linux-kernel - Re: mmotm 2009-04-27-15-45 uploaded

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Message-ID: <25818.1240938876@turing-police.cc.vt.edu>
Date:	Tue, 28 Apr 2009 13:14:36 -0400
From:	Valdis.Kletnieks@...edu
To:	Andrew Morton <akpm@...ux-foundation.org>, yi.zhu@...el.com,
	reinette.chatre@...el.com
Cc:	linux-kernel@...r.kernel.org, mm-commits@...r.kernel.org,
	linux-wireless@...r.kernel.org
Subject: Re: mmotm 2009-04-27-15-45 uploaded - iwl3945 oops

On Mon, 27 Apr 2009 15:46:07 PDT, akpm@...ux-foundation.org said:
> The mm-of-the-moment snapshot 2009-04-27-15-45 has been uploaded to
> 
>    http://userweb.kernel.org/~akpm/mmotm/

Saw this while booting at home, out of range of any access points I was
configured to associate with (there *are* 4 APs owned by neighbors that I can
see via kismet, but wpa_supplicant isn't configured to use them).  Didn't
happen this morning at my office, when there's APs in range.

This didn't happen in mmotm-0424, so it's something new in the last few days.

[  519.180281] iwl3945 0000:0c:00.0: Error sending REPLY_SCAN_CMD: time out after 500ms.
[  519.680281] iwl3945 0000:0c:00.0: Error sending REPLY_TX_PWR_TABLE_CMD: time out after 500ms.
[  519.926455] ------------[ cut here ]------------
[  519.926461] WARNING: at net/mac80211/scan.c:282 warn_slowpath_null+0xd/0xf()
[  519.926465] Hardware name: Latitude D820                   
[  519.926476] BUG: unable to handle kernel NULL pointer dereference at (null)
[  519.926485] IP: [<ffffffff802384ff>] warn_slowpath_fmt+0x7d/0xd0
[  519.926494] PGD 7ead4067 PUD 7f8e3067 PMD 0 
[  519.926504] Oops: 0000 [#1] PREEMPT SMP 
[  519.926512] last sysfs file: /sys/devices/platform/dock.0/docked
[  519.926518] CPU 1 
[  519.926522] Modules linked in: sunrpc nvidia(P) [last unloaded: microcode]
[  519.926536] Pid: 649, comm: iwl3945 Tainted: P           2.6.30-rc3-mmotm0427 #1 Latitude D820                   
[  519.926541] RIP: 0010:[<ffffffff802384ff>]  [<ffffffff802384ff>] warn_slowpath_fmt+0x7d/0xd0
[  519.926551] RSP: 0018:ffff88007e7e3c70  EFLAGS: 00010286
[  519.926555] RAX: 0000000000000042 RBX: 000000000000011a RCX: 00000000ffffffff
[  519.926560] RDX: ffff8800010f1000 RSI: ffffffff8064d3b3 RDI: ffffffff80239038
[  519.926564] RBP: ffff88007e7e3dd0 R08: 0000000000000082 R09: 0000000000000000
[  519.926569] R10: 0000000000000005 R11: 0000000000000000 R12: ffffffff8082531c
[  519.926574] R13: 0000000000000000 R14: ffff88007e7e3c70 R15: ffff8800010f0100
[  519.926579] FS:  0000000000000000(0000) GS:ffff8800010f1000(0000) knlGS:0000000000000000
[  519.926584] CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
[  519.926589] CR2: 0000000000000000 CR3: 000000007ead5000 CR4: 00000000000006e0
[  519.926593] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  519.926598] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[  519.926604] Process iwl3945 (pid: 649, threadinfo ffff88007e7e2000, task ffff88007e794500)
[  519.926608] Stack:
[  519.926611]  6f6c735f6e726177 756e5f6874617077 302f6478302b6c6c ffffffff80006678
[  519.926620]  ffff880000000000 ffff88007f8008c0 ffff88007e7e3d20 0000000000000046
[  519.926631]  0000000000000002 0000000000000000 ffffffff8046e959 0000000000000000
[  519.926643] Call Trace:
[  519.926647]  [<ffffffff8046e959>] ? iwl_rx_queue_update_write_ptr+0x2d/0xd8
[  519.926657]  [<ffffffff80259a62>] ? trace_hardirqs_off_caller+0x1f/0xa2
[  519.926667]  [<ffffffff8064fd91>] ? _spin_unlock_irqrestore+0x5b/0x69
[  519.926677]  [<ffffffff8046e9f2>] ? iwl_rx_queue_update_write_ptr+0xc6/0xd8
[  519.926684]  [<ffffffff80473c3e>] ? iwl_bg_scan_completed+0x0/0x65
[  519.926692]  [<ffffffff8023855f>] warn_slowpath_null+0xd/0xf
[  519.926699]  [<ffffffff80612dc9>] ieee80211_scan_completed+0x4d/0x367
[  519.926709]  [<ffffffff80473c3e>] ? iwl_bg_scan_completed+0x0/0x65
[  519.926716]  [<ffffffff80473c76>] iwl_bg_scan_completed+0x38/0x65
[  519.926723]  [<ffffffff802488e0>] worker_thread+0x251/0x369
[  519.926731]  [<ffffffff80248887>] ? worker_thread+0x1f8/0x369
[  519.926738]  [<ffffffff8064fd70>] ? _spin_unlock_irqrestore+0x3a/0x69
[  519.926745]  [<ffffffff8024cb21>] ? autoremove_wake_function+0x0/0x34
[  519.926753]  [<ffffffff8024868f>] ? worker_thread+0x0/0x369
[  519.926760]  [<ffffffff8024c728>] kthread+0x55/0x80
[  519.926767]  [<ffffffff8020c1ba>] child_rip+0xa/0x20
[  519.926774]  [<ffffffff802305ac>] ? finish_task_switch+0x7f/0xc9
[  519.926782]  [<ffffffff8020bb80>] ? restore_args+0x0/0x30
[  519.926790]  [<ffffffff8024c6d3>] ? kthread+0x0/0x80
[  519.926796]  [<ffffffff8020c1b0>] ? child_rip+0x0/0x20
[  519.926802] Code: 77 a5 7b 80 31 c0 e8 98 4e 41 00 bf 05 00 00 00 e8 e7 ad 2a 00 48 85 c0 74 11 48 89 c6 48 c7 c7 92 a5 7b 80 31 c0 e8 78 4e 41 00 <41> 80 7d 00 00 74 23 48 8d 45 10 48 8d 75 90 48 89 45 98 c7 45 
[  519.926904] RIP  [<ffffffff802384ff>] warn_slowpath_fmt+0x7d/0xd0
[  519.926912]  RSP <ffff88007e7e3c70>
Apr 28 01:50:28 turing-police kernel: [  519.926915] CR2: 0000000000000000
Apr 28 01:50:28 turing-police kernel: [  519.926920] ---[ end trace 00d0bec46e95e015 ]---


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