https://bugzilla.novell.com/show_bug.cgi?id=861737 https://bugzilla.novell.com/show_bug.cgi?id=861737#c0 Summary: XEN kernel crashed sometimes when doing a switch on my aten cs1784a kvm switch Classification: openSUSE Product: openSUSE 13.1 Version: Final Platform: x86-64 OS/Version: openSUSE 13.1 Status: NEW Severity: Normal Priority: P5 - None Component: Xen AssignedTo: jdouglas@suse.com ReportedBy: 1976roel@gmail.com QAContact: qa-bugs@suse.de Found By: --- Blocker: --- Created an attachment (id=576838) --> (http://bugzilla.novell.com/attachment.cgi?id=576838) The output of a crashed session User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:26.0) Gecko/20100101 Firefox/26.0 xen or the xen kernel crashed when I do press the switchbutton on the aten cs1784a kvm switch to switch to the xen machine. At that time the machine crashed sometimes. Reproducible: Sometimes Steps to Reproduce: 1. Start the openSUSE 13.1 GNU/Linux, with Xen hypervisor 2. Wait until the machine has been booted 3. Press the switchbutton on the hardware kvm switch to switch from the xen machine. 4. Press the switchbutton on the hardware kvm switch to switch to the xen machine. Actual Results: The machine crashed with the following bugreport on the screen but not in a log file. So I have captured with a serial console.: [ 253.727714] BUG: unable to handle kernel paging request at ffff8807931d685c [ 253.731673] IP: [<ffffffff8040ccc3>] hid_report_raw_event+0x1c3/0x430 [ 253.731673] PGD add067 PUD bcbd6f067 PMD bcbcd6067 PTE 0 [ 253.731673] Oops: 0000 [#1] SMP [ 253.731673] Modules linked in: tun ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bridge stp llc bonding hid_logitech_dj af_packet nbd blktap blktap2 pciback usbbk xen_scsibk blkbk blkback_pagemap netbk xenbus_be gntdev evtchn snd_hda_codec_hdmi coretemp snd_hda_codec_realtek domctl snd_hda_intel snd_hda_codec firewire_ohci snd_hwdep serio_raw gpio_ich firewire_core iTCO_wdt iTCO_vendor_support joydev ata_generic pcspkr snd_pcm snd_seq snd_timer snd_seq_device snd i2c_i801 i7core_edac crc_itu_t pata_jmicron lpc_ich soundcore edac_core ioatdma button mfd_core snd_page_alloc 8250 serial_core shpchp sg dm_mod autofs4 hid_generic usbhid btrfs raid6_pq zlib_deflate xor libcrc32c crc32c_intel uhci_hcd radeon ttm drm_kms_helper drm ehci_pci ehci_hcd usbcore usb_common arcmsr processor thermal_sys scsi_dh_rdac scsi_dh_hp_sw scsi_dh_emc scsi_dh_alua scsi_dh xenblk cdrom xennet igb i2c_algo_bit i2c_core ixgbe hwmon ptp pps_core mdio [ 253.731673] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.11.6-4-xen #1 [ 253.731673] Hardware name: Supermicro X8DAH/X8DAH, BIOS 2.0a 09/03/10 [ 253.731673] task: ffffffff80902960 ti: ffffffff808f6000 task.ti: ffffffff808f6000 [ 253.731673] RIP: e030:[<ffffffff8040ccc3>] [<ffffffff8040ccc3>] hid_report_raw_event+0x1c3/0x430 [ 253.731673] RSP: e02b:ffff880b9a603bb0 EFLAGS: 00010006 [ 253.731673] RAX: ffff8807931d685c RBX: 0000000000000000 RCX: 0000000000000000 [ 253.731673] RDX: 0000000000000000 RSI: 2410080720b583ff RDI: ffff8807d8e0e000 [ 253.731673] RBP: 0000000000000008 R08: ffff8807931d5470 R09: 0000000000000001 [ 253.731673] R10: 0000000000000000 R11: 0000000000000000 R12: ffff880b4bbf618c [ 253.731673] R13: ffff8807931d5400 R14: ffff880b4bbf6140 R15: 0000000000000000 [ 253.731673] FS: 00007f8e5b024800(0000) GS:ffff880b9a600000(0000) knlGS:0000000000000000 [ 253.731673] CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b [ 253.731673] CR2: ffff8807931d685c CR3: 000000091d693000 CR4: 0000000000002660 [ 253.731673] Stack: [ 253.731673] ffff8807d8e0e000 ffff880b5f0e9101 000000ff80068676 ffff880b4bbf6140 [ 253.731673] 0000000000000001 ffff8807d8e69018 000000000000004c 0000000000000012 [ 253.731673] 0000000000000048 ffff8807d8e69000 ffff8807d8e0f8b8 0000000000000014 [ 253.731673] Call Trace: [ 253.731673] [<ffffffff8040d03d>] hid_input_report+0x10d/0x190 [ 253.731673] [<ffffffffa0461da5>] hid_irq_in+0x85/0x200 [usbhid] [ 253.731673] [<ffffffffa00ff559>] usb_hcd_giveback_urb+0x49/0xb0 [usbcore] [ 253.731673] [<ffffffffa0148b3b>] ehci_urb_done+0x7b/0xb0 [ehci_hcd] [ 253.731673] [<ffffffffa0148ef9>] qh_completions+0x389/0x5d0 [ehci_hcd] [ 253.731673] [<ffffffffa0149e1a>] ehci_work.part.64+0x17a/0x960 [ehci_hcd] [ 253.731673] [<ffffffffa014aa08>] ehci_irq+0x338/0x450 [ehci_hcd] [ 253.731673] [<ffffffffa00fef93>] usb_hcd_irq+0x33/0x80 [usbcore] [ 253.731673] [<ffffffff800adf7d>] handle_irq_event_percpu+0x2d/0x1b0 [ 253.731673] [<ffffffff800ae155>] handle_irq_event+0x55/0x70 [ 253.731673] [<ffffffff800b1130>] handle_fasteoi_irq+0x60/0x120 [ 253.731673] [<ffffffff800087d8>] handle_irq+0x18/0x30 [ 253.731673] [<ffffffff80381e6c>] evtchn_do_upcall+0x1cc/0x2e0 [ 253.731673] [<ffffffff805259ce>] do_hypervisor_callback+0x1e/0x30 [ 253.731673] [<ffffffff800033aa>] HYPERVISOR_sched_op_new+0xa/0x20 [ 253.731673] [<ffffffff8000e38b>] xen_idle+0x1b/0xb0 [ 253.731673] [<ffffffff8007945a>] cpu_startup_entry+0xba/0x2a0 [ 253.731673] [<ffffffff8098db22>] start_kernel+0x43c/0x447 [ 253.731673] Code: e8 f3 f8 ff ff 41 89 06 41 8b 55 1c f6 c2 02 75 27 39 c3 7f 23 39 44 24 14 7c 1d 29 d8 4d 8b 45 10 48 98 48 8d 04 80 49 8d 04 80 <81> 38 01 00 07 00 74 50 0f 1f 44 00 00 49 83 c6 04 41 01 ef 4d [ 253.731673] RIP [<ffffffff8040ccc3>] hid_report_raw_event+0x1c3/0x430 [ 253.731673] RSP <ffff880b9a603bb0> [ 253.731673] CR2: ffff8807931d685c [ 253.731673] ---[ end trace 2297bb028cd47c19 ]--- [ 253.731673] Kernel panic - not syncing: Fatal exception in interrupt [ 253.731673] drm_kms_helper: panic occurred, switching back to text console Expected Results: No crash of the xen hypervisor or xen kernel. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.