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From: mail@ikherbers.com
To: "linux-btrfs@vger.kernel.org" <linux-btrfs@vger.kernel.org>
Subject: Re: btrfs write time tree block corruption
Date: Fri, 15 Apr 2022 16:15:36 +0200	[thread overview]
Message-ID: <Yll+CD/h6YmNX5TR@localhost> (raw)
In-Reply-To: <4daec659-c1d1-b100-89f7-8a2a2e3e1fc5@suse.com>

On 2022-04-15T10:04:01+0300, Nikolay Borisov wrote:
> 
> 
> On 15.04.22 г. 3:59 ч., Maik wrote:
> > Hello,
> > 
> > I just received a corrupt leaf error on my root filesystem:
> > [29854.502499] BTRFS critical (device dm-0): corrupt leaf: root=2 block=579036020736 slot=86, unexpected item end, have 16789244 expect 12028
> 
> This suggests a memory bitflip
> 
> 16789244 = 1000000000010111011111100
> 12028 =    ^          10111011111100
> 
> The good thing is the tree checker caught this before this corruption went
> on disk. I advise you do run memtest.

Thanks for the pointer.
Indeed my RAM was faulty :(, but the filesystem is alright.
Thank you all for this amazing bitflip detector :)!

Maik

      reply	other threads:[~2022-04-15 14:18 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-15  0:59 btrfs write time tree block corruption Maik
2022-04-15  7:04 ` Nikolay Borisov
2022-04-15 14:15   ` mail [this message]

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