Broken things on MIPS32 - what I'd like help with!

[Adrian Chadd]

On 2 November 2015 at 13:54, Brooks Davis <brooks at freebsd.org> wrote:
> On Sun, Nov 01, 2015 at 06:33:56PM -0800, Adrian Chadd wrote:
>> Hi,
>>
>> There are a couple of things that are broken on mips32 right now and
>> I'm stretched pretty thin for time.
>>
>> I'd really appreciate it if someone could help by figuring out what's up.
>>
>> * If I use scp to copy something into a USB rootfs on my Carambola2,
>> the whole system hangs. I can use ddb to break into things, but
>> nothing obvious has shown up. The only two locks are a buflock and a
>> vfslock - but I didn't get any LORs from Witness.
>>
>> * ddb "continue" and "step" no longer works. I don't know when it
>> stopped working; I'd really appreciate some help figuring that out.
>
> Robert Watson methioned recently that "continue" wasn't working on
> mips64.  Our tree is >3 months out of date so some bisection may be in
> order.

Yeah. Mine is -HEAD and still broken. I think we need to bisect.

>
> scp is working for us.

I debugged this with jeffr. phew!



-adrian