cvs commit: src/sys/alpha/alpha pmap.c src/sys/amd64/amd64 pmap.c src/sys/i386/i386 pmap.c src/sys/ia64/ia64 pmap.c

[Ade Lovett]

On Oct 21, 2005, at 12:47 , Christian S.J. Peron wrote:
> This sounds similar to an issue that kris is experiencing on one of
> his sparc64 SMP devices. It looks likes vm_map_entry_splay() is  
> crashing
> then while vm_fault is running, it recurses a non-recursable mutex
> making it difficult to do any debugging. Is it possible that this  
> issue
> affects sparc64, too?

Not directly, no.  pv entries are allocated in a different manner on  
sparc64.  If I can get access to crashdumps on such machines running  
kernels with both INVARIANTS on *and* off, then I can certainly do  
some investigation.  The backtrace from a non-INVARIANTS kernel  
wasn't particularly helpful by itself, but when coupled with that of  
a kernel with it turned on, we were able to locate the underlying  
source of the problem.

-aDe