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Re: [Qemu-devel] Ubuntu/Debian Installer + Virtio-SCSI -> Bad ram pointe
From: |
Peter Lieven |
Subject: |
Re: [Qemu-devel] Ubuntu/Debian Installer + Virtio-SCSI -> Bad ram pointer |
Date: |
Thu, 8 Nov 2012 16:26:51 +0100 |
Has anyone any other idea what the cause could be or where to start?
Peter
Am 31.10.2012 um 15:08 schrieb ronnie sahlberg:
> On Tue, Oct 30, 2012 at 10:48 PM, Stefan Hajnoczi <address@hidden> wrote:
>> On Tue, Oct 30, 2012 at 10:09 PM, ronnie sahlberg
>> <address@hidden> wrote:
>>> About half a year there was an issue where recent kernels had added
>>> support to start using new scsi opcodes, but the qemu functions that
>>> determine "which transfer direction is used for this opcode" had not
>>> yet been updated, so that the opcode was sent with the wrong transfer
>>> direction.
>>>
>>> That caused the guests memory to be overwritten and crash.
>>>
>>> I dont have (easy) access to the git tree right now, but it was a
>>> patch for the ATA_PASSTHROUGH command that fixed that.
>>
>> This patch?
>>
>> http://patchwork.ozlabs.org/patch/174946/
>>
>> Stefan
>
> This is the one I was thinking about :
> 381b634c275ca1a2806e97392527bbfc01bcb333
>
> But that also crashed when using local /dev/sg* devices.