From: pavel@ucw.cz (Pavel Machek)
To: linux-arm-kernel@lists.infradead.org
Subject: 4.10-rc1 on Nokia N900: regression, WARN_ON() omap_l3_smx.c
Date: Tue, 24 Jan 2017 00:22:49 +0100 [thread overview]
Message-ID: <20170123232249.GA11641@amd> (raw)
In-Reply-To: <20170102181058.GF9325@atomide.com>
Hi!
> * Pavel Machek <pavel@ucw.cz> [161229 15:14]:
> > Hi!
> >
> > I forgot I had v4.10-rc1 running, and now I got warning on all the
> > consoles (hand-copied).
> >
> >
> > Unhandled fault: external abort on non-linefetch (0x1028) at
> > 0xfa0ab060
> > ...
> > Comm: kworker/0:0 Not tainted.
> > Workqueue: events musb_irq_work
> > ...
> > PC is at musb_default_readb().
> > ...
>
> This means the clocks are not enabled at that point.
>
> > WARNING: CPU: 0 ... at drivers/bus/omap_l3_smx.c:166
> > omap3_l3_app_irq+0xcc/...
> > Tainted: GDW.
>
> If you comment out postcore_initcall_sync(omap3_l3_init);
> in drivers/bus/omap_l3_smx.c you'll see the proper stack
> trace instead of the l3 interrupt trace. The system will
> hang at that point most likely.
>
> > I do have patches to allow nfsroot over usb. But they worked ok in
> > v4.9... Does anyone see it, too?
>
> Hmm not much has changed since v4.9. Are you sure you
> had v4.9 or some earlier v4.9-rc version?
It happened again in -rc5. I have full dmesg this time.
I started new thread with "
Subject: v4.9 to v4.10 regression: oops when USB cable is plugged in.
". It does no longer look completely scary.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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prev parent reply other threads:[~2017-01-23 23:22 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-29 23:14 4.10-rc1 on Nokia N900: regression, WARN_ON() omap_l3_smx.c Pavel Machek
2017-01-02 18:10 ` Tony Lindgren
2017-01-02 22:48 ` Pavel Machek
2017-01-23 23:22 ` Pavel Machek [this message]
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