Date: Fri, 2 Jul 2004 23:09:50 +0800 From: "csj" <junsu@delphij.net> To: <alpha@freebsd.org> Subject: Alpha Panic in -Current Message-ID: <004d01c46046$ae4b3c80$a3dea1d3@fareast.corp.microsoft.com>
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I met a panic today. However, I didn't get a dump. I paste the error message here. Someone can take a look? Thanks,
Jun Su
unaligned access fault (from ipl 0)
====================================
doselwakeup() at doselwakeup+0xb4
selwakeuppri() at selwakeuppri+0x14
ttwwakeup() at ttwwakeup+0x48
comstart() at comstart+0x42c
comparam() at comparam+0x4d8
sioopen() at sioopen+0x2f0
spec_open() at spec_open+0x378
spec_vnoperate() at spec_vnoperate+0x2c
vn_open_cred() at vn_open_cred+0x440
vn_open() at vn_open+0x24
kern_open() at kern_open+0xf0
open() at open+0x28
syscall() at syscall+0x36c
XentSys() at XentSys+0x64
if (td == NULL) {
2730: 00 00 1d a6 ldq a0,0(gp)
2734: 11 04 ff 47 clr a1
2738: 00 00 5d a6 ldq a2,0(gp)
273c: be 04 7f 22 lda a3,1214
2740: 2a 00 40 e5 beq s1,27ec <doselwakeup+0x14c>
mtx_unlock(&sellock);
return;
}
TAILQ_REMOVE(&td->td_selq, sip, si_thrlist);
2744: 00 00 49 a4 ldq t1,0(s0)
2748: 05 00 40 e4 beq t1,2760 <doselwakeup+0xc0>
274c: 08 00 29 a4 ldq t0,8(s0)
2750: 08 00 22 b4 stq t0,8(t1) <========================= Panic here
2754: 04 00 e0 c3 br 2768 <doselwakeup+0xc8>
2758: 1f 04 ff 47 nop
275c: 00 00 fe 2f unop
2760: 08 00 29 a4 ldq t0,8(s0)
2764: 68 00 2a b4 stq t0,104(s1)
2768: 08 00 49 a4 ldq t1,8(s0)
276c: 00 00 29 a4 ldq t0,0(s0)
2770: 00 00 22 b4 stq t0,0(t1)
sip->si_thread = NULL;
2774: 10 00 e9 b7 stq zero,16(s0)
mtx_lock_spin(&sched_lock);
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