Fix amd64 ddb hardware watchpoints for SMP

2013-05-15 Thread Konstantin Belousov
The ddb use of hardware watchpoints on the x86 architectures is known to be lacking. There are at least two known problems. One is the improper interaction with the user-mode debuggers which use debug registers. Another is that ddb only loads the debug registers for the watchpoint into the CPU whic

Re: CURRENT r250636: ZFS pool destroyed while scrubbing in action and shutdown

2013-05-15 Thread Xin Li
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 On 5/15/13 12:17 PM, O. Hartmann wrote: > On Wed, 2013-05-15 at 10:39 -0700, Xin Li wrote: >> -BEGIN PGP SIGNED MESSAGE- Hash: SHA512 >> >> On 05/15/13 10:20, O. Hartmann wrote: >>> Several machines running FreeBSD 10.0-CURRENT #0 r250636: T

Re: sysvshm: replace Giant with a local sx lock

2013-05-15 Thread Konstantin Belousov
On Tue, May 14, 2013 at 10:13:05PM +0200, Mateusz Guzik wrote: > On Tue, Apr 23, 2013 at 11:36:21PM +0200, Mateusz Guzik wrote: > > On Tue, Apr 23, 2013 at 11:55:32PM +0300, Konstantin Belousov wrote: > > > On Tue, Apr 23, 2013 at 10:38:23PM +0200, Mateusz Guzik wrote: > > > > I would like to repla

Re: CURRENT r250636: ZFS pool destroyed while scrubbing in action and shutdown

2013-05-15 Thread O. Hartmann
On Wed, 2013-05-15 at 10:39 -0700, Xin Li wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA512 > > On 05/15/13 10:20, O. Hartmann wrote: > > Several machines running FreeBSD 10.0-CURRENT #0 r250636: Tue May > > 14 21:13:19 CEST 2013 amd64 were scrubbing the pools over the past > > two days.

Re: CURRENT r250636: ZFS pool destroyed while scrubbing in action and shutdown

2013-05-15 Thread O. Hartmann
On Wed, 2013-05-15 at 10:39 -0700, Xin Li wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA512 > > On 05/15/13 10:20, O. Hartmann wrote: > > Several machines running FreeBSD 10.0-CURRENT #0 r250636: Tue May > > 14 21:13:19 CEST 2013 amd64 were scrubbing the pools over the past > > two days.

Re: CURRENT r250636: ZFS pool destroyed while scrubbing in action and shutdown

2013-05-15 Thread Xin Li
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 On 05/15/13 10:20, O. Hartmann wrote: > Several machines running FreeBSD 10.0-CURRENT #0 r250636: Tue May > 14 21:13:19 CEST 2013 amd64 were scrubbing the pools over the past > two days. Since that takes a while, I was sure I could shutdown the > box

CURRENT r250636: ZFS pool destroyed while scrubbing in action and shutdown

2013-05-15 Thread O. Hartmann
Several machines running FreeBSD 10.0-CURRENT #0 r250636: Tue May 14 21:13:19 CEST 2013 amd64 were scrubbing the pools over the past two days. Since that takes a while, I was sure I could shutdown the boxes and scrubbing will restart next restart automatically. Not this time! On ALL(!) systems (t

Re: files disappearing from ls on NFS

2013-05-15 Thread Hartmut Brandt
On Wed, 15 May 2013, Rick Macklem wrote: RM>Well, getdents() basically just calls kern_getdirentries() and it calls RM>VOP_READDIR() { which is called nfs_readdir() in the NFS clients }. RM>nfs_readdir() calls ncl_bioread() to do the real work of finding the RM>buffer cache blocks and copying the

Re: head && auditdistd

2013-05-15 Thread Matthias Apitz
El día Tuesday, May 14, 2013 a las 07:07:05PM -0400, Lowell Gilbert escribió: > Matthias Apitz writes: > > > El día Tuesday, May 14, 2013 a las 07:20:02AM -0700, Justin Hibbits > > escribió: > > > >> You should run 'mergemaster -p' before installworld, as that would add any > >> necessary new u