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Diffstat (limited to 'results/classifier/deepseek-r1:14b/output/hypervisor/1008')
| -rw-r--r-- | results/classifier/deepseek-r1:14b/output/hypervisor/1008 | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/results/classifier/deepseek-r1:14b/output/hypervisor/1008 b/results/classifier/deepseek-r1:14b/output/hypervisor/1008 new file mode 100644 index 000000000..18d4e83ec --- /dev/null +++ b/results/classifier/deepseek-r1:14b/output/hypervisor/1008 @@ -0,0 +1,21 @@ + +nested virtualisation with old host kernel, qemu 7.0.0 broken +Description of problem: +``` +$ qemu-system-x86_64 -enable-kvm -nographic +qemu-system-x86_64: error: failed to set MSR 0xc0000104 to 0x100000000 +qemu-system-x86_64: ../target/i386/kvm/kvm.c:2996: kvm_buf_set_msrs: Assertion `ret == cpu->kvm_msr_buf->nmsrs' failed. +Aborted (core dumped) + +$ +``` +Steps to reproduce: +1. (hardware) Host 1 running kernel 5.10 with nested kvm enabled +2. (virtual) Host 2, with qemu 7.0.0 installed +3. In the inner/virtual host, run: `qemu-system-x86 -enable-kvm -nographic` +Additional information: +It is fixed by using either a more up-to-date kernel version on the hardware/outer host (5.17.x for example), or by reverting to qemu 6.2.0 in the virtual/inner host. + +I have also reproduced this with latest qemu master, commit 731340813fdb4cb8339edb8630e3f923b7d987ec. + +**Reverting commit 3e4546d5bd38a1e98d4bd2de48631abf0398a3a2 also fixes the issue.** |