Date: Fri, 17 Sep 1999 14:55:07 -0500 From: "Matthew D. Fuller" <fullermd@futuresouth.com> To: current@freebsd.org Subject: Panic (From -chat's Re: Real Audio program that discusses FreeBSD, solaris, and Linux) Message-ID: <19990917145507.A4975@futuresouth.com> In-Reply-To: <Pine.BSF.4.10.9909162320080.5356-100000@sasami.jurai.net>; from scanner@jurai.net on Thu, Sep 16, 1999 at 11:21:51PM -0400 References: <Pine.BSF.4.10.9909162320080.5356-100000@sasami.jurai.net>
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> http://www.thesync.com/etc/archives.html When I tried to view the program linked here, my -CURRENT system went kablouie. FreeBSD mortis.futuresouth.com 4.0-CURRENT FreeBSD 4.0-CURRENT #0: Tue Sep 14 16:48:29 CDT 1999 fullermd@mortis.futuresouth.com:/usr/src/sys/compile/MORTIS i386 I have a coredump. Panic message is: (Yes, I have mastered the skill of dropping to DDB and panicing while in X ;) Fatal trap 12: page fault while in kernel mode mp_lock = 01000002; cpuid = 1; lapic.id = 0c000000 fault virtual address = 0x14 fault code = supervisor read, page not present instruction pointer = 0x8:0xc0162490 stack pointer = 0x10:0xcb1c9d4c frame pointer = 0x10:0xcb1c9d60 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 = 372 (screen-3.7.6) interrupt mask = tty <- SMP: XXX panic: from debugger mp_lock = 01000003; cpuid = 1; lapic.id = 0c000000 boot() called on cpu#1 Ideas? Backtrace looks like: #0 boot (howto=256) at ../../kern/kern_shutdown.c:281 #1 0xc0157319 in panic (fmt=0xc0282090 "feed_root: count == 0") at ../../kern/kern_shutdown.c:531 #2 0xc0215685 in feed_root (feeder=0xc02aa460, buffer=0xcbfcbefe <Address 0xcbfcbefe out of bounds>, count=0, stream=0xce35aefc) at ../../dev/pcm/feeder.c:112 #3 0xc0214c80 in chn_write (c=0xc10d4000, buf=0xce35aefc) at ../../dev/pcm/channel.c:286 #4 0xc0213d70 in dsp_write (d=0xc10d3400, chan=0, buf=0xce35aefc, flag=21) at ../../dev/pcm/dsp.c:187 #5 0xc021321d in sndwrite (i_dev=0xc11e3f00, buf=0xce35aefc, flag=21) at ../../dev/pcm/sound.c:310 #6 0xc018bcc4 in spec_write (ap=0xce35aeb4) at ../../miscfs/specfs/spec_vnops.c:369 #7 0xc0201cb0 in ufsspec_write (ap=0xce35aeb4) at ../../ufs/ufs/ufs_vnops.c:1858 #8 0xc0202251 in ufs_vnoperatespec (ap=0xce35aeb4) at ../../ufs/ufs/ufs_vnops.c:2313 #9 0xc0186032 in vn_write (fp=0xc15d4dc0, uio=0xce35aefc, cred=0xc12e0f00, flags=0) at vnode_if.h:331 #10 0xc0163fc8 in dofilewrite (p=0xce2c8340, fp=0xc15d4dc0, fd=13, buf=0x81cfc88, nbyte=1066, offset=-1, flags=0) at ../../kern/sys_generic.c:363 #11 0xc0163ed7 in write (p=0xce2c8340, uap=0xce35af80) at ../../kern/sys_generic.c:298 #12 0xc0241d76 in syscall (frame={tf_fs = -1078001617, tf_es = 47, tf_ds = -1078001617, tf_edi = 135924656, tf_esi = -1077948116, tf_ebp = -1077948220, tf_isp = -835342380, tf_ebx = 13, tf_edx = 1066, tf_ecx = 136117384, tf_eax = 4, tf_trapno = 12, tf_err = 2, tf_eip = 405666084, tf_cs = 31, tf_eflags = 582, tf_esp = -1077948224, tf_ss = 47}) at ../../i386/i386/trap.c:1056 #13 0xc022f171 in Xint0x80_syscall () -- Matthew Fuller (MF4839) | fullermd@over-yonder.net Unix Systems Administrator | fullermd@futuresouth.com Specializing in FreeBSD | http://www.over-yonder.net/ FutureSouth Communications | ISPHelp ISP Consulting "The only reason I'm burning my candle at both ends, is because I haven't figured out how to light the middle yet" To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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