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To: current@freebsd.org
From: Poul-Henning Kamp <phk@phk.freebsd.dk>
Date: Sun, 30 Nov 2003 10:38:17 +0100
Message-ID: <24935.1070185097@critter.freebsd.dk>
Subject: amd64/SMP(/ata-raid ?) not happy...
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Timecounters tick every 10.000 msec
GEOM: create disk ad0 dp=0xffffff00eebfaca0
ad0: 35772MB <IBM-DPTA-353750> [72680/16/63] at ata0-master UDMA66
GEOM: create disk ad4 dp=0xffffff00eebfa4a0
ad4: 35304MB <WDC WD360GD-00FNA0> [71730/16/63] at ata2-master UDMA133
GEOM: create disk ad6 dp=0xffffff00eebfa0a0
ad6: 35304MB <WDC WD360GD-00FNA0> [71730/16/63] at ata3-master UDMA133
GEOM: create disk ad8 dp=0xffffff00014c4ea0
ad8: 35304MB <WDC WD360GD-00FNA0> [71730/16/63] at ata4-master UDMA133
GEOM: create disk ar0 dp=0xffffff00f04a3270
ar0: 105913MB <ATA RAID0 array> [13502/255/63] status: READY subdisks:
 disk0 READY on ad4 at ata2-master
 disk1 READY on ad6 at ata3-master
 disk2 READY on ad8 at ata4-master
SMP: AP CPU #1 Launched!
panic: mtx_lock() of spin mutex (null) @ ../../../vm/uma_core.c:1716
cpuid = 1; 
Stack backtrace:
backtrace() at backtrace+0x17
panic() at panic+0x1d2
_mtx_lock_flags() at _mtx_lock_flags+0x4f
uma_zfree_arg() at uma_zfree_arg+0x7e
g_destroy_bio() at g_destroy_bio+0x1b
g_disk_done() at g_disk_done+0x85
biodone() at biodone+0x66
ad_done() at ad_done+0x31
ata_completed() at ata_completed+0x237
taskqueue_run() at taskqueue_run+0x88
taskqueue_swi_run() at taskqueue_swi_run+0x10
ithread_loop() at ithread_loop+0x189
fork_exit() at fork_exit+0xbd
fork_trampoline() at fork_trampoline+0xe
--- trap 0, rip = 0, rsp = 0xffffffffad5b0d30, rbp = 0 ---
Debugger("panic")
Stopped at      Debugger+0x4c:  xchgl   %ebx,0x2caefe
db> 

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@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.