Messages in this thread | | | Date | Wed, 19 May 2010 17:34:49 -0700 | From | Jesse Barnes <> | Subject | Re: [RFC] Try a bit harder to get output on the screen at panic time |
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On Fri, 9 Apr 2010 15:10:50 -0700 Jesse Barnes <jbarnes@virtuousgeek.org> wrote:
> This set of 3 patches makes it a little more likely we'll get panic > output onto the screen even when X is running, assuming a KMS enabled > stack anyway. > > It gets me from a blank or very sparsely populated black screen at > panic time, to one including the full backtrace and panic output at > panic time (tested with "echo c > /proc/sysrq-trigger" from an X > session). > > It doesn't cover every case; for instance I think it'll fail when X has > disabled the display, but those cases need to be handled with separate > patches anyway (need to add atomic DPMS paths for instance). > > Anyway, please test these out and let me know if they work for you.
Ping Linus & Dave again. Have you guys tried these? Really, it's cool.
-- Jesse Barnes, Intel Open Source Technology Center
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