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From: Elliot Finley <efinleywork@efinley.com>
To: Mikhail Teterin <mi+kde@aldan.algebra.com>
Date: Mon, 31 Dec 2007 08:39:54 -0700
Organization: Emery Telcom
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References: <200712301219.29839@aldan>
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Cc: current@FreeBSD.org
Subject: Re: a new way to hang 7.0
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On Sun, 30 Dec 2007 12:19:29 -0500, you wrote:

>The system is a dual-Xeon (i386) running 7.0-PRERELEASE as of Dec 29th.
>
>It went like this:
>
>root@corbulon:/home/mi (102) dump 0auCLf 32 - / | gzip -9 > =
/net/blue/corbulon.root.0.dump.gz
>/net/blue/corbulon.root.0.dump.gz: Read-only file system.
>^C^C [... hang ...]
>
>Indeed, I mistyped the destination path and ended up in the
>non-writable directory.
>
>Something -- I'd guess, it was the snapshot-creation -- hung
>the system solid.
>
>After correcting the destination path and REBOOTING, the dump
>is proceeding. I removed the L-flag too, just in case :(
>
>Is this really a new way, or is it well known already? Thanks!

-L has been hanging systems ever since it existed.  Don't use it.