Maxim Sobolev <[EMAIL PROTECTED]> writes:
> It's not an ata specific problem, but rather a problem of all ISA
> devices (I have an ISA based ata controller).

I don't think it has anything to do with ISA. I've had similar
problems on a PCI-only system (actually, PCI+EISA motherboard with no
EISA cards) with no ATA devices (disks, CD-ROM and streamer are all

Considering that backing out rev 1.14 of ithread.c eliminates the
panics, and that that revision is supposed to enable interrupt thread
preemption, and that the crashed kernels show signs of stack smashing,
I'd say the cause is probably a bug in the preemption code.

Dag-Erling Smorgrav - [EMAIL PROTECTED]

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