Attachment 160615 Details for Bug 250766 – stack trace from the domU kernel panic.

stack trace from the domU kernel panic.

domUi686-kernel-stack.txt (text/plain), 6.19 KB, created by Paul Batkowski on 2007-08-03 14:46:50 UTC

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Creator: Paul Batkowski

Created: 2007-08-03 14:46:50 UTC

Size: 6.19 KB

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># xm create -c rhel5Client
>Using config file "/etc/xen/rhel5Client".
>Started domain rhel5Client
>Linux version 2.6.18-8.el5xen (brewbuilder@ls20-bc2-14.build.redhat.com) (gcc version 4.1.1 20070105 (Red Hat 4.1.1-52)) #1 SMP Fri Jan 26 14:42:21 EST 2007
>BIOS-provided physical RAM map:
> Xen: 0000000000000000 - 000000001fc00000 (usable)
>0MB HIGHMEM available.
>508MB LOWMEM available.
>NX (Execute Disable) protection: active
>ACPI in unprivileged domain disabled
>Built 1 zonelists.  Total pages: 130048
>Kernel command line:  ro root=/dev/myvg/rootvol
>Enabling fast FPU save and restore... done.
>Enabling unmasked SIMD FPU exception support... done.
>Initializing CPU#0
>CPU 0 irqstacks, hard=c071b000 soft=c06fb000
>PID hash table entries: 2048 (order: 11, 8192 bytes)
>Xen reported: 1866.730 MHz processor.
>Console: colour dummy device 80x25
>Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
>Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
>Software IO TLB disabled
>vmalloc area: e0800000-f4ffe000, maxmem 2d7fe000
>Memory: 497024k/520192k available (2017k kernel code, 14672k reserved, 824k data, 172k init, 0k highmem)
>Checking if this processor honours the WP bit even in supervisor mode... Ok.
>Calibrating delay using timer specific routine.. 4669.70 BogoMIPS (lpj=9339415)
>Security Framework v1.0.0 initialized
>SELinux:  Initializing.
>SELinux:  Starting in permissive mode
>selinux_register_security:  Registering secondary module capability
>Capability LSM initialized as secondary
>Mount-cache hash table entries: 512
>CPU: L1 I cache: 32K, L1 D cache: 32K
>CPU: L2 cache: 2048K
>Checking 'hlt' instruction... OK.
>SMP alternatives: switching to UP code
>Freeing SMP alternatives: 16k freed
>Brought up 1 CPUs
>checking if image is initramfs... it is
>Freeing initrd memory: 4836k freed
>Grant table initialized
>NET: Registered protocol family 16
>ACPI Exception (utmutex-0262): AE_BAD_PARAMETER, Thread C06CAAA0 could not acquire Mutex [2] [20060707]
>Brought up 1 CPUs
>PCI: setting up Xen PCI frontend stub
>ACPI: Interpreter disabled.
>Linux Plug and Play Support v0.97 (c) Adam Belay
>pnp: PnP ACPI: disabled
>xen_mem: Initialising balloon driver.
>usbcore: registered new driver usbfs
>usbcore: registered new driver hub
>PCI: System does not support PCI
>PCI: System does not support PCI
>NetLabel: Initializing
>NetLabel:  domain hash size = 128
>NetLabel:  protocols = UNLABELED CIPSOv4
>NetLabel:  unlabeled traffic allowed by default
>NET: Registered protocol family 2
>IP route cache hash table entries: 4096 (order: 2, 16384 bytes)
>TCP established hash table entries: 16384 (order: 5, 131072 bytes)
>TCP bind hash table entries: 8192 (order: 4, 65536 bytes)
>TCP: Hash tables configured (established 16384 bind 8192)
>TCP reno registered
>IA-32 Microcode Update Driver: v1.14-xen <tigran@veritas.com>
>audit: initializing netlink socket (disabled)
>audit(1186152202.772:1): initialized
>VFS: Disk quotas dquot_6.5.1
>Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
>SELinux:  Registering netfilter hooks
>Initializing Cryptographic API
>ksign: Installing public key data
>Loading keyring
>- Added public key 86B4033B99649BB9
>- User ID: Red Hat, Inc. (Kernel Module GPG key)
>io scheduler noop registered
>io scheduler anticipatory registered
>io scheduler deadline registered
>io scheduler cfq registered (default)
>pci_hotplug: PCI Hot Plug PCI Core version: 0.5
>rtc: IRQ 8 is not free.
>Non-volatile memory driver v1.2
>Linux agpgart interface v0.101 (c) Dave Jones
>RAMDISK driver initialized: 16 RAM disks of 16384K size 4096 blocksize
>Xen virtual console successfully installed as xvc0
>Event-channel device installed.
>Console: switching to colour frame buffer device 100x37
>input: Xen Virtual Keyboard/Mouse as /class/input/input0
>Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
>ide: Assuming 50MHz system bus speed for PIO modes; override with idebus=xx
>ide-floppy driver 0.99.newide
>usbcore: registered new driver hiddev
>usbcore: registered new driver usbhid
>drivers/usb/input/hid-core.c: v2.6:USB HID core driver
>PNP: No PS/2 controller found. Probing ports directly.
>i8042.c: No controller found.
>mice: PS/2 mouse device common for all mice
>md: md driver 0.90.3 MAX_MD_DEVS=256, MD_SB_DISKS=27
>md: bitmap version 4.39
>TCP bic registered
>Initializing IPsec netlink socket
>NET: Registered protocol family 1
>NET: Registered protocol family 17
>Using IPI No-Shortcut mode
>XENBUS: Device with no driver: device/vbd/51712
>XENBUS: Device with no driver: device/vif/0
>Freeing unused kernel memory: 172k freed
>Write protecting the kernel read-only data: 355k
>USB Universal Host Controller Interface driver v3.0
>Registering block device major 202
> xvda:end_request: I/O error, dev xvda, sector 0
>Buffer I/O error on device xvda, logical block 0
>BUG: unable to handle kernel NULL pointer dereference at virtual address 0000002c
> printing eip:
>e0a01bc3
>008fe000 -> *pde = 00000000:62cb7027
>00902000 -> *pme = 00000000:00000000
>Oops: 0000 [#1]
>SMP 
>last sysfs file: /block/ram0/dev
>Modules linked in: xenblk ext3 jbd ehci_hcd ohci_hcd uhci_hcd
>CPU:    0
>EIP:    0061:[<e0a01bc3>]    Not tainted VLI
>EFLAGS: 00010046   (2.6.18-8.el5xen #1) 
>EIP is at blkif_int+0xca/0x16b [xenblk]
>eax: 00000000   ebx: c0ef6000   ecx: c06c7f8c   edx: 00000000
>esi: 00000000   edi: ca000100   ebp: c0e870ac   esp: c071bfa4
>ds: 007b   es: 007b   ss: 0069
>Process swapper (pid: 0, ti=c071b000 task=c0653940 task.ti=c06c7000)
>Stack: 00000000 00000001 00000002 00000000 d8effc7c c0920800 00000000 00000000 
>       00000107 c043ec9b c06c7f8c c06bb7a8 c06bb780 00000107 fffffffe c043ed58 
>       c06c7f8c c0920800 c06c7f5c 00000107 c06c7f8c fffffffe c040672b 
>Call Trace:
> [<c043ec9b>] handle_IRQ_event+0x27/0x51
> [<c043ed58>] __do_IRQ+0x93/0xe8
> [<c040672b>] do_IRQ+0x93/0xae
> [<c053a045>] evtchn_do_upcall+0x64/0x9b
> [<c0404ec5>] hypervisor_callback+0x3d/0x48
> [<c0407fd1>] raw_safe_halt+0x8c/0xaf
> [<c0402bca>] xen_idle+0x22/0x2e
> [<c0402ce9>] cpu_idle+0x91/0xab
> [<c06cc799>] start_kernel+0x381/0x388
> =======================
>Code: 00 c7 80 84 00 00 00 00 00 00 00 c7 80 e8 00 00 00 00 00 00 00 89 bb fc 13 00 00 80 7d 08 01 77 35 8b 04 24 31 d2 66 83 7d 0a 00 <8b> 48 2c 0f 94 c2 e8 7a 69 ac df 85 c0 74 08 0f 0b ac 02 08 23 
>EIP: [<e0a01bc3>] blkif_int+0xca/0x16b [xenblk] SS:ESP 0069:c071bfa4
> <0>Kernel panic - not syncing: Fatal exception in interrupt

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Attachments on bug 250766: 160615