On 9/16/2015 6:27 AM, Idwer Vollering wrote:
2015-09-16 8:06 GMT+02:00 Matthew Grooms <[email protected]>:It looks like my screenshot got scrubbed. Here is my hopefully faithful transcription ... Fatal trap 9: general protection fault while in kernel mode cpuid = 3; apic id = 03 instruction pointer = 0x20:0xffffffff80a01105 stack pointer = 0x28:0xfffffe0092fe86f0 frame pointer = 0x28:0xfffffe0092fe8740 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 = 716 (ifconfig) [thread pid 716 tid 100082 ] Stopped at __mtx_lock_flags+0x55: movq (%r13),%rax db> bt Tracing pid 716 tid 100082 td 0xffffff800512814d0 __mtx_lock_flags() at __mtx_lock_flags+0x55/frame 0xfffffe0092fe8740 ieee80211_free_node() at ieee80211_free_node()_0x38/frame 0xfffffe0092fe8780 ieee80211_node_vdetach() at ieee80211_node_vdetach()+0x2d/frame 0xfffffe0092fe87a0 ieee80211_vap_detach() at ieee80211_vap_detach()+0x35e/frame 0xfffffe0092fe87d0 urtwn_vap_delete() at urtwn_vap_delete()+0xe/frame 0xfffffe0092fe87f0 if_clone_destroyif() at if_clone_destroyif()+0x1aa/frame 0xfffffe0092fe8840 if_clone_destroy() at if_clone_destroy()0x8e/frame 0xfffffe0092fe8860 kern_ioctl() at kern_ioctl()+0x230/frame 0xfffffe0092fe88c0 sys_ioctl() at sys_ioctl()+0x153/frame 0xfffffe0092fe89a0 amd64_syscall() at amd64_syscall()+0x282/frame 0xfffffe0092fe8ab0 Xfast_syscall() at Xfast_syscall()+0xfb/frame 0xfffffe0092fe8ab0 -- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x8011e8c8a, rsp = 0x7fffffffe2f8, rbp = 0x7fffffffe310 -- db>Assuming dumpdev="AUTO" is set in /etc/rc.conf, you should have entered 'dump' at the db> blinker :) The trap details are found in /var/crash/, run kgdb: "kgdb /boot/kernel/kernel /var/crash/vmcore.last", then run 'bt' and 'up' at its prompt.
That sounds super useful. I felt like I was fumbling around in the dark at the db prompt :)
Thanks again, -Matthew _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-wireless To unsubscribe, send any mail to "[email protected]"
