Date: Fri, 16 Jan 2004 14:45:20 -0500 From: "Robin P. Blanchard" <robin.blanchard@gactr.uga.edu> To: =?iso-8859-1?Q?Dag-Erling_Sm=F8rgrav?= <des@des.no>, "Scott Long" <scottl@freebsd.org> Cc: current@freebsd.org Subject: RE: Panic with this morning's (~9am EDT, 15 jan 2004) sources. Message-ID: <EE3D3FBAFFCAED448C21C398FDAD91AC0108D8@EBE1.gc.nat>
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> -----Original Message----- > From: Dag-Erling Sm=F8rgrav [mailto:des@des.no]=20 > Sent: Thursday, January 15, 2004 1:51 PM > To: Scott Long > Cc: Robin P. Blanchard; current@freebsd.org > Subject: Re: Panic with this morning's (~9am EDT, 15 jan=20 > 2004) sources. >=20 >=20 > Scott Long <scottl@freebsd.org> writes: > > This is likely due to the new fd allocation code. DES, can=20 > you please=20 > > enable WITNESS and INVARIANTS in your test system and fix this? >=20 > I just committed a fix. >=20 > DES > --=20 > Dag-Erling Sm=F8rgrav - des@des.no >=20 >=20 Grabbed new code from cvsup1 this morning (~9am EDT, 16 jan 04) and am = now panicing in a different location: FreeBSD/i386 bootstrap loader, Revision 1.1 (root@bsdfs5.gactr.uga.edu, Fri Jan 16 11:10:18 EST 2004) Loading /boot/defaults/loader.conf /boot/kernel/kernel text=3D0x277880 data=3D0x2a264+0x56838 syms=3D[0x4+0x36e70+0x4+0x4 3c03] /boot/modules/if_fxp.ko text=3D0x77b4 data=3D0x1014+0xc syms=3D[0x4+0xcf0+0x4+0xdbb] loading required module 'miibus' /boot/modules/miibus.ko text=3D0x15820 data=3D0xc84+0x68 syms=3D[0x4+0x1c60+0x4+0x2328 ] /boot/modules/twe.ko text=3D0x7398 data=3D0x5ac+0x8c = syms=3D[0x4+0xdb0+0x4+0xd1d] Loading /boot/defaults/loader.conf - Hit [Enter] to boot immediately, or any other key for command prompt. Booting [/boot/kernel/kernel]... ACPI_DEBUG: set 'ACPI_EVENTS' ACPI_DEBUG: set 'ACPI_LV_ALL_EXCEPTIONS' ACPI debug layer 0x4 debug level 0x1f Copyright (c) 1992-2004 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights = reserved. FreeBSD 5.2-CURRENT #0: Fri Jan 16 11:58:59 EST 2004 root@bsdfs5.gactr.uga.edu:/usr/obj/usr/src/sys/ule.debug Preloaded elf kernel "/boot/kernel/kernel" at 0xc07a7000. Preloaded elf module "/boot/modules/if_fxp.ko" at 0xc07a726c. Preloaded elf module "/boot/modules/miibus.ko" at 0xc07a7318. Preloaded elf module "/boot/modules/twe.ko" at 0xc07a73c4. Timecounter "i8254" frequency 1193182 Hz quality 0 CPU: Intel Pentium III (851.94-MHz 686-class CPU) Origin =3D "GenuineIntel" Id =3D 0x68a Stepping =3D 10 =20 Features=3D0x383f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,= CMOV,P A T,PSE36,MMX,FXSR,SSE> real memory =3D 536608768 (511 MB) avail memory =3D 519680000 (495 MB) acquiring duplicate lock of same type: "filedesc structure" 1st filedesc structure @ /usr/src/sys/kern/kern_descrip.c:1377 2nd filedesc structure @ /usr/src/sys/kern/kern_descrip.c:1431 Stack backtrace: backtrace(c0662f9a,c065e006,c065e5b2,597,1d8) at backtrace+0x17 witness_lock(c1568838,8,c065e5b2,597,c1568800) at witness_lock+0x5aa _mtx_lock_flags(c1568838,0,c065e5b2,597,a) at _mtx_lock_flags+0x6a fdcopy(c06a9120,0,c065e9a0,1a5,c0685924) at fdcopy+0x46 fork1(c06a8d60,60034,0,c0821d50,64) at fork1+0x61f kthread_create(c04f9930,0,0,40000,0,c065edc1) at kthread_create+0x48 ktrace_init(0,81e000,81ec00,81e000,0) at ktrace_init+0xf5 mi_startup() at mi_startup+0xb5 begin() at begin+0x2c Debugger("witness_lock") Stopped at Debugger+0x55: xchgl %ebx,in_Debugger.0 db> show locks exclusive sleep mutex filedesc structure r =3D 0 (0xc06a9158) locked @ /usr/src/sy s/kern/kern_descrip.c:1377 exclusive sleep mutex Giant r =3D 1 (0xc06ac580) locked @ /usr/src/sys/kern/kern_f ork.c:218 db> tr Debugger(c063c331,c065e006,c065e5b2,597,1d8) at Debugger+0x55 witness_lock(c1568838,8,c065e5b2,597,c1568800) at witness_lock+0x5bf _mtx_lock_flags(c1568838,0,c065e5b2,597,a) at _mtx_lock_flags+0x6a fdcopy(c06a9120,0,c065e9a0,1a5,c0685924) at fdcopy+0x46 fork1(c06a8d60,60034,0,c0821d50,64) at fork1+0x61f kthread_create(c04f9930,0,0,40000,0,c065edc1) at kthread_create+0x48 ktrace_init(0,81e000,81ec00,81e000,0) at ktrace_init+0xf5 mi_startup() at mi_startup+0xb5 begin() at begin+0x2c db> panic panic: from debugger cpuid =3D 0; Stack backtrace: backtrace(c0642d67,0,c0655970,c0821a94,100) at backtrace+0x17 panic(c0655970,c0821b4c,c048a582,c0607825,0) at panic+0x141 db_panic(c0607825,0,ffffffff,c0821ac0,c0821abc) at db_panic+0x12 db_command(c06a43e0,c067dc20,c06777c4,c06777c8,3) at db_command+0x272 db_command_loop(c0607825,c0642d67,2,c0430859,0) at db_command_loop+0x95 db_trap(3,0,0,80046,0) at db_trap+0xc5 kdb_trap(3,0,c0821c18,31,0) at kdb_trap+0x14c trap(c0820018,c0600010,10,c068797c,c1568838) at trap+0x47a calltrap() at calltrap+0x5 --- trap 0x3, eip =3D 0xc0607825, esp =3D 0xc0821c58, ebp =3D 0xc0821c64 = --- Debugger(c063c331,c065e006,c065e5b2,597,1d8) at Debugger+0x55 witness_lock(c1568838,8,c065e5b2,597,c1568800) at witness_lock+0x5bf _mtx_lock_flags(c1568838,0,c065e5b2,597,a) at _mtx_lock_flags+0x6a _mtx_lock_flags(c1568838,0,c065e5b2,597,a) at _mtx_lock_flags+0x6a fork1(c06a8d60,60034,0,c0821d50,64) at fork1+0x61f kthread_create(c04f9930,0,0,40000,0,c065edc1) at kthread_create+0x48 ktrace_init(0,81e000,81ec00,81e000,0) at ktrace_init+0xf5 mi_startup() at mi_startup+0xb5 begin() at begin+0x2c Uptime: 1s WARNING: Driver mistake: make_dev(geom.ctl) called before SI_SUB_DRIVERS kernel trap 12 with interrupts disabled Fatal trap 12: page fault while in kernel mode cpuid =3D 0; apic id =3D 00 fault virtual address =3D 0x14 fault code =3D supervisor read, page not present instruction pointer =3D 0x8:0xc04f53e4 stack pointer =3D 0x10:0xc0821928 frame pointer =3D 0x10:0xc082196c code segment =3D base 0x0, limit 0xfffff, type 0x1b =3D DPL 0, pres 1, def32 1, gran 1 processor eflags =3D resume, IOPL =3D 0 current process =3D 0 (swapper) kernel: type 12 trap, code=3D0 Stopped at fork1+0x414: cmpl %ebx,0x14(%eax) db>
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