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From: Jonathan Nieder <jrnieder@gmail.com>
To: Brian Gernhardt <brian@gernhardtsoftware.com>
Cc: "git@vger.kernel.org List" <git@vger.kernel.org>,
	David Barr <david.barr@cordelta.com>
Subject: Re: SIGPIPE in t9300-fast-import
Date: Sun, 12 Dec 2010 15:49:09 -0600	[thread overview]
Message-ID: <20101212214909.GA19709@burratino> (raw)
In-Reply-To: <0BB1933F-1C3D-4C24-9C91-263121BF55FB@gernhardtsoftware.com>

Brian Gernhardt wrote:

> 	read blob_id type size <&3 &&
> 	echo "$blob_id $type $size" >response &&
> 	dd of=blob bs=$size count=1 <&3 &&
[...]
> 0+1 records in
> 0+1 records out
> 8139 bytes transferred in 0.000062 secs (131297847 bytes/sec)
> error: git-fast-import died of signal 13
[...]
> I can run help provide diagnostics, if anyone needs more data.

Hmm.  Any idea why dd is ending early?  Does using

	head -c "$size" >blob <&3 &&

or

	dd of=blob bs=1 count=$size <&3 &&

in its place work?  What does the Mac OS X equivalent of

	strace dd of=blob bs=$size count=1 <&3

(dtrace or ktrace, I guess) tell?

Thanks for noticing.

  reply	other threads:[~2010-12-12 21:49 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-12-12 20:49 SIGPIPE in t9300-fast-import Brian Gernhardt
2010-12-12 21:49 ` Jonathan Nieder [this message]
2010-12-12 22:04   ` Brian Gernhardt
2010-12-13  6:31     ` [PATCH jn/fast-import-blob-access] t9300: avoid short reads from dd Jonathan Nieder
2010-12-13  7:21       ` Junio C Hamano
2010-12-13  9:28         ` [PATCH jn/fast-import-blob-access] t9300: use perl "head -c" clone in place of "dd bs=1 count=16000" kluge Jonathan Nieder

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