Here it is: (kgdb) bt #0 doadump () at /usr/RELENG_8/src/sys/kern/kern_shutdown.c:263 #1 0xffffffff8036da50 in boot (howto=260) at /usr/RELENG_8/src/sys/kern/kern_shutdown.c:441 #2 0xffffffff8036def1 in panic (fmt=Variable "fmt" is not available. ) at /usr/RELENG_8/src/sys/kern/kern_shutdown.c:614 #3 0xffffffff80567240 in trap_fatal (frame=0xc, eva=Variable "eva" is not available. ) at /usr/RELENG_8/src/sys/amd64/amd64/trap.c:825 #4 0xffffffff80567591 in trap_pfault (frame=0xffffff807dd4b8a0, usermode=0) at /usr/RELENG_8/src/sys/amd64/amd64/trap.c:741 #5 0xffffffff80567a4f in trap (frame=0xffffff807dd4b8a0) at /usr/RELENG_8/src/sys/amd64/amd64/trap.c:478 #6 0xffffffff8054e584 in calltrap () at /usr/RELENG_8/src/sys/amd64/amd64/exception.S:228 #7 0xffffffff804237f5 in ifindex_alloc_locked (idxp=0xffffff807dd4b99e) at /usr/RELENG_8/src/sys/net/if.c:285 #8 0xffffffff804286e1 in if_alloc (type=71 'G') at /usr/RELENG_8/src/sys/net/if.c:453 #9 0xffffffff81e2f07e in urtw_attach (dev=Variable "dev" is not available. ) at /usr/RELENG_8/src/sys/modules/usb/urtw/../../../dev/usb/wlan/if_urtw.c:856 #10 0xffffffff8039aef9 in device_attach (dev=0xffffff0016fca600) at device_if.h:178 #11 0xffffffff80272649 in usb_probe_and_attach (udev=0xffffff0016e3c800, iface_index=Variable "iface_index" is not available. ) at /usr/RELENG_8/src/sys/dev/usb/usb_device.c:1195 #12 0xffffffff8027aaa1 in uhub_explore (udev=0xffffff0016d98000) at /usr/RELENG_8/src/sys/dev/usb/usb_hub.c:269 #13 0xffffffff802653ec in usb_bus_explore (pm=Variable "pm" is not available. ) at /usr/RELENG_8/src/sys/dev/usb/controller/usb_controller.c:349 #14 0xffffffff8027ead5 in usb_process (arg=Variable "arg" is not available. ) at /usr/RELENG_8/src/sys/dev/usb/usb_process.c:174 #15 0xffffffff803413af in fork_exit (callout=0xffffffff8027ea00 <usb_process>, arg=0xffffff80003f7db0, frame=0xffffff807dd4bc50) at /usr/RELENG_8/src/sys/kern/kern_fork.c:876 #16 0xffffffff8054eace in fork_trampoline () at /usr/RELENG_8/src/sys/amd64/amd64/exception.S:602 #17 0x0000000000000000 in ?? () #18 0x0000000000000000 in ?? () #19 0x0000000000000001 in ?? () #20 0x0000000000000000 in ?? () #21 0x0000000000000000 in ?? () #22 0x0000000000000000 in ?? () #23 0x0000000000000000 in ?? () #24 0x0000000000000000 in ?? () #25 0x0000000000000000 in ?? () #26 0x0000000000000000 in ?? () #27 0x0000000000000000 in ?? () #28 0x0000000000000000 in ?? () #29 0x0000000000000000 in ?? () #30 0x0000000000000000 in ?? () #31 0x0000000000000000 in ?? () #32 0x0000000000000000 in ?? () #33 0x0000000000000000 in ?? () #34 0x0000000000000000 in ?? () #35 0x0000000000000000 in ?? () #36 0x0000000000000000 in ?? () #37 0x0000000000000000 in ?? () #38 0x0000000000000000 in ?? () #39 0x0000000000000000 in ?? () #40 0x0000000000000000 in ?? () #41 0xffffffff808287e8 in sleepq_chains () #42 0xffffff0002904cf0 in ?? () #43 0x0000000000000000 in ?? () #44 0xffffff00029048c0 in ?? () #45 0xffffff807dd4b730 in ?? () #46 0xffffff807dd4b6d8 in ?? () #47 0xffffff000252e000 in ?? () #48 0xffffffff80394462 in sched_switch (td=0xffffffff8027ea00, newtd=0xffffff80003f7db0, flags=dwarf2_read_address: Corrupted DWARF expression. ) at /usr/RELENG_8/src/sys/kern/sched_ule.c:1861 Previous frame inner to this frame (corrupt stack?) (kgdb)
2012/2/15 Sergey Kandaurov <[email protected]>: > On 15 February 2012 13:01, Markiyan Kushnir <[email protected]> > wrote: >> Hello, >> >> [First seen on RELENG_9,] then (trying to get back to 8) on RELENG_8, both >> csup'ed around Feb. 10. >> >> Now worked around by turning the RTL8187L off in the BIOS. >> >> %uname -a >> FreeBSD mkushnir.zapto.org 8.2-STABLE FreeBSD 8.2-STABLE #0: Sat Feb 11 >> 19:39:29 EET 2012 >> [email protected]:/usr/obj/usr/RELENG_8/src/sys/MAREK amd64 >> >> >> Below are the panic info and the full dmesg preceding the panic. Please let >> me know if there is anything more I could provide. >> >> [From my quick source code analysis, it looks like the driver fails to >> recognize the device in if_urtw.c, urtw_get_rfchip(), although later >> proceeds with the attach, which seems not quite logical... Correct behavior >> would probably be to not attach at all.] >> >> >> crash info: >> ----------- >> >> Fatal trap 12: page fault while in kernel mode >> cpuid = 0; apic id = 00 >> fault virtual address = 0x28 >> fault code = supervisor read data, page not present >> instruction pointer = 0x20:0xffffffff803eff25 >> stack pointer = 0x28:0xffffff807df08950 >> frame pointer = 0x28:0xffffff807df08980 >> 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 = 14 (usbus3) >> trap number = 12 >> panic: page fault >> cpuid = 0 >> KDB: stack backtrace: >> db_trace_self_wrapper() at db_trace_self_wrapper+0x2a >> kdb_backtrace() at kdb_backtrace+0x37 >> panic() at panic+0x187 >> trap_fatal() at trap_fatal+0x290 >> trap_pfault() at trap_pfault+0x201 >> trap() at trap+0x3df >> calltrap() at calltrap+0x8 >> --- trap 0xc, rip = 0xffffffff803eff25, rsp = 0xffffff807df08950, rbp = >> 0xffffff807df08980 --- >> ifindex_alloc_locked() at ifindex_alloc_locked+0x25 >> if_alloc() at if_alloc+0x71 >> urtw_attach() at urtw_attach+0x63e >> device_attach() at device_attach+0x69 >> usb_probe_and_attach() at usb_probe_and_attach+0x1f9 >> uhub_explore() at uhub_explore+0x4a1 >> usb_bus_explore() at usb_bus_explore+0xdc >> usb_process() at usb_process+0xd5 >> fork_exit() at fork_exit+0x11f >> fork_trampoline() at fork_trampoline+0xe >> --- trap 0, rip = 0, rsp = 0xffffff807df08d00, rbp = 0 --- >> Uptime: 9s >> Dumping 441 out of 8179 MB:..4%..11%..22%..33%..44%..51%..62%..73%..84%..91% >> > [..] >> WARNING: VIMAGE (virtualized network stack) is a highly experimental > [..] >> savecore: reboot after panic: page fault >> Feb 10 22:33:21 mkushnir savecore: reboot after panic: page fault >> savecore: writing core to vmcore.7 > > Something tells me that the problem may lie in VIMAGE. > > Can you issue the following command: kgdb -n 7 > then in gdb menu run this command: bt > to resolve source lines. > > [ anticipating hte response, I will try to lookup if_alloc+0x71 > for my system built around the same date (w/o vimage though): > 0xffffffff80698211 is in if_alloc (/usr/src/sys/net/if.c:283). > 278 retry: > 279 /* > 280 * Try to find an empty slot below V_if_index. If we > fail, take the > 281 * next slot. > 282 */ > 283 for (idx = 1; idx <= V_if_index; idx++) { > 284 if (V_ifindex_table[idx].ife_ifnet == NULL) > 285 break; > 286 } > 287 > ] > > -- > wbr, > pluknet _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[email protected]"
