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    SubjectRe: Fw: Kernel panic in 2.6.36-rc4 after suspend/resume
    Date
    On Saturday, September 18, 2010, Josh Cartwright wrote:
    > <Forwarding to relevant maintainers (get_maintainer.pl -f net/mac80211/agg-tx.c)>
    >
    > From: vaibhav agarwal <vaibhav_agrwal@yahoo.co.in>
    > Subject: Re: Kernel panic in 2.6.36-rc4 after suspend/resume
    > Date: Sat, 18 Sep 2010 15:09:29 +0530 (IST)
    > To: linux-kernel@vger.kernel.org
    > X-Mailer: YahooMailRC/497 YahooMailWebService/0.8.105.279950
    >
    > Hi,
    >
    > I am using kernel 2.6.34-rc4 directly taken from kernel.org. After suspend to
    > ram if I leave it for few hours and resume then kernel panic happens (screen of
    > death). If I suspend and resume immediately then it works fine.
    >
    > I have hand copied the message and attached in this mail. Let me know what other
    >
    >
    > information is needed from my side.
    > I can file bug in kernel bugzilla if needed.

    Yes, please.

    > As per kernel oops docs, I am sending a mail here.
    >
    > (Its a intel Dual Core machine)

    I think that sta_addba_resp_timer_expired() is a red herring. More likely the
    problem is related to cpuidle. Apparently, the suspend-resume cycle causes
    the ACPI cpuidle driver to malfunction.

    Thanks,
    Rafael


    > Modules linked in: btusb i915 drm_kms_helper drm i2c_algo_bit sco acpi_cpufreq
    > mperf rfcomm bnep cpufreq_powersave l2cap crc16 bluetooth cpufreq_userspace
    > cpufreq_conservative cpufreq_stats nfsd exportfs nfs lockd fscache nfs_acl
    > auth_rpcgss sunrpc aes_1586 aes_generic fuse loop arc4 ecb ath9k mac80211
    > snd_hda_codec_intelhdmi ath9k common snd_hda_codec_realtek ath9k_hw ath
    > snd_hda_codec snd_hwdep cfg90211 snd_pcm_oss snd_mixer_oss snd_pcm intel_agp
    > snd_seq_midi jmb38x_ms uvcvideo videodev snd_rawmidi snd_seq_midi_event joydev
    > v4l1_compat rfkill memstick snd_seq shpchp evdev tpm_tis tpm agppart tpm_bios
    > video battery processor ac snd_timer snd_seq_device psmouse snd serio_raw pcspkr
    > i2c_i801 i2c_core soundcore pci_hotplug output snd_page_alloc wmi button ext3
    > jbd mbcache sg sr_mod cdrom crc_t10dif uhci_hcd ahci libahci libata ehci_hcd
    > sdhci_pci sdhci atl1e thermal mmc_core led_class scsi_mod thermal_sys usbcore
    > nls_base [last unloaded: scsi_wait_scan]
    >
    > Pid: 0, comm: swapper Not tainted 2.6.36-rc4-custom #18 Aspire 4736Z /Aspire
    > 4736Z
    > EIP: 0060:[<f83de653>] Eflags: 00010206 CPU: 0
    > EIP is ay sta_addba_resp_timer_expired+0x17/0x28 [max80211]
    > EAX: f4b8ff6c EBS: f36b7848 ECX: 052f0000 EDX: 00000094
    > ESI: c04fd340 EDI: 00000001 EBP: 00000100 ESP: c0431eec
    > DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
    > Process swapper (pid: 0, ti=c0430000 task=c043ff20 task.ti=c0430000)
    > Stack:
    > c013908f c0431f0c f83de63c c04fdb50 c04fdd50 c04fdf50 c04fe150 f4b901a0
    > <0> c0431f0c c0431f0c 00000046 00000004 00000001 00000100 c0133eb4 00000001
    > <0> 0000000a c0435a04 c04c1dec 00000000 00000046 00000000 00000000 c0431f70
    > Call Trace:
    > [<c013908f>] ? run_timer_softirq+0x16f/0x213
    > [<f83de63c>] ? sta_addba_resp_timer_expired+0x0/0x28 [mac80211]
    > [<c0133eb4>] ? __do_softirq+0xb1/0x156
    > [<c0133f87>] ? do_softirq+0x2e/0x38
    > [<c0134085>] ? irq_exit+0x26/0x58
    > [<c01043d0>] ? do_IRQ+0x7d/0x8e
    > [<c01033a9>] ? common_interrupt+0x29/0x30
    > [<f8534f9d>] ? acpi_idle_enter_simple+0xec/0x129 [processor]
    > [<c02b34ae>] ? cpuidle_idle_call+0x77/0xd5
    > [<c01021c6>] ? cpu_idle+0x49/0x8b
    > [<c046883e>] ? start_kernel+0x2d4/0x2d7
    > Code: e8 2f c4 f7 c7 eb 05 bd ea ff ff ff 5e 89 e8 5b 5e 5f 5d c3 0f b6 10 29 d0
    > 2d a0 01 00 00 8d 8c 90 4c 01 00 00 8b 09 85 c9 74 10 <f6> 41 4c 02 75 0a 05 b0
    > 01 00 00 e9 5f ff ff ff c3 55 89 cd 57
    > EIP: [<f83de653>] sta_addba_resp_expired+0x17/0x28 [max80211] SS:ESP
    > 0068:c0431eec
    > CR2: 00000000052f004c
    > ---[ end trace c7cc1d8c9381c37c ]---
    > Kernel panic - not syncing: Fatal exception in interrupt
    > Pid: 0, comm: swapper Tainted: G D 2.6.36-rc4-custom #18
    > Call Trace:
    > [<c03591ba>] ? panic+0x4d/0x13a
    > [<c0105692>] ? oops_end+0x8e/0x99
    > [<c011d6c4>] ? no_context+0x10d/0x116
    > [<c011da13>] ? do_page_fault+0x0/0x24d
    > [<c011d7d2>] ? bad_area_nosemaphore+0xa/0xc
    > [<c035b316>] ? error_code+0x5a/0x60
    > [<c011da13>] ? do_page_fault+0x0/0x24d
    > [<f83de653>] ? sta_addba_resp_timer_expired+0x17/0x28 [mac80211]
    > [<c013908f>] ? run_timer_softirq+0x16f/0x213
    >


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