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From: Ben Tebulin <tebulin@googlemail.com>
To: linux-kernel@vger.kernel.org
Subject: Reproducible git-fsck/SHA1 failures since 3.7.x on a Dell E6430 / i5-3340M
Date: Fri, 09 Aug 2013 16:58:10 +0200	[thread overview]
Message-ID: <52050382.9060802@gmail.com> (raw)

Hello Kernel list!

On two machines a very specific repository the SHA1 implementation of
git-fsck and git-show fails in 9/10 cases for a specific 39MB blob.

This only occurs on vanilla Linux kernels 3.7.10, 3.8.0 (Ubuntu),
3.9.11, 3.10.5 _but not on_ 3.6.11 and 3.5.7

For details please refer to the thread starting at:
 http://article.gmane.org/gmane.comp.version-control.git/231872


Never had any other hardware/stability issues _at all_ with these
machines. Only one repo out of 112 is affected. It's a git-svn clone and
even recreated copies out of svn do trigger the same failure.

Git mailing list ran out of ideas and for me this looks like some very
rare kernel issue. I'm not a kernel hacker. And to raise the challenge:
I can't share the repo easily, either.

Any hints how to tackle this issue?

Thanks!
- Ben


I'm not subscribed. Can you please CC me on replies?

             reply	other threads:[~2013-08-09 14:58 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-09 14:58 Ben Tebulin [this message]
2013-08-12  8:04 ` Reproducible data corruption since 3.7.x on i5-3340M machines Ben Tebulin
     [not found] ` <520BB225.8030807@gmail.com>
2013-08-14 17:40   ` [Bug] Reproducible data corruption on i5-3340M: Please revert 53a59fc67! Michal Hocko
2013-08-14 17:58     ` Michal Hocko
2013-08-14 18:03     ` Linus Torvalds
2013-08-14 18:28       ` Michal Hocko
2013-08-14 18:35         ` Linus Torvalds
2013-08-15  9:25           ` Ben Tebulin
2013-08-15 12:02             ` Linus Torvalds
2013-08-15 12:37               ` Ben Tebulin
2013-08-15 13:40               ` Michal Hocko
2013-08-15 14:46                 ` Michal Hocko
2013-08-15 14:53                   ` Michal Hocko
2013-08-15 15:14                     ` Michal Hocko
2013-08-15 18:00               ` Linus Torvalds
2013-08-15 18:29                 ` Bjørn Mork
2013-08-15 18:42                   ` Linus Torvalds
2013-08-15 23:05                 ` [Bug] Reproducible data corruption on i5-3340M: Please continue your great work! :-) Ben Tebulin
2013-08-16  0:33                   ` Linus Torvalds
2013-08-16  6:22                     ` Stephen Rothwell
2013-08-16  7:55                     ` richard -rw- weinberger
2013-08-16 11:00                     ` Michal Hocko
2013-08-16 11:28                       ` Peter Zijlstra
2013-08-16 23:40                     ` Tony Luck

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