From owner-freebsd-hackers  Mon Oct  9 19:58:52 1995
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Date: Mon, 9 Oct 1995 19:58:49 -0700
From: Jeffrey Hsu <hsu>
Message-Id: <199510100258.TAA04031@freefall.freebsd.org>
To: hackers
Subject: scsi, dump, FreeBSD 1.1 filesystem
Sender: owner-hackers@FreeBSD.org
Precedence: bulk

When I tried to dump a FreeBSD 1.1 filesystem, I get the following errors

Oct  9 18:22:47 armour /kernel: sd1(uha0:5:0): ILLEGAL REQUEST asc:21,0 Logical 
block address out of range
Oct  9 18:22:48 armour last message repeated 38 times
Oct  9 18:22:50 armour /kernel: uha0: uha_scsi_cmd, more than 33 DMA segs
Oct  9 18:22:50 armour /kernel: sd1: oops not queued
Oct  9 18:22:50 armour /kernel: biodone: buffer already done
Oct  9 18:22:50 armour /kernel: uha0: uha_scsi_cmd, more than 33 DMA segs
Oct  9 18:22:50 armour /kernel: sd1: oops not queued
Oct  9 18:22:50 armour /kernel: biodone: buffer already done
Oct  9 18:22:50 armour /kernel: uha0: uha_scsi_cmd, more than 33 DMA segs
Oct  9 18:22:50 armour /kernel: sd1: oops not queued
Oct  9 18:22:50 armour /kernel: biodone: buffer already done
Oct  9 18:22:50 armour /kernel: uha0: uha_scsi_cmd, more than 33 DMA segs
Oct  9 18:22:50 armour /kernel: sd1: oops not queued
Oct  9 18:22:50 armour /kernel: biodone: buffer already done
Oct  9 18:22:50 armour /kernel: uha0: uha_scsi_cmd, more than 33 DMA segs
Oct  9 18:22:51 armour /kernel: sd1: oops not queued

...

What does this mean?