On Sat, May 08, 2010 at 01:00:32PM -0700, Weongyo Jeong wrote: > Hello, > > Anyone encountered this panic on recent CURRENT kernel? > > [r...@test ~]# uname -a > FreeBSD test 9.0-CURRENT FreeBSD 9.0-CURRENT #16: Sun May 2 00:24:12 PDT > 2010 r...@test:/usr/obj/usr/src/sys/GENERIC amd64 > > [r...@test /home/freebsd/sys/modules/bwn]# ifconfig wlan0 create wlandev bwn0 > > Fatal trap 12: page fault while in kernel mode > cpuid = 0; apic id = 00 > fault virtual address = 0x0 > fault code = supervisor read instruction, page not present > instruction pointer = 0x20:0x0 > stack pointer = 0x28:0xffffff8073cdd810 > frame pointer = 0x28:0xffffff8073cdd8e0 > 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 = 1795 (ifconfig) > [ thread pid 1795 tid 100096 ] > Stopped at 0: *** error reading from address 0 *** > db> bt > Tracing pid 1795 tid 100096 td 0xffffff0003d8b390 > uart_z8530_class() at 0 uartXXX there is collateral, actual panic happen in the ifc_simple_create().
> ifc_simple_create() at ifc_simple_create+0x89 > if_clone_createif() at if_clone_createif+0x64 > ifioctl() at ifioctl+0x685 > kern_ioctl() at kern_ioctl+0xc5 > ioctl() at ioctl+0xfd > syscall() at syscall+0x102 > Xfast_syscall() at Xfast_syscall+0xe1 > --- syscall (54, FreeBSD ELF64, ioctl), rip = 0x800b86d0c, rsp = > 0x7fffffffe2e8, rbp = 0x7fffffffee36 --- > db> call doadump > Physical memory: 3916 MB > Dumping 1239 MB: 1224 1208 1192 1176 1160 1144 1128 1112 1096 1080 1064 1048 > 1032 1016 1000 984 968 952 936 920 904 888 872 856 840 824 808 792 776 760 > 744 728 712 696 680 664 648 632 616 600 584 568 552 536 520 504 488 472 456 > 440 424 408 392 376 360 344 328 312 296 280 264 248 232 216 200 184 168 152 > 136 120 104 88 72 56 40 24 8 > Dump complete > = 0 > db> reset > > [r...@test ~]# kgdb /boot/kernel/kernel /var/crash/vmcore.1 > 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"... > Cannot access memory at address 0xffffff0127ffffe0 > (kgdb) bt > #0 0x0000000000000000 in ?? () > Cannot access memory at address 0x0 > (kgdb) q > > regards, > Weongyo Jeong > > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"
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