Messages in this thread | | | Date | Fri, 9 Sep 2016 16:47:43 -0700 | From | Tony Lindgren <> | Subject | Re: [4.8.0-rc1] am335x-evm boot failure: n_tty_receive_buf_common: "Unable to handle kernel paging request.." |
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* Matthijs van Duin <matthijsvanduin@gmail.com> [160909 15:23]: > If you look more carefully the first problem is actually a bus error: > [ 15.776190] Unhandled fault: external abort on non-linefetch (0x1028) > at 0xf9e3e044 > [ 15.825925] PC is at omap_hwmod_read+0x14/0x28 > [ 15.830583] LR is at omap_rtc_wait_not_busy+0x1c/0x44 > > I have no idea how the kernel manages to continue after a bus error in > a driver (inside local_irq_disable even), but I wouldn't be inclined > to take any later errors seriously. > > See also the "4.8 crash on BeagleBone" thread on linux-omap.
Yeah. Just disable omap_l3_smx/noc driver and you should see a proper stack trace. With the L3 driver we're seeing the trace for L3 error interrupt.
Regards,
Tony
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