Re: [Qemu-devel] [Qemu-ppc] [PATCH 00/28] target-ppc: Altivec 2.07

[Alexander Graf]

On 20.02.2014, at 13:34, Richard W.M. Jones <address@hidden> wrote:

> On Thu, Feb 20, 2014 at 10:23:42AM +0000, Richard W.M. Jones wrote:
>> I am now running a full libguestfs test which will take several hours,
>> but it looks as if -- even if this test fails -- it won't be because
>> of lack of emulation / missing instructions in qemu.
> 
> The tests ran.  I hit two bugs, but neither seems to be related to
> qemu emulation.  Please push these patches into upstream qemu :-)

They will get into 2.0, no worries :).

> One bug is in btrfs and is related to page size being different (and
> much larger) on ppc64.

I remember bugs (oopses) with btrfs when you use a 4k page size created fs and 
use it on a 64k page size kernel and vice versa. They still haven't fixed that?

> The second bug is kind of interesting.  If you add ~ 256 disks (using
> virtio-scsi), then it looks as if the firmware crashes.  The total
> console output is below.  It looks as if "c >" is some kind of prompt.
> qemu spins using 100% of CPU after this.

How much RAM do you pass into the guest? Could you please try to increase that 
size to see whether it makes a difference? If it doesn't, Aneesh is your man :)


Alex