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SubjectRe: Uhhuh. NMI received for unknown reason 2c on CPU 0.
On Tue, Jan 29, 2013 at 1:28 PM, Borislav Petkov <bp@alien8.de> wrote:
> Hi,
>
> this is rc5 + tip/master from 2 days ago, when resuming I get this fun
> message:
>
> ...
> [15117.684975] Restarting tasks ... done.
> [15117.687201] video LNXVIDEO:00: Restoring backlight state
> [15117.720469] ehci-pci 0000:00:1d.0: power state changed by ACPI to D3cold
> [15117.721414] ehci-pci 0000:00:1a.0: power state changed by ACPI to D3cold
> [15117.949185] [drm] Enabling RC6 states: RC6 on, RC6p on, RC6pp off
> [15118.617192] e1000e: eth0 NIC Link is Up 100 Mbps Full Duplex, Flow Control: Rx/Tx
> [15118.617198] e1000e 0000:00:19.0 eth0: 10/100 speed: disabling TSO
> [15123.971346] Uhhuh. NMI received for unknown reason 2c on CPU 0.
> [15123.971353] Do you have a strange power saving mode enabled?
> [15123.971356] Dazed and confused, but trying to continue
>
> Machine is thinkpad x230. Any and all sensible suggestions are welcome.

Konstantin has some fixes for an e1000e power management issue related
to suspend/resume that he observed on an x220. He didn't see an NMI,
and apparently his problem has been around for a long time, so no idea
whether it could be related. I just noticed the conjunction of
thinkpad/e1000e/resume/power saving in both reports.

https://lkml.org/lkml/2013/1/18/147


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