RE: kondemand: kernel BUG at kernel/workqueue.c:258!

From: Pallipadi, Venkatesh
Date: Thu Nov 29 2007 - 16:53:24 EST




>-----Original Message-----
>From: Jiri Slaby [mailto:jirislaby@xxxxxxxxx]
>Sent: Thursday, November 29, 2007 1:43 PM
>To: Pallipadi, Venkatesh; Nakajima, Jun
>Cc: Linux kernel mailing list
>Subject: kondemand: kernel BUG at kernel/workqueue.c:258!
>
>Hi,
>
>while trying to evoke another bug by endlessly change
>governors, this appeared:
>kernel BUG at .../kernel/workqueue.c:258!
>invalid opcode: 0000 [1] PREEMPT SMP
>CPU 0
>Modules linked in: iwl3945 mac80211 cfg80211 tun
>cpufreq_userspace rfcomm
>l2cap hci_usb bluetooth kvm_intel arc4 ecb blkcipher kvm cryptomgr
>crypto_algapi acpi_cpufreq fglrx(P) asus_laptop sr_mod cdrom ehci_hcd
>uhci_hcd battery
>Pid: 443, comm: kondemand/0 Tainted: P 2.6.23 #38
>RIP: 0010:[<ffffffff802484ba>] [<ffffffff802484ba>]
>run_workqueue+0xca/0x120
>RSP: 0000:ffff81003ff3bea0 EFLAGS: 00010283
>RAX: ffff81003fc08200 RBX: ffff810001e0a300 RCX: 0000000000000000
>RDX: ffff810001e0a300 RSI: ffff81003ff3bed0 RDI: ffff81003fc08180
>RBP: ffff81003fc08180 R08: ffff81003ff3a000 R09: 0000000000000000
>R10: 0000003a18d529f0 R11: 0000000000000001 R12: ffff810001e0a2f8
>R13: ffffffff803c7160 R14: ffff81003fc08188 R15: 0000000000000000
>FS: 0000000000000000(0000) GS:ffffffff805db000(0000)
>knlGS:0000000000000000
>CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b
>CR2: 0000003a18a9afa0 CR3: 000000002e431000 CR4: 00000000000026e0
>DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
>Process kondemand/0 (pid: 443, threadinfo ffff81003ff3a000, task
>ffff81003fe67560)
>Stack: ffff81003fc08198 ffff81003fc08180 ffffffff80249060
>ffff81003fc08188
> 0000000000000000 ffffffff80249125 0000000000000000 ffff81003fe67560
> ffffffff8024cb20 ffff81003ff3bee8 ffff81003ff3bee8 00000000fffffffc
>Call Trace:
> [<ffffffff80249060>] worker_thread+0x0/0x130
> [<ffffffff80249125>] worker_thread+0xc5/0x130
> [<ffffffff8024cb20>] autoremove_wake_function+0x0/0x30
> [<ffffffff80249060>] worker_thread+0x0/0x130
> [<ffffffff80249060>] worker_thread+0x0/0x130
> [<ffffffff8024c71b>] kthread+0x4b/0x80
> [<ffffffff8020cbb8>] child_rip+0xa/0x12
> [<ffffffff8021fff0>] flat_send_IPI_mask+0x0/0x70
> [<ffffffff8024c6d0>] kthread+0x0/0x80
> [<ffffffff8020cbae>] child_rip+0x0/0x12
>
>
>Code: 0f 0b eb fe 66 90 65 48 8b 34 25 00 00 00 00 48 c7 c7 10 98
>RIP [<ffffffff802484ba>] run_workqueue+0xca/0x120
> RSP <ffff81003ff3bea0>
>

Kernel version?

Thanks,
Venki
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