Date: Fri, 29 Jun 2018 16:24:15 +0000 From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 209682] [panic] [netinet] arptimer race Message-ID: <bug-209682-7501-fzCq05fvCc@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-209682-7501@https.bugs.freebsd.org/bugzilla/> References: <bug-209682-7501@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D209682 --- Comment #12 from Dave Baukus <daveb@spectralogic.com> --- Back in March, 2018, I added hselasky's patch to our 11.1 base. I and have = not seen this issues since. I did not add the patch to our 11.0 release; this b= ug reared its head in our 11.0 based release stream. I do know what triggers this event; I can not reproduce at will, but its se= ems that Hans Petter's patch is worthy. #6 0xffffffff8081908c in trap (frame=3D0xfffffe07c4ff37b0) at sys/amd64/amd64/trap.c:442 #7 0xffffffff807fd341 in calltrap () at sys/amd64/amd64/exception.S:236 #8 0xffffffff80625e64 in arptimer (arg=3D<value optimized out>) at sys/netinet/if_ether.c:265 #9 0xffffffff8050dd0a in softclock_call_cc (c=3D<value optimized out>, cc= =3D<value optimized out>, direct=3D<value optimized out>) Again the ifp from lle->lle_tbl->llt_ifp is invalid: p *$lle->lle_tbl $4 =3D { llt_link =3D { sle_next =3D 0x0 },=20 llt_af =3D 0,=20 llt_hsize =3D 0,=20 lle_head =3D 0xfffff800286a6000,=20 llt_ifp =3D 0x2,=20 llt_lookup =3D 0xc1,=20 llt_alloc_entry =3D 0,=20 llt_delete_entry =3D 0x9,=20 llt_prefix_free =3D 0xc0,=20 llt_dump_entry =3D 0x1667,=20 llt_hash =3D 0,=20 llt_match_prefix =3D 0x1d97,=20 llt_free_entry =3D 0x1a667b,=20 llt_foreach_entry =3D 0x1,=20 llt_link_entry =3D 0,=20 llt_unlink_entry =3D 0,=20 llt_fill_sa_entry =3D 0,=20 llt_free_tbl =3D 0 } --=20 You are receiving this mail because: You are the assignee for the bug.=
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