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| From: | Janosch Frank |
| Subject: | Re: [PATCH v1 01/14] s390x/s390-virtio-ccw: don't crash on weird RAM sizes |
| Date: | Wed, 11 Sep 2024 13:28:38 +0200 |
| User-agent: | Mozilla Thunderbird |
On 9/10/24 7:57 PM, David Hildenbrand wrote:
KVM is not happy when starting a VM with weird RAM sizes:
# qemu-system-s390x --enable-kvm --nographic -m 1234K
qemu-system-s390x: kvm_set_user_memory_region: KVM_SET_USER_MEMORY_REGION
failed, slot=0, start=0x0, size=0x244000: Invalid argument
kvm_set_phys_mem: error registering slot: Invalid argument
Aborted (core dumped)
Let's handle that in a better way by rejecting such weird RAM sizes
right from the start:
Huh, I always assumed that ram is handled in multiples of 1MB in QEMU. Acked-by: Janosch Frank <frankja@linux.ibm.com>
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