Re: copyin+copyout in one step ?

2013-05-28 Thread David Chisnall
On 28 May 2013, at 05:56, Zaphod Beeblebrox zbee...@gmail.com wrote: Urm... Isn't the use of shared memory the more obvious way to transfer data between processes? Am I missing some nuance? I can't speak for Luigi's use-case, but the Binder APIs in BeOS and Android call for this kind of

Re: copyin+copyout in one step ?

2013-05-28 Thread Luigi Rizzo
On Tue, May 28, 2013 at 6:56 AM, Zaphod Beeblebrox zbee...@gmail.comwrote: On Mon, May 27, 2013 at 7:38 PM, Luigi Rizzo ri...@iet.unipi.it wrote: say a process P1 wants to use the kernel to copy the content of a buffer SRC (in its user address space) to a buffer DST (in the address space of

Re: make: /usr/ports/mail/postfix/Makefile line 92: warning: Couldn't read shell's output ...

2013-05-28 Thread Mark Johnston
On Sun, May 26, 2013 at 08:39:36PM -0400, Michael Butler wrote: What's up with this? imb@toshi:/home/imb sudo portupgrade -aR make: /usr/ports/mail/postfix/Makefile line 92: warning: Couldn't read shell's output for /usr/bin/grep -m 1 '^purgestat' /etc/mail/mailer.conf || true I've been

Re: mounting root from NFS via ROOTDEVNAME

2013-05-28 Thread Eggert, Lars
Hi, to conclude this thread, the patch below allows one to specify an nfs rootfs via the ROOTDEVNAME kernel option, which will be mounted when BOOTP does not return a root-path option. Lars diff --git a/sys/nfs/bootp_subr.c b/sys/nfs/bootp_subr.c index 2c57a91..972fb12 100644 ---

Re: Supermicro 6027R-N3RF+head, usb trouble

2013-05-28 Thread Bryan Drewery
On 4/21/2013 2:38 PM, Sergey V. Dyatko wrote: Hi, Can anybody explain why USB keyboard (and keyboard from integrated IPKVM) doesn't work when I boot with 'C606 chipset Dual 4-Port SATA/SAS Storage Control Unit' enabled in bios? Also I can't boot that box from usb memstick and

[head tinderbox] failure on i386/i386

2013-05-28 Thread FreeBSD Tinderbox
TB --- 2013-05-28 14:50:20 - tinderbox 2.10 running on freebsd-current.sentex.ca TB --- 2013-05-28 14:50:20 - FreeBSD freebsd-current.sentex.ca 8.3-PRERELEASE FreeBSD 8.3-PRERELEASE #0: Mon Mar 26 13:54:12 EDT 2012 d...@freebsd-current.sentex.ca:/usr/obj/usr/src/sys/GENERIC amd64 TB ---

Re: Incorrect comparison of ticks in deadlkres

2013-05-28 Thread Ian Lepore
On Sun, 2013-05-26 at 02:53 +0200, Attilio Rao wrote: On Sat, May 25, 2013 at 11:55 PM, Ryan Stone ryst...@gmail.com wrote: Currently deadlkres performs the following comparison when trying to check for threads that have been blocked on a mutex or sleeping on an sx lock: if

Re: Incorrect comparison of ticks in deadlkres

2013-05-28 Thread Ryan Stone
On Tue, May 28, 2013 at 5:29 PM, Ian Lepore i...@freebsd.org wrote: ticks is defined as a signed integer but conceptually it is unsigned -- it increments from 0 to UINT_MAX (not INT_MAX) then rolls over. If td-td_blktick is captured while ticks = UINT_MAX and later ticks has rolled over and

Re: Incorrect comparison of ticks in deadlkres

2013-05-28 Thread Attilio Rao
On Wed, May 29, 2013 at 1:18 AM, Ryan Stone ryst...@gmail.com wrote: On Tue, May 28, 2013 at 5:29 PM, Ian Lepore i...@freebsd.org wrote: ticks is defined as a signed integer but conceptually it is unsigned -- it increments from 0 to UINT_MAX (not INT_MAX) then rolls over. If td-td_blktick is

Re: files disappearing from ls on NFS

2013-05-28 Thread Rick Macklem
Hartmut Brandt wrote: On Wed, 15 May 2013, Rick Macklem wrote: RMWell, getdents() basically just calls kern_getdirentries() and it calls RMVOP_READDIR() { which is called nfs_readdir() in the NFS clients }. RMnfs_readdir() calls ncl_bioread() to do the real work of finding the RMbuffer

Re: BSD sleep

2013-05-28 Thread Joshua Isom
On 5/28/2013 6:01 PM, Kenta Suzumoto wrote: Hi. Is there no built-in way of making sleep sleep in increments of minutes, hours, etc? The GNU sleep can be invoked like sleep 1h for an hour. The FreeBSD one's manpage leads me to believe we can only use seconds, which is kind of annoying. Is there

BSD sleep

2013-05-28 Thread Kenta Suzumoto
Hi. Is there no built-in way of making sleep sleep in increments of minutes, hours, etc? The GNU sleep can be invoked like sleep 1h for an hour. The FreeBSD one's manpage leads me to believe we can only use seconds, which is kind of annoying. Is there an undocmented or missing feature here?

[head tinderbox] failure on powerpc/powerpc

2013-05-28 Thread FreeBSD Tinderbox
TB --- 2013-05-28 22:21:37 - tinderbox 2.10 running on freebsd-current.sentex.ca TB --- 2013-05-28 22:21:37 - FreeBSD freebsd-current.sentex.ca 8.3-PRERELEASE FreeBSD 8.3-PRERELEASE #0: Mon Mar 26 13:54:12 EDT 2012 d...@freebsd-current.sentex.ca:/usr/obj/usr/src/sys/GENERIC amd64 TB ---

Re: [head tinderbox] failure on powerpc/powerpc

2013-05-28 Thread Glen Barber
The suspect commit was already reverted. Glen On Wed, May 29, 2013 at 01:33:11AM +, FreeBSD Tinderbox wrote: stage 3.3: building the modules -- cd /obj/powerpc.powerpc/src/sys/MPC85XX; MAKEOBJDIRPREFIX=/obj/powerpc.powerpc

Re: Supermicro 6027R-N3RF+head, usb trouble

2013-05-28 Thread Sergey V. Dyatko
On Tue, 28 May 2013 13:20:53 -0500 Bryan Drewery bdrew...@freebsd.org wrote: On 4/21/2013 2:38 PM, Sergey V. Dyatko wrote: Hi, Can anybody explain why USB keyboard (and keyboard from integrated IPKVM) doesn't work when I boot with 'C606 chipset Dual 4-Port SATA/SAS Storage Control