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Date: Tue, 9 Dec 2008 12:37:30 +0530
From: Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>
To: tony.luck@...el.com
Cc: sfr@...b.auug.org.au, linux-next@...r.kernel.org,
LKML <linux-kernel@...r.kernel.org>, linux-ia64@...r.kernel.org
Subject: next-20081104 - kernel panic on ia64 box, at
__mutex_lock_interruptible_slowpath
Hi Tony,
next-20081204 kernel panic's, while booting up on ia64 box. This panic
was not reproducible with the latest next-20081208 kernel.
VFS: Mounted root (cramfs filesystem) readonly.
Unable to handle kernel NULL pointer dereference (address 0000000000000000)
swapper[1266]: Oops 8804682956800 [1]
Modules linked in:
Pid: 1266, CPU 4, comm: swapper
psr : 00001010085a6010 ifs : 800000000000060d ip : [<a0000001007f73d0>] Not tainted (2.6.28-rc7-next-20081204-autokern1)
ip is at __mutex_lock_interruptible_slowpath+0x70/0x220
unat: 0000000000000000 pfs : 000000000000060d rsc : 0000000000000000
rnat: e303ca0717d84d54 bsps: 52f9f686bedfb255 pr : 101026600565a559
ldrs: 0000000000000000 ccv : 0000000000000000 fpsr: 0009804c8a70433f
csd : 0000000000000000 ssd : 0000000000000000
b0 : a0000001007f7390 b6 : a0000001004a2880 b7 : a0000001004d55c0
f6 : 1003e0000000000000000 f7 : 1003e0000000000000020
f8 : 1003e0000000000000800 f9 : 1003e0000000000010000
f10 : 1003e0000000000000800 f11 : 1003e0000000000000020
r1 : a000000100e88990 r2 : e000001303f97d30 r3 : e0000006443d0100
r8 : 0000000000000000 r9 : e000001304432aa0 r10 : e0000006443d0000
r11 : 0000000000000000 r12 : e000001303f97d10 r13 : e000001303f90000
r14 : 0000000000000000 r15 : 0000000000000000 r16 : ffffffffffffffff
r17 : e000001303f97d20 r18 : a000000100c5ef20 r19 : 0000000000000000
usb 2-1: new low speed USB device using uhci_hcd and address 2
r20 : a000000100c5ef50 r21 : e000001303f800c0 r22 : ffffffdfffffffff
r23 : e000001303f801de r24 : 0000000000000001 r25 : 000000000000001a
r26 : e00000130318401b r27 : 0000000000000000 r28 : 0000000010ee2419
r29 : 0000000010ee2419 r30 : 0000000000000000 r31 : e0000006443d00f4
Call Trace:
[<a0000001000155a0>] show_stack+0x80/0xa0
sp=e000001303f978e0 bsp=e000001303f91178
[<a000000100015ea0>] show_regs+0x880/0x8c0
sp=e000001303f97ab0 bsp=e000001303f91120
[<a00000010003dca0>] die+0x1a0/0x300
sp=e000001303f97ab0 bsp=e000001303f910d8
[<a0000001007fff20>] ia64_do_page_fault+0x8a0/0xba0
sp=e000001303f97ab0 bsp=e000001303f91078
[<a00000010000bfa0>] ia64_native_leave_kernel+0x0/0x270
sp=e000001303f97b40 bsp=e000001303f91078
[<a0000001007f73d0>] __mutex_lock_interruptible_slowpath+0x70/0x220
sp=e000001303f97d10 bsp=e000001303f91010
[<a0000001007f7630>] mutex_lock_interruptible+0x30/0x60
sp=e000001303f97d30 bsp=e000001303f90fe8
[<a0000001004d56b0>] uart_open+0xf0/0xa60
sp=e000001303f97d30 bsp=e000001303f90f58
[<a00000010049ace0>] tty_open+0x4a0/0xc20
sp=e000001303f97d60 bsp=e000001303f90ec0
[<a00000010018f2e0>] chrdev_open+0x1c0/0x380
sp=e000001303f97d70 bsp=e000001303f90e78
[<a000000100183b20>] __dentry_open+0x5c0/0x6a0
sp=e000001303f97d80 bsp=e000001303f90e00
[<a000000100183ca0>] nameidata_to_filp+0xa0/0xc0
sp=e000001303f97d80 bsp=e000001303f90dd0
[<a0000001001a3050>] do_filp_open+0x310/0x12e0
sp=e000001303f97d80 bsp=e000001303f90d10
usb 2-1: configuration #1 chosen from 1 choice
[<a000000100183290>] do_sys_open+0x90/0x200
sp=e000001303f97e30 bsp=e000001303f90cc0
[<a0000001001834d0>] sys_open+0x50/0x80
sp=e000001303f97e30 bsp=e000001303f90c68
input: LITE-ON Technology USB NetVista Full Width Keyboard. as /class/input/input1
[<a0000001009c82b0>] do_linuxrc+0xb0/0x120
sp=e000001303f97e30 bsp=e000001303f90c48
[<a000000100013710>] kernel_thread_helper+0xd0/0x100
sp=e000001303f97e30 bsp=e000001303f90c20
[<a00000010000a4c0>] start_kernel_thread+0x20/0x40
sp=e000001303f97e30 bsp=e000001303f90c20
kjournald starting. Commit interval 5 seconds
EXT3-fs: mounted filesystem with ordered data mode.
VFS: Mounted root (ext3 filesystem) readonly.
Trying to move old root to /initrd ... <6>generic-usb 0003:04B3:3025.0001: input: USB HID v1.10 Keyboard [LITE-ON Technology USB NetVista Full Width Keyboard.] on usb-0000:00:05.3-1/input0
okay
Freeing unused kernel memory: 1760kB freed
BUG: soft lockup - CPU#0 stuck for 61s! [swapper:1]
Modules linked in:
Modules linked in:
Pid: 1, CPU 0, comm: swapper
psr : 00001010085a6010 ifs : 8000000000000000 ip : [<a00000010000a500>] Tainted: G D (2.6.28-rc7-next-20081204-autokern1)
ip is at ia64_spinlock_contention+0x20/0x60
unat: 0000000000000000 pfs : 0000000000000081 rsc : 0000000000000003
rnat: 0000000000000000 bsps: 0000000000000000 pr : 1810264469655559
ldrs: 0000000000000000 ccv : 0000000000000000 fpsr: 0009804c8a70433f
csd : 0930ffff000f0000 ssd : 0930ffff00000000
b0 : a0000001007f7390 b6 : a0000001007fa020 b7 : a0000001004d55c0
f6 : 1003e0000000000400000 f7 : 1003e0000000000000000
f8 : 1003e0000000028000000 f9 : 1003e0000000c5d145160
f10 : 1003eee8b2cb700000000 f11 : 1003e0000000000000001
r1 : a000000100e88990 r2 : 000000000000060d r3 : e00000064309001c
r8 : 0000000000000000 r9 : e000001304432aa0 r10 : e0000006443d0000
r11 : 0000000000000000 r12 : e000000643097d00 r13 : e000000643090000
r14 : 0000000000000000 r15 : e000001304432a00 r16 : 0000000000000000
r17 : 0000000000000000 r18 : a000000100c5ef20 r19 : 0000000000000000
r20 : a000000100c5ef50 r21 : e000001303f800c0 r22 : e000001304432aa0
r23 : 0000000000500002 r24 : e000000600005398 r25 : fffffffffffff000
r26 : a00000010049a840 r27 : 0000000000000000 r28 : e000000644516020
r29 : 0000000000000200 r30 : 0000000000000001 r31 : e0000006443d00f4
Call Trace:
[<a0000001000155a0>] show_stack+0x80/0xa0
sp=e000000643097960 bsp=e000000643091340
[<a000000100015ea0>] show_regs+0x880/0x8c0
sp=e000000643097b30 bsp=e0000006430912e8
[<a0000001000f8770>] softlockup_tick+0x2b0/0x3a0
sp=e000000643097b30 bsp=e000000643091290
[<a0000001000af920>] run_local_timers+0x40/0x60
sp=e000000643097b30 bsp=e000000643091278
[<a0000001000af980>] update_process_times+0x40/0xc0
sp=e000000643097b30 bsp=e000000643091248
[<a00000010003d800>] timer_interrupt+0x1c0/0x4c0
sp=e000000643097b30 bsp=e0000006430911e0
[<a0000001000f8a90>] handle_IRQ_event+0x90/0x120
sp=e000000643097b30 bsp=e0000006430911a8
[<a0000001000f8c70>] __do_IRQ+0x150/0x440
sp=e000000643097b30 bsp=e000000643091148
[<a0000001000129b0>] ia64_handle_irq+0x410/0x440
sp=e000000643097b30 bsp=e0000006430910c8
[<a00000010000bfa0>] ia64_native_leave_kernel+0x0/0x270
sp=e000000643097b30 bsp=e0000006430910c8
[<a00000010000a500>] ia64_spinlock_contention+0x20/0x60
sp=e000000643097d00 bsp=e0000006430910c8
[<a0000001007fa020>] _spin_lock+0x40/0x60
sp=e000000643097d00 bsp=e0000006430910c0
[<a0000001007f7390>] __mutex_lock_interruptible_slowpath+0x30/0x220
sp=e000000643097d00 bsp=e000000643091060
[<a0000001007f7630>] mutex_lock_interruptible+0x30/0x60
sp=e000000643097d20 bsp=e000000643091040
[<a0000001004d56b0>] uart_open+0xf0/0xa60
sp=e000000643097d20 bsp=e000000643090fa8
[<a00000010049ace0>] tty_open+0x4a0/0xc20
sp=e000000643097d50 bsp=e000000643090f10
[<a00000010018f2e0>] chrdev_open+0x1c0/0x380
sp=e000000643097d60 bsp=e000000643090ec8
[<a000000100183b20>] __dentry_open+0x5c0/0x6a0
sp=e000000643097d70 bsp=e000000643090e50
[<a000000100183ca0>] nameidata_to_filp+0xa0/0xc0
sp=e000000643097d70 bsp=e000000643090e28
[<a0000001001a3050>] do_filp_open+0x310/0x12e0
sp=e000000643097d70 bsp=e000000643090d60
[<a000000100183290>] do_sys_open+0x90/0x200
sp=e000000643097e20 bsp=e000000643090d10
[<a0000001001834d0>] sys_open+0x50/0x80
sp=e000000643097e20 bsp=e000000643090cb8
[<a00000010000a980>] init_post+0x80/0x220
sp=e000000643097e20 bsp=e000000643090c98
[<a0000001009c0640>] kernel_init+0x420/0x440
sp=e000000643097e20 bsp=e000000643090c48
[<a000000100013710>] kernel_thread_helper+0xd0/0x100
sp=e000000643097e30 bsp=e000000643090c20
[<a00000010000a4c0>] start_kernel_thread+0x20/0x40
sp=e000000643097e30 bsp=e000000643090c20
--
Thanks & Regards,
Kamalesh Babulal,
Linux Technology Center,
IBM, ISTL.
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