Hello. I have this options in kernel:
makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols options KDB options DDB options GDB What I need more in kernel conf? > 2009/6/6 <ge...@dts.su> >> Hello. >> >> What options I must add to kernel? Can You tell me what I must do when >> system crash next time? >> >> > On 6/6/09, ge...@dts.su <ge...@dts.su> wrote: >> >> Hello, Freebsd-questions. >> >> >> >> After one of new crash I have this: >> >> >> >> 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: >> >> >> >> >> >> Fatal trap 12: page fault while in kernel mode >> >> cpuid = 2; apic id = 02 >> >> fault virtual address = 0x0 >> >> fault code = supervisor read data, page not present >> >> instruction pointer = 0x8:0xffffffff804c4eb8 >> >> stack pointer = 0x10:0xffffff807a0478f0 >> >> frame pointer = 0x10:0xffffff807a047930 >> >> code segment = base 0x0, limit 0xfffff, type 0x1b >> >> = DPL 0, pres 1, long 1, def32 0, gran 1 >> >> processor eflags = interrupt enabled, resume, IOPL = 0 >> >> current process = 32668 (perl5.10.0) >> >> Physical memory: 4082 MB >> >> Dumping 1647 MB: 1632 1616 1600 1584 1568 1552 1536 1520 1504 1488 1472 >> 1456 >> >> 1440 1424 1408 1392 1376 1360 1344 1328 1312 1296 1280 1264 1248 1232 >> 1216 >> >> 1200 1184 1168 1152 1136 1120 1104 1088 1072 1056 1040 1024 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 >> >> >> >> Reading symbols from /boot/kernel/accf_http.ko...Reading symbols from >> >> /boot/kernel/accf_http.ko.symbols...done. >> >> done. >> >> Loaded symbols for /boot/kernel/accf_http.ko >> >> #0 doadump () at pcpu.h:195 >> >> 195 __asm __volatile("movq %%gs:0,%0" : "=r" (td)); >> >> (kgdb) list *0xffffffff804c4eb8 >> >> 0xffffffff804c4eb8 is in pfs_ioctl >> >> (/usr/src/sys/fs/pseudofs/pseudofs_vnops.c:265). >> >> 260 static int >> >> 261 pfs_ioctl(struct vop_ioctl_args *va) >> >> 262 { >> >> 263 struct vnode *vn = va->a_vp; >> >> 264 struct pfs_vdata *pvd = vn->v_data; >> >> 265 struct pfs_node *pn = pvd->pvd_pn; >> >> 266 struct proc *proc; >> >> 267 int error; >> >> 268 >> >> 269 PFS_TRACE(("%s: %lx", pn->pn_name, va->a_command)); >> >> (kgdb) backtrace >> >> #0 doadump () at pcpu.h:195 >> >> #1 0xffffffff801c8dac in db_fncall (dummy1=Variable "dummy1" is not >> >> available. >> >> ) at /usr/src/sys/ddb/db_command.c:516 >> >> #2 0xffffffff801c92df in db_command (last_cmdp=0xffffffff80b30c88, >> >> cmd_table=0x0, dopager=1) at /usr/src/sys/ddb/db_command.c:413 >> >> #3 0xffffffff801c94f0 in db_command_loop () at >> >> /usr/src/sys/ddb/db_command.c:466 >> >> #4 0xffffffff801cb0d9 in db_trap (type=Variable "type" is not >> available. >> >> ) at /usr/src/sys/ddb/db_main.c:228 >> >> #5 0xffffffff80554e55 in kdb_trap (type=12, code=0, >> tf=0xffffff807a047840) >> >> at /usr/src/sys/kern/subr_kdb.c:524 >> >> #6 0xffffffff807fae80 in trap_fatal (frame=0xffffff807a047840, >> eva=Variable >> >> "eva" is not available. >> >> ) at /usr/src/sys/amd64/amd64/trap.c:752 >> >> #7 0xffffffff807fb254 in trap_pfault (frame=0xffffff807a047840, >> usermode=0) >> >> at /usr/src/sys/amd64/amd64/trap.c:673 >> >> #8 0xffffffff807fbc02 in trap (frame=0xffffff807a047840) at >> >> /usr/src/sys/amd64/amd64/trap.c:444 >> >> #9 0xffffffff807df35e in calltrap () at >> >> /usr/src/sys/amd64/amd64/exception.S:209 >> >> #10 0xffffffff804c4eb8 in pfs_ioctl (va=0xffffff807a047a10) at >> >> /usr/src/sys/fs/pseudofs/pseudofs_vnops.c:264 >> >> #11 0xffffffff805bb1d3 in vn_ioctl (fp=Variable "fp" is not available. >> >> ) at vnode_if.h:437 >> >> #12 0xffffffff80562d02 in kern_ioctl (td=0xffffff0006682000, fd=3, >> >> com=1076655123, data=0xffffff00ad2b7d40 "") at file.h:269 >> >> #13 0xffffffff80563029 in ioctl (td=0xffffff0006682000, >> >> uap=0xffffff807a047bf0) at /usr/src/sys/kern/sys_generic.c:571 >> >> #14 0xffffffff807fb4d6 in syscall (frame=0xffffff807a047c80) at >> >> /usr/src/sys/amd64/amd64/trap.c:900 >> >> #15 0xffffffff807df56b in Xfast_syscall () at >> >> /usr/src/sys/amd64/amd64/exception.S:330 >> >> #16 0x0000000800c9c0ec in ?? () >> >> Previous frame inner to this frame (corrupt stack?) >> >> (kgdb) >> >> >> >> >> >> Can You help me? What can I do? Server crash periodicaly... >> >> > Add more debug options to kernel, because dump is not useful >> > with corrupted stack. >> >> >>> For this question, you must debug the kernel by Serial. >> >>> when fatal, you use find the error by command "bt". >> >> >> >>> ------------------ >> >>> Dean >> >>> 2009-06-02 >> >> >> >>> ------------------------------------------------------------- >> >>> 发件人:georg >> >>> 发送日期:2009-06-02 14:51:45 >> >>> 收件人:freebsd-questions >> >>> 抄送: >> >>> 主题:fatal trap 12 >> >> >> >>> Hello, Freebsd-questions. >> >> >> >>> I use FreeBSD 7.2-STABLE amd64. About month ago system was crashed >> >>> with "Fatal trap 12"... >> >>> I bay new hardware and install new FreeBSD 7.2-STABLE amd64. cPanel >> >>> and ASSP (anti spam proxy). And one a day or two days have this: >> >> >> >>> Fatal trap 12: page fault while in kernel mode >> >>> cpuid: = 0; apic id = 00 >> >>> fault virtual address = 0x8000000000 >> >>> fault code = supervisor write data, page not present >> >>> instruction pointer = 0x8:0xffffffff8018b839 >> >>> stack pointer = 0x10:0xffffff807a25d190 >> >>> frame pointer = 0x10:0xea5f >> >>> code segment = base 0x0, limit 0xfffff, type 0x1b >> >>> = DPL 0, pres 1, long 1, def32 0, gran 1 >> >>> processor eflags = interrupt enabled, resume, IOPL = 0 >> >>> current process = 59397 (perl5.10.0) >> >>> trap number = 12 >> >> >> >>> And alway, after crash, I see "current process = perl5.10.0"... >> >> >> >>> Can You help me? >> >> >> >> -- >> Regards, mailto:ge...@dts.su >> Yura >> >> >> >> _______________________________________________ >> freebsd-questions@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-questions >> To unsubscribe, send any mail to " >> freebsd-questions-unsubscr...@freebsd.org" >> > Hello georg, > Here is the glossary of debugging kernel options: > http://www.freebsd.org/doc/en/books/developers-handbook/kerneldebug-options.html > . > v Regards, mailto:ge...@dts.su Yura _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "freebsd-questions-unsubscr...@freebsd.org"