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Old 04-07-2005, 09:56 PM   #1
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Registered: Apr 2005
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NMI, Machine check errors=bad hard drive?

ok, so I just rebuilt my system after a bad incident with a melting ATX power connection on my motherboard, so I built a new system using an AMD 64 2800, an msi K8N neo mobo and an enermax psu, using the old hard drives, WD 20gb and 60gb, and the old memory (512 megs DDR 266). Anyway, I kept my old windows XP installation on the big hard drive, which managed all the hardware changes pretty well. After I had windows up and running I tried installing gentoo (2005.1) on the other drive, but when I ran hdparm or tried to mount any partitions I got this:

Uhhuh. NMI received. Dazed and confused, but trying to continue.
NMI: IOCK error (debug interrupt)

hdb: dma_intr: status=0x51 (drive ready seek complete error)

and then more strings of numbers which I didn't completely write down but it's easy enough to reproduce so I can provide if anyone needs them. after this the system hanged and I had to reboot.

After that I tried running an ubuntu hoary live CD, and got this error when it tried to load the volume manager:

cpu 0: Machine check exception 4 bank 4: b200000000070f0f TSC4b3b565cd1
kernel panic - not syncing

so I switched around some of the ide cables and the ubuntu live cd booted up and worked fine, but the gentoo cd still had the same problem. I ran memtest86 and didn't get any errors, so I downloaded the WD hard drive diagnostic tools and tried running them on the second hard drive in windows, only to get a Blue screen with a machine check exception error. So at this point i'm assuming I have a bad hard drive but since it worked fine before I rebuilt the system I don't want to chuck it just yet. I'm also hoping it's not the cpu or the psu since they are brand new, and windows seems to be running fine with them (no other errors or BSODs besides when running the HD diagnostics). If anyone could help me shed some light on all this, I would appreciate it, and if anyone needs any more detail on the error messages i'll post them.
Old 04-08-2005, 08:59 PM   #2
Robert G. Hays
Registered: Jan 2003
Location: Atlanta, Ga., USA
Distribution: Gentoo, Mandrake, ~others
Posts: 157

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I had something similar -- apend "ide=nodma" to your lilo/grub line for the kernel, that was what fixed it for me.



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