Date: Fri, 15 Nov 1996 10:10:42 +0100 From: Terje Thogersen <terje.thogersen@hda.hydro.com> To: freebsd-scsi@freebsd.org Cc: terje.thogersen@hda.hydro.com Subject: od0(ahc1:4:0)Target Busy, or : My OD-disk times out continuosly Message-ID: <328C3392.3688@hydro.com>
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Hi all! I have FreeBSD 2.1.5 release running on an Cyrix6x86-P150, QDI MB, with an Adaptec 3940 (no U or W) host-adapter. I also have a Fujitsu 2511A 128 MB od disk. I enabled the od driver, and if I tried to read 240.000 bytes from the disk, I'd get about 100 "od0(ahc1:4:0)Target Busy". I poked about a bit, and found the "OD_BOGUS_TIMEOUT" kernel parameter, which looked promising. However, the problem still persists. (yes, after config, make/install kernel + boot) After looking through the code, I found the "Target Busy" in the driver for the Adaptec. I've also found the #ifdef OD_BOGUS_TIMEOUT in the od driver. Problem is : what is the connection between the two? An almost blind guess is that the ahc drives sees the bogus timeout problem and reports it before the od-driver can mask it? Another guess is that this is in fact a real timeout, since the od disk of course slower than a disk. The problem is then : How can I up the timeout for the od-drive? So : Is the OD_BOGUS_TIMEOUT stuff the problem, and how can we fix this, or is this a real timeout, and how can I up the timeout for the od? Regards, -Terje ___________________________________________________________________________ Terje Thøgersen, IS Advisor | E-mail : terje.thogersen@hydro.com Norsk Hydro a.s, Hydro Finance | Tel : +47-2243 2100
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