http://www.openembedded.org/index.php?title=Dealing_with_checksum_mismatch&feed=atom&action=historyDealing with checksum mismatch - Revision history2024-03-29T11:47:10ZRevision history for this page on the wikiMediaWiki 1.29.0http://www.openembedded.org/index.php?title=Dealing_with_checksum_mismatch&diff=5581&oldid=prevPaulEggleton at 12:05, 18 February 20132013-02-18T12:05:11Z<p></p>
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<td colspan='2' style="background-color: white; color:black; text-align: center;">← Older revision</td>
<td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 12:05, 18 February 2013</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >Line 1:</td>
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<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>It happens that incorrect checksums are being committed or that upstream changes tarballs without changing the filename.  In both cases, OE will bail out and complain about a mismatch in checksums. This is a potentially serious issue and it is important to resolve the situation with care.</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>It happens <ins class="diffchange diffchange-inline">occasionally </ins>that incorrect <ins class="diffchange diffchange-inline">SRC_URI </ins>checksums are being committed or that upstream changes tarballs without changing the filename.  In both cases, OE will bail out and complain about a mismatch in checksums. This is a potentially serious issue and it is important to resolve the situation with care.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>Firstly, try a bitbake xxxx -c cleanall and try re-fetching the download to ensure this wasn't just a bad download. If it continues to fail, post on the mailing list for the layer concerned and ask whether others are seeing the issue. It can also be worth downloading the file externally from bitbake/OE to confirm its not a fetcher issue.</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>Firstly, try a bitbake xxxx -c cleanall and try re-fetching the download to ensure this wasn't just a bad download. If it continues to fail, post on the mailing list for the layer concerned and ask whether others are seeing the issue. It can also be worth downloading the file externally from bitbake/OE to confirm its not a fetcher issue.</div></td></tr>
</table>PaulEggletonhttp://www.openembedded.org/index.php?title=Dealing_with_checksum_mismatch&diff=5579&oldid=prevPaulEggleton: Fix typos; add reinforcing message at the end about just changing the value2013-02-18T12:04:40Z<p>Fix typos; add reinforcing message at the end about just changing the value</p>
<table class="diff diff-contentalign-left" data-mw="interface">
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<td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 12:04, 18 February 2013</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >Line 1:</td>
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<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>It happens that incorrect checksums are being committed or that upstream changes tarballs without changing the filename.  In both cases, OE will bail out and complain about a mismatch in checksums. This is a <del class="diffchange diffchange-inline">potentialy </del>serious issue and it is important to resolve the <del class="diffchange diffchange-inline">siutation </del>with care.</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>It happens that incorrect checksums are being committed or that upstream changes tarballs without changing the filename.  In both cases, OE will bail out and complain about a mismatch in checksums. This is a <ins class="diffchange diffchange-inline">potentially </ins>serious issue and it is important to resolve the <ins class="diffchange diffchange-inline">situation </ins>with care.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Firstly, try a bitbake xxxx -c cleanall and try <del class="diffchange diffchange-inline">refetching </del>the download to ensure this wasn't just a bad download. If it continues to fail, post on the mailing list for the layer concerned and ask whether others are seeing the issue. It can also be worth downloading the file externally from bitbake/OE to confirm its not a fetcher issue.</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Firstly, try a bitbake xxxx -c cleanall and try <ins class="diffchange diffchange-inline">re-fetching </ins>the download to ensure this wasn't just a bad download. If it continues to fail, post on the mailing list for the layer concerned and ask whether others are seeing the issue. It can also be worth downloading the file externally from bitbake/OE to confirm its not a fetcher issue.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>If there is some mirror with a bad file on it, that file can be removed and a request needs to be made to the maintainer of the mirror server. <del class="diffchange diffchange-inline"> </del>If the original commit was made with an incorrect checksum, this can also generally easily be <del class="diffchange diffchange-inline">indetified </del>and corrected.</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>If there is some mirror with a bad file on it, that file can be removed and a request needs to be made to the maintainer of the mirror server. If the original commit was made with an incorrect checksum, this can also generally easily be <ins class="diffchange diffchange-inline">identified </ins>and corrected.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>If upstream itself has changed the tarball, this is a much more problematic situation and we need to understand why this has happened, what the change is and then made a decision on how to <del class="diffchange diffchange-inline">proceeed</del>.</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>If upstream itself has changed the tarball, this is a much more problematic situation and we need to understand why this has happened, what the change is and then made a decision on how to <ins class="diffchange diffchange-inline">proceed.</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">Above all, the most important thing is '''not''' to just blindly change the checksum to the current matching value without understanding why the change has occurred - if you do you could then be using source code which has been tampered with as part of your build</ins>.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>[[Category:Policy]]</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>[[Category:Policy]]</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>[[Category:FAQ]]</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>[[Category:FAQ]]</div></td></tr>
</table>PaulEggletonhttp://www.openembedded.org/index.php?title=Dealing_with_checksum_mismatch&diff=5143&oldid=prevRpurdie at 10:49, 7 November 20122012-11-07T10:49:31Z<p></p>
<table class="diff diff-contentalign-left" data-mw="interface">
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<td colspan='2' style="background-color: white; color:black; text-align: center;">← Older revision</td>
<td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 10:49, 7 November 2012</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >Line 1:</td>
<td colspan="2" class="diff-lineno">Line 1:</td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline">{{Outdated}}</del></div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">It happens that incorrect checksums are being committed or that upstream changes tarballs without changing the filename.  In both cases, OE will bail out and complain about a mismatch in checksums. This is a potentialy serious issue and it is important to resolve the siutation with care.</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline">It happens that incorrect checksums are being committed or that upstream changes tarballs without changing </del>the <del class="diffchange diffchange-inline">filename</del>. <del class="diffchange diffchange-inline"> In both cases</del>, <del class="diffchange diffchange-inline">OE will bail out </del>and <del class="diffchange diffchange-inline">complain about a mismatch in checksums (unless OE_ALLOW_INSECURE_DOWNLOADS is enabled)</del>. <del class="diffchange diffchange-inline"> Here are </del>the <del class="diffchange diffchange-inline">steps </del>a <del class="diffchange diffchange-inline">developer should take to resolve the </del>issue <del class="diffchange diffchange-inline">safely</del>.</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">Firstly, try a bitbake xxxx -c cleanall and try refetching </ins>the <ins class="diffchange diffchange-inline">download to ensure this wasn't just a bad download</ins>. <ins class="diffchange diffchange-inline">If it continues to fail</ins>, <ins class="diffchange diffchange-inline">post on the mailing list for the layer concerned </ins>and <ins class="diffchange diffchange-inline">ask whether others are seeing the issue</ins>. <ins class="diffchange diffchange-inline">It can also be worth downloading </ins>the <ins class="diffchange diffchange-inline">file externally from bitbake/OE to confirm its not </ins>a <ins class="diffchange diffchange-inline">fetcher </ins>issue.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline">* Look through "''mtn --diffs --no-merges log conf/checksums.ini| less''" </del>and <del class="diffchange diffchange-inline">find </del>the <del class="diffchange diffchange-inline">person who committed </del>the <del class="diffchange diffchange-inline">current md5sum.</del></div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">If there is some mirror with a bad file on it, that file can be removed </ins>and <ins class="diffchange diffchange-inline">a request needs to be made to </ins>the <ins class="diffchange diffchange-inline">maintainer of </ins>the <ins class="diffchange diffchange-inline">mirror server</ins>.  <ins class="diffchange diffchange-inline">If </ins>the original <ins class="diffchange diffchange-inline">commit was made with an incorrect </ins>checksum<ins class="diffchange diffchange-inline">, this can also generally easily be indetified and corrected</ins>.</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline">* Contact them and ask them to md5sum their copy again</del>.  <del class="diffchange diffchange-inline">Compare results if they still have the '''original''' tar file against which </del>the original checksum <del class="diffchange diffchange-inline">was generated</del>.</div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline">Then we have three possible scenarios.  </del></div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">If upstream itself has changed </ins>the <ins class="diffchange diffchange-inline">tarball</ins>, this <ins class="diffchange diffchange-inline">is a much more problematic situation </ins>and we need to <ins class="diffchange diffchange-inline">understand why this has happened, what </ins>the <ins class="diffchange diffchange-inline">change </ins>is <ins class="diffchange diffchange-inline">and then made a decision on how to proceeed</ins>.</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div> </div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline"># </del>the <del class="diffchange diffchange-inline">original committer does not have the original file anymore or is unsure about its integrity.  In that case, please write to openembedded-devel@lists.linuxtogo.org.  Don't do anything further.</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline"># the original committer generates the same md5sum as you</del>, <del class="diffchange diffchange-inline">indicating an error in the original commit.  In </del>this <del class="diffchange diffchange-inline">case we can safely commit the update.  Indicate in your commit message that yours </del>and <del class="diffchange diffchange-inline">the other person's md5sum matched</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline"># the numbers don't match. Then </del>we need to <del class="diffchange diffchange-inline">consult upstream and ask if they changed </del>the <del class="diffchange diffchange-inline">tarball. Sadly this </del>is <del class="diffchange diffchange-inline">something that commonly happens.  After confirmation from upstream we can update checksums.ini</del>.</div></td><td colspan="2"> </td></tr>
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<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>[[Category:FAQ]]</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>[[Category:FAQ]]</div></td></tr>
</table>Rpurdiehttp://www.openembedded.org/index.php?title=Dealing_with_checksum_mismatch&diff=4997&oldid=prevPaulEggleton at 16:28, 3 November 20122012-11-03T16:28:30Z<p></p>
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<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>It happens that incorrect checksums are being committed or that upstream changes tarballs without changing the filename.  In both cases, OE will bail out and complain about a mismatch in checksums (unless OE_ALLOW_INSECURE_DOWNLOADS is enabled).  Here are the steps a developer should take to resolve the issue safely.</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>It happens that incorrect checksums are being committed or that upstream changes tarballs without changing the filename.  In both cases, OE will bail out and complain about a mismatch in checksums (unless OE_ALLOW_INSECURE_DOWNLOADS is enabled).  Here are the steps a developer should take to resolve the issue safely.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
</table>PaulEggletonhttp://www.openembedded.org/index.php?title=Dealing_with_checksum_mismatch&diff=3428&oldid=prevEric: Undo revision 3298 by Yjytalamago (Talk)2010-11-24T07:47:57Z<p>Undo revision 3298 by <a href="/wiki/Special:Contributions/Yjytalamago" title="Special:Contributions/Yjytalamago">Yjytalamago</a> (<a href="/index.php?title=User_talk:Yjytalamago&action=edit&redlink=1" class="new" title="User talk:Yjytalamago (page does not exist)">Talk</a>)</p>
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<td colspan='1' style="background-color: white; color:black; text-align: center;">Revision as of 07:47, 24 November 2010</td>
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</td></tr></table>Erichttp://www.openembedded.org/index.php?title=Dealing_with_checksum_mismatch&diff=1572&oldid=prev91.59.25.60 at 14:42, 14 August 20092009-08-14T14:42:17Z<p></p>
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<td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 14:42, 14 August 2009</td>
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<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>It happens that incorrect checksums are being committed or that upstream changes tarballs without changing the filename.  In both cases, OE will bail out and complain about a mismatch in checksums.  Here are the steps a developer should take to resolve the issue safely.</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>It happens that incorrect checksums are being committed or that upstream changes tarballs without changing the filename.  In both cases, OE will bail out and complain about a mismatch in checksums <ins class="diffchange diffchange-inline">(unless OE_ALLOW_INSECURE_DOWNLOADS is enabled)</ins>.  Here are the steps a developer should take to resolve the issue safely.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* Look through "''mtn --diffs --no-merges log conf/checksums.ini| less''" and find the person who committed the current md5sum.</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* Look through "''mtn --diffs --no-merges log conf/checksums.ini| less''" and find the person who committed the current md5sum.</div></td></tr>
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</table>91.59.25.60http://www.openembedded.org/index.php?title=Dealing_with_checksum_mismatch&diff=724&oldid=prevThebohemian: Update checksums.ini moved to Dealing with checksum mismatch: Content was not in line with title.2008-10-17T12:04:35Z<p><a href="/wiki/Update_checksums.ini" class="mw-redirect" title="Update checksums.ini">Update checksums.ini</a> moved to <a href="/wiki/Dealing_with_checksum_mismatch" title="Dealing with checksum mismatch">Dealing with checksum mismatch</a>: Content was not in line with title.</p>
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</td></tr></table>Thebohemianhttp://www.openembedded.org/index.php?title=Dealing_with_checksum_mismatch&diff=28&oldid=prevLaibsch at 17:10, 4 June 20082008-06-04T17:10:02Z<p></p>
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<td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 17:10, 4 June 2008</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># the original committer generates the same md5sum as you, indicating an error in the original commit.  In this case we can safely commit the update.  Indicate in your commit message that yours and the other person's md5sum matched</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># the original committer generates the same md5sum as you, indicating an error in the original commit.  In this case we can safely commit the update.  Indicate in your commit message that yours and the other person's md5sum matched</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># the numbers don't match. Then we need to consult upstream and ask if they changed the tarball. Sadly this is something that commonly happens.  After confirmation from upstream we can update checksums.ini.</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># the numbers don't match. Then we need to consult upstream and ask if they changed the tarball. Sadly this is something that commonly happens.  After confirmation from upstream we can update checksums.ini.</div></td></tr>
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</table>Laibschhttp://www.openembedded.org/index.php?title=Dealing_with_checksum_mismatch&diff=27&oldid=prevLaibsch: New page: It happens that incorrect checksums are being committed or that upstream changes tarballs without changing the filename. In both cases, OE will bail out and complain about a mismatch in c...2008-06-04T17:09:38Z<p>New page: It happens that incorrect checksums are being committed or that upstream changes tarballs without changing the filename. In both cases, OE will bail out and complain about a mismatch in c...</p>
<p><b>New page</b></p><div>It happens that incorrect checksums are being committed or that upstream changes tarballs without changing the filename. In both cases, OE will bail out and complain about a mismatch in checksums. Here are the steps a developer should take to resolve the issue safely.<br />
<br />
* Look through "''mtn --diffs --no-merges log conf/checksums.ini| less''" and find the person who committed the current md5sum.<br />
* Contact them and ask them to md5sum their copy again. Compare results if they still have the '''original''' tar file against which the original checksum was generated.<br />
<br />
Then we have three possible scenarios. <br />
<br />
# the original committer does not have the original file anymore or is unsure about its integrity. In that case, please write to openembedded-devel@lists.linuxtogo.org. Don't do anything further.<br />
# the original committer generates the same md5sum as you, indicating an error in the original commit. In this case we can safely commit the update. Indicate in your commit message that yours and the other person's md5sum matched<br />
# the numbers don't match. Then we need to consult upstream and ask if they changed the tarball. Sadly this is something that commonly happens. After confirmation from upstream we can update checksums.ini.</div>Laibsch