On Sat, 11 Aug 2007 15:39:30 +0300 (EEST) "Ilpo Järvinen" <[email protected]> wrote:
> I noticed that v2.6.23-rc1 locks up during boot, same thing happens now
> with the latest linus' tree (+net-2.6.24 and tcp-2.6 tree stuff on top
> of it; in -rc1 test they weren't though). The exact location of hang
> varies a bit though. No OOPS, does not respond to sysrq or anything else
> besides reset. Last known bootable one is something like 2.6.22-rc4
> (I usually run 2.6.21.5 on this machine, haven't tried any 2.6.22 on
> this after those rcs). Problem seems to start after this line:
>
> Time: acpi_pm clocksource has been installed.
>
> ...the power led starts blinking (not periodic cycle but more or less
> varying on-off cycle, never seen that led blink before at all, didn't know
> that one can make it blink :-)) and the machine gets consideably slower
> too. Never have it been able to complete booting all they way up to login
> prompt before lock up.
>
> Tried with acpi=off, boots just fine (dmesg comes from it). I can take
A hang a short-but-variable period after a clocksource was installed: probably
means that the kernel wedged on the first clock interrupt.
I'd expect 2.6.22 to work OK. It's a little unexpected that the bug was added
after 2.6.22: a number of these reports have narrowed down to the patchset which
added dynticks and clockevents, but that was already in 2.6.22.
It'd be great if you could run a git bisection search please.
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