2008-12-01 11:09:53

by Johannes Berg

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Subject: 11d segfault

Dec 1 12:07:00 johannes kernel: [ 193.370168] Unable to handle kernel paging request for data at address 0x00000000
Dec 1 12:07:00 johannes kernel: [ 193.370180] Faulting instruction address: 0xf2794560
Dec 1 12:07:00 johannes kernel: [ 193.370194] Oops: Kernel access of bad area, sig: 11 [#1]
Dec 1 12:07:00 johannes kernel: [ 193.370196] PREEMPT PowerMac
Dec 1 12:07:00 johannes kernel: [ 193.370200] Modules linked in: ...
Dec 1 12:07:00 johannes kernel: [ 193.370266] NIP: f2794560 LR: f27944fc CTR: 00000000
Dec 1 12:07:00 johannes kernel: [ 193.370270] REGS: eed15ce0 TRAP: 0300 Not tainted (2.6.28-rc6-wl-dirty)
Dec 1 12:07:00 johannes kernel: [ 193.370273] MSR: 00009032 <EE,ME,IR,DR> CR: 22000048 XER: 20000000
Dec 1 12:07:00 johannes kernel: [ 193.370283] DAR: 00000000, DSISR: 40000000
Dec 1 12:07:00 johannes kernel: [ 193.370286] TASK = ef145640[1049] 'phy0' THREAD: eed14000
Dec 1 12:07:00 johannes kernel: [ 193.370289] GPR00: 00000000 eed15d90 ef145640 eed15d38 22222222 00000000 eed15d48 37d38608
Dec 1 12:07:00 johannes kernel: [ 193.370299] GPR08: 37d38600 00000000 c03f97e0 f279bda0 82000044 00000000 00000000 00000000
Dec 1 12:07:00 johannes kernel: [ 193.370309] GPR16: 00000000 41400000 01400000 017f4bb4 017f42c0 00000000 c03f9400 c04264e8
Dec 1 12:07:00 johannes kernel: [ 193.370319] GPR24: c03f9438 00000000 f279c410 eecaa080 f279bd8c f27a0000 ec44a0d6 00000006
Dec 1 12:07:00 johannes kernel: [ 193.370346] NIP [f2794560] regulatory_hint_11d+0x98/0x14c [cfg80211]
Dec 1 12:07:00 johannes kernel: [ 193.370352] LR [f27944fc] regulatory_hint_11d+0x34/0x14c [cfg80211]
Dec 1 12:07:00 johannes kernel: [ 193.370355] Call Trace:
Dec 1 12:07:00 johannes kernel: [ 193.370361] [eed15d90] [f27944fc] regulatory_hint_11d+0x34/0x14c [cfg80211] (unreliable)
Dec 1 12:07:00 johannes kernel: [ 193.370418] [eed15dd0] [f27f7adc] ieee80211_rx_mgmt_beacon+0x1a8/0x1ec [mac80211]
Dec 1 12:07:00 johannes kernel: [ 193.370432] [eed15e80] [f27f86f4] ieee80211_sta_rx_queued_mgmt+0x150/0x344 [mac80211]
Dec 1 12:07:00 johannes kernel: [ 193.370446] [eed15f40] [f27f8970] ieee80211_sta_work+0x88/0x260 [mac80211]
Dec 1 12:07:00 johannes kernel: [ 193.370455] [eed15f60] [c0047120] run_workqueue+0xc0/0x164
Dec 1 12:07:00 johannes kernel: [ 193.370460] [eed15f90] [c0047544] worker_thread+0xb0/0x134
Dec 1 12:07:00 johannes kernel: [ 193.370468] [eed15fd0] [c004bb24] kthread+0x50/0x88
Dec 1 12:07:00 johannes kernel: [ 193.370473] [eed15ff0] [c0013cf4] kernel_thread+0x4c/0x68
Dec 1 12:07:00 johannes kernel: [ 193.370476] Instruction dump:
Dec 1 12:07:00 johannes kernel: [ 193.370481] 38210040 7c0803a6 4e800020 881e0002 3b200001 2f800049 419e0014 6800004f
Dec 1 12:07:00 johannes kernel: [ 193.370493] 7c000034 5400d97e 5419083c 813dc410 <80090000> 2f800000 409effb8 7fc3f378
Dec 1 12:07:00 johannes kernel: [ 193.374781] ---[ end trace d7369ca97f593d84 ]---


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2008-12-01 19:34:15

by Johannes Berg

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Subject: Re: 11d segfault

On Mon, 2008-12-01 at 16:26 +0100, Marcel Holtmann wrote:
> Hi Johannes,
>
> > Dec 1 12:07:00 johannes kernel: [ 193.370168] Unable to handle kernel paging request for data at address 0x00000000
> > Dec 1 12:07:00 johannes kernel: [ 193.370180] Faulting instruction address: 0xf2794560
> > Dec 1 12:07:00 johannes kernel: [ 193.370194] Oops: Kernel access of bad area, sig: 11 [#1]
>
> are you running kerneloops? If not, please do so :)

Heh, I don't think you want to see all the ways I manage to crash my
machine ;)

johannes


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2008-12-01 19:03:26

by Luis R. Rodriguez

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Subject: Re: 11d segfault

On Mon, Dec 1, 2008 at 3:09 AM, Johannes Berg <[email protected]> wrote:
> Dec 1 12:07:00 johannes kernel: [ 193.370168] Unable to handle kernel paging request for data at address 0x00000000
> Dec 1 12:07:00 johannes kernel: [ 193.370180] Faulting instruction address: 0xf2794560
> Dec 1 12:07:00 johannes kernel: [ 193.370194] Oops: Kernel access of bad area, sig: 11 [#1]
> Dec 1 12:07:00 johannes kernel: [ 193.370196] PREEMPT PowerMac
> Dec 1 12:07:00 johannes kernel: [ 193.370200] Modules linked in: ...
> Dec 1 12:07:00 johannes kernel: [ 193.370266] NIP: f2794560 LR: f27944fc CTR: 00000000
> Dec 1 12:07:00 johannes kernel: [ 193.370270] REGS: eed15ce0 TRAP: 0300 Not tainted (2.6.28-rc6-wl-dirty)
> Dec 1 12:07:00 johannes kernel: [ 193.370273] MSR: 00009032 <EE,ME,IR,DR> CR: 22000048 XER: 20000000
> Dec 1 12:07:00 johannes kernel: [ 193.370283] DAR: 00000000, DSISR: 40000000
> Dec 1 12:07:00 johannes kernel: [ 193.370286] TASK = ef145640[1049] 'phy0' THREAD: eed14000
> Dec 1 12:07:00 johannes kernel: [ 193.370289] GPR00: 00000000 eed15d90 ef145640 eed15d38 22222222 00000000 eed15d48 37d38608
> Dec 1 12:07:00 johannes kernel: [ 193.370299] GPR08: 37d38600 00000000 c03f97e0 f279bda0 82000044 00000000 00000000 00000000
> Dec 1 12:07:00 johannes kernel: [ 193.370309] GPR16: 00000000 41400000 01400000 017f4bb4 017f42c0 00000000 c03f9400 c04264e8
> Dec 1 12:07:00 johannes kernel: [ 193.370319] GPR24: c03f9438 00000000 f279c410 eecaa080 f279bd8c f27a0000 ec44a0d6 00000006
> Dec 1 12:07:00 johannes kernel: [ 193.370346] NIP [f2794560] regulatory_hint_11d+0x98/0x14c [cfg80211]
> Dec 1 12:07:00 johannes kernel: [ 193.370352] LR [f27944fc] regulatory_hint_11d+0x34/0x14c [cfg80211]
> Dec 1 12:07:00 johannes kernel: [ 193.370355] Call Trace:
> Dec 1 12:07:00 johannes kernel: [ 193.370361] [eed15d90] [f27944fc] regulatory_hint_11d+0x34/0x14c [cfg80211] (unreliable)

What is regulatory_hint_11d+0x34 ?

Luis

2008-12-01 15:26:40

by Marcel Holtmann

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Subject: Re: 11d segfault

Hi Johannes,

> Dec 1 12:07:00 johannes kernel: [ 193.370168] Unable to handle kernel paging request for data at address 0x00000000
> Dec 1 12:07:00 johannes kernel: [ 193.370180] Faulting instruction address: 0xf2794560
> Dec 1 12:07:00 johannes kernel: [ 193.370194] Oops: Kernel access of bad area, sig: 11 [#1]

are you running kerneloops? If not, please do so :)

Regards

Marcel