Re: 3.1.0+ (Linus GIT tree) - BUG: scheduling while atomic:cat/3303/0x00000102

[Guy, Wey-Yi]

 Please try following patch

thanks
Wey

On Sat, 2011-10-29 at 19:03 -0700, Miles Lane wrote:
> iwlwifi 0000:03:00.0: Error sending POWER_TABLE_CMD: time out after 2000ms.
> iwlwifi 0000:03:00.0: Current CMD queue read_ptr 150 write_ptr 151
> iwlwifi 0000:03:00.0: set power fail, ret = -110
> cfg80211: Calling CRDA to update world regulatory domainBUG:
> scheduling while atomic: cat/3303/0x00000102
> cfg80211: World regulatory domain updated:
> cfg80211:     (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
> cfg80211:     (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
> cfg80211:     (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)
> cfg80211:     (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)
> cfg80211:     (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
> cfg80211:     (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
> iwlwifi 0000:03:00.0: Queue 4 stuck for 2000 ms.
> iwlwifi 0000:03:00.0: Current read_ptr 150 write_ptr 151
> ------------[ cut here ]------------
> WARNING: at drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c:998
> iwl_trans_pcie_send_cmd+0x34a/0x34f [iwlwifi]()
> Hardware name: UL50VT
> Modules linked in: snd_hrtimer rfcomm bnep bluetooth parport_pc
> parport ipv6 snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel
> snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm
> snd_seq_dummy uvcvideo snd_seq_oss videodev v4l2_compat_ioctl32
> snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer iwlwifi
> snd_seq_device psmouse mac80211 snd cfg80211 soundcore snd_page_alloc
> evdev battery asus_laptop sparse_keymap rfkill ac power_supply
> processor sr_mod sg cdrom atl1c thermal
> Pid: 3303, comm: cat Not tainted 3.1.0+ #20
> Call Trace:
>  <IRQ>  [<ffffffff81036974>] warn_slowpath_common+0x7e/0x96
>  [<ffffffff810369a1>] warn_slowpath_null+0x15/0x17
>  [<ffffffffa017f04c>] iwl_trans_pcie_send_cmd+0x34a/0x34f [iwlwifi]
>  [<ffffffff812d0afe>] ? dev_err+0x4e/0x50
>  [<ffffffffa0174dd1>] iwl_cmd_echo_test+0x35/0x65 [iwlwifi]
>  [<ffffffffa0174e45>] iwl_check_stuck_queue+0x44/0x6c [iwlwifi]
>  [<ffffffffa0174eb9>] iwl_bg_watchdog+0x4c/0xb8 [iwlwifi]
>  [<ffffffff8104406b>] run_timer_softirq+0x227/0x35b
>  [<ffffffff81043f8d>] ? run_timer_softirq+0x149/0x35b
>  [<ffffffffa0174e6d>] ? iwl_check_stuck_queue+0x6c/0x6c [iwlwifi]
>  [<ffffffff8103ca37>] __do_softirq+0x129/0x24c
>  [<ffffffff814128ec>] call_softirq+0x1c/0x30
>  [<ffffffff810030bd>] do_softirq+0x38/0x83
>  [<ffffffff8103cdcb>] irq_exit+0x58/0xc8
>  [<ffffffff81018894>] smp_apic_timer_interrupt+0x76/0x84
>  [<ffffffff81411170>] apic_timer_interrupt+0x70/0x80
>  <EOI>  [<ffffffff81404f89>] ? __slab_alloc.isra.62.constprop.72+0x208/0x21a
>  [<ffffffff811c769c>] ? aa_alloc_task_context+0x2d/0x3b
>  [<ffffffff810f6e01>] ? getname_flags+0x2c/0x1db
>  [<ffffffff811c769c>] ? aa_alloc_task_context+0x2d/0x3b
>  [<ffffffff810f6e01>] ? getname_flags+0x2c/0x1db
>  [<ffffffff810f6e01>] ? getname_flags+0x2c/0x1db
>  [<ffffffff810e8cd0>] kmem_cache_alloc+0x4f/0x136
>  [<ffffffff810f6e01>] getname_flags+0x2c/0x1db
>  [<ffffffff810f886e>] user_path_at+0x26/0x91
>  [<ffffffff810e8e69>] ? kmem_cache_alloc_trace+0xb2/0xc4
>  [<ffffffff811c7700>] ? aa_dup_task_context+0x22/0x4a
>  [<ffffffff811cb568>] ? apparmor_cred_prepare+0x31/0x40
>  [<ffffffff8105aefd>] ? get_cred+0x22/0x29
>  [<ffffffff8105af76>] ? override_creds+0x72/0x87
>  [<ffffffff810ec85a>] sys_faccessat+0xa0/0x182
>  [<ffffffff811fe51e>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>  [<ffffffff810ec94f>] sys_access+0x13/0x15
>  [<ffffffff8141063b>] system_call_fastpath+0x16/0x1b
> ---[ end trace 4974270bf412e95a ]---
> BUG: scheduling while atomic: cat/3303/0x00000102
> 1 lock held by cat/3303:
>  #0:  (&priv->watchdog){+.-...}, at: [<ffffffff81043f8d>]
> run_timer_softirq+0x149/0x35b
> Modules linked in: snd_hrtimer rfcomm bnep bluetooth parport_pc
> parport ipv6 snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel
> snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm
> snd_seq_dummy uvcvideo snd_seq_oss videodev v4l2_compat_ioctl32
> snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer iwlwifi
> snd_seq_device psmouse mac80211 snd cfg80211 soundcore snd_page_alloc
> evdev battery asus_laptop sparse_keymap rfkill ac power_supply
> processor sr_mod sg cdrom atl1c thermal
> CPU 0
> Modules linked in: snd_hrtimer rfcomm bnep bluetooth parport_pc
> parport ipv6 snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel
> snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm
> snd_seq_dummy uvcvideo snd_seq_oss videodev v4l2_compat_ioctl32
> snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer iwlwifi
> snd_seq_device psmouse mac80211 snd cfg80211 soundcore snd_page_alloc
> evdev battery asus_laptop sparse_keymap rfkill ac power_supply
> processor sr_mod sg cdrom atl1c thermal
> Pid: 3303, comm: cat Tainted: G        W   3.1.0+ #20 ASUSTeK Computer
> Inc.         UL50VT              /UL50VT    Oct 29 19:35:03 localhost
> kernel: [ 3785.923634] RIP: 0010:[<ffffffff81404f89>]
> [<ffffffff81404f89>] __slab_alloc.isra.62.constprop.72+0x208/0x21a
> RSP: 0018:ffff88011ed1bd18  EFLAGS: 00000296
> RAX: ffff8801189e93a0 RBX: ffff88013709c600 RCX: 0000000000000000
> RDX: 000000000000ab92 RSI: 0000000000000001 RDI: ffff8801189e93a0
> RBP: ffff88011ed1bda8 R08: 0000000000000000 R09: 0000000000000000
> R10: 0000000000000001 R11: 0000000000000001 R12: ffff88013709d610
> R13: 0000000000000007 R14: 0000000100070001 R15: ffffffff810f6e01
> FS:  0000000000000000(0000) GS:ffff88013fc00000(0000) knlGS:0000000000000000
> CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> CR2: 000000000060aed0 CR3: 000000011ed6f000 CR4: 00000000000406f0
> DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
> Process cat (pid: 3303, threadinfo ffff88011ed1a000, task ffff8801189e93a0)
> Stack:
>  ffffffff811c769c 0000000100160013 0000000000000009 ffffffff810f6e01
>  ffffffff811c769c ffff880112fe69d8 ffff88011ed1bd88 ffff8801189e93a0
>  0000000000000246 0000000000000080 00000000000000d0 ffffffff810f6e01
> Call Trace:
>  [<ffffffff811c769c>] ? aa_alloc_task_context+0x2d/0x3b
>  [<ffffffff810f6e01>] ? getname_flags+0x2c/0x1db
>  [<ffffffff811c769c>] ? aa_alloc_task_context+0x2d/0x3b
>  [<ffffffff810f6e01>] ? getname_flags+0x2c/0x1db
>  [<ffffffff810f6e01>] ? getname_flags+0x2c/0x1db
>  [<ffffffff810e8cd0>] kmem_cache_alloc+0x4f/0x136
>  [<ffffffff810f6e01>] getname_flags+0x2c/0x1db
>  [<ffffffff810f886e>] user_path_at+0x26/0x91
>  [<ffffffff810e8e69>] ? kmem_cache_alloc_trace+0xb2/0xc4
>  [<ffffffff811c7700>] ? aa_dup_task_context+0x22/0x4a
>  [<ffffffff811cb568>] ? apparmor_cred_prepare+0x31/0x40
>  [<ffffffff8105aefd>] ? get_cred+0x22/0x29
>  [<ffffffff8105af76>] ? override_creds+0x72/0x87
>  [<ffffffff810ec85a>] sys_faccessat+0xa0/0x182
>  [<ffffffff811fe51e>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>  [<ffffffff810ec94f>] sys_access+0x13/0x15
>  [<ffffffff8141063b>] system_call_fastpath+0x16/0x1b
> Code: 00 48 89 03 e8 0f 3a ce ff c7 43 20 ff ff ff ff 41 f7 c6 00 02
> 00 00 75 0a 41 56 9d e8 9f 07 c6 ff eb 08 e8 bb 20 c6 ff 41 56 9d
> Call Trace:
>  [<ffffffff811c769c>] ? aa_alloc_task_context+0x2d/0x3b
>  [<ffffffff810f6e01>] ? getname_flags+0x2c/0x1db
>  [<ffffffff811c769c>] ? aa_alloc_task_context+0x2d/0x3b
>  [<ffffffff810f6e01>] ? getname_flags+0x2c/0x1db
>  [<ffffffff810f6e01>] ? getname_flags+0x2c/0x1db
>  [<ffffffff810e8cd0>] kmem_cache_alloc+0x4f/0x136
>  [<ffffffff810f6e01>] getname_flags+0x2c/0x1db
>  [<ffffffff810f886e>] user_path_at+0x26/0x91
>  [<ffffffff810e8e69>] ? kmem_cache_alloc_trace+0xb2/0xc4
>  [<ffffffff811c7700>] ? aa_dup_task_context+0x22/0x4a
>  [<ffffffff811cb568>] ? apparmor_cred_prepare+0x31/0x40
>  [<ffffffff8105aefd>] ? get_cred+0x22/0x29
>  [<ffffffff8105af76>] ? override_creds+0x72/0x87
>  [<ffffffff810ec85a>] sys_faccessat+0xa0/0x182
>  [<ffffffff811fe51e>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>  [<ffffffff810ec94f>] sys_access+0x13/0x15
>  [<ffffffff8141063b>] system_call_fastpath+0x16/0x1b
> iwlwifi 0000:03:00.0: HCMD_ACTIVE already clear for command REPLY_ECHO

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