Date: Thu, 06 Oct 2016 13:26:42 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-net@FreeBSD.org Subject: [Bug 209682] [panic] [netinet] arptimer race Message-ID: <bug-209682-2472-NQZxtKyHH4@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-209682-2472@https.bugs.freebsd.org/bugzilla/> References: <bug-209682-2472@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=209682 --- Comment #2 from Hans Petter Selasky <hselasky@FreeBSD.org> --- Reproducable with recent 11-STABLE doing ifconfig up/down in sequence. --HPS 270 LLE_REMREF(lle); 271 lltable_unlink_entry(lle->lle_tbl, lle); 272 } 273 IF_AFDATA_UNLOCK(ifp); 274 275 size_t pkts_dropped = llentry_free(lle); 276 277 ARPSTAT_ADD(dropped, pkts_dropped); 278 ARPSTAT_INC(timeouts); 279 (kgdb) bt #0 doadump (textdump=1) at pcpu.h:221 #1 0xffffffff80ae755e in kern_reboot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:366 #2 0xffffffff80ae7b2b in vpanic (fmt=<value optimized out>, ap=<value optimized out>) at /usr/src/sys/kern/kern_shutdown.c:759 #3 0xffffffff80ae7963 in panic (fmt=0x0) at /usr/src/sys/kern/kern_shutdown.c:690 #4 0xffffffff80fc0361 in trap_fatal (frame=0xfffffe0f92146720, eva=952) at /usr/src/sys/amd64/amd64/trap.c:841 #5 0xffffffff80fc0553 in trap_pfault (frame=0xfffffe0f92146720, usermode=0) at /usr/src/sys/amd64/amd64/trap.c:691 #6 0xffffffff80fbfafc in trap (frame=0xfffffe0f92146720) at /usr/src/sys/amd64/amd64/trap.c:442 #7 0xffffffff80fa2e41 in calltrap () at /usr/src/sys/amd64/amd64/exception.S:236 #8 0xffffffff80ae2abb in __rw_wlock_hard (c=<value optimized out>, tid=<value optimized out>, file=<value optimized out>, line=<value optimized out>) at /usr/src/sys/kern/kern_rwlock.c:830 #9 0xffffffff80c60086 in arptimer (arg=<value optimized out>) at /usr/src/sys/netinet/if_ether.c:265 #10 0xffffffff80b01d6a in softclock_call_cc (c=<value optimized out>, cc=<value optimized out>, direct=<value optimized out>) at /usr/src/sys/kern/kern_timeout.c:729 #11 0xffffffff80b022e4 in softclock (arg=<value optimized out>) at /usr/src/sys/kern/kern_timeout.c:867 #12 0xffffffff80aa239f in intr_event_execute_handlers (p=<value optimized out>, ie=<value optimized out>) at /usr/src/sys/kern/kern_intr.c:1262 #13 0xffffffff80aa29b6 in ithread_loop (arg=<value optimized out>) at /usr/src/sys/kern/kern_intr.c:1275 #14 0xffffffff80a9efe5 in fork_exit (callout=0xffffffff80aa28f0 <ithread_loop>, arg=0xfffff8000ad70700, frame=0xfffffe0f92146ac0) at /usr/src/sys/kern/kern_fork.c:1038 #15 0xffffffff80fa337e in fork_trampoline () at /usr/src/sys/amd64/amd64/exception.S:611 #16 0x0000000000000000 in ?? () -- You are receiving this mail because: You are the assignee for the bug.
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