Date: Fri, 24 Mar 2000 22:19:06 -0800 (PST) From: dforste@uswest.net To: freebsd-gnats-submit@FreeBSD.org Subject: kern/17592: ata READ/WRITE command timeouts Message-ID: <200003250619.WAA61574@freefall.freebsd.org>
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>Number: 17592 >Category: kern >Synopsis: ata READ/WRITE command timeouts >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Fri Mar 24 22:20:01 PST 2000 >Closed-Date: >Last-Modified: >Originator: David Forster >Release: 4.0-RELEASE >Organization: >Environment: FreeBSD maridia 4.0-RELEASE FreeBSD 4.0-RELEASE #0: Fri Mar 24 02:20:42 MST 2000 root@maridia:/usr/src/sys/compile/MARIDIA i386 >Description: Periodicly the ata driver whill report: ad0: READ command timeout - resetting ata0: resetting devices .. done This preatty consitantly happens after the hard drive has been sitting idle for a bit (~20sec?) and then there is an IO request (a similiar message is reported for WRITE requests)...There's a short pause (4-5sec) and then everything works fine... I'm running FreeBSD 4.0-RELEASE (installed from original ISO) on my Sony PCG-748 laptop. The kernel reports: atapci0: <Intel PIIX4 ATA33 controller> port 0xfcd0-0xfcdf at device 7.1 on pci0 ... ad0: 3909MB <FUJITSU MHC2040AT> [7944/16/63] at ata0-master using UDMA33 acd0: CDROM <TOSHIBA CD-ROM XM-1802B> at ata1-master using WDMA2 Basicly Generic kernel + APM, sound and minus extranous hardware >How-To-Repeat: Wait a bit (~20seconds) with no disk activity and then perform READ/WRITE request on IDE drive. >Fix: >Release-Note: >Audit-Trail: >Unformatted: To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message
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