|08 Jan 2014||#1|
BSOD - Windbg shows issue is with WLAN adaptor (I think)
Hi, I'm troubleshooting a BSOD on my daughter's Lenovo B575.
First crack involved using Windbg to analyze the dump file and it indicated a possible problem with a driver but that more info was required. I then enabled and ran verifier.exe to collect additional driver info and waited for the next BSOD.
Once it happened again (which is almost always on startup or resume of the laptop) I again analyzed the new dump file with windbg.
Unless I am reading the windbg info wrong, it seems to be a problem with the wireless driver. I searched for a new driver for the adapter in use hoping to get a newer version which fixes the problem but on Lenovos site the one they have available is actually older than the one in use. Here is the relevant info:
WLAN adapter in use on the laptop:
Atheros AR9285 Wireless Network Adaptor
Driver Date 12-08-2010
Driver Version 22.214.171.1244
Lenovos website for this driver shows
126.96.36.1999 is most current
Atheros AR9283/AR9285 Wireless LAN Driver
That alone is a head scratcher as to why the laptop has a newer version. Do I remove the current and install the older version
Here is the latest Windbg output:
Unable to load image \SystemRoot\system32\DRIVERS\athrx.sys, Win32 error 0n2
*** WARNING: Unable to verify timestamp for athrx.sys
*** ERROR: Module load completed but symbols could not be loaded for athrx.sys
Probably caused by : vwififlt.sys ( vwififlt!AcquireSpinLock+52 )
1: kd> !analyze -v
* Bugcheck Analysis *
A device driver attempting to corrupt the system has been caught. This is
because the driver was specified in the registry as being suspect (by the
administrator) and the kernel has enabled substantial checking of this driver.
If the driver attempts to corrupt the system, bugchecks 0xC4, 0xC1 and 0xA will
be among the most commonly seen crashes.
Arg1: 0000000000000040, Acquiring a spinlock at IRQL < DISPATCH_LEVEL.
Arg2: 0000000000000000, Current IRQL
Arg3: fffff9800ba88378, Spinlock address
LAST_CONTROL_TRANSFER: from fffff800033133dc to fffff80002e89c40
fffff880`0a3ec998 fffff800`033133dc : 00000000`000000c4 00000000`00000040 00000000`00000000 fffff980`0ba88378 : nt!KeBugCheckEx
fffff880`0a3ec9a0 fffff800`033241af : fffffa80`069dfb60 fffff800`02eb55db fffff880`0a3ec9f0 fffffa80`069dfb60 : nt!VerifierBugCheckIfAppropriate+0x3c
fffff880`0a3ec9e0 fffff880`03b82032 : 00000000`00000246 fffff980`0ba88328 00000000`00000001 fffff880`0a3ecce8 : nt!VerifierKeAcquireSpinLockAtDpcLevel+0xa0
fffff880`0a3eca40 fffff880`03b7e8f3 : 00000000`00000000 00000000`00000001 00000000`00000001 fffff800`02f46803 : vwififlt!AcquireSpinLock+0x52
fffff880`0a3eca70 fffff880`014df4f7 : fffffa80`051e81a0 fffff980`0b648ed0 fffff980`0b648ed0 00000000`00000001 : vwififlt!FilterReceiveNetBufferLists+0x8b
fffff880`0a3ecad0 fffff880`040bd999 : fffffa80`051e8050 fffff800`0302a260 fffffa80`069dfb60 fffff980`aad24fc0 : ndis! ?? ::FNODOBFM::`string'+0xcf1f
fffff880`0a3ecb20 fffffa80`051e8050 : fffff800`0302a260 fffffa80`069dfb60 fffff980`aad24fc0 00000000`00000001 : athrx+0x1e999
fffff880`0a3ecb28 fffff800`0302a260 : fffffa80`069dfb60 fffff980`aad24fc0 00000000`00000001 00000000`00000000 : 0xfffffa80`051e8050
fffff880`0a3ecb30 fffffa80`069dfb60 : fffff980`aad24fc0 00000000`00000001 00000000`00000000 00000000`00000000 : nt!ExWorkerQueue
fffff880`0a3ecb38 fffff980`aad24fc0 : 00000000`00000001 00000000`00000000 00000000`00000000 00000000`00000000 : 0xfffffa80`069dfb60
fffff880`0a3ecb40 00000000`00000001 : 00000000`00000000 00000000`00000000 00000000`00000000 fffff980`0b648ed0 : 0xfffff980`aad24fc0
fffff880`0a3ecb48 00000000`00000000 : 00000000`00000000 00000000`00000000 fffff980`0b648ed0 00000001`00000001 : 0x1
fffff880`03b82032 eb09 jmp vwififlt!AcquireSpinLock+0x5d (fffff880`03b8203d)
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