On Thu, Sep 05, 2013 at 05:44:48AM +0300, Konstantin Belousov wrote: > On Thu, Sep 05, 2013 at 12:09:57AM +0000, Pawel Jakub Dawidek wrote: > > Author: pjd > > Date: Thu Sep 5 00:09:56 2013 > > New Revision: 255219 > > URL: http://svnweb.freebsd.org/changeset/base/255219 > > Shortly after the boot of the updated kernel, I get: > > Fatal trap 12: page fault while in kernel mode > cpuid = 7; apic id = 07 > fault virtual address = 0x0 > fault code = supervisor read data, page not present > instruction pointer = 0x20:0xffffffff802f685a > stack pointer = 0x28:0xfffffe0235d50460 > frame pointer = 0x28:0xfffffe0235d504b0 > 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 = 199 (ip6addrctl) > [ thread pid 199 tid 100086 ] > Stopped at 0xffffffff802f685a = fget+0x2a: movq (%rdx),%rax > db> bt > Tracing pid 199 tid 100086 td 0xfffff80005351980 > fget() at 0xffffffff802f685a = fget+0x2a/frame 0xfffffe0235d504b0 > fdesc_lookup() at 0xffffffff80e6d88d = fdesc_lookup+0xed/frame > 0xfffffe0235d50510 > VOP_LOOKUP_APV() at 0xffffffff8057b54e = VOP_LOOKUP_APV+0x12e/frame > 0xfffffe0235d50560 > lookup() at 0xffffffff803d31b0 = lookup+0x5a0/frame 0xfffffe0235d505f0 > namei() at 0xffffffff803d2934 = namei+0x464/frame 0xfffffe0235d506c0 > vn_open_cred() at 0xffffffff803ee78f = vn_open_cred+0x27f/frame > 0xfffffe0235d50810 > kern_openat() at 0xffffffff803e7bfd = kern_openat+0x22d/frame > 0xfffffe0235d50980 > amd64_syscall() at 0xffffffff805387dd = amd64_syscall+0x28d/frame > 0xfffffe0235d50ab0 > Xfast_syscall() at 0xffffffff8051f21b = Xfast_syscall+0xfb/frame > 0xfffffe0235d50ab0 > --- syscall (5, FreeBSD ELF64, sys_open), rip = 0x800942d6a, rsp = > 0x7fffffffcff8, rbp = 0x7fffffffd030 --- > > (gdb) list *fget+0x2a > 0xffffffff802f685a is in fget > (/usr/home/kostik/work/build/bsd/DEV/src/sys/kern/kern_descrip.c:2385). > > I do not have any capsicum-related options in the kernel config.
Do you have some local changes? Could you try to do full buildkernel? There were two compilation issues when CAPABILITIES option was absent in kernel configuration, so something isn't right is you were able to compile your kernel. -- Pawel Jakub Dawidek http://www.wheelsystems.com FreeBSD committer http://www.FreeBSD.org Am I Evil? Yes, I Am! http://mobter.com
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