[Bug 15799] New: hard freeze with 2.6.12-8-686-smp 8.13

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Ubuntu | linux

           Summary: hard freeze with 2.6.12-8-686-smp 8.13
           Product: Ubuntu
           Version: unspecified
          Platform: Other
        OS/Version: other
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: linux
        AssignedTo: ben.collins at ubuntu.com
        ReportedBy: desrt at desrt.ca
         QAContact: kernel-bugs at lists.ubuntu.com


After running 2.6.12-8.13 for a day and 9 hours 2.6.12-8.13 locked *solid* in
the middle of using it:

Prior to this my computer has been rock solid -- running for months at a time. 
I've yet to see a second crash but I suspect that the new kernel version is to
blame and I want to write this down ASAP.

Intel Pentium 4 3.0GHz (hyperthreading)
Asus P4P800-SE Mainboard
2GB RAM
250GB Serial ATA Disk
ATI Radeon 9600 w/ 256MB
Onboard Yukon Gigabit Ethernet (sk98lin driver)
Creative Audigy 2

I was just using my computer (reasonably heavily) flying between a number of
open Firefox windows, music playing, etc.... just stuff I normally do.  I wasn't
using cpufreq and powernowd wasn't running.

Some characteristics of the lockup:
music stopped dead
mouse stopped moving
ctrl+alt+f1 to switch to console doesn't work
ctrl+alt+backspace doesn't work
machine doesn't respond to pings


the last time I had a lockup like this was experimenting with CFQ in some
ancient kernel version.  Due to how badly the machine had crashed I am
completely unable to obtain any sort of log but presumably the crash is related
to a change between 8.12 and 8.13....

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