Re: Suspend hangs since 2.6.34

[Rafael J. Wysocki]

On Wednesday, June 09, 2010, Tino Keitel wrote:
> Hi,
> 
> as of kernel 2.6.34 I sometimes get a strange hang during suspend to
> RAM. After echo mem > /sys/power/state, the suspend script hangs, Xorg
> eats 100% CPU, and the desktop is frozen. I can kill the script and the
> computer will then suspend and resume fine. The kernel log shows
> nothing interesting when the hang happens:
> 
> usblp0: removed
> usbcore: deregistering interface driver dvb_usb_vp7045
> dvb-usb: Twinhan USB2.0 DVB-T receiver (TwinhanDTV Alpha/MagicBox II)
> successfully deinitialized and disconnected.
> PM: Syncing filesystems ... done.
> 
> Is this a known problem?

No, it's not.

> I had rock stable suspend with 2.3.33.x. The
> computer is a Mac mini Core2 Duo with i945 graphics. I use KMS. I will
> compile a kernel with suspend debug to get more information if the hang
> happens next time.

Yes,  please try to get more information.

Rafael
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/