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From: dbeausan@Mines.Colorado.EDU (David G. Beausang)
Subject: FreeBSD 2.0 problem: uha0:1:1 (sd1) timed out AGAIN; cdrom hung hard
Sender: news@slate.mines.colorado.edu
Message-ID: <1995Jan3.225714.25341@slate.mines.colorado.edu>
Date: Tue, 3 Jan 1995 22:57:14 GMT
Reply-To: dgb@Mines.Colorado.EDU
Organization: Colorado School of Mines
Keywords: uha0 cdrom timed
Lines: 51
FreeBSD 2.0 problem: uha0:1:1 (sd1) timed out AGAIN; cdrom hung hard
Summary:
Any prolonged CD-ROM access hangs system with the error message "uha0:1:1
(sd1) timed out AGAIN".
System:
486DX2-66 VLB (gw2k)
w/ 16MB mem, 256k cache, Micro Firmware Phoenix BIOS upgrade,
UltraStor Ultra 34 host adaptor,
Maxtor LXT-340S 339.7MB disk <6.73>,
Seagate ST31200N 1054.8 MB disk <8648>,
Texel CD-ROM DM-XX24 <K.109>,
SoundBlaster Pro,
ATI Ultra Pro Mach 32 w/ 2MB video RAM,
Crystal Scan 1572FS monitor.
I made the install floppies from the CD-ROM. I installed to the second
hard disk. When attempting to perform the bindist menu install the system
hung with the error message "uha0:1:1 (sd1) timed out AGAIN" repeating.
The disk looked ok but the access led on the CD-ROM drive was constantly
illuminated. The reset button would free the CPU but it took a power
cycle to free the CD-ROM.
I tried booting to single user mode to copy the "distribution" pieces to
/tmp and the system hung with the same symptoms.
Under DOS I copied the "distribution" pieces to a DOS partition, rebooted
under FreeBSD and successfully installed FreeBSD from the DOS partition.
With a fully installed FreeBSD 2.0 system any prolonged CD-ROM access (say
cp -r) eventually (say 20-40 seconds) hangs in the above stated manner.
Both the Walnut and InfoMagic FreeBSD 2.0 CD-ROMs and some other ISO9660
CD-ROM (which I don't remember) hung. I verified that these CD-ROMs were
readable under both DOS and Linux without problems.
The complete FreeBSD boot sequence is:
the MBR on disk one points to LILO on partition two (one is DOS),
the LILO points to disk two, partition two (one is DOS),
the FreeBSD entries made are:
sd(1,a)/kernel -c
>port uha0 0x340
>q
boot sequence completes. Everything functions normally except for a very
reproducible (every time) CD-ROM driver hang.
Any solutions? ideas? pointers? similar occurrences?
Regards,
David Beausang
dgb@mines.colorado.edu