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Bug#820176: 3.16.7-ckt25-1: BUG: unable to handle kernel paging request (when connecting a USB device)



Control: clone -1 -2
Control: retitle -2 [Regression] QuickPort XT USB3.0 in EHCI port is disconnected during disk spin-up

On Wed, 2016-04-06 at 16:51 +0200, Bjørn Mork wrote:
> Antonis Christofides <anthony@itia.ntua.gr> writes:
> 
> > 
> > Apr  5 13:32:47 thames kernel: [86003.993994] BUG: unable to handle kernel paging request at ffffeba40a800380
> > Apr  5 13:32:47 thames kernel: [86003.994005] IP: [] kfree+0x76/0x220
> ..
> > 
> > Apr  5 13:32:47 thames kernel: [86003.994679] Call Trace:
> > Apr  5 13:32:47 thames kernel: [86003.994689]  [] ? usb_release_bos_descriptor+0x1d/0x40 [usbcore]
> I believe this bug is fixed by commit e5bdfd50d6f7 ("Revert "usb: hub:
> do not clear BOS field during reset device"") in mainline.  Don't know
> the stable status of that.  I don't see it in v3.16.x yet.  I assume Ben
> keeps track of it :)

The crash after disconnection certainly seems like it could be fixed by
that.  But the rapid disconnections (at 13:31:32 and 13:32:47) appear
to be a different bug.

Ben.

-- 
Ben Hutchings
Never attribute to conspiracy what can adequately be explained by stupidity.

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