e1000e suspend-to-disk reboots box with 3.11-rc3+

From: Borislav Petkov
Date: Wed Jul 31 2013 - 16:41:04 EST


I'm experiencing the strange observation that when I hibernate my x230
with Linus HEAD from today + tip/master (3.11-rc3+), the box doesn't
remain off but reboots immediately.

Since I have a similar bug where an e1000e box reboots
when "Wake on LAN from S4/S5" is enabled in the BIOS
(https://bugzilla.novell.com/show_bug.cgi?id=812592) I decided to test
with LAN cable removed.

And yes, when the ethernet cable is not connected, the box hibernates
and remains off. When I hibernate with the cable attached, the box
doesn't remain off but reboots.

The card is:

[ 1.620772] e1000e: Intel(R) PRO/1000 Network Driver - 2.3.2-k
[ 1.622116] e1000e: Copyright(c) 1999 - 2013 Intel Corporation.
[ 1.623687] e1000e 0000:00:19.0: setting latency timer to 64
[ 1.625160] e1000e 0000:00:19.0: Interrupt Throttling Rate (ints/sec) set to dynamic conservative mode
[ 1.626640] e1000e 0000:00:19.0: irq 44 for MSI/MSI-X
[ 1.884432] e1000e 0000:00:19.0 eth0: registered PHC clock
[ 1.885925] e1000e 0000:00:19.0 eth0: (PCI Express:2.5GT/s:Width x1) 3c:97:0e:6b:ef:e7
[ 1.887466] e1000e 0000:00:19.0 eth0: Intel(R) PRO/1000 Network Connection
[ 1.889089] e1000e 0000:00:19.0 eth0: MAC: 10, PHY: 11, PBA No: 1000FF-0FF

And of course, 3.10 is fine.

Any ideas?

I'll try to bisect it when I get a chance.


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