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From: Linus Torvalds <torvalds@linux-foundation.org>
To: "J. Bruce Fields" <bfields@fieldses.org>
Cc: git@vger.kernel.org
Subject: Re: "failed to read delta base object at..."
Date: Mon, 25 Aug 2008 14:37:39 -0700 (PDT)	[thread overview]
Message-ID: <alpine.LFD.1.10.0808251435540.3363@nehalem.linux-foundation.org> (raw)
In-Reply-To: <20080825213104.GI2213@fieldses.org>



On Mon, 25 Aug 2008, J. Bruce Fields wrote:
> 
> OK.  I seem to recall these pack files are created with something like
> 
> 	open
> 	write
> 	sync
> 	close
> 	rename
> 
> ? 

Yes. We're trying to be _extremely_ safe and only do things that should 
work for everything.

> This is just ext3 with data=writeback on a local laptop disk,
> ubuntu's 2.6.24-21-generic.  Would it be any use trying to look more
> closely at the pack in connection for any hints?

You still have the packfile that caused problems available somewhere? If 
so, absolutely yes. If you have the corrupt pack, please make it 
available.

> (But with my git repo back I'm happy enough to just forget this for now
> if there's not anything obvious to try.)

With the actual corrupt pack, we can make a fairly intelligent guess about 
exactly what the corruption was. Was it a flipped bit, or what? So if you 
have it, please do send it over.

			Linus

  reply	other threads:[~2008-08-25 21:39 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-08-25 16:46 "failed to read delta base object at..." J. Bruce Fields
2008-08-25 18:58 ` Nicolas Pitre
2008-08-25 21:18   ` J. Bruce Fields
2008-08-25 19:01 ` Linus Torvalds
2008-08-25 21:31   ` J. Bruce Fields
2008-08-25 21:37     ` Linus Torvalds [this message]
2008-08-25 22:13       ` J. Bruce Fields
2008-08-25 23:59         ` Linus Torvalds
2008-08-26 20:43           ` Jason McMullan
2008-08-26 21:01             ` Jason McMullan
2008-08-27 17:05               ` Linus Torvalds
2008-08-27 19:17                 ` Nicolas Pitre
2008-08-27 19:48                   ` Linus Torvalds
2008-08-27 20:46                     ` Nicolas Pitre
2008-08-29  2:05                       ` [PATCH 0/3] don't let disk corruptions escape pack SHA1 checksum Nicolas Pitre
2008-08-29  2:07                         ` [PATCH 1/3] improve reliability of fixup_pack_header_footer() Nicolas Pitre
2008-08-29  2:07                           ` [PATCH 2/3] pack-objects: use fixup_pack_header_footer()'s validation mode Nicolas Pitre
2008-08-29  2:07                             ` [PATCH 3/3] index-pack: " Nicolas Pitre
2008-08-29  4:44                           ` [PATCH 1/3] improve reliability of fixup_pack_header_footer() Shawn O. Pearce
2008-08-29 13:08                             ` Nicolas Pitre
2008-08-29 14:30                               ` Shawn O. Pearce
2008-08-29 20:07                                 ` [PATCH 0/5] pack header rewriting improvements Nicolas Pitre
2008-08-29 20:07                                   ` [PATCH 1/5] pack-objects: improve returned information from write_one() Nicolas Pitre
2008-08-29 20:07                                     ` [PATCH 2/5] improve reliability of fixup_pack_header_footer() Nicolas Pitre
2008-08-29 20:08                                       ` [PATCH 3/5] pack-objects: use fixup_pack_header_footer()'s validation mode Nicolas Pitre
2008-08-29 20:08                                         ` [PATCH 4/5] index-pack: " Nicolas Pitre
2008-08-29 20:08                                           ` [PATCH 5/5] fixup_pack_header_footer(): use nicely aligned buffer sizes Nicolas Pitre
2008-08-31  7:10                                             ` Junio C Hamano
2008-08-29 20:14                                 ` [PATCH 1/3] improve reliability of fixup_pack_header_footer() Nicolas Pitre
2008-08-29  4:55                         ` [PATCH 0/3] don't let disk corruptions escape pack SHA1 checksum Shawn O. Pearce
2008-08-26 20:55           ` "failed to read delta base object at..." J. Bruce Fields
2008-08-27 20:14           ` Junio C Hamano

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