[oe] Race issues (lzma-native)

[Andrea Adami]

Just to add this time the race appears building on Ubuntu 10.4 32bit.
Last race-case (gtk+-native) was only on Gentoo and not on Ubuntu...

Both distros are on the same Quad host and share  an EXT3 OpenEmbedded
partition, though.

PARALLEL_MAKE = "-j5"
BB_NUMBER_THREADS = "4"


Perplexed...

Andrea

On Mon, Oct 25, 2010 at 5:59 AM, Graham Gower <graham.gower at gmail.com> wrote:
> On 10/24/2010 07:29 PM, Andrea Adami wrote:
>> Hello,
>>
>> during first build of console image I notice a strange fault:
>> subsequent builds are ok.
>> My scripts builds console-image and opie-image.
>>
>> ERROR: Task 2411
>> (virtual:native:/oe/openembedded/recipes/lzma/lzma_4.65.bb,
>> do_distribute_sources) failed with exit code '1'
>> NOTE: Unpacking ../sources/lzma465.tar.bz2 to
>> tmp/work/i686-linux/lzma-native-4.65-r4.1/
>> NOTE: package lzma-native-4.65-r4.1: task do_distribute_sources: Started
>> NOTE: package lzma-native-4.65-r4.1: task SRC_DISTRIBUTECOMMAND: Failed
>> ERROR: Function 'SRC_DISTRIBUTECOMMAND' failed
>>
>>
>> Looking at the
>> run.SRC_DISTRIBUTECOMMAND.18268   16384 (failing)
>> run.SRC_DISTRIBUTECOMMAND.9570     34334
>>
>> it looks like the file is not complete / malformed:
>>
>> package_generate_ipkg_conf() {
>> <------>mkdir -p /oe/build/tmp/sysroots/i686-linux/etc/
>> <------>echo "src oe file:/oe/build/tmp/deploy/glibc/ipk" >
>> /oe/build/tmp/sysroots/i686-linux/etc/opkg.conf
>> <------>echo "src oe file:/
>> EOF
>>
>> run.do_distribute_sources.18268  is empty, while second time
>> run.do_distribute_sources.9570   1051 contains  def do_distribute_sources(d):
>>
>> This seems indeed a race issue...
>>
>> Andrea
>>
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>
> I can reproduce this one quite easily. Reverting a6a23f73 seems to make it
> disappear. Alternately the change below works, but I'm not convinced this is
> the right fix.
>
> Can someone with greater insight explain what causes this race?
>
> -Graham
>
>
> diff --git a/classes/src_distribute.bbclass b/classes/src_distribute.bbclass
> index 795a5cf..98d8d88 100644
> --- a/classes/src_distribute.bbclass
> +++ b/classes/src_distribute.bbclass
> @@ -1,7 +1,7 @@
>  SRC_DISTRIBUTE_DLONLY ?= "0"
>  SRC_DISTRIBUTECOMMAND[func] = "1"
>
> -addtask distribute_sources before do_build after do_fetch
> +addtask distribute_sources before do_build after do_unpack
>  python do_distribute_sources () {
>        bb.build.exec_func("do_fetch", d)
>
>
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