[SOLVED] Win7 x86 SP1 BSOD'ing for quite a long time

P

Pablo

Well-known member
Joined
May 9, 2014
Posts
73
Location
Argentina
Wonderful people, here's another case for you to enjoy:

Changed AV, updated chipset and video drivers, ran chkdsk, sfc, memtest and installed all window's updates... but this spoiled girl still fails...
I've uploaded a kernel dump (here) and many minidumps (here).

Clues?

Thanks in advance
 
Code: 
kd> .bugcheck
Bugcheck code 0000001A
Arguments 00041790 c0802742 0000ffff 00000000

x86 system, neat.

Code: 
kd> dt nt!_MMPFN c0802742

Symbol nt!_MMPFN not found.

The symbol server has been having some problems lately from what I've read, so there's not much we can do here other than take educated guesses.

Code: 
kd> knL
 # ChildEBP RetAddr  
00 a1ea3b40 82af31f2 nt!MiDeleteVirtualAddresses+0x41a
01 a1ea3c10 82b12df3 nt!MiRemoveMappedView+0x325
02 a1ea3c40 82cc0317 nt!MmCleanProcessAddressSpace+0x199
03 a1ea3cb4 82cd4303 nt!PspExitThread+0x685
04 a1ea3ccc 82b04ae0 nt!PsExitSpecialApc+0x22
05 a1ea3d1c 82a90ac0 nt!KiDeliverApc+0x28b
06 a1ea3d1c 77d071b4 nt!KiServiceExit+0x64
WARNING: Frame IP not in any known module. Following frames may be wrong.
07 01cbff88 00000000 0x77d071b4

The stack shows the delivery of an APC, and when exiting the thread of said APC and cleaning addresses space by removing mapped views and deleting VA's, we bug check. This is pretty memory heavy work, so probably bad RAM.

How long are you running memtest for, and are you running Memtest86+, not just regular Memtest?
 
Memtest 86+ ran for about hour and a half...
Don't remember exactly which version of memtest+ I ran, it's the included on Hiren's boot cd v13.2
 
86+ is correct, and so long as it's the latest version, it shouldn't matter.

Run it for at least eight hours, not just one and a half. The further the test goes on, the harder the iterations hit. It shouldn't fail under those stress conditions during that time frame with functioning memory.
 
Right on target Patrick, there was a failing RAM stick. After 4 hours memtest detected errors. Perfectly working now with new RAM.

Thanks a lot for your expertise and will to share it!

Greetings,

Pablo
 

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