Subject: simple_lock: locking against myself while in dump
To: NetBSD-current <current-users@NetBSD.org>
From: Jeff Rizzo <riz@tastylime.net>
List: current-users
Date: 07/18/2007 14:22:19
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I've got a machine running 4.0_BETA2 as of March, and this crash happens
frequently while dumping. Any suggestions of what other information to
gather?
Thanks,
+j
simple_lock: locking against myself
lock: 0xc0a12290, currently at: ../../../../kern/subr_pool.c:935
on CPU 0
last locked: ../../../../kern/subr_pool.c:1292
last unlocked: ../../../../kern/subr_pool.c:1137
ksiginfo_pool(0,0,c5f40fdc,c5f40fdc,0) at 0xc0a12290
Bad frame pointer: 0xc0a12120
Stopped in pid 4581.1 (dump) at netbsd:cpu_Debugger+0x4: popl %=
ebp
db{0}> trace
cpu_Debugger(d03087cc,1,ffff,c0942d5a,c045f7d0) at netbsd:cpu_Debugger+0x=
4
_simple_lock(c0a12290,c091b2fc,3a7,3a4,c0919903) at
netbsd:_simple_lock+0x2fe
pool_get(c0a12220,0,0,fffffffe,d02ca7bc) at netbsd:pool_get+0x7d
ksiginfo_alloc(c09b9e54,c0919903,c091a841,42c,8) at
netbsd:ksiginfo_alloc+0x35
kpsignal2(d02ca7bc,d03088a0,c5f41cac,c0a368c0,0) at netbsd:kpsignal2+0x50=
9
fownsignal(2bf,17,1,41,c5f41cac) at netbsd:fownsignal+0x60
sowakeup(c5f41cac,c5f41d2c,1,c5f5c700,16007c90) at netbsd:sowakeup+0x7d
udp4_sendup(c5f41cac,7c9c90a,7b00,7c9c90a,7b00) at netbsd:udp4_sendup+0xe=
8
udp_input(c5f5fa00,14,11,1,c09b9e54) at netbsd:udp_input+0x3ff
ip_input(c5f5fa00,c0100e0d,d0308a58,c051adc2,4) at netbsd:ip_input+0x657
ipintr(10,c09b0030,c5380010,10,c5f40f78) at netbsd:ipintr+0x24
DDB lost frame for netbsd:Xsoftnet+0x49, trying 0xd0308a60
Xsoftnet() at netbsd:Xsoftnet+0x49
--- interrupt ---
Bad frame pointer: 0xc09d98a0
0x7:
db{0}>
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