Re: pmap_kenter_pa: mapping already present

2012-02-24 Thread Emmanuel Dreyfus
Mindaugas Rasiukevicius wrote: > > pmap_pdp_ctor() abuses pmap_kenter_pa() to change the protection of an > > already existing mapping. According to rmind this is because on x86 > > pmap_protect() does not work for pmap_kernel(). > > Right. I have not had a chance to look into it yet.. > > Pl

Re: PUFFS fs clean exit

2012-02-24 Thread Emmanuel Dreyfus
YAMAMOTO Takashi wrote: > did you find out which call of mutex_enter() it was? My best suspect is pn->pn_sizemtx but I fail to see how it will not be cleared. -- Emmanuel Dreyfus http://hcpnet.free.fr/pubz m...@netbsd.org

Re: maximum number of CPUs

2012-02-24 Thread Brook Milligan
On Thu, 23 Feb 2012 22:17:17 + Mindaugas Rasiukevicius wrote: > Right. Patch synced with HEAD changes, if somebody enjoys debugging: > > http://www.netbsd.org/~rmind/x86_256_cpus_v5.diff While I do not have a physical machine with more than 32 CPUs, I do have a vendor contact who seems will

Re: Snapshots in tmpfs

2012-02-24 Thread David Holland
On Fri, Feb 24, 2012 at 08:24:59AM +, David Laight wrote: > > Oh, my mistake, since there was concern about filesystem type I > > thought you were talking about raw flash, but apparently CompactFlash > > is not raw flash, same as USB sticks aren't. > > OTOH I've seen a CF card with comple

Early panic in uvm_map_prepare()

2012-02-24 Thread Julian Coleman
Hi, I tried booting a Sun E3500 (sparc64) with today's current, but it dies early with: Loading netbsd: 8945656+559016+366344 [599208+399025]=0xdd6328 panic: uvm_km_bootstrap: could not reserve kernel kmem This is the "uvm_map_findspace failed" ENOMEM return in uvm_map_prepare(): http://o

Re: Snapshots in tmpfs

2012-02-24 Thread David Laight
On Fri, Feb 24, 2012 at 12:45:32AM +, David Holland wrote: > On Thu, Feb 23, 2012 at 11:20:18PM +, David Holland wrote: > > > > Is CHFS really suitable for CompactFlash? Is LFS even usable? > > > > > > No > > > > I thought the whole point of chfs was to be able to operate on raw >

Re: Snapshots in tmpfs

2012-02-24 Thread Jonathan Stone
I think you mean "halves the write rate". --- On Thu, 2/23/12, Thor Lancelot Simon wrote: From: Thor Lancelot Simon Subject: Re: Snapshots in tmpfs To: "David Holland" Cc: tech-kern@netbsd.org Date: Thursday, February 23, 2012, 5:04 PM On Fri, Feb 24, 2012 at 12:45:32AM +, David Holland