Date: Sat, 14 Nov 1998 14:49:15 +0100 From: Ron Klinkien <root@zappa.demon.nl> To: freebsd-questions@FreeBSD.ORG Subject: Adaptec SCSI messages Message-ID: <19981114144915.A244@zappa.demon.nl>
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I have my FreeBSD system running for a few weeks now, but during bootup there is a long timeout and a message displayed from the adaptec scsi adapter when there is a probe on my scsi disc. Any scsi wizards know what this mean, and what to do? Snippits from dmesg: --- ahc0: <Adaptec aic7890/91 Ultra2 SCSI adapter> rev 0x00 int a irq 10 on pci0.6.0 ahc0: aic7890/91 Wide Channel A, SCSI Id=7, 16/255 SCBs --- Waiting 4 seconds for SCSI devices to settle (probe6:ahc0:0:6:0): SCB 0x6 - timed out while idle, LASTPHASE == 0x1, SCSISIGI == 0xf4 SEQADDR == 0x15b SSTAT1 == 0x2 (probe6:ahc0:0:6:0): Queuing a BDR SCB (probe6:ahc0:0:6:0): SCB 0x6 - timed out while idle, LASTPHASE == 0x1, SCSISIGI == 0xf4 SEQADDR == 0x15b SSTAT1 == 0x2 (probe6:ahc0:0:6:0): no longer in timeout, status = 34b ahc0: Issued Channel A Bus Reset. 8 SCBs aborted changing root device to da0s1a da0 at ahc0 bus 0 target 6 lun 0 da0: <QUANTUM VIKING II 4.5WLS 3506> Fixed Direct Access SCSI2 device da0: 40.0MB/s transfers (20.0MHz, offset 31, 16bit), Tagged Queueing Enabled da0: 4350MB (8910423 512 byte sectors: 255H 63S/T 554C) --- cd0 at ahc0 bus 0 target 1 lun 0 cd0: <PLEXTOR CD-ROM PX-32TS 1.03> Removable CD-ROM SCSI2 device cd0: 20.0MB/s transfers (20.0MHz, offset 15) cd0: Attempt to query device size failed: NOT READY, Medium not present (da0:ahc0:0:6:0): tagged openings now 63 --- zappa# uname -a FreeBSD zappa.demon.nl 3.0-CURRENT FreeBSD 3.0-CURRENT #6: Thu Nov 12 21:04:50 CET 1998 root@zappa.demon.nl:/usr/src/sys/compile/UMRK5 i386 --- The cdrom device msg comes after 10 seconds during the rest of the bootup. What does the tagged openings msg mean? I get them only if the scsi devices are getting more work to do. It doens't seem to matter how long the scsi timeout is set in the kernel. The Quantum disk is an UltraWide2 type, and so is the onboard scsi controller (Asus P2BS mainboard.) Can I alter scsi driver or kernel parameters to get rid of this timeout delay? Maybe it has something to do with the hd firmware like with some other Quantum disks. All works ok, but the bootup takes a long time. Regards, Ron. -- Running Solaris/SPARC at work, enjoying FreeBSD/PII at home. Ron Klinkien System Engineer ron@zappa.demon.nl http://www.zappa.demon.nl To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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