From: Alexander Wetzel <alexander.wetzel@web.de>
To: Christian Kujau <lists@nerdbynature.de>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: btrfs filesystem corruptions with 4.18. git kernels
Date: Sat, 21 Jul 2018 08:07:03 +0200 [thread overview]
Message-ID: <c17458b7-d725-effb-01b6-7244d8b8ed00@web.de> (raw)
In-Reply-To: <alpine.DEB.2.21.999.1807201548500.2131@trent.utfs.org>
>> [ 979.223808] BTRFS: error (device sdc2) in __btrfs_cow_block:1080: errno=-5
>> IO failure
>
> Are there no other messages in syslog? "IO failure" (from
> fs/btrfs/super.c:75) sounds like a problem with the underlying device.
> Maybe try w/o the "discard" mount option? Does "cat /dev/sdc2 > /dev/null"
> complete w/o errors?
The messages prior to that were a few 100 seconds older and unrelated, I
think it was something from usb.
The dump from Ubuntu worked without any error messages. The device also
was still accessible, only RO. I could power down the system normal.
Alexander
next prev parent reply other threads:[~2018-07-21 9:26 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-20 21:28 btrfs filesystem corruptions with 4.18. git kernels Alexander Wetzel
2018-07-20 22:53 ` Christian Kujau
2018-07-21 6:07 ` Alexander Wetzel [this message]
2018-07-20 23:12 ` Hugo Mills
2018-07-21 6:16 ` Alexander Wetzel
2018-07-21 1:22 ` Qu Wenruo
2018-07-21 6:39 ` Alexander Wetzel
2018-07-22 1:21 ` Qu Wenruo
2018-07-22 6:07 ` Alexander Wetzel
2018-07-21 6:13 ` Duncan
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