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Bug#607709: XEN kernel crash (this time with a shorter trace)



A new crash on that machine, after upgrading kernel, is shown here:

Dec 29 22:21:28 atf-124 kernel: [49041.588528] ------------[ cut here ]------------
Dec 29 22:21:28 atf-124 kernel: [49041.591269] kernel BUG at /build/buildd-linux-2.6_2.6.32-29-i386-Of6Yt1/linux-2.6-2.6
.32/debian/build/source_i386_xen/arch/x86/xen/enlighten.c:309!
Dec 29 22:21:28 atf-124 kernel: [49041.592505] invalid opcode: 0000 [#1] SMP
Dec 29 22:21:28 atf-124 kernel: [49041.592505] last sysfs file: /sys/hypervisor/version/minor
Dec 29 22:21:28 atf-124 kernel: [49041.592505] Modules linked in: bridge stp xen_evtchn xenfs vboxnetadp vboxnetflt vboxdrv lp parport psmouse shpchp i5100_edac button edac_core pci_hotplug serio_raw evdev dcdbas processor acpi_processor ext3 jbd mbcache sd_mod crc_t10dif sg osst sr_mod dm_mod cdrom st usbhid hid ata_generic mptspi mptsas scsi_transport_spimptscsih ata_piix mptbase libata scsi_transport_sas tg3 scsi_mod ehci_hcd uhci_hcd libphy usbcore nls_base thermal thermal_sys radeonfb fb_ddc i2c_algo_bit i2c_core
Dec 29 22:21:28 atf-124 kernel: [49041.614238]
Dec 29 22:21:28 atf-124 kernel: [49041.614238] Pid: 17208, comm: 
python2.3 Not tainted (2.6.32-5-xen-686 #1) PowerEdge T300
Dec 29 22:21:28 atf-124 kernel: [49041.614238] EIP: 0061:[<c1003b51>] EFLAGS: 00210282 CPU: 1
Dec 29 22:21:28 atf-124 kernel: [49041.614238] EIP is at set_aliased_prot+0x9e/0x10d
Dec 29 22:21:28 atf-124 kernel: [49041.614238] EAX: ffffffea EBX: f8c2b000 ECX: 70567063 EDX: 80000001
Dec 29 22:21:28 atf-124 kernel: [49041.614238] ESI: 00000000 EDI: 80000000 EBP: 00039e3b ESP: f5a3df08
Dec 29 22:21:28 atf-124 kernel: [49041.614238]  DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0069
Dec 29 22:21:28 atf-124 kernel: [49041.614238] Process python2.3 (pid: 17208, ti=f5a3c000 task=f492ea40 task.ti=f5a3c000)
Dec 29 22:21:28 atf-124 kernel: [49041.614238] Stack:
Dec 29 22:21:28 atf-124 kernel: [49041.614238]  80000001 70567063 00000163 f8c2b000 c2e56000 00000001 00000200 f8c2b000
Dec 29 22:21:28 atf-124 kernel: [49041.614238] <0> 00002000 f24978b4 c1003be2 f2497880 f492ea40 f2497880 c100b2ab f2497880
Dec 29 22:21:28 atf-124 kernel: [49041.614238] <0> f2497880 c103564a 00000000 c1038a8e f5aa98c0 c128e818 f5aa98c0 f492ea40
Dec 29 22:21:28 atf-124 kernel: [49041.614238] Call Trace:
Dec 29 22:21:28 atf-124 kernel: [49041.614238]  [<c1003be2>] ? xen_free_ldt+0x22/0x30
Dec 29 22:21:28 atf-124 kernel: [49041.614238]  [<c100b2ab>] ? destroy_context+0x38/0x79
Dec 29 22:21:28 atf-124 kernel: [49041.614238]  [<c103564a>] ? __mmdrop+0x1d/0x3a
Dec 29 22:21:28 atf-124 kernel: [49041.614238]  [<c1038a8e>] ? exit_mm+0xd5/0xdc
Dec 29 22:21:28 atf-124 kernel: [49041.614238]  [<c128e818>] ? _spin_lock_irq+0xb/0x21
Dec 29 22:21:28 atf-124 kernel: [49041.614238]  [<c103a237>] ? do_exit+0x1a3/0x5cd
Dec 29 22:21:28 atf-124 kernel: [49041.614238]  [<c1290598>] ? do_page_fault+0x2f1/0x307
Dec 29 22:21:28 atf-124 kernel: [49041.614238]  [<c103a6c0>] ? do_group_exit+0x5f/0x82
Dec 29 22:21:28 atf-124 kernel: [49041.614238]  [<c103a6f4>] ? sys_exit_group+0x11/0x14
Dec 29 22:21:28 atf-124 kernel: [49041.614238]  [<c1008ebb>] ? sysenter_do_call+0x12/0x28
Dec 29 22:21:28 atf-124 kernel: [49041.614238] Code: ea 0c c1 e0 0c 09 d1 09 c3 89 ca 89 d8 ff 15 8c fe 3c c1 31 f6 89 c1 8b 5c 24 0c 89 44 24 04 89 14 24 e8 73 e6 ff ff 85 c0 74 04 <0f> 0b eb fe 8b 54 24 10 89 e8 c1 e0 05 8b 04 10 c1 e8 1e  69 c0
Dec 29 22:21:28 atf-124 kernel: [49041.614238] EIP: [<c1003b51>] set_aliased_prot+0x9e/0x10d SS:ESP 0069:f5a3df08
Dec 29 22:21:28 atf-124 kernel: [49041.715932] ---[ end trace 0969558a522287f2 ]---
Dec 29 22:21:28 atf-124 kernel: [49041.716511] Fixing recursive fault but reboot is needed!

Bye,
Giuseppe




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