https://bugzilla.kernel.org/show_bug.cgi?id=195309 Bug ID: 195309 Summary: qemu-system-x86_64: using __this_cpu_read() in preemptible Product: Virtualization Version: unspecified Kernel Version: 4.9.18-rt-rt14 Hardware: x86-64 OS: Linux Tree: Mainline Status: NEW Severity: low Priority: P1 Component: kvm Assignee: virtualization_kvm@xxxxxxxxxxxxxxxxxxxx Reporter: thiemel@xxxxxxxxxx Regression: No OS: Gentoo x86_64 Preemptive kernel with RealTime patch: CONFIG_PREEMPT_RCU=y CONFIG_PREEMPT_NOTIFIERS=y CONFIG_PREEMPT=y CONFIG_PREEMPT_RT_BASE=y CONFIG_HAVE_PREEMPT_LAZY=y CONFIG_PREEMPT_LAZY=y # CONFIG_PREEMPT_NONE is not set # CONFIG_PREEMPT_VOLUNTARY is not set # CONFIG_PREEMPT__LL is not set # CONFIG_PREEMPT_RTB is not set CONFIG_PREEMPT_RT_FULL=y CONFIG_PREEMPT_COUNT=y CONFIG_DEBUG_PREEMPT=y DMESG OUTPUTs: [64005.914848] BUG: using __this_cpu_read() in preemptible [00000000 00000000] code: qemu-system-x86/6915 [64005.914853] caller is __this_cpu_preempt_check+0x13/0x20 [64005.914856] CPU: 5 PID: 6915 Comm: qemu-system-x86 Not tainted 4.9.18-rt-rt14-xeon #4 [64005.914857] Hardware name: MSI MS-7759/Z77MA-G45 (MS-7759), BIOS V1.9 03/01/2013 [64005.914861] ffffc9001de3fb00 ffffffff813deaf4 0000000000000005 ffffffff819e4bd5 [64005.914864] ffffc9001de3fb30 ffffffff814028a6 ffffc90000001b03 ffff8807ee93c000 [64005.914866] ffff8807ee93f438 ffffc9001de3fc50 ffffc9001de3fb40 ffffffff814028e3 [64005.914867] Call Trace: [64005.914873] [<ffffffff813deaf4>] dump_stack+0x4f/0x6b [64005.914876] [<ffffffff814028a6>] check_preemption_disabled+0x116/0x120 [64005.914878] [<ffffffff814028e3>] __this_cpu_preempt_check+0x13/0x20 [64005.914896] [<ffffffffa038350a>] __get_kvmclock_ns+0x6a/0x100 [kvm] [64005.914909] [<ffffffffa03879cd>] get_kvmclock_ns+0xd/0x20 [kvm] [64005.914923] [<ffffffffa03b02ca>] get_time_ref_counter+0x4a/0x70 [kvm] [64005.914935] [<ffffffffa03b16b1>] kvm_hv_get_msr_common+0x351/0x4b0 [kvm] [64005.914948] [<ffffffffa0383cff>] kvm_get_msr_common+0x44f/0x650 [kvm] [64005.914954] [<ffffffffa07302f6>] vmx_get_msr+0xa6/0x480 [kvm_intel] [64005.914958] [<ffffffffa07316a2>] handle_rdmsr+0x32/0x90 [kvm_intel] [64005.914962] [<ffffffffa0734503>] vmx_handle_exit+0xe3/0x12d0 [kvm_intel] [64005.914976] [<ffffffffa038f09e>] kvm_arch_vcpu_ioctl_run+0xc8e/0x18b0 [kvm] [64005.914987] [<ffffffffa038f03b>] ? kvm_arch_vcpu_ioctl_run+0xc2b/0x18b0 [kvm] [64005.914995] [<ffffffffa0387ce2>] ? kvm_arch_vcpu_load+0x52/0x220 [kvm] [64005.915002] [<ffffffffa0379fb7>] kvm_vcpu_ioctl+0x337/0x590 [kvm] [64005.915005] [<ffffffff811b184a>] do_vfs_ioctl+0x9a/0x5f0 [64005.915007] [<ffffffff811bd5f4>] ? __fget+0xc4/0x100 [64005.915009] [<ffffffff811bd530>] ? expand_files+0x210/0x210 [64005.915010] [<ffffffff811b1ddc>] SyS_ioctl+0x3c/0x70 [64005.915012] [<ffffffff810026a5>] do_syscall_64+0x75/0x190 [64005.915015] [<ffffffff8175070f>] entry_SYSCALL64_slow_path+0x25/0x25 [291105.373894] BUG: using __this_cpu_read() in preemptible [00000000 00000000] code: qemu-system-x86/6915 [291105.373899] caller is __this_cpu_preempt_check+0x13/0x20 [291105.373902] CPU: 2 PID: 6915 Comm: qemu-system-x86 Not tainted 4.9.18-rt-rt14-xeon #4 [291105.373902] Hardware name: MSI MS-7759/Z77MA-G45 (MS-7759), BIOS V1.9 03/01/2013 [291105.373907] ffffc9001de3fb00 ffffffff813deaf4 0000000000000002 ffffffff819e4bd5 [291105.373910] ffffc9001de3fb30 ffffffff814028a6 ffffc90000001b03 ffff8807ee93c000 [291105.373912] ffff8807ee93f438 ffffc9001de3fc50 ffffc9001de3fb40 ffffffff814028e3 [291105.373913] Call Trace: [291105.373918] [<ffffffff813deaf4>] dump_stack+0x4f/0x6b [291105.373920] [<ffffffff814028a6>] check_preemption_disabled+0x116/0x120 [291105.373922] [<ffffffff814028e3>] __this_cpu_preempt_check+0x13/0x20 [291105.373935] [<ffffffffa038350a>] __get_kvmclock_ns+0x6a/0x100 [kvm] [291105.373944] [<ffffffffa03879cd>] get_kvmclock_ns+0xd/0x20 [kvm] [291105.373953] [<ffffffffa03b02ca>] get_time_ref_counter+0x4a/0x70 [kvm] [291105.373961] [<ffffffffa03b16b1>] kvm_hv_get_msr_common+0x351/0x4b0 [kvm] [291105.373971] [<ffffffffa0383cff>] kvm_get_msr_common+0x44f/0x650 [kvm] [291105.373977] [<ffffffffa07302f6>] vmx_get_msr+0xa6/0x480 [kvm_intel] [291105.373981] [<ffffffffa07316a2>] handle_rdmsr+0x32/0x90 [kvm_intel] [291105.373986] [<ffffffffa0734503>] vmx_handle_exit+0xe3/0x12d0 [kvm_intel] [291105.373995] [<ffffffffa038f09e>] kvm_arch_vcpu_ioctl_run+0xc8e/0x18b0 [kvm] [291105.374003] [<ffffffffa038f03b>] ? kvm_arch_vcpu_ioctl_run+0xc2b/0x18b0 [kvm] [291105.374011] [<ffffffffa0387ce2>] ? kvm_arch_vcpu_load+0x52/0x220 [kvm] [291105.374018] [<ffffffffa0379fb7>] kvm_vcpu_ioctl+0x337/0x590 [kvm] [291105.374021] [<ffffffff811b184a>] do_vfs_ioctl+0x9a/0x5f0 [291105.374023] [<ffffffff811bd5f4>] ? __fget+0xc4/0x100 [291105.374025] [<ffffffff811bd530>] ? expand_files+0x210/0x210 [291105.374026] [<ffffffff811b1ddc>] SyS_ioctl+0x3c/0x70 [291105.374028] [<ffffffff810026a5>] do_syscall_64+0x75/0x190 [291105.374031] [<ffffffff8175070f>] entry_SYSCALL64_slow_path+0x25/0x25 [294382.416686] BUG: using __this_cpu_read() in preemptible [00000000 00000000] code: qemu-system-x86/6891 [294382.416691] caller is __this_cpu_preempt_check+0x13/0x20 [294382.416693] CPU: 4 PID: 6891 Comm: qemu-system-x86 Not tainted 4.9.18-rt-rt14-xeon #4 [294382.416694] Hardware name: MSI MS-7759/Z77MA-G45 (MS-7759), BIOS V1.9 03/01/2013 [294382.416696] ffffc90013e43b00 ffffffff813deaf4 0000000000000004 ffffffff819e4bd5 [294382.416698] ffffc90013e43b30 ffffffff814028a6 ffffc90000001aeb ffff8807e6594000 [294382.416699] ffff8807e6597438 ffffc90013e43c50 ffffc90013e43b40 ffffffff814028e3 [294382.416700] Call Trace: [294382.416705] [<ffffffff813deaf4>] dump_stack+0x4f/0x6b [294382.416708] [<ffffffff814028a6>] check_preemption_disabled+0x116/0x120 [294382.416709] [<ffffffff814028e3>] __this_cpu_preempt_check+0x13/0x20 [294382.416723] [<ffffffffa038350a>] __get_kvmclock_ns+0x6a/0x100 [kvm] [294382.416733] [<ffffffffa03879cd>] get_kvmclock_ns+0xd/0x20 [kvm] [294382.416742] [<ffffffffa03b02ca>] get_time_ref_counter+0x4a/0x70 [kvm] [294382.416750] [<ffffffffa03b16b1>] kvm_hv_get_msr_common+0x351/0x4b0 [kvm] [294382.416758] [<ffffffffa0383cff>] kvm_get_msr_common+0x44f/0x650 [kvm] [294382.416762] [<ffffffffa07302f6>] vmx_get_msr+0xa6/0x480 [kvm_intel] [294382.416765] [<ffffffffa07316a2>] handle_rdmsr+0x32/0x90 [kvm_intel] [294382.416768] [<ffffffffa0734503>] vmx_handle_exit+0xe3/0x12d0 [kvm_intel] [294382.416777] [<ffffffffa038f09e>] kvm_arch_vcpu_ioctl_run+0xc8e/0x18b0 [kvm] [294382.416786] [<ffffffffa038f03b>] ? kvm_arch_vcpu_ioctl_run+0xc2b/0x18b0 [kvm] [294382.416794] [<ffffffffa0387ce2>] ? kvm_arch_vcpu_load+0x52/0x220 [kvm] [294382.416801] [<ffffffffa0379fb7>] kvm_vcpu_ioctl+0x337/0x590 [kvm] [294382.416803] [<ffffffff811b184a>] do_vfs_ioctl+0x9a/0x5f0 [294382.416805] [<ffffffff811bd5f4>] ? __fget+0xc4/0x100 [294382.416807] [<ffffffff811bd530>] ? expand_files+0x210/0x210 [294382.416808] [<ffffffff811b1ddc>] SyS_ioctl+0x3c/0x70 [294382.416810] [<ffffffff810026a5>] do_syscall_64+0x75/0x190 [294382.416813] [<ffffffff8175070f>] entry_SYSCALL64_slow_path+0x25/0x25 -- You are receiving this mail because: You are watching the assignee of the bug.
