On Sat, Mar 19, 2011 at 9:09 PM, Mohammed Shafi <shafi.wirel...@gmail.com> wrote: > On Mon, Mar 14, 2011 at 9:57 PM, Tony Houghton <h...@realh.co.uk> wrote: >> On Mon, 14 Mar 2011 11:53:42 +0530 >> Mohammed Shafi <shafi.wirel...@gmail.com> wrote: >> >>> On Mon, Mar 14, 2011 at 11:51 AM, Mohammed Shafi >>> <shafi.wirel...@gmail.com> wrote: >>> > >>> > not reproducible in 2.6.38-rc7-wl wireless testing under >>> > Ubuntu, dont know where i am missing. >>> > I tried suspend-resume with/without disabling network manager. no >>> > kernel lock ups. >>> > also attaching my wireless tesing .config which may be of some >>> > help. any ideas? >>> >>> also lspci -vvvnn looks the card we are using is same as yours? >>> >>> 05:00.0 Network controller [0280]: Atheros Communications Inc. AR9285 >>> Wireless Network Adapter (PCI-Express) [168c:002b] (rev 01) >>> Subsystem: Atheros Communications Inc. Device [168c:30a1] >>> Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- >>> ParErr- Stepping- SERR+ FastB2B- DisINTx- >>> Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- >>> <TAbort- <MAbort- >SERR- <PERR- INTx- >>> Latency: 0, Cache Line Size: 64 bytes >>> Interrupt: pin A routed to IRQ 19 >>> Region 0: Memory at f4800000 (64-bit, non-prefetchable) >>> [size=64K] Capabilities: <access denied> >>> Kernel driver in use: ath9k >>> Kernel modules: ath9k >> >> Here is my lspci output (it's the same for kernel 2.6.34 and 2.6.37) and >> the kernel configs for 2.6.34 (one of the most recent versions I >> compiled from git that doesn't crash) and 2.6.37 (Debian stock which >> does crash). >> >> > > Tony if you have time please try with the attached patch. Its > possibility of fixing your issue is very less. This patch does fixes a > kernel panic thing in another AR9285 card(fortunately the issue got > reproduced every time when i connect to an AP). > The difficult thing for me is to reproduce your issue. I can try > hard to reproduce your issue when I get some ample time. > Attached diff patch which you can try with your compat wireless with > the patch -p1 command.
FYI i got the following call trace in the netconsole when the system completely froze. if you can get some thing like that it can be helpful. 1 2 [ 191.320157] BUG: unable to handle kernel NULL pointer dereference at (null) 3 [ 191.320164] IP: [<fd2586d4>] ath_tx_start+0x474/0x770 [ath9k] 4 [ 191.320172] *pde = b9010067 5 [ 191.320176] Thread overran stack, or stack corrupted 6 [ 191.320179] Oops: 0000 [#1] SMP 7 [ 191.320185] last sysfs file: /sys/devices/pci0000:00/0000:00:19.0/net/eth0/carrier 8 [ 191.320188] Modules linked in: ath9k mac80211 ath9k_common ath9k_hw ath cfg80211 compat netconsole configfs binfmt_misc ppdev snd_hda_codec_conexant fbcon tileblit font b itblit softcursor vga16fb vgastate joydev arc4 pcmcia snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawm idi snd_seq_midi_event snd_seq i915 snd_timer uvcvideo drm_kms_helper snd_seq_device videodev v4l1_compat psmouse serio_raw yenta_socket rsrc_nonstatic tpm_tis tpm thinkpad_ acpi snd bluetooth drm tpm_bios nvram led_class pcmcia_core soundcore snd_page_alloc intel_agp i2c_algo_bit video output agpgart lp parport ohci1394 ieee1394 ahci e1000e [la st unloaded: compat] 9 [ 191.320294] 10 [ 191.320298] Pid: 0, comm: swapper Not tainted (2.6.32-25-generic #45-Ubuntu) 64756D6 11 [ 191.320301] EIP: 0060:[<fd2586d4>] EFLAGS: 00010246 CPU: 0 12 [ 191.320305] EIP is at ath_tx_start+0x474/0x770 [ath9k] 13 [ 191.320307] EAX: 00000000 EBX: 00000000 ECX: c0761b10 EDX: f0ddaa60 14 [ 191.320310] ESI: f0ddaa54 EDI: f29ad540 EBP: c0761aec ESP: c0761a90 15 [ 191.320313] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 16 [ 191.320316] Process swapper (pid: 0, ti=c0760000 task=c0766e80 task.ti=c0760000) 17 [ 191.320318] Stack: 18 [ 191.320320] 00000001 00000001 f229125c 30ddc82c 00000002 f0dd4fe0 0000001a 00000000 19 [ 191.320332] <0> f0dd59d8 f29ad578 f229125c f0ddaa60 f0dd4fe0 00000000 f21f88a0 c0761b10 20 [ 191.320345] <0> f0dd4fe0 f29ad540 c0761b24 c0761aec f0dd4fe0 f29ad540 c0761b24 c0761b30 21 [ 191.320358] Call Trace: 22 [ 191.320364] [<fd250ea7>] ? ath9k_tx+0xa7/0x200 [ath9k] 23 [ 191.320376] [<fd1ec7fc>] ? __ieee80211_tx+0x5c/0x1e0 [mac80211] 24 [ 191.320386] [<fd1edd2b>] ? ieee80211_tx+0x7b/0x90 [mac80211] 25 [ 191.320395] [<fd1edddd>] ? ieee80211_xmit+0x9d/0x1d0 [mac80211] 26 [ 191.320401] [<c014218f>] ? wake_up_state+0xf/0x20 27 [ 191.320405] [<c015dbc8>] ? signal_wake_up+0x28/0x40 28 [ 191.320410] [<c012a578>] ? default_spin_lock_flags+0x8/0x10 29 [ 191.320420] [<fd1ee308>] ? ieee80211_subif_start_xmit+0x2e8/0x7c0 [mac80211] 30 [ 191.320425] [<c058f905>] ? do_page_fault+0x295/0x3a0 31 [ 191.320431] [<c04c4a3d>] ? dev_hard_start_xmit+0x1ad/0x210 32 [ 191.320436] [<c04d96b5>] ? sch_direct_xmit+0x105/0x170 33 [ 191.320445] [<fd1f161a>] ? get_sta_flags+0x2a/0x40 [mac80211] 34 [ 191.320449] [<c04c780f>] ? dev_queue_xmit+0x37f/0x4b0 35 [ 191.320452] [<c04d75b0>] ? eth_header+0x0/0xb0 36 [ 191.320456] [<c04cc479>] ? neigh_resolve_output+0xe9/0x310 37 [ 191.320461] [<c053d295>] ? ip6_output_finish+0xa5/0x110 38 [ 191.320464] [<c053e354>] ? ip6_output2+0x134/0x250 39 [ 191.320468] [<c053f7dd>] ? ip6_output+0x6d/0x100 40 [ 191.320471] [<c0559665>] ? mld_sendpack+0x395/0x3e0 41 [ 191.320475] [<c0557f81>] ? add_grhead+0x31/0xa0 42 [ 191.320478] [<c055a83c>] ? mld_send_cr+0x1bc/0x2b0 43 [ 191.320482] [<c01535d9>] ? irq_exit+0x39/0x70 44 [ 191.320485] [<c055a940>] ? mld_ifc_timer_expire+0x10/0x40 45 [ 191.320489] [<c015b92e>] ? run_timer_softirq+0x13e/0x2c0 46 [ 191.320493] [<c0103a30>] ? common_interrupt+0x30/0x40 > thanks, > shafi > _______________________________________________ ath9k-devel mailing list ath9k-devel@lists.ath9k.org https://lists.ath9k.org/mailman/listinfo/ath9k-devel
