Re: Mysterious RTC hangs on x86_64 - fixed, sort of

2007-05-03 Thread Andi Kleen
> Enough crashing for today. Strangest thing is the NMI watchdog does not > fire... It's disabled now by default. -Andi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at

Re: Mysterious RTC hangs on x86_64 - fixed, sort of

2007-05-03 Thread Andi Kleen
Enough crashing for today. Strangest thing is the NMI watchdog does not fire... It's disabled now by default. -Andi - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at

Re: Mysterious RTC hangs on x86_64 - fixed, sort of

2007-05-02 Thread Zachary Amsden
Chuck Ebbert wrote: CONFIG_HPET_EMULATE_RTC=y Did you try without that? Just did. Still hangs same way; strace shows /sbin/hwclock dying after hundreds of RTC_RD_TIME. And now /proc/interrupts shows no rtc interrupts being generated (expected, I gues). Seems to take longer

Re: Mysterious RTC hangs on x86_64 - fixed, sort of

2007-05-02 Thread Zachary Amsden
Chuck Ebbert wrote: Well, turns out this is a heisenbug. Which is good, since it means the nop patch didn't change anything. Try leaving the spinlocks and just disabling the callbacks. And maybe enable spinlock debugging... I tried removing all the spinlocks inside the interrupt

Re: Mysterious RTC hangs on x86_64 - fixed, sort of

2007-05-02 Thread Chuck Ebbert
Zachary Amsden wrote: > With this patch, /sbin/hwclock no longer hangs my AMD64 machine when run > after reaching multiuser. What I don't understand is why. I have the > RTC based sound sequencer timer as a module, but not loaded, and the > error message I added to indicate broken rtc control

Mysterious RTC hangs on x86_64 - fixed, sort of

2007-05-02 Thread Zachary Amsden
With this patch, /sbin/hwclock no longer hangs my AMD64 machine when run after reaching multiuser. What I don't understand is why. I have the RTC based sound sequencer timer as a module, but not loaded, and the error message I added to indicate broken rtc control does not fire. So why is it

Mysterious RTC hangs on x86_64 - fixed, sort of

2007-05-02 Thread Zachary Amsden
With this patch, /sbin/hwclock no longer hangs my AMD64 machine when run after reaching multiuser. What I don't understand is why. I have the RTC based sound sequencer timer as a module, but not loaded, and the error message I added to indicate broken rtc control does not fire. So why is it

Re: Mysterious RTC hangs on x86_64 - fixed, sort of

2007-05-02 Thread Chuck Ebbert
Zachary Amsden wrote: With this patch, /sbin/hwclock no longer hangs my AMD64 machine when run after reaching multiuser. What I don't understand is why. I have the RTC based sound sequencer timer as a module, but not loaded, and the error message I added to indicate broken rtc control does

Re: Mysterious RTC hangs on x86_64 - fixed, sort of

2007-05-02 Thread Zachary Amsden
Chuck Ebbert wrote: Well, turns out this is a heisenbug. Which is good, since it means the nop patch didn't change anything. Try leaving the spinlocks and just disabling the callbacks. And maybe enable spinlock debugging... I tried removing all the spinlocks inside the interrupt

Re: Mysterious RTC hangs on x86_64 - fixed, sort of

2007-05-02 Thread Zachary Amsden
Chuck Ebbert wrote: CONFIG_HPET_EMULATE_RTC=y Did you try without that? Just did. Still hangs same way; strace shows /sbin/hwclock dying after hundreds of RTC_RD_TIME. And now /proc/interrupts shows no rtc interrupts being generated (expected, I gues). Seems to take longer