Re: panic with 5.99.55 starting postgres

["J. Hannken-Illjes" <hannken%eis.cs.tu-bs.de@localhost>]

On Aug 25, 2011, at 11:18 PM, Darren Reed wrote:

> starting postgres panic's my system every time with this panic:
> 
> panic: kernel diagnostic assertion "uvm_page_locked_p(pg
> e " ../../../../arch/x86/x86/pmap.c, line 3214
> 
> 
> From the pmap.c that was used to compile the kernel is this
> extract, with **** being the line that panic's the system.
> 
>       pg = PHYS_TO_VM_PAGE(pmap_pte2pa(opte));
> 
>       KASSERTMSG(pg != NULL, ("pmap_remove_pte: unmanaged page marked "
>           "PG_PVLIST, va = %#" PRIxVADDR ", pa = %#" PRIxPADDR,
>           va, (paddr_t)pmap_pte2pa(opte)));
> 
> ****    KASSERT(uvm_page_locked_p(pg));
> 
>       /* Sync R/M bits. */
> 
> Seen before?
> Known?
> Fixed? ;)
> 
> And perhaps more importantly, does anyone know when and where
> this was introduced?
> 
> What's the last safe version of NetBSD to use postgres with?

PR kern/45177 already addresses this one.  It is not a problem with
postgres but with the kernel failing O_DIRECT.

--
Juergen Hannken-Illjes - hannken%eis.cs.tu-bs.de@localhost - TU Braunschweig 
(Germany)