#contents *em0 trouble [#ea155163] blackhole# pciconf -l -v hostb0@pci0:0:0:0: class=0x060000 card=0x83891033 chip=0x00408086 rev=0x02 hdr=0x00 vendor = 'Intel Corporation' device = 'Core Processor DRAM Controller' class = bridge subclass = HOST-PCI vgapci0@pci0:0:2:0: class=0x030000 card=0x83891033 chip=0x00428086 rev=0x02 hdr=0x00 vendor = 'Intel Corporation' device = 'Core Processor Integrated Graphics Controller' class = display subclass = VGA em0@pci0:0:25:0: class=0x020000 card=0x83891033 chip=0x10ef8086 rev=0x06 hdr=0x00 vendor = 'Intel Corporation' device = '82578DM Gigabit Network Connection' class = network subclass = ethernet Jan 31 06:39:34 blackhole kernel: Trying to mount root from zfs:zroot []... Jan 31 06:39:36 blackhole kernel: blanktime. Jan 31 06:39:36 blackhole kernel: fxp0: link state changed to UP Jan 31 06:39:37 blackhole kernel: em0: link state changed to UP Feb 3 01:35:07 blackhole kernel: em0: watchdog timeout: head = 82, tail = 125 -- resetting Feb 3 01:35:07 blackhole kernel: em0: link state changed to DOWN Feb 3 01:35:10 blackhole kernel: em0: link state changed to UP Feb 3 01:35:16 blackhole kernel: em0: watchdog timeout: head = 0, tail = 2 -- resetting Feb 3 01:35:16 blackhole kernel: em0: link state changed to DOWN Feb 3 01:35:19 blackhole kernel: em0: link state changed to UP blackhole# cat /var/log/all.log Jan 15 00:14:38 blackhole kernel: em0: Watchdog timeout -- resetting Jan 15 00:14:38 blackhole kernel: em0: Queue(0) tdh = 0, hw tdt = 2 Jan 15 00:14:38 blackhole kernel: em0: TX(0) desc avail = 1022,Next TX to Clean = 0 Jan 15 00:15:00 blackhole /usr/sbin/cron[34777]: (root) CMD (/usr/libexec/atrun) Jan 15 00:20:00 blackhole /usr/sbin/cron[34782]: (root) CMD (/usr/libexec/atrun) Jan 15 00:22:00 blackhole /usr/sbin/cron[34784]: (operator) CMD (/usr/libexec/save-entropy) Jan 15 00:24:38 blackhole kernel: em0: Watchdog timeout -- resetting Jan 15 00:24:38 blackhole kernel: em0: Queue(0) tdh = 0, hw tdt = 2 Jan 15 00:24:38 blackhole kernel: em0: TX(0) desc avail = 1022,Next TX to Clean = 0 Jan 15 00:25:00 blackhole /usr/sbin/cron[34808]: (root) CMD (/usr/libexec/atrun) blackhole# cat /var/log/messages Jan 15 02:49:51 blackhole kernel: uhub2: 8 ports with 8 removable, self powered Jan 15 02:49:51 blackhole kernel: Trying to mount root from zfs:zroot []... Jan 15 02:49:52 blackhole kernel: . Jan 15 02:49:53 blackhole kernel: blanktime. Jan 15 02:49:54 blackhole kernel: em0: link state changed to UP Jan 17 00:32:43 blackhole kernel: em0: Watchdog timeout -- resetting Jan 17 00:32:43 blackhole kernel: em0: Queue(0) tdh = 192, hw tdt = 229 Jan 17 00:32:43 blackhole kernel: em0: TX(0) desc avail = 984,Next TX to Clean = 189 Jan 17 11:35:09 blackhole kernel: em0: Watchdog timeout -- resetting Jan 17 11:35:09 blackhole kernel: em0: Queue(0) tdh = 0, hw tdt = 2 Jan 17 11:35:09 blackhole kernel: em0: TX(0) desc avail = 1022,Next TX to Clean = 0 Jan 17 12:10:34 blackhole login: ROOT LOGIN (root) ON ttyv0 Jan 17 12:10:36 blackhole reboot: rebooted by root Jan 17 12:10:36 blackhole syslogd: exiting on signal 15 Jan 17 12:11:14 blackhole syslogd: kernel boot file is /boot/kernel/kernel Jan 17 12:11:14 blackhole kernel: Waiting (max 60 seconds) for system process `vnlru' to stop...done Jan 17 12:11:14 blackhole kernel: Waiting (max 60 seconds) for system process `bufdaemon' to stop...done Jan 17 12:11:14 blackhole kernel: NEC Express5800 の em のドライバーはこちら、 http://www.express.nec.co.jp/linux/distributions/confirm/option/nic/nic.html にありますが、手元のFreeBSD9.x以降の環境ではエラーでコンパイルできませんでした。ググって、 https://downloadcenter.intel.com/download/17509/Network-Adapter-Gigabit-Base-Driver-for-FreeBSD- から、Date: 07/15/2015 版の em-7.5.2.tar.gz をゲット &ref(em-7.5.2.tar.gz); FreeBSD 10.1-RELEASE-p19 な NEC Express5800/110b でコンパイル。 &ref(if_em.ko_FreeBSD10_1); http://subnets.ru/blog/?p=1138 生成したif_em.koを、 mv if_em.ko /boot/modules して、 echo 'if_em_load="YES"' >> /boot/loader.conf echo 'WITHOUT_MODULES=em' >> /etc/make.conf reboot if_em.ko 入れ換え前 root@blackcube2:~ # pciconf -l -v em0@pci0:0:25:0: class=0x020000 card=0x83891033 chip=0x10ef8086 rev=0x06 hdr=0x00 vendor = 'Intel Corporation' device = '82578DM Gigabit Network Connection' class = network subclass = ethernet if_em.ko 入れ換え後 root@blackcube2:~ # pciconf -l -v em0@pci0:0:25:0: class=0x020000 card=0x83891033 chip=0x10ef8086 rev=0x06 hdr=0x00 vendor = 'Intel Corporation' device = '82578DM Gigabit Network Connection' class = network subclass = ethernet なんの変化も無し??? em0@pci0:0:25:0: class=0x020000 card=0x83891033 chip=0x10ef8086 rev=0x06 hdr=0x00 vendor = 'Intel Corporation' device = '82578DM Gigabit Network Connection' class = network subclass = ethernet