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Random Reboot issues (was Anyone else having random reboots with Firefox)

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Carol Haynes:
Right - I bought a 25m (yes 25m !) CAT6 cable and I know have my PCs Gigabit networked and the dodgy Wifi adapter is gone.

All running nicely (at the moment) ... I have lots of crossed fingers, toes, eyes, legs etc.

Hopefully I will be able to get on with something useful - rather than feeding a PC CDs for days on end!

Yeah seems there is much bloat in XP, though it's nice to have the drivers installed if don't have the net.

I think all one needs on the xp cd is xp.
Then their should be a separate cd for extra drivers.
Plus they can almost always be downloaded.

I have a boatload of drivers that I'll probably never use, just taking up space.

Carol Haynes:
OK phase two of sorting out random reboots (I should change the title of this thread!):

Had my system running for nearly 3 days continuously (day and night) without any problem and was very relieved - but now I am confused as I got up this morning to find it had rebooted during the night.

The good part is that I now have a minidump and a STOP code from the event logs.

Event Type:   Information
Event Source:   Save Dump
Event Category:   None
Event ID:   1001
Date:      17/03/2008
Time:      05:37:03
User:      N/A
Computer:   LAIRDSWOOD
The computer has rebooted from a bugcheck.  The bugcheck was: 0x1000007e (0xc0000005, 0xb890aa1a, 0xbad07528, 0xbad07224). A dump was saved in: C:\WINDOWS\Minidump\Mini031708-01.dmp.

For more information, see Help and Support Center at

Loading dump file C:\WINDOWS\Minidump\Mini031708-01.dmp
----- 32 bit Kernel Mini Dump Analysis

MajorVersion        0000000f
MinorVersion        00000a28
DirectoryTableBase  0b0d8020
PfnDataBase         81e00000
PsLoadedModuleList  8055c700
PsActiveProcessHead 80562818
MachineImageType    0000014c
NumberProcessors    00000002
BugCheckCode        1000007e
BugCheckParameter1  c0000005
BugCheckParameter2  b890aa1a
BugCheckParameter3  bad07528
BugCheckParameter4  bad07224
PaeEnabled          00000001
KdDebuggerDataBlock 8054c2e0
MiniDumpFields      00000dff

ServicePackBuild      00000200
SizeOfDump            00010000
ValidOffset           0000fffc
ContextOffset         00000320
ExceptionOffset       000007d0
MmOffset              00001068
UnloadedDriversOffset 000010a0
PrcbOffset            00001878
ProcessOffset         000024c8
ThreadOffset          00002728
CallStackOffset       00002980
SizeOfCallStack       00000a74
DriverListOffset      00003688
DriverCount           000000b8
StringPoolOffset      00006d28
StringPoolSize        000019f0
BrokenDriverOffset    00000000
TriageOptions         00000141
TopOfStack            bad0758c
DebuggerDataOffset    000033f8
DebuggerDataSize      00000290
DataBlocksOffset      00008718
DataBlocksCount       00000006

Windows XP Kernel Version 2600 (Service Pack 2) MP (2 procs) Free x86 compatible

Kernel base = 0x804d7000 PsLoadedModuleList = 0x8055c700
Debug session time: Mon Mar 17 05:35:20 2008
System Uptime: 0 days 11:36:11
start    end        module name
804d7000 806e2000   nt             Checksum: 001FB950  Timestamp: Wed Feb 28 09:15:54 2007 (45E5484A)

Unloaded modules:
a2818000 a2843000   kmixer.sys    Timestamp: unavailable (00000000)
a2818000 a2843000   kmixer.sys    Timestamp: unavailable (00000000)
a2818000 a2843000   kmixer.sys    Timestamp: unavailable (00000000)
a2818000 a2843000   kmixer.sys    Timestamp: unavailable (00000000)
a2818000 a2843000   kmixer.sys    Timestamp: unavailable (00000000)
a2818000 a2843000   kmixer.sys    Timestamp: unavailable (00000000)
aede9000 aee14000   kmixer.sys    Timestamp: unavailable (00000000)
bae62000 bae64000   MSPCLOCK.sys    Timestamp: unavailable (00000000)
bade8000 badea000   MSPQM.sys    Timestamp: unavailable (00000000)
aede9000 aee14000   kmixer.sys    Timestamp: unavailable (00000000)
aeeb4000 aeedf000   kmixer.sys    Timestamp: unavailable (00000000)
b0481000 b04ac000   kmixer.sys    Timestamp: unavailable (00000000)
baeea000 baeeb000   drmkaud.sys    Timestamp: unavailable (00000000)
b1e67000 b1e92000   kmixer.sys    Timestamp: unavailable (00000000)
b2062000 b206f000   DMusic.sys    Timestamp: unavailable (00000000)
b1e92000 b1eb5000   aec.sys     Timestamp: unavailable (00000000)
b2072000 b2080000   swmidi.sys    Timestamp: unavailable (00000000)
badea000 badec000   splitter.sys    Timestamp: unavailable (00000000)
ba978000 ba981000   processr.sys    Timestamp: unavailable (00000000)
b88a5000 b88a9000   kbdhid.sys    Timestamp: unavailable (00000000)
babc0000 babc5000   Cdaudio.SYS    Timestamp: unavailable (00000000)
b88a9000 b88ac000   Sfloppy.SYS    Timestamp: unavailable (00000000)

Finished dump check

--- End quote ---

The strange thing is I seem to have conflicting issues described by the STOP code and the minidump !!!

The STOP code is 0x1000007e which points to an issue with machines with 2Gb+ of memory-
--- End quote ---
and seems most likely to relate to a 'USB Racing" issue to do with devices trying to go in and out of their power saving suspend state. This would make some sense as I have an external USB hard disc connected that does that all the time (and it drives me nuts as there doesn't seem to be a way to stop it doing it). It would also explain why the system is so much more stable without the USB WiFi adapter. It is somewhat odd though that the only reference I can find to that stop code relates to usbhub.sys but that driver isn't even mentioned in the minidump.

However the MINIDUMP (above) seem to suggest it is related to KMIXER.SYS. Strangely there is a KB article related to a random reboot issue and KMIXER with a hotfix that replaces 3 driver files. On of those files doesn't match the byte count suggested by the MS article, even after replacing it with the hotfix - having said that the version number is identical.

Could some kind person running Windows XP Pro SP2 check their file size for the following file:


mine says 6400 bytes whereas MS suggest that it should be 6272 bytes.

I have five different copies of SPLITTER.SYS on my system:

They are all apparently the same version but the first one is 6272 bytes and all the others are 6400 bytes - can I just replace the one in drivers with the 6272 byte version and reboot? [Edit: Just calculated the MD5 checksums on the files - interesting that there seem to be 3 versions]


Mine was 6400 bytes long and the version was 5.1.2600.2929

Carol Haynes:
Thanks - much appreciated.

Actually I found (mentioned previously in these boards but I hadn't noticed it  :-[) which lets you put the md5 value and search for the file - all the files are legitimate - one is from SP2 RC 1, one is from SP2 RTM and the other three are the current version!

At least I know I haven't got a rootkit or something lurking in those files!

I think the next step is to remove all my sound card drivers and try reinstalling them again from scratch!


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