On Sun, Jan 13, 2008 at 08:10:46AM -0500, Andrew Paprocki wrote: > I applied the patch to my 2.6.23.13 tree and upon reboot it stopped right > after: > > Clocksource tsc unstable (delta = ... ns) > Time: hpet clocksource has been installed. > > It locked up hard.. cursor stopped blinking and SysRq isn't working either. >
It obviously is the wrong fix then :). Adding a few cc's. Hopefully they will know what to do better than me. > -Andrew > > On Jan 13, 2008 7:03 AM, Dhaval Giani <[EMAIL PROTECTED]> wrote: > > > > On Sun, Jan 13, 2008 at 06:10:52AM -0500, Andrew Paprocki wrote: > > > I started debugging a problem I was having with my sky2 network driver > > > under 2.6.23.13. The investigation led me to find that the HPET timer > > > wasn't working at all, causing the sky2 driver to not work properly. > > > Simple example: > > > > > > am2:/sys/devices/system/clocksource/clocksource0# cat current_clocksource > > > jiffies > > > am2:/sys/devices/system/clocksource/clocksource0# time sleep 1 > > > real 0m1.000s > > > user 0m0.000s > > > sys 0m0.000s > > > am2:/sys/devices/system/clocksource/clocksource0# echo tsc > > > > current_clocksource > > > am2:/sys/devices/system/clocksource/clocksource0# time sleep 1 > > > real 0m1.005s > > > user 0m0.004s > > > sys 0m0.000s > > > am2:/sys/devices/system/clocksource/clocksource0# echo hpet > > > > current_clocksource > > > am2:/sys/devices/system/clocksource/clocksource0# time sleep 1 > > > <hangs indefinetly...> > > > > > > Running strace shows it blocked on nanosleep(). I'm building the > > > kernel with the processor type set to Athalon64. I've built it with > > > and without SMP and high-res timers enabled and I get the same result. > > > My previous 2.6.18-4 kernel works because it does not install HPET as > > > the default timer. The same behavior occurs in 2.6.24-rc7 git head. > > > I've attached the config/dmesg below. > > > > > > > It seems the HPET timer was not being assigned any IRQs at all. Can you > > try the patch at http://lkml.org/lkml/2008/1/12/128 ? > > > > Thanks, > > -- > > regards, > > Dhaval > > > > -- regards, Dhaval -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
