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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-07-03 19:39:53 +0200 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-07-03 19:39:53 +0200 |
| commit | dee4dcba78baf712cab403d47d9db319ab7f95d6 (patch) | |
| tree | 418478faf06786701a56268672f73d6b0b4eb239 /results/classifier/deepseek-2/output/hypervisor/1003 | |
| parent | 4d9e26c0333abd39bdbd039dcdb30ed429c475ba (diff) | |
| download | emulator-bug-study-dee4dcba78baf712cab403d47d9db319ab7f95d6.tar.gz emulator-bug-study-dee4dcba78baf712cab403d47d9db319ab7f95d6.zip | |
restructure results
Diffstat (limited to 'results/classifier/deepseek-2/output/hypervisor/1003')
| -rw-r--r-- | results/classifier/deepseek-2/output/hypervisor/1003 | 22 |
1 files changed, 0 insertions, 22 deletions
diff --git a/results/classifier/deepseek-2/output/hypervisor/1003 b/results/classifier/deepseek-2/output/hypervisor/1003 deleted file mode 100644 index 8e76c562..00000000 --- a/results/classifier/deepseek-2/output/hypervisor/1003 +++ /dev/null @@ -1,22 +0,0 @@ - -"Cannot allocate memory" when boots a VM > 1026GB memory with -accel kvm -Description of problem: -I can boot an empty VM using command `qemu-system-x86_64 -m 1026G -accel kvm -vnc :1` or `qemu-system-x86_64 -m 8T -vnc :1` - -But when I use `qemu-system-x86_64 -m 1027G -accel kvm -vnc :1`, it will not boot: - -``` -root@debian11:~# qemu-system-x86_64 -m 1027G -accel kvm -vnc :1 -qemu-system-x86_64: kvm_set_user_memory_region: KVM_SET_USER_MEMORY_REGION failed, slot=1, start=0x100000000, size=0x10000000000: Cannot allocate memory -kvm_set_phys_mem: error registering slot: Cannot allocate memory -Aborted -``` - -Which means, with `-accel kvm`, it only can boot a VM which memory <= 1026G, but without these args, it can boot whatever you want. -Steps to reproduce: -1. sysctl vm.overcommit_memory=1 # enable overcommit first -2. qemu-system-x86_64 -m 1027G -accel kvm -vnc :1 -Additional information: -The qemu I use is compiled from the latest source, not the package provided by debian. - -Hardware is `PowerEdge R630` with `E5-2630 v4` * 2, 128G physical RAM. |