* Re: [Qemu-devel] qemu-system-arm I/O problems
[not found] ` <CAFEAcA-VFg2aof96m8Ekz_DrHOgWPiWoeST5-_qd423hB3nh=A@mail.gmail.com>
@ 2012-07-02 10:43 ` Peter Maydell
2012-07-02 12:25 ` Paolo Bonzini
0 siblings, 1 reply; 3+ messages in thread
From: Peter Maydell @ 2012-07-02 10:43 UTC (permalink / raw)
To: solar; +Cc: Paolo Bonzini, qemu-devel
On 29 June 2012 14:45, Peter Maydell <peter.maydell@linaro.org> wrote:
> On 25 June 2012 16:47, solar <solar@strawberrycupcak.es> wrote:
>> QEMU emulator version 1.1.0, Copyright (c) 2003-2008 Fabrice Bellard
>>
>> parameters used: qemu-system-arm -M versatilepb -m 256 -net nic -net
>> user,hostfwd=tcp::40022-:22 -nographic -hda debian-6-armel.img -kernel
>> vmlinuz-2.6.32-5-versatile -initrd initrd.img-2.6.32-5-versatile -append
>> "root=/dev/sda1 console=ttyAMA0"
>
>> Once apt starts to do disk I/O the kernel throws numerous SCSI errors:
>> [ 165.292240] sd 0:0:0:0: [sda] Result: hostbyte=DID_OK
>> driverbyte=DRIVER_SENSE
>> [ 165.292653] sd 0:0:0:0: [sda] Sense Key : Aborted Command [current]
>> [ 165.292950] sd 0:0:0:0: [sda] Add. Sense: I/O process terminated
>> [ 165.293197] sd 0:0:0:0: [sda] CDB: Write(10): 2a 00 01 2d fd 40 00 02 a8
>> 00
>> [ 165.293573] end_request: I/O error, dev sda, sector 19791168
>> [ 165.293772] Buffer I/O error on device sda1, logical block 2473640
>> [ 165.293900] lost page write due to I/O error on sda1
>
> I can reproduce this with v1.1.0, but not with master, which suggests
> it has been fixed at some point. I might try to bisect to find out
> what exactly the fix was.
Bisection suggests commit 425b01487 fixed this, although I am not
sure exactly why it would. Paolo?
-- PMM
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [Qemu-devel] qemu-system-arm I/O problems
2012-07-02 10:43 ` [Qemu-devel] qemu-system-arm I/O problems Peter Maydell
@ 2012-07-02 12:25 ` Paolo Bonzini
2012-07-02 13:45 ` Peter Maydell
0 siblings, 1 reply; 3+ messages in thread
From: Paolo Bonzini @ 2012-07-02 12:25 UTC (permalink / raw)
To: Peter Maydell; +Cc: solar, qemu-devel
Il 02/07/2012 12:43, Peter Maydell ha scritto:
>>> >> Once apt starts to do disk I/O the kernel throws numerous SCSI errors:
>>> >> [ 165.292240] sd 0:0:0:0: [sda] Result: hostbyte=DID_OK
>>> >> driverbyte=DRIVER_SENSE
>>> >> [ 165.292653] sd 0:0:0:0: [sda] Sense Key : Aborted Command [current]
>>> >> [ 165.292950] sd 0:0:0:0: [sda] Add. Sense: I/O process terminated
>>> >> [ 165.293197] sd 0:0:0:0: [sda] CDB: Write(10): 2a 00 01 2d fd 40 00 02 a8
>>> >> 00
>>> >> [ 165.293573] end_request: I/O error, dev sda, sector 19791168
>>> >> [ 165.293772] Buffer I/O error on device sda1, logical block 2473640
>>> >> [ 165.293900] lost page write due to I/O error on sda1
>> >
>> > I can reproduce this with v1.1.0, but not with master, which suggests
>> > it has been fixed at some point. I might try to bisect to find out
>> > what exactly the fix was.
> Bisection suggests commit 425b01487 fixed this, although I am not
> sure exactly why it would. Paolo?
This must be a wrong bisection... perhaps another patch in the same series?
Paolo
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [Qemu-devel] qemu-system-arm I/O problems
2012-07-02 12:25 ` Paolo Bonzini
@ 2012-07-02 13:45 ` Peter Maydell
0 siblings, 0 replies; 3+ messages in thread
From: Peter Maydell @ 2012-07-02 13:45 UTC (permalink / raw)
To: Paolo Bonzini; +Cc: solar, qemu-devel
On 2 July 2012 13:25, Paolo Bonzini <pbonzini@redhat.com> wrote:
> Il 02/07/2012 12:43, Peter Maydell ha scritto:
>>> > I can reproduce this with v1.1.0, but not with master, which suggests
>>> > it has been fixed at some point. I might try to bisect to find out
>>> > what exactly the fix was.
>> Bisection suggests commit 425b01487 fixed this, although I am not
>> sure exactly why it would. Paolo?
>
> This must be a wrong bisection...
Hmm, seems to be. I'm not sure I care enough to spend more time
trying to track it down since we've apparently fixed whatever it was...
-- PMM
^ permalink raw reply [flat|nested] 3+ messages in thread
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[not found] ` <CAFEAcA-VFg2aof96m8Ekz_DrHOgWPiWoeST5-_qd423hB3nh=A@mail.gmail.com>
2012-07-02 10:43 ` [Qemu-devel] qemu-system-arm I/O problems Peter Maydell
2012-07-02 12:25 ` Paolo Bonzini
2012-07-02 13:45 ` Peter Maydell
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