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Re: 3.4-rc5: Oops in run_timer_softirq()

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No, still happens with new firmware (18.168.6.1) and 3.4-rc6.
Martin

Martin Mokrejs wrote:
> Hmm, linux-3.4-rc6 tells me some news about my v5 firmware. Will try to upgrade. The ACPI message
> is not new.
> 
> [   11.008565] ACPI Warning: 0x000000000000f040-0x000000000000f05f SystemIO conflicts with Region \_SB_.PCI0.SBUS.SMBI 1 (20120320/utaddress-251)
> [   11.008571] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver
> [   11.936175] Intel(R) Wireless WiFi Link AGN driver for Linux, in-tree:d
> [   11.936177] Copyright(c) 2003-2012 Intel Corporation
> [   11.936364] iwlwifi 0000:09:00.0: pci_resource_len = 0x00002000
> [   11.936366] iwlwifi 0000:09:00.0: pci_resource_base = ffffc90006684000
> [   11.936368] iwlwifi 0000:09:00.0: HW Revision ID = 0x34
> [   11.936462] iwlwifi 0000:09:00.0: irq 53 for MSI/MSI-X
> [   12.058300] iwlwifi 0000:09:00.0: request for firmware file 'iwlwifi-6000g2b-6.ucode' failed.
> [   12.137737] usb 1-1.5: usb auto-suspend, wakeup 0
> [   12.158653] iwlwifi 0000:09:00.0: Firmware has old API version, expected v6, got v5.
> [   12.158655] iwlwifi 0000:09:00.0: New firmware can be obtained from http://www.intellinuxwireless.org/.
> [   12.158657] iwlwifi 0000:09:00.0: loaded firmware version 17.168.5.2 build 35905
> [   12.158759] iwlwifi 0000:09:00.0: CONFIG_IWLWIFI_DEBUG enabled
> [   12.158761] iwlwifi 0000:09:00.0: CONFIG_IWLWIFI_DEBUGFS disabled
> [   12.158763] iwlwifi 0000:09:00.0: CONFIG_IWLWIFI_DEVICE_TRACING disabled
> [   12.158764] iwlwifi 0000:09:00.0: CONFIG_IWLWIFI_DEVICE_TESTMODE disabled
> [   12.158766] iwlwifi 0000:09:00.0: CONFIG_IWLWIFI_P2P disabled
> [   12.158768] iwlwifi 0000:09:00.0: Detected Intel(R) Centrino(R) Wireless-N 1030 BGN, REV=0xB0
> [   12.158816] iwlwifi 0000:09:00.0: L1 Disabled; Enabling L0S
> [   12.175752] iwlwifi 0000:09:00.0: device EEPROM VER=0x71a, CALIB=0x6
> [   12.175754] iwlwifi 0000:09:00.0: Device SKU: 0x150
> [   12.175756] iwlwifi 0000:09:00.0: Valid Tx ant: 0x1, Valid Rx ant: 0x3
> [   12.175768] iwlwifi 0000:09:00.0: Tunable channels: 13 802.11bg, 0 802.11a channels
> 
> Martin
> 
> Martin Mokrejs wrote:
>> Hi,
>>   I have enabled my wifi in the Dell Vostro 3550 laptop by the hardware button combination
>> Fn+F2 and disabled it back again after few seconds. The following crash happened, and is
>> quite reproducible. Is that to be fixed by the patch in 
>> "Re: Suspicious RCU usage in mac80211" thread from this email list?
>>
>> [  385.231175] BUG: unable to handle kernel NULL pointer dereference at           (null)
>> [  385.231226] IP: [<          (null)>]           (null)
>> [  385.231245] PGD 0 
>> [  385.231257] Oops: 0010 [#1] SMP 
>> [  385.231273] CPU 3 
>> [  385.231283] Modules linked in: iwlwifi i2c_i801 usb_storage
>> [  385.231308] 
>> [  385.231317] Pid: 0, comm: swapper/3 Not tainted 3.4.0-rc5-default #5 Dell Inc. Vostro 3550/0JGC48
>> [  385.231350] RIP: 0010:[<0000000000000000>]  [<          (null)>]           (null)
>> [  385.231383] RSP: 0018:ffff88041fb83e78  EFLAGS: 00010286
>> [  385.231402] RAX: ffff88041fb83eb0 RBX: 0000000000000100 RCX: 0000000000000838
>> [  385.231426] RDX: ffff88041fb83eb0 RSI: dead000000200200 RDI: 0000000000000000
>> [  385.231449] RBP: ffff88041fb83ef0 R08: ffff88041fb83eb8 R09: 0000000000000001
>> [  385.231480] R10: 0000000000000400 R11: ffffffff816074a5 R12: ffff88040f3b8000
>> [  385.231503] R13: ffff88040f3c1fd8 R14: ffff88041fb83eb0 R15: 0000000000000000
>> [  385.231526] FS:  0000000000000000(0000) GS:ffff88041fb80000(0000) knlGS:0000000000000000
>> [  385.231552] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>> [  385.231570] CR2: 0000000000000000 CR3: 0000000001913000 CR4: 00000000000407e0
>> [  385.231592] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>> [  385.231614] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
>> [  385.231638] Process swapper/3 (pid: 0, threadinfo ffff88040f3c0000, task ffff88040f3bd350)
>> [  385.231663] Stack:
>> [  385.231673]  ffffffff81083f91 ffff88040f3c1fd8 ffff88040f3b9c20 ffff88040f3b9820
>> [  385.231702]  ffff88040f3b9420 ffff88040f3b9020 0000000000000000 ffff88041fb83eb0
>> [  385.231730]  ffff88041fb83eb0 ffffffff81043e21 ffffffff8190c088 ffff88040f3c1fd8
>> [  385.231759] Call Trace:
>> [  385.231770]  <IRQ> 
>> [  385.231784]  [<ffffffff81083f91>] ? run_timer_softirq+0x191/0x223
>> [  385.231806]  [<ffffffff81043e21>] ? lapic_next_event+0x10/0x14
>> [  385.231827]  [<ffffffff8107fbcc>] __do_softirq+0x83/0x10d
>> [  385.231846]  [<ffffffff810ae18f>] ? tick_program_event+0x1f/0x21
>> [  385.231869]  [<ffffffff815e2a8c>] call_softirq+0x1c/0x30
>> [  385.231889]  [<ffffffff8102e042>] do_softirq+0x33/0x69
>> [  385.231907]  [<ffffffff8107fe05>] irq_exit+0x3f/0x9a
>> [  385.231926]  [<ffffffff8104417c>] smp_apic_timer_interrupt+0x77/0x85
>> [  385.231948]  [<ffffffff815e2307>] apic_timer_interrupt+0x67/0x70
>> [  385.231967]  <EOI> 
>> [  385.231979]  [<ffffffff8109a149>] ? wake_up_process+0x10/0x12
>> [  385.231999]  [<ffffffff810aebce>] ? tick_nohz_idle_exit+0x135/0x13c
>> [  385.232020]  [<ffffffff81033fcd>] cpu_idle+0x78/0x7f
>> [  385.232039]  [<ffffffff815daf6b>] start_secondary+0x18f/0x193
>> [  385.232057] Code:  Bad RIP value.
>> [  385.232075] RIP  [<          (null)>]           (null)
>> [  385.232093]  RSP <ffff88041fb83e78>
>> [  385.232107] CR2: 0000000000000000
>> [  385.232309] [drm] Changing LVDS panel from (-hsync, -vsync) to (+hsync, -vsync)
>> [  385.593328] ---[ end trace e3eed09b44fc9be3 ]---
>>
>>
>>
>> 09:00.0 Network controller: Intel Corporation Centrino Wireless-N 1030 (rev 34)
>>         Subsystem: Intel Corporation Centrino Wireless-N 1030 BGN
>>         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 53
>>         Region 0: Memory at f7e00000 (64-bit, non-prefetchable) [size=8K]
>>         Capabilities: [c8] Power Management version 3
>>                 Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+)
>>                 Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
>>         Capabilities: [d0] MSI: Enable+ Count=1/1 Maskable- 64bit+
>>                 Address: 00000000fee003f8  Data: 0000
>>         Capabilities: [e0] Express (v1) Endpoint, MSI 00
>>                 DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <512ns, L1 unlimited
>>                         ExtTag- AttnBtn- AttnInd- PwrInd- RBE+ FLReset+
>>                 DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported-
>>                         RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop+ FLReset-
>>                         MaxPayload 128 bytes, MaxReadReq 128 bytes
>>                 DevSta: CorrErr+ UncorrErr- FatalErr- UnsuppReq+ AuxPwr+ TransPend-
>>                 LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM L0s L1, Latency L0 <4us, L1 <32us
>>                         ClockPM+ Surprise- LLActRep- BwNot-
>>                 LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk+
>>                         ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
>>                 LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-
>>         Capabilities: [100 v1] Advanced Error Reporting
>>                 UESta:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
>>                 UEMsk:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
>>                 UESvrt: DLP+ SDES- TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt- RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol-
>>                 CESta:  RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr+
>>                 CEMsk:  RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr+
>>                 AERCap: First Error Pointer: 00, GenCap- CGenEn- ChkCap- ChkEn-
>>         Capabilities: [140 v1] Device Serial Number 4c-80-93-ff-ff-15-e6-c7
>>         Kernel driver in use: iwlwifi
>>         Kernel modules: iwlwifi
>> 00: 86 80 8a 00 06 00 10 00 34 00 80 02 10 00 00 00
>> 10: 04 00 e0 f7 00 00 00 00 00 00 00 00 00 00 00 00
>> 20: 00 00 00 00 00 00 00 00 00 00 00 00 86 80 25 53
>> 30: 00 00 00 00 c8 00 00 00 00 00 00 00 0a 01 00 00
>> 40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>> 50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>> 60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>> 70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>> 80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>> 90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>> a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>> b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>> c0: 00 00 00 00 00 00 00 00 01 d0 23 c8 00 00 00 0d
>> d0: 05 e0 81 00 f8 03 e0 fe 00 00 00 00 00 00 00 00
>> e0: 10 00 01 00 c0 8e 00 10 00 08 19 00 11 ec 06 00
>> f0: 40 00 11 10 00 00 00 00 00 00 00 00 00 00 00 00
>>
>>
>> Thanks,
>> Martin
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>>
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