Date: Tue, 15 Oct 2002 03:28:05 +0700 (NOVST) From: Alexey Dokuchaev <danfe@regency.nsu.ru> To: FreeBSD-gnats-submit@FreeBSD.org Subject: kern/44063: Message-ID: <200210142028.g9EKS5Ff073590@regency.nsu.ru>
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>Number: 44063 >Category: kern >Synopsis: >Confidential: no >Severity: serious >Priority: high >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Mon Oct 14 13:30:02 PDT 2002 >Closed-Date: >Last-Modified: >Originator: Alexey Dokuchaev >Release: FreeBSD 4.7-STABLE i386 >Organization: CNIT NSU >Environment: System: FreeBSD regency.nsu.ru 4.7-STABLE FreeBSD 4.7-STABLE #1: Mon Oct 14 21:11:25 NOVST 2002 root@regency.nsu.ru:/usr/src/sys/compile/REGENCY i386 >Description: It seems that certain IBM hard drives confuse FreeBSD ata TQ code: ad0: 76319MB <MAXTOR 4K080H4> [155060/16/63] at ata0-master UDMA100 ad1: 58644MB <IC35L060AVVA07-0> [119150/16/63] at ata0-slave tagged UDMA100 ad2: 117800MB <IC35L120AVVA07-0> [239340/16/63] at ata1-master tagged UDMA100 Waiting 2 seconds for SCSI devices to settle sa0 at ahc0 bus 0 target 2 lun 0 sa0: <HP T4000s 1.07> Removable Sequential Access SCSI-2 device sa0: 3.300MB/s transfers Mounting root from ufs:/dev/ad0s1a ad0: READ command timeout tag=0 serv=0 - resetting ata0: resetting devices .. ad0: DMA limited to UDMA33, non-ATA66 cable or device ad1: invalidating queued requests done ad0: READ command timeout tag=0 serv=0 - resetting ata0: resetting devices .. ad0: DMA limited to UDMA33, non-ATA66 cable or device ad1: invalidating queued requests done ad0: READ command timeout tag=0 serv=0 - resetting ata0: resetting devices .. ad0: DMA limited to UDMA33, non-ATA66 cable or device ad1: invalidating queued requests done ad0: READ command timeout tag=0 serv=0 - resetting ad0: timeout sending command=ef s=d0 e=04 ad0: trying fallback to PIO mode ata0: resetting devices .. ad1: invalidating queued requests done >How-To-Repeat: echo hw.ata.tags=1 >> /boot/loader.conf && reboot >Fix: N/A >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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