Re: 12-Current panics on boot (didn't a week ago.)

From: Warner Losh <imp_at_bsdimp.com>
Date: Sat, 24 Mar 2018 17:23:18 -0600
Thanks Andrew... I can't recreate this on my VM nor my real hardware.

Warner

On Sat, Mar 24, 2018 at 5:22 PM, Andrew Reilly <areilly_at_bigpond.net.au>
wrote:

> So, r331464 crashes in the same place, on my system.  r331064 still boots
> OK.  I'll keep searching.
>
> One week ago there was a change to randomdev to poll for signals every so
> often, as a defence against very large reads.  That wouldn't have
> introduced a race somewhere,
> or left things in an unexpected state, perhaps?  That change (r331070) by
> cem_at_ is just a few revisions after the one that is working for me.  I'll
> start looking there...
>
> Cheers,
>
> Andrew
>
> On Sun, Mar 25, 2018 at 07:49:17AM +1100, Andrew Reilly wrote:
> > Hi Warner,
> >
> > The breakage was in 331470,  and at least one version earlier, that I
> updated past when it panicked.
> >
> > I'm guessing that kdb's inability to dump would be down to it not having
> found any disk devices yet, right?  So yes, bisecting to narrow down the
> issue is probably the best bet.  I'll try your r331464: if that works that
> leaves only four or five revisions.  Of course the breakage could be
> hardware specific.
> >
> > Cheers,
> > --
> > Andrew
>
Received on Sat Mar 24 2018 - 22:23:22 UTC

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