Subject: panic on SCSI_TEST kernel
To: None <>
From: Gordon W. Ross <>
List: port-sun3
Date: 11/09/1995 00:28:31
> From:
> Date: Wed, 8 Nov 1995 20:27:19 -0500

> Last night I tried rebuilding the -current kernel using the
> SCSI_TEST kernel from
What is the ident line printed just after boot?

> Sometime during the "make depend" or "make" (I don't know which;
> I left them running when I went to bed), the kernel panic'ed
> with the message:
> sd0: not queuedsd2: not queuedsd2:not queuedsd2:not queuedsd2:not queuedsd2:not queued sd2:not queuedsd4:not queuedsd4:not queuedsd4:not queuedsd4:not queued

That says the driver ran out of "openings" which should not happen
unless the exclusion logic is broken.  How can I reproduce this?
What hardware (machine, disks, etc.) are you using?

> panic: blkfree: freeing free frag
> (etc.)
> after which it put me into the debugger.  not knowing what else to
> do, I rebooted SunOS :)

A backtrace might help (the ddb command is: trace)