Re: gunzip | tar reports broken pipe during OOO build on amd64.

On Tue, May 05, 2009 at 10:59:01PM +0400, Eygene Ryabinkin wrote:
> Alexey, good day.
> 
> Tue, May 05, 2009 at 07:48:31PM +0200, Alexey Shuvaev wrote:
> > The reason appeared to be the first part of the command
> > "gunzip -c ... | ( tar -xf - ) &&  touch ..."
> > which exited with non-zero exit status (141) and "touch ..." was not called.
> > Running the command manually has showed that gunzip was complaining about
> > broken pipe (however the archive was extracted successfully).
> 
> Yes, 141 means that SIGPIPE was delivered.  This in turn means that
> 'tar -xf -' exited before gunzip had finished its job and gunzip had
> tried to write more data to the pipe.
> 
> Could I ask to do some debugging:
> 
> 1. run 'gunzip -c  ooo_crystal_images-1.tar.gz > crystal.tar'
>
Ok so far.

> 2. run 'cat crystal.tar | (tar -xf -) && echo OK' and look for the results.
>
Ok:
~/tmp> cat crystal.tar | ( tar -xf - ) && echo OK
OK

> 3. do 'md5 ooo_crystal_images-1.tar.gz'
> 
~/tmp> md5 crystal.tar 
MD5 (crystal.tar) = f9d09511003da0f59d943311a678b94a

> For the last point, I have
> -----
> MD5 (ooo_crystal_images-1.tar.gz) = ff0d576d4b0e71c268b1516095a3d085
> -----
> but this tar.gz was taken from OOO 3.x.  If yours have some other
> checksum, could you place it somewhere where I can download it?
> 
Mmmm... not so easy... German universities are not so internet friendly...
fsck...
But it was taken from official openoffice.org2/OOo_OOH680_m18_source.tar.bz2
tarball...
Ping me if it is download error.

> My .tar.gz unpacks without any errors, but my -CURRENT is from 3rd of May.
> 
> Thanks!
>
I'm running amd64 Core2Duo processor with SMP kernel. Can it be that
2 processes (gunzip and tar) are running on different cpu-s and this is
some race condition? Not triggered before?
> -- 
> Eygene
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