Messages in this thread | | | Subject | Re: [PATCH v2 0/8] Raspberry Pi 2 support. | From | Noralf Trønnes <> | Date | Sat, 26 Dec 2015 22:38:05 +0100 |
| |
Den 22.12.2015 20:01, skrev Eric Anholt:
> >> After finally booting the RPi2 I get several messages of: >> >> unexpected IRQ trap at vector 00 >> >> while typing _one_ character over uart. > We were doing some debugging of that recently. It seems that every once > in a while we get woken up but nothing shows up in the top-level status > register. We need to just make the irqchip ignore instead of trying to > look up a handler in that case, but I haven't prioritized it because it > makes me worry that I'm just papering over a problem in our IRQ masking > or something. > > I haven't seen any problems other than the printk, though.
Downstream has this patch[1]: irq-bcm2836: Prevent spurious interrupts, and trap them early
It has been used in the nightly build of OpenELEC[2] for 5 days now without any complaints (used with the downstream ARCH_BCM2709).
[1] https://github.com/raspberrypi/linux/commit/688a5f2ada4fbd16547b574a17e6d359ab2364d0 [2] http://forum.kodi.tv/showthread.php?tid=250817&pid=2192054#pid2192054
| |