From owner-freebsd-current  Thu Sep 24 16:52:26 1998
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Date: Thu, 24 Sep 1998 16:46:05 -0700 (PDT)
From: Julian Elischer <julian@whistle.com>
To: "John W. DeBoskey" <jwd@unx.sas.com>
cc: freebsd-current@FreeBSD.ORG
Subject: Re: Massive devfs confusion
In-Reply-To: <199809242242.SAA00779@bb01f39.unx.sas.com>
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you missed that you need to not use devfs for a while because CAM doesn't
support it.


On Thu, 24 Sep 1998, John W. DeBoskey wrote:

> hi,
> 
>    I seem to be having a problem with /devs and my scsi disks
> on my -current system:
> 
> FreeBSD FreeBSD.pc.sas.com 3.0-BETA FreeBSD 3.0-BETA #0: Thu Sep 24 18:12:56 EDT 1998     root@FreeBSD.pc.sas.com:/usr/src/sys/compile/FreeBSD  i386
> 
> 
>    From dmesg:
> 
> DEVFS: ready to run
> ccd0-3: Concatenated disk drivers
> changing root device to wd0s1a
> da0 at ahc0 bus 0 target 1 lun 0
> da0: <SEAGATE ST34572W 0784> Fixed Direct Access SCSI2 device 
> da0: 20.0MB/s transfers (10.0MHz, offset 8, 16bit), Tagged Queueing Enabled
> da0: 4340MB (8888924 512 byte sectors: 255H 63S/T 553C)
> da3 at ahc0 bus 0 target 4 lun 0
> da3: <SEAGATE ST34572W 0784> Fixed Direct Access SCSI2 device 
> da3: 20.0MB/s transfers (10.0MHz, offset 8, 16bit), Tagged Queueing Enabled
> da3: 4340MB (8888924 512 byte sectors: 255H 63S/T 553C)
> da2 at ahc0 bus 0 target 3 lun 0
> da2: <SEAGATE ST34572W 0784> Fixed Direct Access SCSI2 device 
> da2: 20.0MB/s transfers (10.0MHz, offset 8, 16bit), Tagged Queueing Enabled
> da2: 4340MB (8888924 512 byte sectors: 255H 63S/T 553C)
> da1 at ahc0 bus 0 target 2 lun 0
> da1: <SEAGATE ST34572W 0784> Fixed Direct Access SCSI2 device 
> da1: 20.0MB/s transfers (10.0MHz, offset 8, 16bit), Tagged Queueing Enabled
> da1: 4340MB (8888924 512 byte sectors: 255H 63S/T 553C)
> 
> 
>    However, these devices are not showing up in /devs.
> 
> FreeBSD# ls -al /devs/d*
> crw-r-----  1 root  kmem    4,   0 Sep 24 18:24 /devs/drum
> FreeBSD# 
> 
>    From my fstab file:
> 
> devfs                   /devs           devfs   rw              0       0
> 
> 
>    Could someone point out what I am missing?
> 
> thanks,
> John
> 
> ps: I had to create a /dev/xpt0 by hand for camcontrol, it isn't
>     in MAKEDEV.
> 
>     device xpt0 is not listed in LINT... should it not be there?
> 
>     devfs_add_devswf() can return NULL (not documented in the
>     man page), and the rc is not checked in the calls to it from
>     kern/disk_subr.c ....
> 
>     Comments? Critiques? Am I losing my mind? I mean my disks?
> 
> 
>     Ok, I give, I just found one of my disks under /dev/sd0 .. I
>     must have my kernel config file messed up... any ideas?
> 
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