Date: Fri, 29 Sep 2017 10:15:36 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 222680] bnxt (iflib model): While VLAN TCP Tx is progress, "ifconfig destroy" caused kernel Crash Message-ID: <bug-222680-8-4mTZL5w1DJ@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-222680-8@https.bugs.freebsd.org/bugzilla/> References: <bug-222680-8@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=222680 --- Comment #1 from Bhargava Chenna. Marreddy <bhargava.marreddy@broadcom.com> --- Crash dump Analysis:- Crash dump analysis:- (kgdb) bt #0 doadump (textdump=1) at pcpu.h:232 #1 0xffffffff80a6f2f5 in kern_reboot (howto=<value optimized out>) at /usr/src_head_322823/sys/kern/kern_shutdown.c:386 #2 0xffffffff80a6f8e1 in vpanic (fmt=<value optimized out>, ap=<value optimized out>) at /usr/src_head_322823/sys/kern/kern_shutdown.c:779 #3 0xffffffff80a6f933 in panic (fmt=0x0) at /usr/src_head_322823/sys/kern/kern_shutdown.c:710 #4 0xffffffff80eff9b4 in trap_fatal (frame=0xfffffe00003f05d0, eva=16) at /usr/src_head_322823/sys/amd64/amd64/trap.c:799 #5 0xffffffff80effbcd in trap_pfault (frame=0xfffffe00003f05d0, usermode=0) at /usr/src_head_322823/sys/amd64/amd64/trap.c:656 #6 0xffffffff80eff18c in trap (frame=0xfffffe00003f05d0) at /usr/src_head_322823/sys/amd64/amd64/trap.c:420 #7 0xffffffff80edf041 in calltrap () at /usr/src_head_322823/sys/amd64/amd64/exception.S:237 #8 0xffffffff80b6d9c1 in ether_nh_input (m=0xfffff8046a82d800) at /usr/src_head_322823/sys/net/if_ethersubr.c:517 #9 0xffffffff80b86740 in netisr_dispatch_src (proto=5, source=0, m=0xfffff8046a82d800) at /usr/src_head_322823/sys/net/netisr.c:1120 #10 0xffffffff80b6d172 in ether_input (ifp=<value optimized out>, m=0x0) at /usr/src_head_322823/sys/net/if_ethersubr.c:759 #11 0xffffffff80b75ad9 in vlan_input (ifp=<value optimized out>, m=<value optimized out>) at /usr/src_head_322823/sys/net/if_vlan.c:1387 #12 0xffffffff80b6cc1c in ether_demux (ifp=0xfffff8022db01800, m=0xfffff8046a82d800) at /usr/src_head_322823/sys/net/if_ethersubr.c:803 #13 0xffffffff80b6dc07 in ether_nh_input (m=<value optimized out>) at /usr/src_head_322823/sys/net/if_ethersubr.c:639 #14 0xffffffff80b86740 in netisr_dispatch_src (proto=5, source=0, m=0xfffff8046a82d800) at /usr/src_head_322823/sys/net/netisr.c:1120 #15 0xffffffff80b6d172 in ether_input (ifp=<value optimized out>, m=0x0) at /usr/src_head_322823/sys/net/if_ethersubr.c:759 #16 0xffffffff80b7f2b6 in _task_fn_rx (context=<value optimized out>) at /usr/src_head_322823/sys/net/iflib.c:2568 #17 0xffffffff80ab0d39 in gtaskqueue_run_locked (queue=<value optimized out>) at /usr/src_head_322823/sys/kern/subr_gtaskqueue.c:329 #18 0xffffffff80ab0ac8 in gtaskqueue_thread_loop (arg=<value optimized out>) at /usr/src_head_322823/sys/kern/subr_gtaskqueue.c:504 #19 0xffffffff80a328c4 in fork_exit (callout=0xffffffff80ab0a40 <gtaskqueue_thread_loop>, arg=0xfffffe0000e39230, frame=0xfffffe00003f0ac0) at /usr/src_head_322823/sys/kern/kern_fork.c:1038 #20 0xffffffff80edf62e in fork_trampoline () at /usr/src_head_322823/sys/amd64/amd64/exception.S:651 #21 0x0000000000000000 in ?? () Current language: auto; currently minimal (kgdb) frame 8 #8 0xffffffff80b6d9c1 in ether_nh_input (m=0xfffff8046a82d800) at /usr/src_head_322823/sys/net/if_ethersubr.c:517 517 ETHER_BPF_MTAP(ifp, m); (kgdb) frame 7 Snip from /usr/src_head_322823/sys/net/ethernet.h ==> /* The ETHER_BPF_MTAP macro should be used by drivers which support hardware offload for VLAN tag processing. It will check the mbuf to see if it has M_VLANTAG set, and if it does, will pass the packet along to ether_vlan_mtap. This function will re-insert VLAN tags for the duration of the tap, so they show up properly for network analyzers. */ {{#define ETHER_BPF_MTAP(_ifp, _m) do Unknown macro: { if (bpf_peers_present((_ifp)->if_bpf)) { \ M_ASSERTVALID(_m); \ if (((_m)->m_flags & M_VLANTAG) != 0) \ ether_vlan_mtap((_ifp)->if_bpf, (_m), NULL, 0); \ else \ bpf_mtap((_ifp)->if_bpf, (_m)); \ } } while (0)}} -- You are receiving this mail because: You are the assignee for the bug.help
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