From owner-freebsd-current Fri Jan 19 17:20:21 2001 Delivered-To: freebsd-current@freebsd.org Received: from flood.ping.uio.no (flood.ping.uio.no [129.240.78.31]) by hub.freebsd.org (Postfix) with ESMTP id 6F09E37B400 for ; Fri, 19 Jan 2001 17:20:03 -0800 (PST) Received: (from des@localhost) by flood.ping.uio.no (8.9.3/8.9.3) id CAA56201; Sat, 20 Jan 2001 02:20:02 +0100 (CET) (envelope-from des@ofug.org) X-URL: http://www.ofug.org/~des/ X-Disclaimer: The views expressed in this message do not necessarily coincide with those of any organisation or company with which I am or have been affiliated. To: current@freebsd.org Subject: ^T at the serial console causes a panic From: Dag-Erling Smorgrav Date: 20 Jan 2001 02:20:01 +0100 Message-ID: Lines: 29 User-Agent: Gnus/5.0802 (Gnus v5.8.2) Emacs/20.4 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG lopanic: mutex_enter(sio:1, MTX_SPIN) out of order @ ../../isa/sio.c:2585 already holding sched lock:2 cpuid = 0; lapic.id = 00000000 Debugger("panic") d CPU0 stopping CPUs: 0x00000002... stopped. Stopped at Debugger+0x45: pushl %ebx db> trace Debugger(c0231e61) at Debugger+0x45 panic(c0230d20,c0252ed3,1,c0252fa3,a19) at panic+0xa5 witness_enter(c029ad60,1,c0252fa3,a19) at witness_enter+0xe5 comstart(c2924300,d4359df8,c0178f7d,c2924300,20) at comstart+0x86 ttstart(c2924300,20,c2924300,2,c2924300) at ttstart+0x18 tputchar(20,c2924300) at tputchar+0x45 putchar(20,d4359ec8) at putchar+0x4f kvprintf(c0235e81,c016f5c0,d4359ec8,a,d4359ee4) at kvprintf+0x8e ttyprintf(c2924300,c0235e80,d3f47b38,515,c0235e71) at ttyprintf+0x2b ttyinfo(c2924300) at ttyinfo+0x157 ttyinput(14,c2924300) at ttyinput+0x591 sioinput(c108a000) at sioinput+0x2a4 siopoll(0) at siopoll+0x19b sithd_loop(0) at sithd_loop+0xa0 fork_trampoline() at fork_trampoline+0x61 I can't get a dump on this box (it double-faults every time I try), but if anyone needs more info I can probably easily reproduce it. DES -- Dag-Erling Smorgrav - des@ofug.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message