Holger Kipp wrote:
Hi,
I currently encounter
spin lock 0xc0c83ba8 (sio) held by 0xc6337460 (tid 100005) too long
panic: spin lock held too long
cpuid=3
on hp server with two dual-core intel xeon (3.8GHz) and 3GB RAM.
System is 7.1-PRELEASE last fetched 29.11.2008, 17:58 UTC.
This happens with VSCom Card that was previously in use in a
5.3-STABLE system (also hp server, but older hardware) without
problems. The card is a 8-port serial card using puc0 and puc1
with 4 ports each.
Interestingly, problem seems to occur only if sendfax is using
devices attache to puc1. Works without problems at the moment
with sendfax only using puc0-sios. See dmesg below.
Any ideas what might be causing this, or is this even related
to kern/121322, 118044 or 117913?
Enable WITNESS in your kernel and try to reproduce the problem. It
should give additional information about the condition leading to the
deadlock.
Kris
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