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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