https://bugzilla.novell.com/show_bug.cgi?id=579932
https://bugzilla.novell.com/show_bug.cgi?id=579932#c46
--- Comment #46 from Andreas Nordal 2010-12-20 03:01:09 UTC ---
"acpi_skip_timer_override" did not help. However, each of "idle=nowait" and
"nohz=off" did, as suggested by
https://bugzilla.kernel.org/show_bug.cgi?id=15289
I found that report by following a chain of links starting from that BIOS
guide. I think this is on the right track: It describes hanging during
boot/shutdown, which I remember from OpenSUSE 11.2. My bisection suggested that
the ability to hang during boot was one of several distinctly appearing
vulnerabilities for this bug (malfunction of hpet).
Regarding this 2.6.35.9 fedora kernel, it apparently has the ability to resume
from hangs autonomously, because this bug is no longer apparent during desktop
usage. But the schedulability of rt-benchmark still sucks: I counted 8 hangs of
durability >0.1s within 400s.
If only BIOS upgrading was as easy as kernel bisecting...
I will need to ask Multicom if they have an upgrade.
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