Date: Wed, 15 Jul 2015 16:19:48 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-net@FreeBSD.org Subject: [Bug 199174] em tx and rx hang Message-ID: <bug-199174-2472-15N4kFYozM@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-199174-2472@https.bugs.freebsd.org/bugzilla/> References: <bug-199174-2472@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=199174 --- Comment #29 from Sean Bruno <sbruno@FreeBSD.org> --- (In reply to david.keller from comment #28) Rick has suggested this. It seems to work, but I'm unsure of the impact. Can you try the following patch to if_em.c and see if it helps? I'm trying to diagnose this here. Index: dev/e1000/if_em.c =================================================================== --- dev/e1000/if_em.c (revision 285481) +++ dev/e1000/if_em.c (working copy) @@ -3034,6 +3034,9 @@ if_setflags(ifp, IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST); if_setioctlfn(ifp, em_ioctl); if_setgetcounterfn(ifp, em_get_counter); + ifp->if_hw_tsomax = 65518; /* 32*MCLBYTES - max_mac_hdr_len*/ + ifp->if_hw_tsomaxsegcount = EM_MAX_SCATTER; + ifp->if_hw_tsomaxsegsize = 65536; #ifdef EM_MULTIQUEUE /* Multiqueue stack interface */ if_settransmitfn(ifp, em_mq_start); -- You are receiving this mail because: You are on the CC list for the bug.
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