Re: drm panic after new world

From: Steve Kargl <sgk_at_troutmask.apl.washington.edu>
Date: Mon, 02 Jun 2025 22:35:50 UTC 
On Thu, May 29, 2025 at 02:37:08PM -0700, Steve Kargl wrote:
> On Thu, May 29, 2025 at 01:06:22PM -0700, Steve Kargl wrote:
> > __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:57
> > 57		__asm("movq %%gs:%c1,%0" : "=r" (td)
> > (kgdb) #0  __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:57
> >         td = <optimized out>
> 
> (snip)
> 
> > #5  0xffffffff805c8718 in pfs_add_node (
> >     parent=parent@entry=0xfffff80003955400, pn=pn@entry=0xfffff803557e0900)
> >     at /usr/src/sys/fs/pseudofs/pseudofs.c:123
> >         iter = <optimized out>
> 
> This is hitting a KASSERT under the INVARIANTS option.
> 
> 

How does one use dates to checkout a particular head?
If I'm at the top of HEAD and need to got back to
mid-february, what's the easiest option for performing
a bisection by hand?


-- 
Steve