Date: Wed, 7 Jul 2004 11:55:38 +0000 (UTC) From: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> To: FreeBSD current mailing list <current@freebsd.org> Subject: Fatal trap 12 in microuptime Message-ID: <Pine.BSF.4.53.0407071151380.59767@e0-0.zab2.int.zabbadoz.net>
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Hi,
when PXE booting I am getting this:
--- cut ---
Timecounter "TSC" frequency 133637195 Hz quality 800
Timecounters tickmd0: Preloaded image </head-20040706.bin> 25165824 bytes at 0xc06b9ad4
every 10.000 msec
IPv6 packet filtering initialized, default to accept, unlimited logging
ipfw2 initialized, divert enabled, rule-based forwarding enabled, default to accept, logging unlimited
IPsec: Initialized Security Association Processing.
lo0: bpf attached
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0xd8
fault code = supervisor write, page not present
instruction pointer = 0x8:0xc04947ff
stack pointer = 0x10:0xc2021d58
frame pointer = 0x10:0xc2021d6c
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 0 (swapper)
kernel: type 12 trap, code=0
Stopped at microuptime+0x1f: movl %eax,0(%ebx)
db> where
microuptime(d8,8,c060d18c,c26875cc,c2021d98) at microuptime+0x1f
proc0_post(0,201ec00,201e000,0,c04282f5) at proc0_post+0x36
mi_startup() at mi_startup+0x94
begin() at begin+0x2c
--- cut ---
(kgdb) l *0xc04947ff
0xc04947ff is in microuptime (time.h:128).
123
124 static __inline void
125 bintime2timeval(const struct bintime *bt, struct timeval *tv)
126 {
127
128 tv->tv_sec = bt->sec;
129 tv->tv_usec = ((uint64_t)1000000 * (uint32_t)(bt->frac >> 32)) >> 32;
130 }
131
132 static __inline void
this looks odd to me :(
machine still at DDB prompt so please let me know if you need any
further information or parts of kernel config.
--
Bjoern A. Zeeb bzeeb at Zabbadoz dot NeT
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