Hi, have a 1 year old 5.1-RELEASE system with SCSI and one 120GB IDE disk. The IDE disk got used for daily dumps since january. Tonight I got this error: kernel: ad0: READ command timeout tag=0 serv=0 - resetting kernel: ata0: resetting devices .. serial console had been unuseable at that point but sshing/telnetting onto the system still worked. A dump had still been running. kill -9 didn't help much nor did reboot. The reboot simply hung other services terminated so no longer been able to telnet onto the machine. Hands on resetted the machine and it got up booting fine, serial console worked. It started background fsck and I went away. 45 minutes later fsck simply hang, had not been able to kill -9 it. this time dmesg showed: ad0: WRITE command timeout tag=0 serv=0 - resetting ata0: resetting devices .. Stopped some services by hand and did some funny things, commented out the ide disk in /etc.fstab and typed reboot. Well the machine ist still up an running: bz_at_machine: {107} w 7:58PM up 1:06, 6 users, load averages: 0.05, 0.16, 0.08 USER TTY FROM LOGIN_at_ IDLE WHAT bz p0 shell 7:30PM 26 ls -l /dump/ bz p1 shell 7:32PM 25 sync bz p2 shell 7:33PM 22 reboot ^^^^^^^^^^ bz p3 shell 7:39PM 11 atacontrol reinit 0 .. bz p5 shell 7:47PM - w see the reboot there :(( I can still log in by ssh, do funny things but everything accessing the IDE disk simply hangs... Unfortunately this is 5.1-RELEASE so no machine# sysctl debug.enter_debugger=ddb sysctl: unknown oid 'debug.enter_debugger' hands on again ... -- Bjoern A. Zeeb bzeeb at Zabbadoz dot NeTReceived on Thu Aug 05 2004 - 16:10:10 UTC
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