Date: Sun, 30 Nov 2003 19:34:44 -0000 From: Damian Gerow <dgerow@afflictions.org> To: current@freebsd.org Subject: Re: Fatal double fault with 20031116-JPSNAP Message-ID: <20031130193425.GB766@afflictions.org> In-Reply-To: <mailman.1070143620.79526.fcurrent-l@lists.sentex.ca> References: <20031129210742.GA3234@afflictions.org> <mailman.1070141101.72631.fcurrent-l@lists.sentex.ca> <20031129214339.GB3234@afflictions.org> <20031129215122.GA9445@xor.obsecurity.org> <mailman.1070143620.79526.fcurrent-l@lists.sentex.ca>
next in thread | previous in thread | raw e-mail | index | archive | help
Thus spake Damian Gerow (dgerow@afflictions.org) [29/11/03 17:04]:
> But this is a little OT. I'll find some way to update my system, and
> respond back if the problem's fixed or not in a later -CURRENT.
Nope:
# uname -a
FreeBSD 5.2-BETA-20031129-JPSNAP FreeBSD 5.2-BETA-20031129-JPSNAP #0: Sat Nov 29 02:47:57 GMT 2003 root@ushi.jp.freebsd.org:/usr/obj/usr/src/sys/GENERIC i386
# make buildworld
<snip>
panic: Duplicate free of item 0xc1cd8e1c from zone 0xc102e1c0(PV ENTRY)
cpuid = 0;
Debugger("panic")
Stopped at Debugger+0x55: xchgl %ebx,in_Debugger.0
db> trace
Debugger(c0898ddc,0,c08b186e,d8a11c10,100) at Debugger+0x55
panic(c08b186e,c1cd8e1c,c102e1c0,c08b66c4,c08b13a5) at panic+0x156
uma_dbg_free(c102e1c0,0,c1cd8e1c,6d0,0) at uma_dbg_free+0x111
uma_zfree_arg(c102e1c0,c1cd8e1c,0,a2f,c08968de) at uma_zfree_arg+0x123
pmap_remove_pages(c1d0ef60,0,bfc00000,11a,c08968de) at
pmap_remove_pages+0x209
exit1(c4712c80,0,c08968de,65,d8a11d40) at exit1+0x66c
sys_exit(c4712c80,d8a11d14,c08b6d61,3ee,1) at sys_exit+0x41
syscall(2f,2f,2f,bfbfe938,0) at syscall+0x2c0
Xint0x80_syscall() at Xint0x80_syscall+0x1d
--- syscall (1, FreeBSD ELF32, sys_exit), eip = 0x826aa63, esp = 0xbfbfe8f4, ebp = 0xbfbfe910 ---
db> show pcpu 0
cpuid = 0
curthread = 0xc4712c80: pid 34357 "cc1"
curpcb = 0xd8a11da0
fpcurthread = none
idlethread = 0xc1cff640: pid 11 "idle: cpu0"
APIC ID = 0
currentldt = 0x28
spin locks held:
db>
It /does/ take a bit longer to get to, and I didn't see any of the previous
console-flooding messages. But the panic still happens.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20031130193425.GB766>