This looks slightly different if I use SCHED_ULE, but the effect is the same. Off the top of my head, I have not been able to find any places where softclock would call schedcpu directly. Suspect locking foobar. Suggest more people us DIAGNOSTIC Poul-Henning ata2-slave: FAILURE - SETFEATURES status=51<READY,DSC,ERROR> error=4<ABORTED> acd0: CDROM <665A> at ata2-slave BIOSPIO acd1: CDROM <SAMSUNG SC-148P> at ata3-master PIO4 lock order reversal 1st 0xc072dca0 callout_dont_sleep (callout_dont_sleep) _at_ kern/kern_timeout.c:223 2nd 0xc072d080 allproc (allproc) _at_ kern/sched_4bsd.c:257 Stack backtrace: backtrace(c06d148d,c072d080,c06cd881,c06cd881,c06cf38b) at backtrace+0x17 witness_lock(c072d080,0,c06cf38b,101,c5061c3c) at witness_lock+0x672 _sx_slock(c072d080,c06cf382,101,8,c06cf0a0) at _sx_slock+0xae schedcpu(0,0,c06cf097,df,c1183140) at schedcpu+0x3f softclock(0,0,c06cbce6,23a,c1189388) at softclock+0x1fb ithread_loop(c1180400,c5061d48,c06cbb54,311,558b0424) at ithread_loop+0x192 fork_exit(c050b090,c1180400,c5061d48) at fork_exit+0xb5 fork_trampoline() at fork_trampoline+0x8 --- trap 0x1, eip = 0, esp = 0xc5061d7c, ebp = 0 --- -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk_at_FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.Received on Sat Nov 15 2003 - 09:36:23 UTC
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