occurs on occasion with network activity. gtk-gnutella, which
generates a lot of network activity, used to make the machine freeze
solid, or panic/reboot.
The following occured while using slrn during a buildworld. Was not
running X at the time, although most of the time, the panics/freezes
occured while X was running.
Interestingly enough, I could switch vt's, despite the fact that ddb>
was on the first vc. Couldn't do anything but switch vt's. The
system wouldn't respond to keyboard input.
BTW, I just copied this down from the screen, so it may have some slight
errors:
panic: headlocked should be 0
Debugger("panic")
Stopped at Debugger+0x54: xchgl %ebx, in_Debugger.0
Debugger(c0372e70,c03d7620,c037c2f9,cd28ab18,1) at Debugger+0x54
panic(c037c2f9,c135982a,cd28ab68,c0ed7c0b,5bc3) at panic+0xab
tcp_input(c0ed7c00,14,c01eo6dd,c03d86c0,1) at tcp_input+0x29ac
ip_input(c0ed7c00,0,c037bf08,3c2,2) at ip_input+0x7d6
ipintr(217,c037233f,c0ebf440,c0ec828d,c0ecaa5d) at ipintr+0x91
swi_net(0,0,c0370d36,217,c0ec99ec) at swi_net+0x2f
ithread_loop(c0ec8280,cd28ad48,c0370bab,35f,3c4eb) at ithread_loop+0x182
fork_exit(c01d7710,c0ec8280,cd28ad48) at fork_exit+0xc4
fork_trampoline() at fork_trampoline+0x1a
uname -a:
FreeBSD daemonstar.zoominternet.net 5.0-CURRENT FreeBSD 5.0-CURRENT #0: Wed Feb 26
03:29:07 EST 2003 [EMAIL PROTECTED]:/usr/obj/usr/src/sys/CUSTOM i386
dmesg showing on of the panics (maybe not same one):
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x24
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc01de7db
stack pointer = 0x10:0xcd2a0c14
frame pointer = 0x10:0xcd2a0c28
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 = 13 (swi7: tty:sio clock)
trap number = 12
panic: page fault
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