Public bug reported: I recently had a 0.12.4 qemu-kvm with a debian lenny guest which occasionally paused.
There was no memory exhaustion as suggested earlier. qemu-kvm send the following output:: VM internal error. Suberror: 1 rax 0000000000000100 rbx ffff880017585bc0 rcx 00007f84c6d5b000 rdx 0000000000000001 rsi 0000000000000000 rdi ffff88001d322dec rsp ffff88001e133e88 rbp ffff88001e133e88 r8 0000000001f25bc2 r9 0000000000000007 r10 00007f84c6b4d97b r11 0000000000000206 r12 ffff88001d322dec r13 ffff88001d322de8 r14 0000000000000001 r15 0000000000000000 rip ffffffff81039719 rflags 00010092 cs 0010 (00000000/ffffffff p 1 dpl 0 db 0 s 1 type b l 1 g 1 avl 0) ds 0000 (00000000/ffffffff p 0 dpl 0 db 0 s 0 type 0 l 0 g 0 avl 0) es 0000 (00000000/ffffffff p 0 dpl 0 db 0 s 0 type 0 l 0 g 0 avl 0) ss 0018 (00000000/ffffffff p 1 dpl 0 db 1 s 1 type 3 l 0 g 1 avl 0) fs 0000 (7f84c6d53700/ffffffff p 0 dpl 0 db 0 s 0 type 0 l 0 g 0 avl 0) gs 0000 (ffff880001d00000/ffffffff p 0 dpl 0 db 0 s 0 type 0 l 0 g 0 avl 0) tr 0040 (ffff880001d13780/00002087 p 1 dpl 0 db 0 s 0 type b l 0 g 0 avl 0) ldt 0000 (00000000/ffffffff p 0 dpl 0 db 0 s 0 type 0 l 0 g 0 avl 0) gdt ffff880001d04000/7f idt ffffffff8195e000/fff cr0 80050033 cr2 7f84c6b38ec8 cr3 1db7d000 cr4 6e0 cr8 0 efer 501 emulation failure, check dmesg for details Unfortunately, I found nothing in syslog or dmesg ** Affects: qemu Importance: Undecided Status: New ** Tags: qemu-kvm -- Qemu-KVM 0.12.4 Guest entered Paused State https://bugs.launchpad.net/bugs/584514 You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. Status in QEMU: New Bug description: I recently had a 0.12.4 qemu-kvm with a debian lenny guest which occasionally paused. There was no memory exhaustion as suggested earlier. qemu-kvm send the following output:: VM internal error. Suberror: 1 rax 0000000000000100 rbx ffff880017585bc0 rcx 00007f84c6d5b000 rdx 0000000000000001 rsi 0000000000000000 rdi ffff88001d322dec rsp ffff88001e133e88 rbp ffff88001e133e88 r8 0000000001f25bc2 r9 0000000000000007 r10 00007f84c6b4d97b r11 0000000000000206 r12 ffff88001d322dec r13 ffff88001d322de8 r14 0000000000000001 r15 0000000000000000 rip ffffffff81039719 rflags 00010092 cs 0010 (00000000/ffffffff p 1 dpl 0 db 0 s 1 type b l 1 g 1 avl 0) ds 0000 (00000000/ffffffff p 0 dpl 0 db 0 s 0 type 0 l 0 g 0 avl 0) es 0000 (00000000/ffffffff p 0 dpl 0 db 0 s 0 type 0 l 0 g 0 avl 0) ss 0018 (00000000/ffffffff p 1 dpl 0 db 1 s 1 type 3 l 0 g 1 avl 0) fs 0000 (7f84c6d53700/ffffffff p 0 dpl 0 db 0 s 0 type 0 l 0 g 0 avl 0) gs 0000 (ffff880001d00000/ffffffff p 0 dpl 0 db 0 s 0 type 0 l 0 g 0 avl 0) tr 0040 (ffff880001d13780/00002087 p 1 dpl 0 db 0 s 0 type b l 0 g 0 avl 0) ldt 0000 (00000000/ffffffff p 0 dpl 0 db 0 s 0 type 0 l 0 g 0 avl 0) gdt ffff880001d04000/7f idt ffffffff8195e000/fff cr0 80050033 cr2 7f84c6b38ec8 cr3 1db7d000 cr4 6e0 cr8 0 efer 501 emulation failure, check dmesg for details Unfortunately, I found nothing in syslog or dmesg