On Wed, Jun 22, 2016 at 10:36 AM, Paolo Bonzini <pbonzini@xxxxxxxxxx> wrote: > > > On 22/06/2016 10:20, Dmitry Vyukov wrote: >>>> >> All crashes suggest that apic is NULL. >>>> >> >>>> >> On commit b06f3a168cdcd80026276898fd1fee443ef25743 (Jan 6). >> >> Ping. Just hit it again on 67016f6cdfd079e632bbc49e33178b2d558c120a (Jun 20): > > This might have been the same bug you reported yesterday in kvm_set_cr8. > I've sent a patch to fix static keys. Then it is probably the same as the following one as well? WARNING: CPU: 3 PID: 23379 at kernel/sched/core.c:2583[< none >] preempt_notifier_register+0x2b/0x120 kernel/sched/core.c:2583 registering preempt_notifier while notifiers disabled Modules linked in: CPU: 3 PID: 23379 Comm: syz-executor Not tainted 4.7.0-rc4+ #2 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 ffffffff880b58e0 ffff88003a79fa60 ffffffff82cc62cf ffffffff81495e98 fffffbfff1016b1c ffff88003a79fad8 0000000000000000 ffffffff86ca0220 ffffffff813ed78b 0000000000000009 ffff88003a79faa8 ffffffff8136d27f Call Trace: [< inline >] __dump_stack lib/dump_stack.c:15 [<ffffffff82cc62cf>] dump_stack+0x12e/0x18f lib/dump_stack.c:51 [<ffffffff8136d27f>] __warn+0x19f/0x1e0 kernel/panic.c:516 [<ffffffff8136d36c>] warn_slowpath_fmt+0xac/0xd0 kernel/panic.c:531 [<ffffffff813ed78b>] preempt_notifier_register+0x2b/0x120 kernel/sched/core.c:2583 [<ffffffff81067d96>] vcpu_load+0x46/0x70 arch/x86/kvm/../../../virt/kvm/kvm_main.c:146 [<ffffffff810b933f>] kvm_arch_vcpu_setup+0x1f/0x60 arch/x86/kvm/x86.c:7390 [< inline >] kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2355 [<ffffffff8106b9f2>] kvm_vm_ioctl+0x582/0x10d0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2839 [< inline >] vfs_ioctl fs/ioctl.c:43 [<ffffffff818510bc>] do_vfs_ioctl+0x18c/0xff0 fs/ioctl.c:674 [< inline >] SYSC_ioctl fs/ioctl.c:689 [<ffffffff81851faf>] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:680 [<ffffffff86a97000>] entry_SYSCALL_64_fastpath+0x23/0xc1 arch/x86/entry/entry_64.S:207 ---[ end trace c0e5c1ad551a4947 ]--- -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
