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Re: [Qemu-devel] Sparc guest - SCSI
From: |
Aurelien Jarno |
Subject: |
Re: [Qemu-devel] Sparc guest - SCSI |
Date: |
Fri, 03 Aug 2007 13:52:27 +0200 |
User-agent: |
IceDove 1.5.0.10 (X11/20070329) |
Andreas Färber a écrit :
> Am 03.08.2007 um 10:45 schrieb Nigel Horne:
>
>> Guest: Linux/sparc
>> Host: Linux/x86
>>
>>> From time to time I am getting SCSI errors from the guest using the
>> latest CVS:
>>
>> scsi : aborting command due to timeout : pid 50803, scsi0, channel
>> 0, id 0, lun 0 0x2a 00 00 3d be 84 00 00 08 00 esp0: Aborting command
>> esp0: dumping state
>> esp0: dma -- cond_reg<a4000211> addr<f292b000>
>> esp0: SW [sreg<00> sstep<04> ireg<18>]
>> esp0: HW reread [sreg<03> sstep<00> ireg<10>]
>> esp0: current command [tgt<00> lun<00> pphase<DATAOUT>
>> cphase<DATAOUT>]
>> esp0: disconnected SCSI host 0 abort (pid 50803) timed out - resetting
>> SCSI bus is being reset for host 0 channel 0.
>> esp0: Resetting scsi bus
>> esp0: SCSI bus reset interrupt
>>
>> As far as I can tell the guest recovers fine, but it may be worth
>> investigating.
>
> I reported similar errors recently (OS X ppc host) - for me it panics
> afterwards and does not recover fine. I got the impression that it
> happens later if I disable the lance NIC.
>
The problem appears when one interrupt on the SCSI controller is
triggered twice by the interrupt controller, the second interrupt
disturb the driver.
I have fixed one problem like that a few months ago in the CVS, so it
happens less often, but there is still a problem somewhere.
--
.''`. Aurelien Jarno | GPG: 1024D/F1BCDB73
: :' : Debian developer | Electrical Engineer
`. `' address@hidden | address@hidden
`- people.debian.org/~aurel32 | www.aurel32.net
- [Qemu-devel] Sparc guest - SCSI, Nigel Horne, 2007/08/03
- Re: [Qemu-devel] Sparc guest - SCSI,
Aurelien Jarno <=
- Re: [Qemu-devel] Sparc guest - SCSI, Andreas Färber, 2007/08/03
- Re: [Qemu-devel] Sparc guest - SCSI, Aurelien Jarno, 2007/08/03
- Re: [Qemu-devel] Sparc guest - SCSI, Andreas Färber, 2007/08/03
- Re: [Qemu-devel] Sparc guest - SCSI, Aurelien Jarno, 2007/08/03
- Re: [Qemu-devel] Sparc guest - SCSI, Andreas Färber, 2007/08/03
- Re: [Qemu-devel] Sparc guest - SCSI, Blue Swirl, 2007/08/03
- Re: [Qemu-devel] Sparc guest - SCSI, Blue Swirl, 2007/08/04