From: noralf@tronnes.org (Noralf Trønnes)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 0/8] Raspberry Pi 2 support.
Date: Sat, 26 Dec 2015 22:38:05 +0100 [thread overview]
Message-ID: <567F08BD.50204@tronnes.org> (raw)
In-Reply-To: <87si2uux2s.fsf@eliezer.anholt.net>
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
WARNING: multiple messages have this Message-ID (diff)
From: "Noralf Trønnes" <noralf@tronnes.org>
To: Eric Anholt <eric@anholt.net>,
Alexander Aring <alex.aring@gmail.com>,
Phil <phil@raspberrypi.org>
Cc: Mark Rutland <mark.rutland@arm.com>,
devicetree@vger.kernel.org,
Florian Fainelli <f.fainelli@gmail.com>,
Jason Cooper <jason@lakedaemon.net>,
Scott Branden <sbranden@broadcom.com>,
Ian Campbell <ijc+devicetree@hellion.org.uk>,
Marc Zyngier <marc.zyngier@arm.com>, Ray Jui <rjui@broadcom.com>,
linux-kernel@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
bcm-kernel-feedback-list@broadcom.com,
linux-rpi-kernel@lists.infradead.org,
Kumar Gala <galak@codeaurora.org>,
Thomas Gleixner <tglx@linutronix.de>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 0/8] Raspberry Pi 2 support.
Date: Sat, 26 Dec 2015 22:38:05 +0100 [thread overview]
Message-ID: <567F08BD.50204@tronnes.org> (raw)
In-Reply-To: <87si2uux2s.fsf@eliezer.anholt.net>
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
next prev parent reply other threads:[~2015-12-26 21:38 UTC|newest]
Thread overview: 76+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-16 23:55 [PATCH v2 0/8] Raspberry Pi 2 support Eric Anholt
2015-12-16 23:55 ` Eric Anholt
2015-12-16 23:55 ` Eric Anholt
2015-12-16 23:55 ` [PATCH v2 1/8] irq: bcm2836: Fix initialization of the LOCAL_IRQ_CNT*IRQ timers Eric Anholt
2015-12-16 23:55 ` Eric Anholt
2015-12-16 23:55 ` Eric Anholt
2015-12-16 23:55 ` [PATCH v2 2/8] irq: bcm2836: Add SMP support for the 2836 Eric Anholt
2015-12-16 23:55 ` Eric Anholt
2015-12-16 23:55 ` Eric Anholt
2015-12-17 5:17 ` Baruch Siach
2015-12-17 5:17 ` Baruch Siach
2015-12-17 5:17 ` Baruch Siach
2015-12-16 23:55 ` [PATCH v2 3/8] dt-bindings: Add root properties for Raspberry Pi 2 Eric Anholt
2015-12-16 23:55 ` Eric Anholt
2015-12-16 23:55 ` Eric Anholt
2015-12-19 4:18 ` Rob Herring
2015-12-19 4:18 ` Rob Herring
2015-12-16 23:55 ` [PATCH v2 4/8] ARM: bcm2835: Split the DT for peripherals from the DT for the CPU Eric Anholt
2015-12-16 23:55 ` Eric Anholt
2015-12-18 10:00 ` Alexander Aring
2015-12-18 10:00 ` Alexander Aring
2015-12-21 23:09 ` Eric Anholt
2015-12-21 23:09 ` Eric Anholt
2015-12-21 23:09 ` Eric Anholt
2015-12-16 23:55 ` [PATCH v2 5/8] ARM: bcm2835: Move the CPU/peripheral include out of common RPi DT Eric Anholt
2015-12-16 23:55 ` Eric Anholt
2015-12-16 23:55 ` [PATCH v2 6/8] ARM: bcm2835: Add devicetree for bcm2836 and Raspberry Pi 2 B Eric Anholt
2015-12-16 23:55 ` Eric Anholt
2015-12-22 10:11 ` Alexander Aring
2015-12-22 10:11 ` Alexander Aring
2015-12-16 23:55 ` [PATCH v2 7/8] ARM: bcm2835: Add a compat string for bcm2836 machine probe Eric Anholt
2015-12-16 23:55 ` Eric Anholt
2015-12-16 23:55 ` [PATCH v2 8/8] ARM: bcm2835: Add Kconfig support for bcm2836 Eric Anholt
2015-12-16 23:55 ` Eric Anholt
2015-12-26 22:38 ` Eric Anholt
2015-12-26 22:38 ` Eric Anholt
2016-01-03 21:53 ` Noralf Trønnes
2016-01-03 21:53 ` Noralf Trønnes
2015-12-17 0:03 ` [PATCH v2 0/8] Raspberry Pi 2 support Arnd Bergmann
2015-12-17 0:03 ` Arnd Bergmann
2015-12-17 0:37 ` Eric Anholt
2015-12-17 0:37 ` Eric Anholt
2015-12-17 0:37 ` Eric Anholt
2015-12-17 8:48 ` Stefan Wahren
2015-12-17 8:48 ` Stefan Wahren
2015-12-17 10:26 ` Arnd Bergmann
2015-12-17 10:26 ` Arnd Bergmann
2015-12-17 10:26 ` Arnd Bergmann
2015-12-18 10:08 ` Alexander Aring
2015-12-18 10:08 ` Alexander Aring
2015-12-18 10:55 ` Alexander Aring
2015-12-18 10:55 ` Alexander Aring
2015-12-20 22:11 ` Alexander Aring
2015-12-20 22:11 ` Alexander Aring
2015-12-20 22:11 ` Alexander Aring
2015-12-21 23:07 ` Eric Anholt
2015-12-21 23:07 ` Eric Anholt
2015-12-22 14:26 ` Alexander Aring
2015-12-22 14:26 ` Alexander Aring
2015-12-22 14:26 ` Alexander Aring
2015-12-22 19:01 ` Eric Anholt
2015-12-22 19:01 ` Eric Anholt
2015-12-22 19:01 ` Eric Anholt
2015-12-26 21:38 ` Noralf Trønnes [this message]
2015-12-26 21:38 ` Noralf Trønnes
2015-12-21 23:11 ` Arnd Bergmann
2015-12-21 23:11 ` Arnd Bergmann
2015-12-22 14:20 ` Alexander Aring
2015-12-22 14:20 ` Alexander Aring
2015-12-22 14:20 ` Alexander Aring
2015-12-22 21:23 ` Arnd Bergmann
2015-12-22 21:23 ` Arnd Bergmann
2015-12-22 21:23 ` Arnd Bergmann
2015-12-25 0:01 ` Eric Anholt
2015-12-25 0:01 ` Eric Anholt
2015-12-25 0:01 ` Eric Anholt
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