[oe-commits] [openembedded-core] 15/22: oeqa/core/target/ssh.py: increase maximum read bytes from 1024 to 4096

[git at git.openembedded.org]

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rpurdie pushed a commit to branch master
in repository openembedded-core.

commit f1fad60ae3be4450aca6058d5665fb10a9148b44
Author: Chen Qi <Qi.Chen at windriver.com>
AuthorDate: Fri Jun 1 13:03:11 2018 +0800

    oeqa/core/target/ssh.py: increase maximum read bytes from 1024 to 4096
    
    When running testimage task for core-image-sato-sdk, the following
    error appeared.
    
      UnicodeDecodeError: 'utf-8' codec can't decode byte 0x82 at position 0: invalid start byte
    
    Checking the codes, I found it's caused by setting a 1024 limit for the
    read method of the StreamReader object.
    
    Comments from the manual:
    """
    The chars argument indicates the number of decoded code points or bytes to
    return. The read() method will never return more data than requested, but
    it might return less, if there is not enough available.
    """
    
    When running `systemctl status --full' on target, this error occurs.
    
    This patch increase the bytes limit to 4096 to fix the error.
    
    Signed-off-by: Chen Qi <Qi.Chen at windriver.com>
    Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
 meta/lib/oeqa/core/target/ssh.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/meta/lib/oeqa/core/target/ssh.py b/meta/lib/oeqa/core/target/ssh.py
index 151b99a..8ff1f6c 100644
--- a/meta/lib/oeqa/core/target/ssh.py
+++ b/meta/lib/oeqa/core/target/ssh.py
@@ -208,7 +208,7 @@ def SSHCall(command, logger, timeout=None, **opts):
                 try:
                     if select.select([process.stdout], [], [], 5)[0] != []:
                         reader = codecs.getreader('utf-8')(process.stdout)
-                        data = reader.read(1024, 1024)
+                        data = reader.read(1024, 4096)
                         if not data:
                             process.stdout.close()
                             eof = True

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