Re: KASSERT umap->refcount != 0 failed (sys/uvm/uvm_bio.c:248)

[Mindaugas Rasiukevicius <rmind%netbsd.org@localhost>]

Nicolas Joly <njoly%pasteur.fr@localhost> wrote:
> > > 
> > > panic: kernel diagnostic assertion "umap->refcount != 0" failed: file
> > > "/local/src/NetBSD/src/sys/uvm/uvm_bio.c", line 248 fatal breakpoint
> > > trap in supervisor mode trap type 1 code 0 rip ffffffff80229d65 cs 8
> > > rflags 246 cr2  ffff8000d1c21000 cpl 0 rsp ffff8000d2c87430 Stopped in
> > > pid 496.1 (dd) at    netbsd:breakpoint+0x5:  leave db{0}> bt
> > > breakpoint() at netbsd:breakpoint+0x5
> > > panic() at netbsd:panic+0x2ba
> > > kern_assert() at netbsd:kern_assert+0x2d
> > > ubc_fault() at netbsd:ubc_fault+0x4c9
> > > uvm_fault_internal() at netbsd:uvm_fault_internal+0x469
> > > trap() at netbsd:trap+0x702
> > > --- trap (number 0) ---
> > 
> > Weird.  What other CPUs do?
> 
> I just tested it again, but with SMP disabled (boot -1), and got the
> same panic.
> 

Can you file a PR, please?

Thanks.

-- 
Mindaugas