From: Stefan Metzmacher <[email protected]>
To: Anoop C S <[email protected]>, Jeremy Allison <[email protected]>
Cc: Samba Technical <[email protected]>,
io-uring <[email protected]>, Jens Axboe <[email protected]>
Subject: Re: Data Corruption bug with Samba's vfs_iouring and Linux 5.6.7/5.7rc3
Date: Wed, 6 May 2020 12:33:59 +0200 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
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Hi Anoop,
> I could reproduce the difference in SHA256 checksum after copying a
> directory with 100 copies of test file(provided by reporter) from
> io_uring VFS module enabled share using Windows explorer(right-click-
>> copy/paste). Only 5 out of 100 files had correct checksum after copy
> operation :-/
Great! Can you please try to collect level 1 log files with
the patch https://bugzilla.samba.org/attachment.cgi?id=15955
applied?
If you use files with only 0xff please also use the
"io_uring:check_ff=yes" option.
Maybe the problem is really triggered by short reads...
Thanks!
metze
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next prev parent reply other threads:[~2020-05-06 10:34 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-05 10:04 Data Corruption bug with Samba's vfs_iouring and Linux 5.6.7/5.7rc3 Stefan Metzmacher
2020-05-05 14:41 ` Jens Axboe
2020-05-05 15:44 ` Jens Axboe
2020-05-05 16:53 ` Jens Axboe
2020-05-05 17:39 ` Jens Axboe
2020-05-05 17:48 ` Jeremy Allison
2020-05-05 17:50 ` Jens Axboe
[not found] ` <[email protected]>
2020-05-06 10:33 ` Stefan Metzmacher [this message]
2020-05-06 10:41 ` Stefan Metzmacher
[not found] ` <[email protected]>
2020-05-06 14:08 ` Stefan Metzmacher
2020-05-06 14:43 ` Andreas Schneider
2020-05-06 14:46 ` Andreas Schneider
2020-05-06 15:06 ` Stefan Metzmacher
2020-05-06 17:03 ` Jeremy Allison
2020-05-06 17:13 ` Jeremy Allison
2020-05-06 18:01 ` Jeremy Allison
2020-05-05 20:19 ` Stefan Metzmacher
2020-05-06 12:55 ` Pavel Begunkov
2020-05-06 15:20 ` Stefan Metzmacher
2020-05-06 15:42 ` Pavel Begunkov
2020-05-07 16:43 ` Jens Axboe
2020-05-07 16:48 ` Jeremy Allison
2020-05-07 16:50 ` Jens Axboe
2020-05-07 18:31 ` Jeremy Allison
2020-05-07 18:35 ` Jens Axboe
2020-05-07 18:55 ` Jeremy Allison
2020-05-07 18:58 ` Jens Axboe
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