http://bugzilla.suse.com/show_bug.cgi?id=982692 Bug ID: 982692 Summary: kernel crash kvm-qemu kernel: BUG: unable to handle kernel NULL pointer dereference at 0000000000000007 Classification: openSUSE Product: openSUSE Distribution Version: Leap 42.1 Hardware: Other OS: Other Status: NEW Severity: Major Priority: P5 - None Component: Kernel Assignee: kernel-maintainers@forge.provo.novell.com Reporter: bruno@ioda-net.ch QA Contact: qa-bugs@suse.de Found By: --- Blocker: --- After updates ( see next comment ) and a reboot a computer CPU AMD FX8350 + 32Go RAM + Adpatec 6800 (Raid 10 of ssd) Has got a crash once Windows kvm guest start to have load (Oracle dumps) jun 01 19:01:25 clochette systemd[1]: Stopped User Manager for UID 0. jun 01 19:01:25 clochette systemd[1]: Stopping user-0.slice. jun 01 19:01:25 clochette systemd[1]: Removed slice user-0.slice. jun 01 19:02:17 clochette kernel: BUG: unable to handle kernel NULL pointer dereference at 0000000000000007 jun 01 19:02:17 clochette kernel: IP: [<ffffffffa04f24b3>] kvm_fetch_guest_virt+0x83/0xe0 [kvm] jun 01 19:02:17 clochette kernel: PGD 0 jun 01 19:02:17 clochette kernel: Oops: 0000 [#1] PREEMPT SMP jun 01 19:02:17 clochette kernel: Modules linked in: vhost_net vhost macvtap macvlan af_packet tun ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter ip_tables x_tables bridge stp llc jun 01 19:02:17 clochette kernel: md_mod ehci_pci ohci_hcd ehci_hcd xhci_pci xhci_hcd usbcore usb_common aacraid dm_mirror dm_region_hash dm_log dm_mod sg jun 01 19:02:17 clochette kernel: CPU: 0 PID: 2940 Comm: qemu-system-x86 Not tainted 4.1.21-14-default #1 jun 01 19:02:17 clochette kernel: Hardware name: To be filled by O.E.M. To be filled by O.E.M./CROSSHAIR V FORMULA-Z, BIOS 2101 04/17/2014 jun 01 19:02:17 clochette kernel: task: ffff8807dab3c550 ti: ffff8807d9a14000 task.ti: ffff8807d9a14000 jun 01 19:02:17 clochette kernel: RIP: 0010:[<ffffffffa04f24b3>] [<ffffffffa04f24b3>] kvm_fetch_guest_virt+0x83/0xe0 [kvm] jun 01 19:02:17 clochette kernel: RSP: 0018:ffff8807d9a17bc8 EFLAGS: 00010216 jun 01 19:02:17 clochette kernel: RAX: 0000000000001bfa RBX: ffff8807d9a196f0 RCX: 000000000000017d jun 01 19:02:17 clochette kernel: RDX: 000000000000018c RSI: 0000000001bfa000 RDI: ffff8807dabd8000 jun 01 19:02:17 clochette kernel: RBP: 000000000000000f R08: 000000000000000f R09: 0000000000000003 jun 01 19:02:17 clochette kernel: R10: 00000000ffffffff R11: 00000000002ae188 R12: ffff8807d9a18190 jun 01 19:02:17 clochette kernel: R13: fffff80001bfa17d R14: ffff8807d9a19900 R15: ffff8807d9a19718 jun 01 19:02:17 clochette kernel: FS: 00000000fff62000(0053) GS:ffff88081ec00000(002b) knlGS:000007fffff60000 jun 01 19:02:17 clochette kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 jun 01 19:02:17 clochette kernel: CR2: 0000000000000007 CR3: 00000007ef512000 CR4: 00000000000406f0 jun 01 19:02:17 clochette kernel: Stack: jun 01 19:02:17 clochette kernel: 000000010008e999 ffffffff810a0b5c ffff8807dab3c550 ffff8807d9a196f0 jun 01 19:02:17 clochette kernel: 000000000000000f fffff80001bfa17d fffff80001bfa17d 0000000000000001 jun 01 19:02:17 clochette kernel: 0000000000000004 ffffffffa05143d5 ffff88081ec16770 ffffffffa046acd8 jun 01 19:02:17 clochette kernel: Call Trace: jun 01 19:02:17 clochette kernel: [<ffffffffa05143d5>] __do_insn_fetch_bytes+0xb5/0x1a0 [kvm] jun 01 19:02:17 clochette kernel: [<ffffffffa0517c2d>] x86_decode_insn+0x5dd/0x1230 [kvm] jun 01 19:02:17 clochette kernel: [<ffffffffa04fe732>] x86_emulate_instruction+0x112/0x720 [kvm] jun 01 19:02:17 clochette kernel: [<ffffffffa046d291>] io_interception+0x71/0x80 [kvm_amd] jun 01 19:02:17 clochette kernel: [<ffffffffa04fbc57>] vcpu_enter_guest+0x937/0xef0 [kvm] jun 01 19:02:17 clochette kernel: [<ffffffffa050284d>] kvm_arch_vcpu_ioctl_run+0x2bd/0x430 [kvm] jun 01 19:02:17 clochette kernel: [<ffffffffa04eb429>] kvm_vcpu_ioctl+0x329/0x620 [kvm] jun 01 19:02:17 clochette kernel: [<ffffffff811f235f>] do_vfs_ioctl+0x2ff/0x510 jun 01 19:02:17 clochette kernel: [<ffffffff811f25f1>] SyS_ioctl+0x81/0xa0 jun 01 19:02:17 clochette kernel: [<ffffffff816658f2>] system_call_fastpath+0x16/0x75 jun 01 19:02:17 clochette kernel: [<00007f405026db87>] 0x7f405026db87 jun 01 19:02:17 clochette kernel: Code: ff 50 28 48 83 f8 ff 74 42 44 89 e9 81 e1 ff 0f 00 00 8d 14 29 81 fa 00 10 00 00 77 35 48 8b bb a0 ea ff ff 48 c1 e8 0c 41 89 e8 <c8> 89 c6 4c 89 f2 e8 c2 a9 jun 01 19:02:17 clochette kernel: RIP [<ffffffffa04f24b3>] kvm_fetch_guest_virt+0x83/0xe0 [kvm] jun 01 19:02:17 clochette kernel: RSP <ffff8807d9a17bc8> jun 01 19:02:17 clochette kernel: CR2: 0000000000000007 jun 01 19:01:25 clochette systemd[11598]: Stopped target Basic System. jun 01 19:01:25 clochette systemd[11598]: Stopping Paths. jun 01 19:01:25 clochette systemd[11598]: Stopped target Paths. jun 01 19:01:25 clochette systemd[11598]: Stopping Timers. jun 01 19:01:25 clochette systemd[11598]: Stopped target Timers. jun 01 19:01:25 clochette systemd[11598]: Stopping Sockets. jun 01 19:01:25 clochette systemd[11598]: Stopped target Sockets. jun 01 19:01:25 clochette systemd[11598]: Starting Shutdown. jun 01 19:01:25 clochette systemd[11598]: Reached target Shutdown. jun 01 19:01:25 clochette systemd[11598]: Starting Exit the Session... jun 01 19:01:25 clochette systemd[11598]: Received SIGRTMIN+24 from PID 11779 (kill). jun 01 19:01:25 clochette systemd[11599]: pam_unix(systemd-user:session): session closed for user root jun 01 19:01:25 clochette systemd[1]: Stopped User Manager for UID 0. jun 01 19:01:25 clochette systemd[1]: Stopping user-0.slice. jun 01 19:01:25 clochette systemd[1]: Removed slice user-0.slice. jun 01 19:02:17 clochette kernel: BUG: unable to handle kernel NULL pointer dereference at 0000000000000007 jun 01 19:02:17 clochette kernel: IP: [<ffffffffa04f24b3>] kvm_fetch_guest_virt+0x83/0xe0 [kvm] jun 01 19:02:17 clochette kernel: PGD 0 jun 01 19:02:17 clochette kernel: Oops: 0000 [#1] PREEMPT SMP jun 01 19:02:17 clochette kernel: Modules linked in: vhost_net vhost macvtap macvlan af_packet tun ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter ip_tables x_tables bridge stp llc jun 01 19:02:17 clochette kernel: md_mod ehci_pci ohci_hcd ehci_hcd xhci_pci xhci_hcd usbcore usb_common aacraid dm_mirror dm_region_hash dm_log dm_mod sg jun 01 19:02:17 clochette kernel: CPU: 0 PID: 2940 Comm: qemu-system-x86 Not tainted 4.1.21-14-default #1 jun 01 19:02:17 clochette kernel: Hardware name: To be filled by O.E.M. To be filled by O.E.M./CROSSHAIR V FORMULA-Z, BIOS 2101 04/17/2014 jun 01 19:02:17 clochette kernel: task: ffff8807dab3c550 ti: ffff8807d9a14000 task.ti: ffff8807d9a14000 jun 01 19:02:17 clochette kernel: RIP: 0010:[<ffffffffa04f24b3>] [<ffffffffa04f24b3>] kvm_fetch_guest_virt+0x83/0xe0 [kvm] jun 01 19:02:17 clochette kernel: RSP: 0018:ffff8807d9a17bc8 EFLAGS: 00010216 jun 01 19:02:17 clochette kernel: RAX: 0000000000001bfa RBX: ffff8807d9a196f0 RCX: 000000000000017d jun 01 19:02:17 clochette kernel: RDX: 000000000000018c RSI: 0000000001bfa000 RDI: ffff8807dabd8000 jun 01 19:02:17 clochette kernel: RBP: 000000000000000f R08: 000000000000000f R09: 0000000000000003 jun 01 19:02:17 clochette kernel: R10: 00000000ffffffff R11: 00000000002ae188 R12: ffff8807d9a18190 jun 01 19:02:17 clochette kernel: R13: fffff80001bfa17d R14: ffff8807d9a19900 R15: ffff8807d9a19718 jun 01 19:02:17 clochette kernel: FS: 00000000fff62000(0053) GS:ffff88081ec00000(002b) knlGS:000007fffff60000 jun 01 19:02:17 clochette kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 jun 01 19:02:17 clochette kernel: CR2: 0000000000000007 CR3: 00000007ef512000 CR4: 00000000000406f0 jun 01 19:02:17 clochette kernel: Stack: jun 01 19:02:17 clochette kernel: 000000010008e999 ffffffff810a0b5c ffff8807dab3c550 ffff8807d9a196f0 jun 01 19:02:17 clochette kernel: 000000000000000f fffff80001bfa17d fffff80001bfa17d 0000000000000001 jun 01 19:02:17 clochette kernel: 0000000000000004 ffffffffa05143d5 ffff88081ec16770 ffffffffa046acd8 jun 01 19:02:17 clochette kernel: Call Trace: jun 01 19:02:17 clochette kernel: [<ffffffffa05143d5>] __do_insn_fetch_bytes+0xb5/0x1a0 [kvm] jun 01 19:02:17 clochette kernel: [<ffffffffa0517c2d>] x86_decode_insn+0x5dd/0x1230 [kvm] jun 01 19:02:17 clochette kernel: [<ffffffffa04fe732>] x86_emulate_instruction+0x112/0x720 [kvm] jun 01 19:02:17 clochette kernel: [<ffffffffa046d291>] io_interception+0x71/0x80 [kvm_amd] jun 01 19:02:17 clochette kernel: [<ffffffffa04fbc57>] vcpu_enter_guest+0x937/0xef0 [kvm] jun 01 19:02:17 clochette kernel: [<ffffffffa050284d>] kvm_arch_vcpu_ioctl_run+0x2bd/0x430 [kvm] jun 01 19:02:17 clochette kernel: [<ffffffffa04eb429>] kvm_vcpu_ioctl+0x329/0x620 [kvm] jun 01 19:02:17 clochette kernel: [<ffffffff811f235f>] do_vfs_ioctl+0x2ff/0x510 jun 01 19:02:17 clochette kernel: [<ffffffff811f25f1>] SyS_ioctl+0x81/0xa0 jun 01 19:02:17 clochette kernel: [<ffffffff816658f2>] system_call_fastpath+0x16/0x75 jun 01 19:02:17 clochette kernel: [<00007f405026db87>] 0x7f405026db87 jun 01 19:02:17 clochette kernel: Code: ff 50 28 48 83 f8 ff 74 42 44 89 e9 81 e1 ff 0f 00 00 8d 14 29 81 fa 00 10 00 00 77 35 48 8b bb a0 ea ff ff 48 c1 e8 0c 41 89 e8 <c8> 89 c6 4c 89 f2 e8 c2 a9 jun 01 19:02:17 clochette kernel: RIP [<ffffffffa04f24b3>] kvm_fetch_guest_virt+0x83/0xe0 [kvm] jun 01 19:02:17 clochette kernel: RSP <ffff8807d9a17bc8> jun 01 19:02:17 clochette kernel: CR2: 0000000000000007 jun 01 19:02:17 clochette kernel: ---[ end trace d391f441eded7c9d ]--- jun 01 19:02:25 clochette sudo[11789]: admin : TTY=unknown ; PWD=/var/lib/collectd ; USER=root ; COMMAND=/usr/local/sbin/arcconf getconfig 1 AD The same configuration has worked since years (hardware, previously openSUSE 13.1 and now running 42.1 since several months) -- You are receiving this mail because: You are on the CC list for the bug.