I'm seeing a consistent new kernel panic in FreeBSD 8.3: #0 doadump () at pcpu.h:224 224 __asm("movq %%gs:0,%0" : "=r" (td)); (kgdb) #0 doadump () at pcpu.h:224 #1 0xffffffff804c82e0 in boot (howto=260) at ../../../kern/kern_shutdown.c:441 #2 0xffffffff804c8763 in panic (fmt=0x0) at ../../../kern/kern_shutdown.c:614 #3 0xffffffff8069f3cd in trap_fatal (frame=0xffffffff809ecfc0, eva=Variable "eva" is not available.) at ../../../amd64/amd64/trap.c:825 #4 0xffffffff8069f701 in trap_pfault (frame=0xffffff800014a8b0, usermode=0) at ../../../amd64/amd64/trap.c:741 #5 0xffffffff8069fadf in trap (frame=0xffffff800014a8b0) at ../../../amd64/amd64/trap.c:478 #6 0xffffffff806870f4 in calltrap () at ../../../amd64/amd64/exception.S:228 #7 0xffffffff8069d026 in bcopy () at ../../../amd64/amd64/support.S:124 #8 0xffffffff8056ea8e in catchpacket (d=0xffffff00aee2c600, pkt=0xffffff00253ac600 "", pktlen=1434, snaplen=Variable "snaplen" is not available.) at ../../../net/bpf.c:2005 #9 0xffffffff8056f0e5 in bpf_mtap (bp=0xffffff0001be1780, m=0xffffff00253ac600) at ../../../net/bpf.c:1832 #10 0xffffffff80579035 in ether_input (ifp=0xffffff0001b73800, m=0xffffff00253ac600) at ../../../net/if_ethersubr.c:635 #11 0xffffffff802b694a in em_rxeof (rxr=0xffffff0001bca200, count=99, done=0x0) at ../../../dev/e1000/if_em.c:4404 #12 0xffffffff802b6db8 in em_handle_que (context=Variable "context" is not available.) at ../../../dev/e1000/if_em.c:1494 #13 0xffffffff80506de5 in taskqueue_run_locked (queue=0xffffff0001bdd600) at ../../../kern/subr_taskqueue.c:250 #14 0xffffffff80506f7e in taskqueue_thread_loop (arg=Variable "arg" is not available.) at ../../../kern/subr_taskqueue.c:387 #15 0xffffffff8049da2f in fork_exit ( callout=0xffffffff80506f30 <taskqueue_thread_loop>, arg=0xffffff8000945768, frame=0xffffff800014ac50) at ../../../kern/kern_fork.c:876 #16 0xffffffff8068763e in fork_trampoline () at ../../../amd64/amd64/exception.S:602 #17 0x0000000000000000 in ?? ()
(kgdb) frame 8 #8 0xffffffff8056ea8e in catchpacket (d=0xffffff00aee2c600, pkt=0xffffff00253ac600 "", pktlen=1434, snaplen=Variable "snaplen" is not available. ) at ../../../net/bpf.c:2005 2005 bpf_append_bytes(d, d->bd_sbuf, curlen, &hdr, sizeof(hdr)); (kgdb) list 2000 bzero(&hdr, sizeof(hdr)); 2001 hdr.bh_tstamp = *tv; 2002 hdr.bh_datalen = pktlen; 2003 hdr.bh_hdrlen = hdrlen; 2004 hdr.bh_caplen = totlen - hdrlen; 2005 bpf_append_bytes(d, d->bd_sbuf, curlen, &hdr, sizeof(hdr)); 2006 2007 /* 2008 * Copy the packet data into the store buffer and update its length. 2009 */ (kgdb) print *d $2 = {bd_next = {le_next = 0x0, le_prev = 0xffffff0001be1790}, bd_sbuf = 0x0, bd_hbuf = 0x0, bd_fbuf = 0xffffff8000eae000 "?OoP", bd_slen = 0, bd_hlen = 0, bd_bufsize = 8388608, bd_bif = 0xffffff0001be1780, bd_rtout = 1, bd_rfilter = 0xffffff0001e89180, bd_wfilter = 0x0, bd_bfilter = 0x0, bd_rcount = 4, bd_dcount = 0, bd_promisc = 1 '\001', bd_state = 2 '\002', bd_immediate = 1 '\001', bd_hdrcmplt = 1, bd_direction = 0, bd_feedback = 0, bd_async = 0, bd_sig = 23, bd_sigio = 0x0, bd_sel = {si_tdlist = {tqh_first = 0x0, tqh_last = 0xffffff00aee2c690}, si_note = {kl_list = {slh_first = 0x0}, kl_lock = 0xffffffff80497980 <knlist_mtx_lock>, kl_unlock = 0xffffffff80497950 <knlist_mtx_unlock>, kl_assert_locked = 0xffffffff80494630 <knlist_mtx_assert_locked>, kl_assert_unlocked = 0xffffffff80494640 <knlist_mtx_assert_unlocked>, kl_lockarg = 0xffffff00aee2c6d8}, si_mtx = 0xffffff8000de5270}, bd_mtx = {lock_object = {lo_name = 0xffffff0001a5fce0 "bpf", lo_flags = 16973824, lo_data = 0, lo_witness = 0x0}, mtx_lock = 18446742974226712770}, bd_callout = {c_links = {sle = { sle_next = 0x0}, tqe = {tqe_next = 0x0, tqe_prev = 0xffffff80f69c0c00}}, c_time = 20424328, c_arg = 0xffffff00aee2c600, c_func = 0xffffffff8056b690 <bpf_timed_out>, c_lock = 0xffffff00aee2c6d8, c_flags = 2, c_cpu = 0}, bd_label = 0x0, bd_fcount = 4, bd_pid = 95393, bd_locked = 0, bd_bufmode = 1, bd_wcount = 0, bd_wfcount = 0, bd_wdcount = 0, bd_zcopy = 0, bd_compat32 = 0 '\0'} (kgdb) I'm not seeing how bd_sbuf would be NULL here. Any ideas? Guy _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"