Re: USB Printer quirks

2013-04-15 Thread Hans Petter Selasky
On 04/14/13 00:45, Joshua Isom wrote: I've got my printer to finally work, now that I got around to hooking it up again and trying. It's a Kodak AiO, and there's a driver that's been around for a few years and works under Linux. It doesn't work properly under FreeBSD, or a Debian/kFreeBSD

VLANHWFILTER upgrade

2013-04-15 Thread Alexander V. Chernikov
Hello list. We currently have VLAHWFILTER functionality allowing underlying physical/virtual interfaces to be aware of vlans stacked on them. However, this knowledge is only used to program NIC hw filter (or to broadcast to member ifaces in lagg case). Proposed idea is to save vlan ifp pointer

Re: devstat overhead VS precision

2013-04-15 Thread Pawel Jakub Dawidek
On Sat, Apr 13, 2013 at 12:59:49PM +0300, Alexander Motin wrote: Hi. It is long known that collecting disk and GEOM statistics may cause significant processing overhead under high IOPS. On my recent high-IOPS benchmarks performance difference was reaching three times! Last time situation

Re: devstat overhead VS precision

2013-04-15 Thread Alexander Motin
On 15.04.2013 21:42, Pawel Jakub Dawidek wrote: On Sat, Apr 13, 2013 at 12:59:49PM +0300, Alexander Motin wrote: Hi. It is long known that collecting disk and GEOM statistics may cause significant processing overhead under high IOPS. On my recent high-IOPS benchmarks performance difference was

Re: devstat overhead VS precision

2013-04-15 Thread Konstantin Belousov
On Mon, Apr 15, 2013 at 08:42:03PM +0200, Pawel Jakub Dawidek wrote: On a mostly unrelated note when two threads (T0 and T1) call get*time() on two different cores, but T0 does that a bit earlier is it possible that T0 can get later time than T1? Define earlier first. If you have taken

Re: devstat overhead VS precision

2013-04-15 Thread Pawel Jakub Dawidek
On Mon, Apr 15, 2013 at 10:18:15PM +0300, Konstantin Belousov wrote: On Mon, Apr 15, 2013 at 08:42:03PM +0200, Pawel Jakub Dawidek wrote: On a mostly unrelated note when two threads (T0 and T1) call get*time() on two different cores, but T0 does that a bit earlier is it possible that T0 can

Re: devstat overhead VS precision

2013-04-15 Thread Konstantin Belousov
On Mon, Apr 15, 2013 at 09:37:30PM +0200, Pawel Jakub Dawidek wrote: On Mon, Apr 15, 2013 at 10:18:15PM +0300, Konstantin Belousov wrote: On Mon, Apr 15, 2013 at 08:42:03PM +0200, Pawel Jakub Dawidek wrote: On a mostly unrelated note when two threads (T0 and T1) call get*time() on two

Re: USB Printer quirks

2013-04-15 Thread Joshua Isom
On 4/15/2013 5:41 AM, Hans Petter Selasky wrote: Hi, What does dmesg say about your printer. Is cups hooked up the correct /dev/uxxx device ? --HPS Here's what I got the last time I plugged it in. Apr 13 07:38:17 jri root: Unknown USB device: vendor 0x040a product 0x4043 bus uhub7 Apr 13

SystemV IPC. Segment info

2013-04-15 Thread Vagner
Hello! A few weeks ago, I ran into problem, which related to SystemV IPC. More than 20 processes attached to a segment shared queue. Process-initiator for create segment was killed, as process which was accessed to segment last. Segment didn't free memory, but tagged it as SHMSEG_REMOVED as the

Re: devstat overhead VS precision

2013-04-15 Thread Poul-Henning Kamp
In message 516c515a.9090...@freebsd.org, Alexander Motin writes: I propose to switch that statistics from using binuptime() to getbinuptime() to solve the problem globally. No objections here, but I wonder if you were able to compare the results somehow before and after the change so we

Re: devstat overhead VS precision

2013-04-15 Thread Alexander Motin
On 15.04.2013 23:43, Poul-Henning Kamp wrote: In message 516c515a.9090...@freebsd.org, Alexander Motin writes: I propose to switch that statistics from using binuptime() to getbinuptime() to solve the problem globally. No objections here, but I wonder if you were able to compare the results