Date: Wed, 28 Jul 2004 01:26:12 -0400 From: Alex Vasylenko <lxv@omut.org> To: current@freebsd.org Subject: panic: page fault in sched_rem(td=0x0) Message-ID: <20040728052609.GA27806@tadpole.intranet>
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hardware: i386/SMP build: FreeBSD 5.2-CURRENT #3: Mon Jul 26 01:52:59 EDT 2004 kernel config: http://www.omut.org/~lxv/GENERIC-S dmesg: http://www.omut.org/~lxv/dmesg.tadpole src/sys/kern/sched_ule.c,v 1.118 src/sys/kern/kern_switch.c,v 1.73 src/sys/kern/kern_kse.c,v 1.186 # gdb6 -k kernel.debug.1 vmcore.1 GNU gdb 20040720 [GDB v6.x for FreeBSD] Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i386-portbld-freebsd5.2"... panic: page fault panic messages: --- Fatal trap 12: page fault while in kernel mode cpuid = 1; apic id = 01 fault virtual address = 0x20 fault code = supervisor read, page not present instruction pointer = 0x8:0xc052e462 stack pointer = 0x10:0xd6152948 frame pointer = 0x10:0xd6152960 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, def32 1, gran 1 processor eflags = resume, IOPL = 0 current process = 75006 (firefox-bin) trap number = 12 panic: page fault cpuid = 1; KDB: stack backtrace: kdb_backtrace(c06a7d0d,1,c0693b33,d615288c,100) at kdb_backtrace+0x2e panic(c0693b33,c06bf532,d6152908,1,1) at panic+0x141 trap_fatal(d6152908,20,1,f3,20) at trap_fatal+0x354 trap(c1730018,d6150010,d6150010,0,c2434480) at trap+0x103 calltrap() at calltrap+0x5 --- trap 0xc, eip = 0xc052e462, esp = 0xd6152948, ebp = 0xd6152960 --- sched_rem(c1fd76e0,1,c06a8182,14b,c1fd76e0) at sched_rem+0x12 setrunqueue(c2bb5b00,c1ccbdb0,c06a597c,3e4,1c7d43cb) at setrunqueue+0xdc thread_switchout(c1fd8420,2,c06a842e,129,67204fba) at thread_switchout+0x7d mi_switch(1,0,c06aa450,198,2) at mi_switch+0x293 sleepq_switch(c9247488,c06a6f68,17a,2,d6152a68) at sleepq_switch+0x141 sleepq_wait(c9247488,0,c06a842e,e7,0) at sleepq_wait+0x11 msleep(c9247488,c070e140,44,c06a247c,0) at msleep+0x44a bwait(c9247488,44,c06a247c,2b3,0) at bwait+0x70 spec_getpages(d6152b58,d6152b84,c060153f,d6152b58,129) at spec_getpages+0x1fd spec_vnoperate(d6152b58,129,0,d6152b48,0) at spec_vnoperate+0x18 ffs_getpages(d6152b9c,0,c06ba3d5,26b,c06f77e0) at ffs_getpages+0x63f vnode_pager_getpages(c1ed5ef4,d6152c7c,6,0,d6152c40) at vnode_pager_getpages+0x94 vm_fault(c1e22324,29246000,1,0,c1fd8420) at vm_fault+0x922 trap_pfault(d6152d48,1,292466a0,27c,292466a0) at trap_pfault+0xe9 trap(c065002f,2f,20002f,85a7358,85a73cc) at trap+0x201 calltrap() at calltrap+0x5 --- trap 0xc, eip = 0x292466a0, esp = 0xbfbfcfdc, ebp = 0xbfbfcfe8 --- boot() called on cpu#1 Uptime: 1d15h37m52s Dumping 383 MB 16 32 48 64 80 96 112 128 144 160 176 192 208 224 240 256 272 288 304 320 336 352 368 --- #0 doadump () at pcpu.h:159 159 pcpu.h: No such file or directory. in pcpu.h doadump () at pcpu.h:159 159 in pcpu.h (kgdb) where #0 doadump () at pcpu.h:159 #1 0xc051a1f1 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:392 #2 0xc051a5dd in panic (fmt=0xc0693b33 "%s") at /usr/src/sys/kern/kern_shutdown.c:554 #3 0xc0668d04 in trap_fatal (frame=0xd6152908, eva=0) at /usr/src/sys/i386/i386/trap.c:812 #4 0xc0668373 in trap (frame={tf_fs = -1049427944, tf_es = -703266800, tf_ds = -703266800, tf_edi = 0, tf_esi = -1035778944, tf_ebp = -703256224, tf_isp = -703256268, tf_ebx = 0, tf_edx = -1040353568, tf_ecx = 1, tf_eax = -1040353568, tf_trapno = 12, tf_err = 0, tf_eip = -1068309406, tf_cs = 8, tf_eflags = 2162838, tf_esp = -1067013674, tf_ss = -703255224}) at /usr/src/sys/i386/i386/trap.c:247 #5 0xc065472a in calltrap () at /usr/src/sys/i386/i386/exception.s:140 #6 0xc1730018 in ?? () #7 0xd6150010 in ?? () #8 0xd6150010 in ?? () #9 0x00000000 in ?? () #10 0xc2434480 in ?? () #11 0xd6152960 in ?? () #12 0xd6152934 in ?? () #13 0x00000000 in ?? () #14 0xc1fd76e0 in ?? () #15 0x00000001 in ?? () #16 0xc1fd76e0 in ?? () #17 0x0000000c in ?? () #18 0x00000000 in ?? () #19 0xc052e462 in sched_rem (td=0x0) at /usr/src/sys/kern/sched_ule.c:1656 #20 0xc0520c7c in setrunqueue (td=0xc2bb5b00) at /usr/src/sys/kern/kern_switch.c:362 #21 0xc0506fed in thread_switchout (td=0xc1fd8420) at /usr/src/sys/kern/kern_kse.c:1020 #22 0xc0522363 in mi_switch (flags=477971403, newtd=0x0) at /usr/src/sys/kern/kern_synch.c:351 #23 0xc053d4e1 in sleepq_switch (wchan=0x0) at /usr/src/sys/kern/subr_sleepqueue.c:412 #24 0xc053d711 in sleepq_wait (wchan=0x0) at /usr/src/sys/kern/subr_sleepqueue.c:516 #25 0xc0521f6a in msleep (ident=0xc9247488, mtx=0xc070e140, priority=68, wmesg=0x0, timo=0) at /usr/src/sys/kern/kern_synch.c:240 #26 0xc056bbf0 in bwait (bp=0xc9247488, pri=68 'D', wchan=0xc06a247c "spread") at /usr/src/sys/kern/vfs_bio.c:3770 #27 0xc04dcead in spec_getpages (ap=0xd6152b58) at /usr/src/sys/fs/specfs/spec_vnops.c:755 #28 0xc04db9d8 in spec_vnoperate (ap=0x0) at /usr/src/sys/fs/specfs/spec_vnops.c:118 #29 0xc060153f in ffs_getpages (ap=0xd6152b9c) at vnode_if.h:1317 #30 0xc062d454 in vnode_pager_getpages (object=0xc1ed5ef4, m=0x0, count=24576, reqpage=0) at vnode_if.h:1317 #31 0xc0613982 in vm_fault (map=0xc1e22324, vaddr=690249728, fault_type=1 '\001', fault_flags=0) at vm_pager.h:122 #32 0xc06688b9 in trap_pfault (frame=0xd6152d48, usermode=1, eva=690251424) at /usr/src/sys/i386/i386/trap.c:707 #33 0xc0668471 in trap (frame={tf_fs = -1067122641, tf_es = 47, tf_ds = 2097199, tf_edi = 140145496, tf_esi = 140145612, tf_ebp = -1077948440, tf_isp = -703255180, tf_ebx = 691666224, tf_edx = 137897984, tf_ecx = 140145496, tf_eax = 137897984, tf_trapno = 12, tf_err = 4, tf_eip = 690251424, tf_cs = 31, tf_eflags = 2163330, tf_esp = -1077948452, tf_ss = 47}) at /usr/src/sys/i386/i386/trap.c:316 #34 0xc065472a in calltrap () at /usr/src/sys/i386/i386/exception.s:140 #35 0xc065002f in bios32_init (junk=---Can't read userspace from dump, or kernel process---) at /usr/src/sys/i386/i386/bios.c:139 Previous frame inner to this frame (corrupt stack?) (kgdb)
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