Re: [Qemu-devel] Ubuntu/Debian Installer + Virtio-SCSI -> Bad ram pointer

[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.