Re: rpi3 panic

[Jason Thorpe <thorpej%me.com@localhost>]

> On Nov 29, 2019, at 2:16 AM, Patrick Welche <prlw1%cam.ac.uk@localhost> wrote:
> 
> On Thu, Nov 28, 2019 at 08:55:50PM -0000, Michael van Elst wrote:
>> prlw1%cam.ac.uk@localhost (Patrick Welche) writes:
>> 
>>> P.S. I'm on a tip serial console - if I send ~# I should drop into ddb on
>>> aarch64? (If so nothing happens, so the kernel is unhappy)
>> 
>> The default for rpi3 is to use the AUX uart which doesn't support
>> break signals, as a consequence it is configured to use the +++++
>> sequence to enter ddb.
> 
> Thanks! I can drop to ddb using +++++ with the working 201911231000Z
> GENERIC64 kernel, but not with the 201911240030Z kernel once it
> hangs, so no clues...

FYI -- I now understand what's going on with the interrupt-related panic.  Silly oversight on my part that's related to how the bcm2836 interrupts are represented.  I should have it fixed shortly.

-- thorpej