panic: non-sleepable lock 6-STABLE

2007-02-22 Thread Volker
Hi! This evening I've had a mysterious thing: Two reboots caused by a panic in a row. The machine itself is running fine for months (always on 6-STABLE). The last kernel / world build has been a week ago. As I'm having KDB_UNATTENDED in my kernel, I didn't took notice of that crash. Trying to ins

Re: Deadlock in state 'sysctl lock'

2007-02-22 Thread Guy Helmer
Rink Springer wrote: Hi people, At work, one of our SpamAssassin/ClamAV filtering machines just entered a deadlock state: FreeBSD/i386 (xxx.qsp.nl) (cuad0) login: root load: 0.00 cmd: login 683 [sysctl lock] 0.00u 0.00s 0% 148k load: 0.00 cmd: login 683 [sysctl lock] 0.00u 0.00s 0% 148k load

Help debugging non-sleepable lock panic on 6.2-RELEASE

2007-02-22 Thread Jason Thomson
This happens when we put our DELL PE2950 running MySQL 4.0.27 under load. We have a kernel core dump, but I'm unsure what to do next. It looks like the process triggering the problem is mysqld. mysqld is compiled from ports with no switches, and the threading library is set to libthr using lib

Re: Cannot obtain kernel dump in /var/crash

2007-02-22 Thread Jeremy Chadwick
On Thu, Feb 22, 2007 at 04:13:33PM +0200, Alexander Shikoff wrote: > /etc/rc.d/dumpon creates symbolic link /dev/dumpdev. It's present in > my /dev directory. I think a problem is somewhere deeply, probably > with savecore(8). When a panic occurs I see in console process of > dumping (size of RAM,

Re: Cannot obtain kernel dump in /var/crash

2007-02-22 Thread Alexander Shikoff
Hello, funny questions for me as I'm not a newbie in FreeBSD... ;) But I'll answer. On Thu, Feb 22, 2007 at 05:22:24AM -0800, Jeremy Chadwick wrote: > Is /dev/ad2s1b the correct location? Possibly you meant ad0s1b > or some other adX device? (Common mistake.) /home/minotaur>ls -l /dev/ad2s1b c

Re: Cannot obtain kernel dump in /var/crash

2007-02-22 Thread Jeremy Chadwick
On Thu, Feb 22, 2007 at 01:56:44PM +0200, Alexander Shikoff wrote: > Hello, > > I've discovered reproducable kernel panic but I cannot obtain a dump. > > I have in rc.conf: > > dumpdev="/dev/ad2s1b" > savecore_flags="-f" > > ... and in kernel configuration: > > options KDB > options

Cannot obtain kernel dump in /var/crash

2007-02-22 Thread Alexander Shikoff
Hello, I've discovered reproducable kernel panic but I cannot obtain a dump. I have in rc.conf: dumpdev="/dev/ad2s1b" savecore_flags="-f" ... and in kernel configuration: options KDB options DDB options KDB_UNATTENDED makeoptions DEBUG=-g# Build kern

Re: 6.2-RELEASE panic when blanking CD-RW media

2007-02-22 Thread Fabian Keil
"Petr Holub" <[EMAIL PROTECTED]> wrote: > I've encountered a deterministic kernel panic when > blanking one specific CD-RW media using cdrecord. > The kernel panic details follow and dmesg is at the end of this > email. Though I understand there's something wrong with the media, > I think it shou

Re: Very slow umass in 6.2-RC2

2007-02-22 Thread Alexander Shikoff
On Thu, Feb 22, 2007 at 10:45:03AM +0100, Oliver Fromme wrote: > E.g. I have this one: > > umass0: vendor 0x090c Cn Memory, rev 2.00/11.00, addr 2 > da0 at umass-sim0 bus 0 target 0 lun 0 > da0: < Cn Memory 1100> Removable Direct Access SCSI-0 device > da0: 40.000MB/s transfers > da0: 1935MB (3963

Re: Very slow umass in 6.2-RC2

2007-02-22 Thread Oliver Fromme
Oliver Fromme wrote: > [...] > That stick has about 20 Mbit/s write and 30 Mbit/s read > speed. That's not terribly fast either, but definitely > beyond the 12 Mbit/s limit of full-speed devices. I can > fill that 2 GB stick up in about 15 minutes. The system > CPU is 95% during that, so I

Re: Very slow umass in 6.2-RC2

2007-02-22 Thread Oliver Fromme
Alexander Shikoff wrote: > Oliver Fromme wrote: > > Alexander Shikoff wrote: > > > Wang Yi wrote: > > > > Alexander Shikoff wrote: > > > > > I have Apacer Flash: > > > > > > > > > > umass0: vendor 0x1005 USB FLASH DRIVE, rev 2.00/1.00, addr 2 > > > > > da0 at umass-sim0 bus 0 target 0 lun

Re: Very slow umass in 6.2-RC2

2007-02-22 Thread Alexander Shikoff
On Thu, Feb 22, 2007 at 09:37:46AM +0100, Oliver Fromme wrote: > Alexander Shikoff wrote: > > Wang Yi wrote: > > > Alexander Shikoff wrote: > > > > I have Apacer Flash: > > > > > > > > umass0: vendor 0x1005 USB FLASH DRIVE, rev 2.00/1.00, addr 2 > > > > da0 at umass-sim0 bus 0 target 0 lun 0

Re: Very slow umass in 6.2-RC2

2007-02-22 Thread Oliver Fromme
Alexander Shikoff wrote: > Wang Yi wrote: > > Alexander Shikoff wrote: > > > I have Apacer Flash: > > > > > > umass0: vendor 0x1005 USB FLASH DRIVE, rev 2.00/1.00, addr 2 > > > da0 at umass-sim0 bus 0 target 0 lun 0 > > > da0: < USB FLASH DRIVE 34CH> Removable Direct Access SCSI-0 device >