Messages in this thread | | | Date | Sun, 03 Feb 2013 22:29:24 +0100 | From | Jiri Slaby <> | Subject | Re: Uhhuh. NMI received for unknown reason 2c on CPU 0. |
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On 01/31/2013 02:18 PM, Borislav Petkov wrote: > On Thu, Jan 31, 2013 at 09:28:12AM +0100, Jiri Slaby wrote: >> And, does it happen if you switch all of them but NMI wtd in there? > > No, but something else happens. Here's the whole dance: > > 1. Switch all tunables except "NMI watchdog should be turned off" to "Good" > 2. suspend to disk > 3. resume... all good > 4. switch "NMI watchdog should be turned off" to "Good" > 5. suspend to disk > 6. resume... all good > 7. start powertop, toggle "Wireless Power Saving for interface wlan0" twice. > I.e., "Good" -> "Bad"; "Bad" -> "Good". > > -> Boom! Unknown reason NMI. It happened right during the toggle because > it appeared in the framebuffer console (no X) right during me toggling > this.
Right, for me too. Even if I disable nmi watchdog in both the boot and image kernel, the NMI eventually occurs (dunno what's the trigger now though).
Given the above I'm thinking about switching that intel wi-fi card to ath9k which I have at hand and retest...
-- js suse labs
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