linux-kernel - Re: Linux 3.7-rc8

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Date:	Mon, 3 Dec 2012 14:32:42 -0800
From:	Tony Luck <tony.luck@...el.com>
To:	Romain Francoise <romain@...bokech.com>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Linux 3.7-rc8

On Mon, Dec 3, 2012 at 2:29 PM, Tony Luck <tony.luck@...el.com> wrote:
>
>
>
> On Mon, Dec 3, 2012 at 2:20 PM, Romain Francoise <romain@...bokech.com>
> wrote:
>>
>> Hi Linus,
>>
>> Linus Torvalds <torvalds@...ux-foundation.org> writes:
>>
>> > Linus Torvalds (5):
>> >       fs/buffer.c: make block-size be per-page and protected by the
>> > page lock
>> >       blockdev: remove bd_block_size_semaphore again
>> >       direct-io: don't read inode->i_blkbits multiple times
>> >       blkdev_max_block: make private to fs/buffer.c
>>
>> Could these changes be the reason for the following suddenly appearing in
>> one of my VMs with rc8 (no such messages with rc7)? Pretty standard
>> virtio
>> setup in KVM.
>>
>> [   11.832295] attempt to access beyond end of device
>> [   11.832298] vda1: rw=0, want=4192904, limit=4192902
>> [   11.832299] Buffer I/O error on device vda1, logical block 524112
>> [   11.832394] attempt to access beyond end of device
>> [   11.832395] vda1: rw=0, want=4192904, limit=4192902
>> [   11.832396] Buffer I/O error on device vda1, logical block 524112
>>
> I'm seeing similar stuff in -rc8 too (on ia64, native no VMM):
>
>
> attempt to access beyond end of device
> sda3: rw=0, want=268317424, limit=268317421
> Buffer I/O error on device sda3, logical block 33539677
>
> attempt to access beyond end of device
> sda3: rw=0, want=268317424, limit=268317421
> Buffer I/O error on device sda3, logical block 33539677
>
> -rc7 didn't do this.
>
> -Tony

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