Re: Failures in x86 pmap

[Patrick Welche <prlw1%cam.ac.uk@localhost>]

On Mon, Feb 24, 2020 at 09:14:09PM +0000, Andrew Doran wrote:
> On Mon, Feb 24, 2020 at 01:22:15PM +0000, Patrick Welche wrote:
> 
> > On Sun, Feb 23, 2020 at 06:59:50PM +0000, Andrew Doran wrote:
> > > I think I found the problem, which has existed since ~8PM GMT yesterday.
> > > Hopefully fixed by revision 1.17 of src/sys/arch/x86/x86/x86_tlb.c.
> > 
> > With src from Mon Feb 24 13:18:07 GMT 2020 (so with v 1.17 of
> > x86_tlb.c), I now see:
> > 
> > (gdb) x/s panicstr
> > 0xffffffff819535c0 <scratchstr.13561>:      "kernel diagnostic assertion \"uvm_page_owner_locked_p(pg, true)\" failed: file \"/usr/src/sys/arch/x86/x86/pmap.c\", line 4041 "
> > 
> > whenever logging into xdm with an nfs mounted /home.
> > 
> > Booting with a kernel from last Monday gets me back to a working amd64 system.
> > (Not sure if related, but see the magic characters "pmap.c")
> 
> I missed a few changes.  Just made a bunch of commits and nfs survives a
> short fsx run for me so I'd say it should be fixed now.

Yes thanks! (Just tried a new kernel and all OK)


Cheers,

Patrick