Date: Fri, 24 Sep 1999 18:24:15 -0700 (PDT) From: jdpf@tislabs.com To: freebsd-gnats-submit@freebsd.org Subject: kern/13941: ncr0: SCSI phase error on GENERIC kernel using Tekram DC-390F Message-ID: <19990925012415.CFBAB14BDC@hub.freebsd.org>
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>Number: 13941 >Category: kern >Synopsis: ncr0: SCSI phase error on GENERIC kernel using Tekram DC-390F >Confidential: no >Severity: serious >Priority: high >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Fri Sep 24 18:30:00 PDT 1999 >Closed-Date: >Last-Modified: >Originator: jonathan ferguson >Release: 3.3-RELEASE >Organization: NAI Labs >Environment: FreeBSD trinity.somewhere.com 3.3-RELEASE FreeBSD 3.3-RELEASE #0: Thu Sep 16 23:40:35 GMT 1999 jkh@highwing.cdrom.com:/usr/src/sys/compile/GENERIC i386 HARDWARE: motherboard: ASUS P3B-F processor: Intel boxed PII-400MHz SCSI Controller: Tekram DC-390F disk: IBM UltraStar 18ES 9.1G UltraHD ram: corsair cm654s128-bx2 128MB SDRAM DIMM PC100 CAS2 network: Intel EtherExpress Pro/100+ PCI video: Jaton67 PCI (based on trident 9685) >Description: upon reboot [hard reboot, "reboot" or ctrl-alt-del], the machine hangs about 35% of the time with the following error output: da0 at ncr0 bus 0 target 6 lun 0 da0: <IBM DNES-309170 SA30> Fixed Direct Access SCSI-3 device da0: 20.000MB/s transfers (20.000MHz, offset 16), Tagged Queueing Enabled da0: 8748MB (17916240 512 byte sectors: 255H 63S/T 1115C) <completely fscks filesystems (clean or dirty makes no difference)> ncr0: SCSI phase error fixup: CCB already dequeued (0xc0a29400) timeout nccb=(0xc0a3b400) (skip) timeout nccb=(0xc0a29000) (skip) timeout nccb=(0xc0a32400) (skip) timeout nccb=(0xc0a29400) (skip) timeout nccb=(0xc0a3b400) (skip) ...repeats above sequence of addresses ad nauseum... machine will only hard-reset at this point. very strange error here. i swapped cables with some others, and it still behaved in the same way, so i suspect the Tekram driver... >How-To-Repeat: reboot or power-cycle the machine. again, it is only repeatable about 35% of the time. this happens on two identically configured machines...btw i ran a trial of reboots so i could id any failure frequencies or patterns: upon fails i would hard-reset the machine. upon successes, i would ctrl-alt-del (reboot) machine: trinity neo 1. scsi err ok 2. ok scsi err 3. scsi err ok 4. ok scsi err 5. scsi err ok 6. ok scsi err 7. ok ok 8. ok ok 9. ok scsi err 10. ok ok 11. ok ok 12. ok scsi err 13. scsi err ok 14. ok scsi err so, 10 fails and 18 successes out of 28 total, it fails about 35% of the time, but the distribution isn't even. >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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