Date: Sat, 07 Dec 2013 20:06:00 +0100 From: Ilya Bakulin <webmaster@kibab.com> To: freebsd-current@freebsd.org Subject: vtnet broken on -CURRENT when using VirtualBox Message-ID: <52A37198.1030506@kibab.com>
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This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --lcnGfi12HdmRg6IuQ96MsdTJ86O2q0CBd Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Hi list, I'm observing a 100%-reproducible panic in the following setup: Host system: FreeBSD 9.1-RELEASE-p7 amd64 $ pkg info | grep virtualbox virtualbox-ose-4.2.18_1 A general-purpose full virtualizer for x86 hardware virtualbox-ose-kmod-4.2.18 VirtualBox kernel module for FreeBSD System in a virtual machine: FreeBSD-CURRENT SVN rev 259064. Virtual machine is created with virtio host-only adapter. When trying to ssh into VM, the system in VM panics with the following message: panic: vtnet_txq_offload: mbuf 0xc309e900 TSO without checksum offload KDB: stack backtrace: db_trace_self_wrapper(c0b4fd4d,a6461,65393030,63333039,c13a29c0,...) at db_trace_self_wrapper+0x2d/frame 0xc23f85a0 kdb_backtrace(c0b4b145,c0c29a7c,c0b9b43d,c23f865c,c23f865c,...) at kdb_backtrace+0x30/frame 0xc23f8608 vpanic(c0c29918,100,c0b9b43d,c23f865c,c23f865c,...) at vpanic+0x80/frame 0xc23f862c kassert_panic(c0b9b43d,c0b9b466,c309e900,8b1,c0dad504,...) at kassert_panic+0xe9/frame 0xc23f8650 vtnet_txq_mq_start_locked(c2e02810,0,c0b9b369,8ea,c2e02810,...) at vtnet_txq_mq_start_locked+0x62b/frame 0xc23f8808 vtnet_txq_mq_start(c2cf7800,c309e900,6,c23f89e0,c23f8866,...) at vtnet_txq_mq_start+0x76/frame 0xc23f8834 ether_output(c2cf7800,c309e900,c23f89e0,c23f89d0,c36639d8,...) at ether_output+0x64b/frame 0xc23f8888 ip_output(c309e900,0,c23f89d0,0,0,...) at ip_output+0x173f/frame 0xc23f89= 38 tcp_output(c36665e0,c342f400,32c,1,c36639d8,...) at tcp_output+0x1cbf/frame 0xc23f8a9c tcp_usr_send(c3410d40,0,c342f400,0,0,...) at tcp_usr_send+0x346/frame 0xc23f8ad0 sosend_generic(c3410d40,0,c23f8c10,0,0,...) at sosend_generic+0x3b3/frame 0xc23f8b40 soo_write(c3142f50,c23f8c10,c2cf0d00,0,c3108620,...) at soo_write+0x5d/frame 0xc23f8b70 dofilewrite(c3142f50,c23f8c10,ffffffff,ffffffff,0,...) at dofilewrite+0x86/frame 0xc23f8ba8 kern_writev(c3108620,3,c23f8c10,0,28c4d608,...) at kern_writev+0x96/frame 0xc23f8bf0 sys_write(c3108620,c23f8cc8,c23f8c98,c076b3a4,c0c36e90,...) at sys_write+0x5c/frame 0xc23f8c40 syscall(c23f8d08) at syscall+0x2de/frame 0xc23f8cfc Xint0x80_syscall() at Xint0x80_syscall+0x21/frame 0xc23f8cfc --- syscall (4, FreeBSD ELF32, sys_write), eip =3D 0x2840dd77, esp =3D 0xbfbfb328, ebp =3D 0xbfbfb348 --- KDB: enter: panic [ thread pid 1570 tid 100065 ] Stopped at kdb_enter+0x3d: movl $0,kdb_why db> Please help me to debug this. --=20 Regards, Ilya Bakulin --lcnGfi12HdmRg6IuQ96MsdTJ86O2q0CBd Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG/MacGPG2 v2.0.19 (Darwin) Comment: GPGTools - http://gpgtools.org iEYEARECAAYFAlKjcZsACgkQo9vlj1oadwir8ACggj5NJhdAlAPF43YAj0q0lwIg HusAoPL2HkcMF3CmO0b5Ma9sTXyBF6Fb =7vmf -----END PGP SIGNATURE----- --lcnGfi12HdmRg6IuQ96MsdTJ86O2q0CBd--
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