Re: IDE "lost interrupt" on SMP

From: Zdenek Kabelac (
Date: Thu Jul 26 2001 - 07:10:57 EST

Paul Flinders wrote:
> However I can't boot any SMP configured kernel. It gets as far as
> the partition check and then starts printing "hd<x>: lost interrupt"
> after than it proceeds _very_ slowly to print the partitions and
> then grinds to a halt as it tries to mount the root fs (I suspect that
> it hasn't actually crashed but that disk I/O is proceeding extremely
> slowly).
> Configuring the kernel for single processor works and boots OK
> - this is true for all the kernels (2.2.x and 2.4.x including 2.4.7)
> that I've tried.

I've been reporting this problem for years
(since day I've bought SMP board with two Celeron)

However noone seems to care - so you simply can't use SMP kernel
for monoprocessor system - unless Andre Hedric will consider this
is serious problem (simple test - boot SMP kernel on SMP
computer with cpu=1 or nosmp parameter)



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This archive was generated by hypermail 2b29 : Tue Jul 31 2001 - 21:00:26 EST