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    SubjectRe: mmotm 2009-04-27-15-45 uploaded - iwl3945 oops
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    Date
    On Mon, 27 Apr 2009 15:46:07 PDT, akpm@linux-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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