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Re: [Qemu-devel] [PatchV3] s390x: fix memory detection for guests > 64GB
From: |
Alexander Graf |
Subject: |
Re: [Qemu-devel] [PatchV3] s390x: fix memory detection for guests > 64GB |
Date: |
Tue, 17 May 2011 15:16:07 +0200 |
On 12.05.2011, at 10:50, Christian Borntraeger wrote:
>> I'd definitely prefer that over the change on vl.c :)
>
> the s390 memory detection has a 16bit field that specifies the amount of
> increments. This patch adopts the memory size to always fit into that
> scheme. This also fixes virtio detection for these guests, since the
> descriptor page is located after the main memory.
How did you test the patch?
address@hidden:/home/agraf/git/qemu> ./s390x-softmmu/qemu-system-s390x
-snapshot -nographic /media/studio/images/SUSE/s390/sles11.raw -kernel
/boot/image -m 3600 -enable-kvm
[works]
address@hidden:/home/agraf/git/qemu> ./s390x-softmmu/qemu-system-s390x
-snapshot -nographic /media/studio/images/SUSE/s390/sles11.raw -kernel
/boot/image -m 3700 -enable-kvm
qemu_madvise: Invalid argument
Need MADV_DONTFORK in absence of synchronous KVM MMU
address@hidden:/home/agraf/git/qemu> ./s390x-softmmu/qemu-system-s390x
-snapshot -nographic /media/studio/images/SUSE/s390/sles11.raw -kernel
/boot/image -m 3700 Segmentation fault
Alex
- [Qemu-devel] s390x: fix memory detection for guests > 64GB, Christian Borntraeger, 2011/05/10
- Re: [Qemu-devel] s390x: fix memory detection for guests > 64GB, Alexander Graf, 2011/05/11
- [Qemu-devel] [PatchV2] s390x: fix memory detection for guests > 64GB, Christian Borntraeger, 2011/05/12
- Re: [Qemu-devel] [PatchV2] s390x: fix memory detection for guests > 64GB, Alexander Graf, 2011/05/12
- Re: [Qemu-devel] [PatchV2] s390x: fix memory detection for guests > 64GB, Christian Borntraeger, 2011/05/12
- Re: [Qemu-devel] [PatchV2] s390x: fix memory detection for guests > 64GB, Alexander Graf, 2011/05/12
- Re: [Qemu-devel] [PatchV3] s390x: fix memory detection for guests > 64GB, Christian Borntraeger, 2011/05/12
- Re: [Qemu-devel] [PatchV3] s390x: fix memory detection for guests > 64GB,
Alexander Graf <=
- Re: [Qemu-devel] [PatchV3] s390x: fix memory detection for guests > 64GB, Alexander Graf, 2011/05/17