Hello Ceri, Sunday, July 23, 2006, 4:40:37 PM, you wrote: CD> With yesterday's -HEAD, while doing a simultaneous CD> 'portupgrade -a' and a 'make buildworld', with the source and object CD> trees for the buildworld on a NFS mount from a 6-STABLE server. CD> Kernel config is GENERIC, plus: CD> device cpufreq CD> device puc CD> device sound CD> device snd_via8233 CD> makeoptions DEBUG=-g CD> options KDB_UNATTENDED CD> This is probably reproducable, as I also experienced a panic yesterday CD> while doing the same thing, but I didn't have dumps configured then. CD> Ceri CD> ----- CD> quinch# uname -a CD> FreeBSD quinch.private.submonkey.net 7.0-CURRENT FreeBSD CD> 7.0-CURRENT #4: Sat Jul 22 18:06:40 BST 2006 CD> root_at_quinch.private.submonkey.net:/usr/obj/usr/src/sys/QUINCH amd64 CD> quinch# kgdb kernel.debug /var/crash/vmcore.0 CD> [GDB will not be able to debug user-mode threads: CD> /usr/lib/libthread_db.so: Undefined symbol "ps_pglobal_lookup"] CD> GNU gdb 6.1.1 [FreeBSD] CD> Copyright 2004 Free Software Foundation, Inc. CD> GDB is free software, covered by the GNU General Public License, and you are CD> welcome to change it and/or distribute copies of it under certain conditions. CD> Type "show copying" to see the conditions. CD> There is absolutely no warranty for GDB. Type "show warranty" for details. CD> This GDB was configured as "amd64-marcel-freebsd". CD> Unread portion of the kernel message buffer: CD> Fatal trap 12: page fault while in kernel mode CD> cpuid = 0; apic id = 00 CD> fault virtual address = 0x48 CD> fault code = supervisor read, page not present CD> instruction pointer = 0x8:0xffffffff80437e89 CD> stack pointer = 0x10:0xffffffff95320750 CD> frame pointer = 0x10:0xffffffff95320780 CD> code segment = base 0x0, limit 0xfffff, type 0x1b CD> = DPL 0, pres 1, long 1, def32 0, gran 1 CD> processor eflags = interrupt enabled, resume, IOPL = 0 CD> current process = 79501 (script) CD> trap number = 12 CD> panic: page fault CD> cpuid = 0 CD> Uptime: 18h46m56s CD> Physical memory: 499 MB CD> Dumping 156 MB: 141 125 109 93 77 61 45 29 13 CD> #0 doadump () at pcpu.h:172 CD> 172 __asm __volatile("movq %%gs:0,%0" : "=r" (td)); CD> (kgdb) list *0xffffffff80437e89 CD> 0xffffffff80437e89 is in _mtx_lock_flags CD> (/usr/src/sys/kern/kern_mutex.c:279). CD> 274 void CD> 275 _mtx_lock_flags(struct mtx *m, int opts, const char *file, int line) CD> 276 { CD> 277 CD> 278 MPASS(curthread != NULL); CD> 279 KASSERT(LOCK_CLASS(&m->mtx_object) == &lock_class_mtx_sleep, CD> 280 ("mtx_lock() of spin mutex %s _at_ %s:%d", m->mtx_object.lo_name, CD> 281 file, line)); CD> 282 WITNESS_CHECKORDER(&m->mtx_object, opts | LOP_NEWORDER | LOP_EXCLUSIVE, CD> 283 file, line); CD> (kgdb) backtrace CD> #0 doadump () at pcpu.h:172 CD> #1 0xffffffff804419c9 in boot (howto=260) at CD> /usr/src/sys/kern/kern_shutdown.c:409 CD> #2 0xffffffff8044145b in panic (fmt=0xffffffff806b262c "%s") CD> at /usr/src/sys/kern/kern_shutdown.c:565 CD> #3 0xffffffff806445ba in trap_fatal (frame=0xc, eva=18446742974411974672) CD> at /usr/src/sys/amd64/amd64/trap.c:690 CD> #4 0xffffffff80644903 in trap_pfault (frame=0xffffffff953206a0, usermode=0) CD> at /usr/src/sys/amd64/amd64/trap.c:609 CD> #5 0xffffffff80644b54 in trap (frame= CD> {tf_rdi = 56, tf_rsi = 0, tf_rdx = -2140004967, tf_rcx = CD> 419, tf_r8 = 1, tf_r9 = -1099297576944, tf_rax = -1099297576944, CD> tf_rbx = 56, tf_rbp = -1791883392, tf_r10 = 0, tf_r11 = CD> -2142509056, tf_r12 = 0, tf_r13 = 419, tf_r14 = -2140004967, CD> tf_r15 = 1, tf_trapno = 12, tf_addr = 72, tf_flags = 582, tf_err = CD> 0, tf_rip = -2143060343, tf_cs = 8, tf_rflags = 66178, tf_rsp = CD> -1791883424, tf_ss = 16}) at /usr/src/sys/amd64/amd64/trap.c:383 CD> #6 0xffffffff8062fccb in calltrap () at CD> /usr/src/sys/amd64/amd64/exception.S:168 CD> #7 0xffffffff80437e89 in _mtx_lock_flags (m=0x38, opts=0, CD> file=0xffffffff80721d99 "/usr/src/sys/kern/vfs_mount.c", line=419) at pcpu.h:169 CD> #8 0xffffffff804a87fe in vfs_ref (mp=0x0) at CD> /usr/src/sys/kern/vfs_mount.c:419 CD> #9 0xffffffff804a53b4 in vop_stdgetwritemount (ap=0xffffffff953207f0) CD> at /usr/src/sys/kern/vfs_default.c:356 CD> #10 0xffffffff8069d547 in VOP_GETWRITEMOUNT_APV CD> (vop=0xffffff000cc22810, a=0xffffffff953207f0) CD> at vnode_if.c:1823 CD> #11 0xffffffff804bcfca in vn_start_write (vp=0xffffff000b9683b0, mpp=0xffffffff95320858, flags=1) CD> at vnode_if.h:951 CD> #12 0xffffffff804bd4ed in vn_close (vp=0xffffff000b9683b0, CD> flags=3, file_cred=0xffffff0014d80300, CD> td=0xffffff000cc22810) at /usr/src/sys/kern/vfs_vnops.c:284 CD> #13 0xffffffff804be88a in vn_closefile (fp=0xffffff0012d40168, td=0xffffff000cc22810) CD> at /usr/src/sys/kern/vfs_vnops.c:870 CD> #14 0xffffffff8041a851 in fdrop_locked (fp=0xffffff0012d40168, CD> td=0xffffff000cc22810) at file.h:296 CD> #15 0xffffffff8041ac84 in closef (fp=0xffffff0012d40168, td=0xffffff000cc22810) CD> at /usr/src/sys/kern/kern_descrip.c:1979 CD> #16 0xffffffff8041c369 in fdfree (td=0xffffff000cc22810) at CD> /usr/src/sys/kern/kern_descrip.c:1653 CD> #17 0xffffffff80426016 in exit1 (td=0xffffff000cc22810, rv=0) at CD> /usr/src/sys/kern/kern_exit.c:280 CD> #18 0xffffffff80426e1e in sys_exit (td=0x38, uap=0x0) at CD> /usr/src/sys/kern/kern_exit.c:101 CD> #19 0xffffffff80645437 in syscall (frame= CD> {tf_rdi = 0, tf_rsi = 34365169976, tf_rdx = 34366229216, CD> tf_rcx = 10, tf_r8 = 0, tf_r9 = 0, tf_rax = 1, tf_rbx = 0, tf_rbp CD> = 30, tf_r10 = 0, tf_r11 = 2, tf_r12 = 140737488348832, tf_r13 = CD> 30, tf_r14 = 0, tf_r15 = 1153657258, tf_trapno = 12, tf_addr = CD> 34367975632, tf_flags = 0, tf_err = 2, tf_rip = 34367821068, tf_cs CD> = 43, tf_rflags = 514, tf_rsp = 140737488346568, tf_ss = 35}) CD> at /usr/src/sys/amd64/amd64/trap.c:825 CD> #20 0xffffffff8062fe68 in Xfast_syscall () at CD> /usr/src/sys/amd64/amd64/exception.S:270 CD> #21 0x00000008007b550c in ?? () CD> Previous frame inner to this frame (corrupt stack?) Sorry, my english is bad :( pcpu.h is broken? My system is i386 HEAD, see KERNCONF in attached kernel.txt, dmesg in dmesg.txt, kldstat in kldstat.txt, version pcpu.h is 1.46. Panic on pcpu.h:166 on my i386-box on high load (make -j3 buildworld + xmms music + glxgears full screen): [orm_at_xxx.ru]/usr/obj/usr/home/cvs-snap/freebsd/current/src/sys/ORM_MODULES> sudo kgdb kernel.debug /var/crash/vmcore.0 [GDB will not be able to debug user-mode threads: /usr/lib/libthread_db.so: Undefined symbol "ps_pglobal_lookup"] GNU gdb 6.1.1 [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-marcel-freebsd". Ready to go. Enter 'tr' to connect to the remote target with /dev/cuad0, 'tr /dev/cuad1' to connect to a different port or 'trf portno' to connect to the remote target with the firewire interface. portno defaults to 5556. Type 'getsyms' after connection to load kld symbols. If you're debugging a local system, you can use 'kldsyms' instead to load the kld symbols. That's a less obnoxious interface. Unread portion of the kernel message buffer: kernel trap 12 with interrupts disabled Fatal trap 12: page fault while in kernel mode cpuid = 0; apic id = 00 fault virtual address = 0x2c fault code = supervisor read, page not present instruction pointer = 0x20:0xc0531cbb stack pointer = 0x28:0xdeaceb7c frame pointer = 0x28:0xdeaceba4 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, def32 1, gran 1 processor eflags = resume, IOPL = 0 current process = 34653 (xmms) trap number = 12 panic: page fault cpuid = 0 Uptime: 50m34s Physical memory: 499 MB Dumping 108 MB: 93 77 61 45 29 13 #0 doadump () at pcpu.h:166 166 __asm __volatile("movl %%fs:0,%0" : "=r" (td)); (kgdb) (kgdb) where #0 doadump () at pcpu.h:166 During symbol reading, Incomplete CFI data; unspecified registers at 0xc0501ba3. #1 0xc0502219 in boot (howto=0x104) at /usr/home/cvs-snap/freebsd/current/src/sys/kern/kern_shutdown.c:409 #2 0xc0502614 in panic (fmt=0xc06c4e57 "%s") at /usr/home/cvs-snap/freebsd/current/src/sys/kern/kern_shutdown.c:565 #3 0xc06a24fc in trap_fatal (frame=0xdeaceb3c, eva=0x0) at /usr/home/cvs-snap/freebsd/current/src/sys/i386/i386/trap.c:869 #4 0xc06a1aae in trap (frame= {tf_fs = 0xc4170008, tf_es = 0xc0720028, tf_ds = 0xdeac0028, tf_edi = 0xc4172b40, tf_esi = 0xc4172b40, tf_ebp = 0xdeaceba4, tf_isp = 0xdeaceb68, tf_ebx = 0xc4172d20, tf_edx = 0xaf, tf_ecx = 0x0, tf_eax = 0x0, tf_trapno = 0xc, tf_err = 0x0, tf_eip = 0xc0531cbb, tf_cs = 0x20, tf_eflags = 0x10082, tf_esp = 0xc4172b40, tf_ss = 0xaf}) at /usr/home/cvs-snap/freebsd/current/src/sys/i386/i386/trap.c:279 #5 0xc068a69a in calltrap () at /usr/home/cvs-snap/freebsd/current/src/sys/i386/i386/exception.s:138 #6 0xc0531cbb in propagate_priority (td=0xc4172b40) at /usr/home/cvs-snap/freebsd/current/src/sys/kern/subr_turnstile.c:246 #7 0xc053285c in turnstile_wait (lock=0xc4173068, owner=0x0, queue=0x0) at /usr/home/cvs-snap/freebsd/current/src/sys/kern/subr_turnstile.c:677 #8 0xc04f719a in _mtx_lock_sleep (m=0xc4173068, tid=0xc4172d20, opts=0x0, file=0x0, line=0x0) at /usr/home/cvs-snap/freebsd/current/src/sys/kern/kern_mutex.c:563 #9 0xc0510fcc in thread_single (mode=0x0) at /usr/home/cvs-snap/freebsd/current/src/sys/kern/kern_thread.c:837 #10 0xc04e6219 in fork1 (td=0xc4172d20, flags=0x14, pages=0x0, procp=0xdeacec7c) at /usr/home/cvs-snap/freebsd/current/src/sys/kern/kern_fork.c:275 #11 0xc04e5d99 in fork (td=0xc4172d20, uap=0xdeaced04) at /usr/home/cvs-snap/freebsd/current/src/sys/kern/kern_fork.c:98 #12 0xc06a2933 in syscall (frame= {tf_fs = 0x825003b, tf_es = 0xbf3f003b, tf_ds = 0xbf3f003b, tf_edi = 0xac44, tf_esi = 0x286b1fa0, tf_ebp = 0xbf2f7e28, tf_isp = 0xdeaced64, tf_ebx = 0x285ba954, tf_edx = 0x0, tf_ecx = 0x82041b0, tf_eax = 0x2, tf_trapno = 0xc, tf_err = 0x2, tf_eip = 0x2861c563, tf_cs = 0x33, tf_eflags = 0x282, tf_esp = 0xbf2f7dcc, tf_ss = 0x3b}) at /usr/home/cvs-snap/freebsd/current/src/sys/i386/i386/trap.c:1015 #13 0xc068a6ef in Xint0x80_syscall () at /usr/home/cvs-snap/freebsd/current/src/sys/i386/i386/exception.s:191 #14 0x00000033 in ?? () Previous frame inner to this frame (corrupt stack?) orm_vartiS aка Валера. E-mail: orm_vartis NOSPAM <atNOSPAM> NOSPAM bk <dotNOSPAM> ru ICQ UIN: 174977614.
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