in case someone is keep tracking this - I can confirm that the issue seems to went away since about week old RELENG_6.
-- Vlad On 3/17/06, Vlad <[EMAIL PROTECTED]> wrote: > and here comes another fresh one > > # kgdb kernel.debug /var/crash/vmcore.1 > [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 "amd64-marcel-freebsd". > > Unread portion of the kernel message buffer: > kernel trap 12 with interrupts disabled > > > Fatal trap 12: page fault while in kernel mode > fault virtual address = 0x48 > fault code = supervisor read, page not present > instruction pointer = 0x8:0xffffffff80263071 > stack pointer = 0x10:0xffffffffa52fe8d0 > frame pointer = 0x10:0xffffff002a2144c0 > code segment = base 0x0, limit 0xfffff, type 0x1b > = DPL 0, pres 1, long 1, def32 0, gran 1 > processor eflags = resume, IOPL = 0 > current process = 12 (swi1: net) > trap number = 12 > panic: page fault > Uptime: 25m3s > Dumping 1023 MB (2 chunks) > chunk 0: 1MB (152 pages) ... ok > chunk 1: 1023MB (261888 pages) 1008 992 976 960 944 928 912 896 880 > 864 848 832 816 800 784 768 752 736 720 704 688 672 656 640 624 608 > 592 576 560 544 528 512 496 480 464 448 432 416 400 384 368 352 336 > 320 304 288 272 256 240 224 208 192 176 160 144 128 112 96 80 64 48 32 > 16 > > #0 doadump () at pcpu.h:172 > 172 __asm __volatile("movq %%gs:0,%0" : "=r" (td)); > (kgdb) list *0xffffffff80263071 > 0xffffffff80263071 is in propagate_priority > (../../../kern/subr_turnstile.c:235). > > 230 /* > 231 * Pick up the lock that td is blocked on. > 232 */ > 233 ts = td->td_blocked; > 234 MPASS(ts != NULL); > 235 tc = TC_LOOKUP(ts->ts_lockobj); > 236 mtx_lock_spin(&tc->tc_lock); > 237 > 238 /* Resort td on the list if needed. */ > 239 if (!turnstile_adjust_thread(ts, td)) { > (kgdb) > 240 mtx_unlock_spin(&tc->tc_lock); > 241 return; > 242 } > 243 mtx_unlock_spin(&tc->tc_lock); > 244 } > 245 } > 246 > 247 /* > 248 * Adjust the thread's position on a turnstile after its > priority has been > 249 * changed. > (kgdb) backtrace > #0 doadump () at pcpu.h:172 > #1 0x0000000000000004 in ?? () > #2 0xffffffff8023c133 in boot (howto=260) at > ../../../kern/kern_shutdown.c:402 > #3 0xffffffff8023c736 in panic (fmt=0xffffff003dc19be0 "@\203(c)=") > at ../../../kern/kern_shutdown.c:558 > #4 0xffffffff8037fa22 in trap_fatal (frame=0xffffff003dc19be0, > eva=18446742975233884992) > at ../../../amd64/amd64/trap.c:660 > #5 0xffffffff8037ff46 in trap (frame= > {tf_rdi = -1098804804416, tf_rsi = 40, tf_rdx = 4294967294, > tf_rcx = -1098475529184, tf_r8 = 1, tf_r9 = 0, tf_rax = 180, tf_rbx = > -1098475529248, tf_rbp = -1098804804416, tf_r10 = -1098804804414, > tf_r11 = 0, tf_r12 = -1098475529248, tf_r13 = -2143389918, tf_r14 = 0, > tf_r15 = 40, tf_trapno = 12, tf_addr = 72, tf_flags = -2144456830, > tf_err = 0, tf_rip = -2144980879, tf_cs = 8, tf_rflags = 65666, tf_rsp > = -1523586848, tf_ss = 0}) at ../../../amd64/amd64/trap.c:238 > #6 0xffffffff8036e32b in calltrap () at ../../../amd64/amd64/exception.S:168 > #7 0xffffffff80263071 in propagate_priority (td=0xffffff002a2144c0) > at ../../../kern/subr_turnstile.c:233 > #8 0xffffffff8026386f in turnstile_wait (lock=0xffffffff80554de0, > owner=0x0) at ../../../kern/subr_turnstile.c:628 > #9 0xffffffff80232369 in _mtx_lock_sleep (m=0xffffffff80554de0, > tid=18446742975234022368, opts=-2, > file=0xffffff003dc19c20 "ю$h'", line=1) at ../../../kern/kern_mutex.c:565 > #10 0xffffffff80288d56 in sf_buf_mext (addr=0xffffff002a2144c0, > args=0xffffff003ecf8260) > at ../../../kern/uipc_syscalls.c:1710 > #11 0xffffffff8027cb39 in mb_free_ext (m=0xffffff003d910e00) at > ../../../kern/uipc_mbuf.c:272 > #12 0xffffffff80283216 in sbdrop_locked (sb=0xffffff00089603c0, len=0) > at mbuf.h:486 > #13 0xffffffff802e5576 in tcp_input (m=0xffffff002b27ac00, > off0=27399968) at ../../../netinet/tcp_input.c:2136 > #14 0xffffffff802dc280 in ip_input (m=0xffffff002b27ac00) at > ../../../netinet/ip_input.c:786 > #15 0xffffffff802c7c8b in netisr_processqueue (ni=0xffffffff8054ffd0) > at ../../../net/netisr.c:236 > #16 0xffffffff802c7f2d in swi_net (dummy=0xffffff002a2144c0) at > ../../../net/netisr.c:349 > #17 0xffffffff80223a06 in ithread_loop (arg=0xffffff00000246c0) at > ../../../kern/kern_intr.c:673 > #18 0xffffffff80222533 in fork_exit (callout=0xffffffff802238c0 > <ithread_loop>, arg=0xffffff00000246c0, > frame=0xffffffffa52fec50) at ../../../kern/kern_fork.c:789 > #19 0xffffffff8036e68e in fork_trampoline () at > ../../../amd64/amd64/exception.S:394 > #20 0x0000000000000000 in ?? () > Previous frame identical to this frame (corrupt stack?) >
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