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To: Joe Holden <lists@rewt.org.uk>
Subject: Re: panic on EdgeRouter Lite
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 Content preview:  On 4/14/2013 6:44 PM, Joe Holden wrote: > Hi guys, > > I've
 been playing with HEAD on the erl and under load (eg when > compiling
 something, 
 I get the follow panics: > > panic: kernel stack overflow - trapframe at
 0xffffffff80835eb0 > cpuid = 0 > > They all seem to be the same, what info
 do I need to gather to allow > someone to debug this? [...] 
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On 4/14/2013 6:44 PM, Joe Holden wrote:
> Hi guys,
>
> I've been playing with HEAD on the erl and under load (eg when 
> compiling something, I get the follow panics:
>
> panic: kernel stack overflow - trapframe at 0xffffffff80835eb0
> cpuid = 0
>
> They all seem to be the same, what info do I need to gather to allow 
> someone to debug this?

For starters - backtrace.
 From my experience - kernel stack on MIPS is somewhat fragile :(
e.g. loading kernel module with moderate length of dependency chain
(dtraceall in my case) easily exhausts stack. I didn't have time to
look into it further.