Date: Sun, 19 May 1996 12:10:08 GMT From: Mikhail Teterin <mi@guest.zipnet.net> To: FreeBSD-gnats-submit@freebsd.org Subject: kern/1217: second IDE-harddrive on the second IDE channel Message-ID: <199605191210.MAA00384@guest.zipnet.net> Resent-Message-ID: <199605191610.JAA03524@freefall.freebsd.org>
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>Number: 1217 >Category: kern >Synopsis: separating to hardrives to two IDE channels hangs the OS >Confidential: no >Severity: critical >Priority: high >Responsible: freebsd-bugs >State: open >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sun May 19 09:10:01 PDT 1996 >Last-Modified: >Originator: Mikhail Teterin >Organization: >Release: FreeBSD 2.2-960501-SNAP i386 >Environment: Embedded PCI dual-channel IDE controller (seen as wdc0 and wdc1) Neptune chip-set. EISA and PCI buses. Pentium-100. NEC Image-P100E machine. Two Conner CFS1257A disks. Custom built kernel. >Description: If I put every disk on it's own IDE channel (motherboard has two IDE plugs), mounting the partition on the second drive goes fine, but attempt to read a file from there hangs the entire machine, although I can do `ls' before reading, and see the correct output. Tried async and read-only mounting also. Same effect. >How-To-Repeat: See description. >Fix: Put the drives on the same IDE channel (as master and slave). But, I thought, I can gain a few percents of performance by splitting them. >Audit-Trail: >Unformatted:
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