Issue #2645 has been reported by jyoung15. ---------------------------------------- Bug #2645: panic with dsched fq and ioprio http://bugs.dragonflybsd.org/issues/2645
* Author: jyoung15 * Status: New * Priority: Normal * Assignee: * Category: Kernel * Target version: ---------------------------------------- System panics under following conditions: # sysctl dsched dsched.policies: noop fq dsched.debug: 0 dsched.policy.default: fq dsched.policy.md0: noop dsched.policy.acd0: noop dsched.policy.10092514011426: noop dsched.policy.da0: fq dsched.policy.da1: fq dsched.policy._____WD-WCAT1H582396: fq dsched.policy.cd0: noop dsched.policy._____WD-WCAT1H604215: fq dsched.fq.version: 1.1 # cat ioprio_test.sh #!/bin/sh rm -f ioprio1 ioprio9 data_file1 data_file9 dd if=/dev/random bs=1m count=1000 of=data_file1 dd if=/dev/random bs=1m count=1000 of=data_file9 time sh -c 'ioprio -n 1 dd if=data_file1 bs=1m count=1000 of=ioprio1; sync; echo ioprio1 done' & time sh -c 'ioprio -n 9 dd if=data_file9 bs=1m count=1000 of=ioprio9; sync; echo ioprio9 done' & # ./ioprio_test.sh (panics here) Issue is reproducible. Using unmodified 3.6-RELEASE with HAMMER FS. Hardware is Dell PowerEdge R415 with LSI (mpt0) RAID card. # uname -a DragonFly NNINPABE1NB02 3.6-RELEASE DragonFly v3.6.0-RELEASE #8: Fri Nov 22 13:22:00 PST 2013 [email protected]:/usr/obj/build/home/justin/src/sys/X86_64_GENERIC x86_64 core.txt.0 and info.0 attached. vmcore.0 can be uploaded upon request. ---Files-------------------------------- core.txt.0 (41.2 KB) info.0 (503 Bytes) -- You have received this notification because you have either subscribed to it, or are involved in it. To change your notification preferences, please click here: http://bugs.dragonflybsd.org/my/account
