NetBSD Problem Report #28675

From  Thu Dec 16 04:39:05 2004
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Date: Wed, 15 Dec 2004 23:38:57 -0500 (EST)
Subject: installation doesn't notice read errors
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>Number:         28675
>Category:       install
>Synopsis:       installation doesn't notice read errors
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    install-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu Dec 16 04:42:00 +0000 2004
>Originator:     Ken Raeburn <>
>Release:        NetBSD 2.0
System: NetBSD 2.0 NetBSD 2.0 (THUD) #0: Mon Dec 13 12:23:18 EST 2004 root@thud:/usr/obj/sys/arch/i386/compile/THUD i386
Architecture: i386
Machine: i386

	I was updating this Pentium (plain old Pentium, not 2/3/4/M)
system to 2.0 from ... something earlier, the kernel was 2.0_BETA but
the userland code may have been older.  I booted from a CD written
with the ISO image from the ftp site.  (i386cd.iso, as multi-1 doesn't
seem to boot on x86)

	During the installation, while the xserver set was being
unpacked, the kernel complained (3 times?) about a "non-media hardware
failure" on cd0.  The installation code displayed an error from gzip,
then happily cleared the screen and told me all sets were installed
correctly.  Re-trying the read from the CD wouldn't surprise me, but
once gzip got an error, I assume the input data stream was toast...

	I can certainly believe the drive might have problems; it's a
CD writer that I've never gotten to write successfully, and I vaguely
recall hearing of problems with the model (HP SureStore 6020).

	Install with a slightly flaky CD drive?
	Monitor i/o and gzip process better for errors.

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