Messages in this thread | | | From | Ed Tomlinson <> | Subject | Re: Fwd: Fwd: laptop / computer hardlocks during execution of 32bit applications(binaries) on 64bit system (Gentoo) | Date | Thu, 10 Jan 2008 11:38:01 -0500 |
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On January 10, 2008, Ingo Molnar wrote: > > * Ed Tomlinson <edt@aei.ca> wrote: > > > Matthew is not alone with this problem. I have it too. Its not new > > here. Its been happening as long as I have had gentoo amd64 > > installed. It can be hard to reproduce but eventually, when 32 bit > > apps are used, my box bricks. There is nothing in the logs (nor on a > > serial console) - the box just freezes. > > > > My kernel is _not_ tainted. [...] > > ok, good. A series of questions: > > - can you reproduce it from the VGA console?
No - though I do have a serial console to see logs.
> - if yes, does booting with "nmi_watchdog=2 idle=poll" give you a > working NMI watchdog? (working NMI watchdog means the NMI counts > increase for all cores in /proc/interrupts).
booting with the above gives me an incrementing NMI counter in /proc/interrupts
> if still 'yes', then try to reproduce the hard hang on the VGA text > console - do you perhaps get an NMI backtrace printed within 1-2 minutes > after the hard hang happens? If yes then take a photo of that or write > it down.
I am booted with the NMI watchdog and serial consoles active running apps that eventually will trigger a hang...
Ed Tomlinson
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