On Thu, Aug 16, 2012 at 04:28:07PM +0200, Lukáš Czerner wrote:
>
> After a little bit of tracing with the systemtap and blktrace ext4
> does not seem to be doing anything wrong and yet we get part of the
> block bitmap trimmed. This lead me to the scsi_debug driver itself
> and indeed it seems
On Wed, 15 Aug 2012, Lukáš Czerner wrote:
> Date: Wed, 15 Aug 2012 11:17:57 +0200 (CEST)
> From: Lukáš Czerner
> To: Theodore Ts'o
> Cc: Lukas Czerner , Paolo Bonzini ,
> "Linux Kernel mailinlinux-e...@vger.kernel.orgg List"
> , linux-e...@vger.kernel.org
> Subject: Re: ext4fs error
>
On Wed, 15 Aug 2012, Lukáš Czerner wrote:
Date: Wed, 15 Aug 2012 11:17:57 +0200 (CEST)
From: Lukáš Czerner lczer...@redhat.com
To: Theodore Ts'o ty...@mit.edu
Cc: Lukas Czerner lczer...@redhat.com, Paolo Bonzini pbonz...@redhat.com,
Linux Kernel mailinlinux-e...@vger.kernel.orgg List
On Thu, Aug 16, 2012 at 04:28:07PM +0200, Lukáš Czerner wrote:
After a little bit of tracing with the systemtap and blktrace ext4
does not seem to be doing anything wrong and yet we get part of the
block bitmap trimmed. This lead me to the scsi_debug driver itself
and indeed it seems that we
On Thu, 9 Aug 2012, Theodore Ts'o wrote:
> Date: Thu, 9 Aug 2012 13:06:40 -0400
> From: Theodore Ts'o
> To: Lukas Czerner
> Cc: Paolo Bonzini ,
> "Linux Kernel mailinlinux-e...@vger.kernel.orgg List"
> , linux-e...@vger.kernel.org
> Subject: Re: ext4fs error
>
On Thu, 9 Aug 2012, Theodore Ts'o wrote:
Date: Thu, 9 Aug 2012 13:06:40 -0400
From: Theodore Ts'o ty...@mit.edu
To: Lukas Czerner lczer...@redhat.com
Cc: Paolo Bonzini pbonz...@redhat.com,
Linux Kernel mailinlinux-e...@vger.kernel.orgg List
linux-kernel@vger.kernel.org,
On Thu, Aug 09, 2012 at 12:00:09PM +0200, Paolo Bonzini wrote:
> Here is how to reproduce it. It happens during fstrim. I found other
> occurrences of the error in the mailing list, but they were not related
> to trim so they may be something different.
>
> modprobe scsi_debug dev_size_mb=256
Here is how to reproduce it. It happens during fstrim. I found other
occurrences of the error in the mailing list, but they were not related
to trim so they may be something different.
modprobe scsi_debug dev_size_mb=256 lbpws=1
dd if=/dev/zero of=/dev/sdb bs=1M
fdisk /dev/sdb
>> create
Here is how to reproduce it. It happens during fstrim. I found other
occurrences of the error in the mailing list, but they were not related
to trim so they may be something different.
modprobe scsi_debug dev_size_mb=256 lbpws=1
dd if=/dev/zero of=/dev/sdb bs=1M
fdisk /dev/sdb
create a
On Thu, Aug 09, 2012 at 12:00:09PM +0200, Paolo Bonzini wrote:
Here is how to reproduce it. It happens during fstrim. I found other
occurrences of the error in the mailing list, but they were not related
to trim so they may be something different.
modprobe scsi_debug dev_size_mb=256
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