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SubjectRe: PROBLEM: freeze on ppp connection (using an usb "key" modem)
Date
Am Dienstag, 26. Januar 2010 15:13:01 schrieb Fabio Bas - Officine Informatiche:
> On 26/01/2010 13:54, Oliver Neukum wrote:
> > Am Dienstag, 26. Januar 2010 13:53:08 schrieb Rafael J. Wysocki:
> >> On Tuesday 26 January 2010, Fabio Bas - Officine Informatiche wrote:
> >> ...
> >>> The last working kernel i'm aware of is kernel 2.6.30, the first showing
> >>> the problem 2.6.32.2
> >>
> >> Can you test 2.6.31.x please?
> I'll download, compile and test it asap

Yes, that's the best step now.

> >
> > Is there a bugzilla for this?
>
> I've just created it and attached all of my logs
> http://bugzilla.kernel.org/show_bug.cgi?id=15146
>
> > Sysrq-t?
>
> Here's my new crash log; sysrq-t output refers to the time after the
> connection was estabilished but before the freeze. I've tried to
> alt+sysrq+t dìseveral times when the box was freezed, but i had no reply
> from the kernel.

It is too early. Your kernel log suggests generic ppp, which is odd.
If the bug still happens with the newest stable kernel, it would be
a good idea to compile a kernel with lock verification enabled.

Regards
Oliver
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