[BUG] bcm2711: bad_chained_irq in brcmstb_l2_intc_irq_handle
Florian Fainelli
f.fainelli at gmail.com
Thu Jan 20 19:51:52 PST 2022
On 1/20/2022 1:38 PM, Florian Fainelli wrote:
>
>
> On 1/20/2022 1:23 PM, Stefan Wahren wrote:
>> Hi,
>>
>> Am 20.01.22 um 20:48 schrieb Florian Fainelli:
>>>
>>> Can we get the full dump of the Device Tree that you are running with?
>>> Something like:
>>>
>>> dtc -I fs /proc/device-tree -O dts > live.dts
>>>
>>> would be helpful to figure out what is going on here.
>>
>> sorry guys, i assumed that the Arch people know what they do. I figured
>> out that they mixed the vendor DTB with the mainline kernel.
>
> No worries, it's always good to be thrown debugging exercises :), glad
> you figured it out.
The kernel could have been a bit more verbose about that error case, let
me try to reproduce this locally with a maliciously crafted DTB and see
if we can detect an attempt to register a flow handler on an existing
interrupt descriptor, and vice versa.
Thanks!
--
Florian
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