Messages in this thread | | | From | "Rafael J. Wysocki" <> | Subject | Re: Intermittent early panic in try_to_wake_up | Date | Sun, 8 Nov 2009 19:44:02 +0100 |
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On Sunday 08 November 2009, Pavel Machek wrote: > > > > > if I copied the entire panic message entirely, including the Code section? > > > > I can try that the next time it happens. > > > > > > Use vga=ask boot_delay=100 select the highest res possible. > > > > > > Possibly you could use a digital (video) camera to record the output. > > > > FWIW, I see a crash in autoremove_wake_function() during resume from suspend > > to RAM that happens immediately before the thawing of tasks. It always happens > > in the "events" thread. I can trigger it quite reliably, although not 100% of > > the time. > > > > I can only see the bottom half of the call trace, so I can't really say what > > kind of a crash this is. > > Our oops printing code sucks. It should mdelay after each screen or > something like that. Call trace should be in reverse order, so the > most useful parts stay on the screen...
In this particular case it should fit into the screen, but it happens during a VT switch or something like this.
Unfortunately, this issue turns out to be quite difficult to nail down and only triggers in specific configurations.
Thanks, Rafael
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