On Mon, May 7, 2012 at 7:40 AM, Martin Mokrejs <mmokrejs@xxxxxxxxxxxxxxxxxx> 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? Did you mean linux-wireless (cc'd)? I don't see any PCI issue here. > [ 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 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-pci" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
