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Re: hard lock ups

Scott Henson wrote:


The past few days I have been experiencing some hard lock-ups on my
computer and I was wondering if anyone had an idea of what was going
on.  Basically the screen freezes and the caps lock and scroll lock
lights blink about once a second.  The box will not respond to anything
including network traffic.  I am using kernel 2.4.21-pre3-ac5, but it
also happens under 2.4.20 and a few others.  All I have in my logs is
this.

Feb  6 21:15:18 GreyGhost kernel: cdrom: This disc doesn't have any
tracks I recognize!
^D^@=^?8^@<D2>^B^@^@<9D>^@^@^@^@^@^@^@^P<82>8^@e^B^@^@<9D>^@^@^@^@^@^@^@v<84>8^@<CA>^A^@^@<9D>^@^@^@^@^@^@^@A
<86>8^@^M^B^@^@<9D>^@^@^@<93>^K^D^@O<88>8^@<FC>^B^@^@<9D>^@^@^@^@^@^@^@L<8B>8^@^X^C^@^@<9D>^@^@^@^@^@^@^@e<8E>8^@<FC>^B^@^@<9D>^@^@^@<F9>^K^D^@b<91>8^@<8C>^B^@^@<9D>^@^@^@<DA>^K^D^@<EF><93>8^@<EF>^A^@^@<9D>^@^@^@^S^K^D^@<DF><95>8^@<F7>^B^@^@<9D>^@^@^@^@^@^@^@<D7><98>8^@<FD>^D^@^@<9D>^@^@^@^@^@^@^@<D5><9D>8^@]^E^@^@<9D>^@^@^@^@^@^@^@3<A3>8^@g^D^@^@<9D>^@^@^@^@^@^@^@<9B><A7>8^@I^E^@^@Feb  6 23:57:46 GreyGhost kernel: klogd 1.4.1#11, log source = /proc/kmsg started.

I ran memtest86 on it and it came out clean through 9 passes.  Im pretty
much stumped on why it is doing this.  Does anyone have a clue.  Btw I
am running unstable. 
Thanks
P.S. please CC me as I am not subscribed.
If it happens fairly often (every 20 mins or so) you might try running Knoppix for a couple of hours to see if the lockups occur there also. If so, you know it's not in your particular software setup (i.e., it's a hardware problem).
I experienced similar lockups on a Gateway computer a few weeks ago with an eepro100 built-in NIC; turned out to be a bug in the NIC. I googled for the symptoms and found a couple of hits which pointed me this way. Turning off some "feature" (I don't remember which) in the NIC's PROM using a utility in the nictools-pci package fixed it, but I'm pretty sure my problem didn't generate any error logs concerning the cdrom (which may or may not be relevent in your case). 

Kent
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