search for: taskq

I''ve recently re-installed an X4500 running Nevada b109 and have been experiencing ZFS lock ups regularly (perhaps once every 2-3 days). The machine is a backup server and receives hourly ZFS snapshots from another thumper - as such, the amount of zfs activity tends to be reasonably high. After about 48 - 72 hours, the file system seems to lock up and I''m unable to do anything

Now at 36 hours since zdb process start and: PID USERNAME SIZE RSS STATE PRI NICE TIME CPU PROCESS/NLWP 827 root 4936M 4931M sleep 59 0 0:50:47 0.2% zdb/209 Idling at 0.2% processor for nearly the past 24 hours... feels very stuck. Thoughts on how to determine where and why? -- This message posted from opensolaris.org

...056e2ce stack pointer = 0x28:0xe537fc08 frame pointer = 0x28:0xe537fc28 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, def32 1, gran 1 processor eflags = resume, IOPL = 0 current process = 29 (em0 taskq) trap number = 12 panic: page fault cpuid = 0 It just stays there, unresponsive (no automatic reboot). Any ideas? Thanks, Daniel -- WBR, Cordiali Saluti, Daniel Ponticello, VP of Engineering Network Coordination Centre of Skytek --- - For further information about our...

I just had a quick play with gzip compression on a filesystem and the result was the machine grinding to a halt while copying some large (.wav) files to it from another filesystem in the same pool. The system became very unresponsive, taking several seconds to echo keystrokes. The box is a maxed out AMD QuadFX, so it should have plenty of grunt for this. Comments? Ian

Hi there We have a pair of servers running FreeBSD 9.1-RC3 that act as transparent layer 7 loadbalancer (relayd) and pop/imap proxy (dovecot). Only one of them is active at a given time, it's a failover setup. From time to time the active one gets in a state in which the 'thread taskq' thread uses up 100% of one cpu on its own, like here: ---- PID USERNAME PRI NICE SIZE RES STATE C TIME WCPU COMMAND 0 root 8 0 0K 3968K CPU12 12 9:49 100.00% kernel{thread taskq} ---- Most of the userland processes get stalled and if the sitation i...

...ead_done (zio=0x2aaabcfa4ed0) at lib/libzpool/build-kernel/arc.c:1850 #5 0x000000000044fb9f in zio_done (zio=0x2aaabcfa4ed0) at lib/libzpool/build-kernel/zio.c:868 #6 0x00000000004527f0 in zio_vdev_io_assess (zio=0x2aaabcfa4ed0) at lib/libzpool/build-kernel/zio.c:1491 #7 0x0000000000466ecf in taskq_thread (arg=<value optimized out>) at lib/libsolkerncompat/taskq.c:160 #8 0x00002afcd74273ca in start_thread () from /lib/libpthread.so.0 #9 0x00002afcd771555d in clone () from /lib/libc.so.6 #10 0x0000000000000000 in ?? () (gdb) frame 2 #2 0x0000000000454dff in arc_change_state (new_sta...

...4 [IWAIT] irq15: ata1 20 ffffff007b93f000 0 0 0 0000204 [IWAIT] irq14: ata0 19 ffffff007b93f340 0 0 0 0000204 [IWAIT] swi2: cambio 18 ffffff007b8e99c0 0 0 0 0000204 [IWAIT] swi6: task queue 17 ffffff007b8c9000 0 0 0 0000204 [IWAIT] swi6: Giant taskq 9 ffffff007b8c9340 0 0 0 0000204 [SLPQ - 0xffffff00007d8e00][SLP] thread taskq 16 ffffff007b8c9680 0 0 0 0000204 [IWAIT] swi5: + 8 ffffff007b8c99c0 0 0 0 0000204 [SLPQ - 0xffffff0000848200][SLP] kqueue taskq 7 ffffff007b90c000 0 0 0 0000204...

Hello All, I am running NTFS over iSCSI on a ZFS ZVOL volume with compression=gzip-9 and blocksize=8K. The server is 2 core P4 3.0 Ghz with 5 GB of RAM. Whenever I start copying files from Windows onto the ZFS disk, after about 100-200 Mb been copied the server starts to experience freezes. I have iostat running, which freezes as well. Even pings on both of the network adapters are reporting

on Solaris 10 5.10 Generic_118822-23 sun4v sparc SUNW,Sun-Fire-T200 I run #iostat -xn 5 to monitor the IO statistics on SF T2000 server. The system also have a heavy IO load, for some reason iostat donot refresh (no any update). It seems like iostat is calling pause() and stucked there. Also my HBA driver''s interrupt stack trace indicates there is a lot of swtch(), the overall IOPS

...= 0x20:0xc05bc167 stack pointer = 0x28:0xe403ec10 frame pointer = 0x28:0xe403ec2c code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, def32 1, gran 1 processor eflags = resume, IOPL = 0 current process = 23 (em0 taskq) trap number = 12 panic: page fault Uptime: 1d2h53m51s Physical memory: 1015 MB Dumping 224 MB: 209 193 177 161 145 129 113 97 81 65 49 33 17 1 #0 doadump () at pcpu.h:195 195 __asm __volatile("movl %%fs:0,%0" : "=r" (td)); (kgdb) list 190 static __...

...[irq257: isp0] 30 0 0 0 WL [irq16: mfi0] 29 0 0 0 WL [irq256: bce0] 28 0 0 0 WL [irq9: acpi0] 27 0 0 0 SL - 0xc685e900 [thread taskq] 26 0 0 0 WL [swi5: +] 9 0 0 0 SL - 0xc685eb00 [kqueue taskq] 8 0 0 0 SL - 0xc685eb80 [acpi_task_2] 7 0 0 0 SL - 0xc685eb80 [acpi_task_1] 6 0 0 0 SL...

I've been playing around with snapshots lately but I've got a problem on one of my servers running 7-STABLE amd64: FreeBSD paladin 7.1-PRERELEASE FreeBSD 7.1-PRERELEASE #8: Mon Nov 10 20:49:51 GMT 2008 tdb@paladin:/usr/obj/usr/src/sys/PALADIN amd64 I run the mksnap_ffs command to take the snapshot and some time later the system completely freezes up: paladin# cd /u2/.snap/ paladin#

Hello, I believe that ZFS and it''s concepts is truly revolutionary to the point that I no longer see any OS as modern if it does not have comparable storage functionality. Therefore I think that file system/disk manager with similar qualities should be written for Linux. Does Sun have plans to dual license ZFS as GPL so it can be ported to native Linux? If not, is it legal to write