Messages in this thread | | | Date | Mon, 2 Jan 2017 10:10:59 -0800 | From | Tony Lindgren <> | Subject | Re: 4.10-rc1 on Nokia N900: regression, WARN_ON() omap_l3_smx.c |
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* 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?
Regards,
Tony
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