From: Bron Gondwana <brong@fastmail.fm>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Bron Gondwana <brong@fastmail.fm>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Nick Piggin <npiggin@suse.de>,
Andrew Morton <akpm@linux-foundation.org>,
Rob Mueller <robm@fastmail.fm>
Subject: Re: BUG: mmapfile/writev spurious zero bytes (x86_64/not i386, bisected, reproducable)
Date: Wed, 18 Jun 2008 12:21:15 +1000 [thread overview]
Message-ID: <20080618022115.GA1383@brong.net> (raw)
In-Reply-To: <alpine.LFD.1.10.0806170947380.25099@woody.linux-foundation.org>
On Tue, Jun 17, 2008 at 10:08:24AM -0700, Linus Torvalds wrote:
> On Tue, 17 Jun 2008, Bron Gondwana wrote:
> >
> > And I appear to have sent the one without the usage comments at the top.
> > Here they are:
>
> Very interesting. There's certainly something there.
>
> That said, there's a distracting bug which is visible when doing an strace
>
> lseek(4, 140333890921392, SEEK_SET) = -1 EINVAL (Invalid argument)
> write(4, "\0\0\0\0", 4) = 4
Bah - crap. Sorry about that. I sent you the wrong version of the
code. That's what I get for not putting it in revision control.
That bug exists because I did an htonl on a value that I shouldn't
have.
Bron ( now to read the rest of the thread! )
prev parent reply other threads:[~2008-06-18 2:36 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-17 6:00 BUG: mmapfile/writev spurious zero bytes (x86_64/not i386, bisected, reproducable) Bron Gondwana
2008-06-17 6:02 ` Bron Gondwana
2008-06-17 17:08 ` Linus Torvalds
2008-06-17 17:45 ` Linus Torvalds
2008-06-17 20:16 ` Linus Torvalds
2008-06-17 20:41 ` Linus Torvalds
2008-06-17 21:06 ` Linus Torvalds
2008-06-17 21:16 ` Andi Kleen
2008-06-17 21:24 ` Linus Torvalds
2008-06-17 21:30 ` Andi Kleen
2008-06-17 21:37 ` Linus Torvalds
2008-06-17 21:36 ` Al Viro
2008-06-17 21:42 ` Andi Kleen
2008-06-17 21:49 ` Linus Torvalds
2008-06-17 22:11 ` Al Viro
2008-06-17 22:21 ` Andi Kleen
2008-06-18 6:22 ` Nick Piggin
2008-06-17 21:20 ` Linus Torvalds
2008-06-18 2:27 ` Bron Gondwana
2008-06-18 3:14 ` Bron Gondwana
2008-06-18 4:03 ` Linus Torvalds
2008-06-18 5:11 ` Cyrus mmap vs lseek/write usage - (WAS: BUG: mmapfile/writev spurious zero bytes (x86_64/not i386, bisected, reproducable)) Bron Gondwana
2008-06-18 16:22 ` Linus Torvalds
2008-06-18 23:45 ` Robert Mueller
2008-06-19 0:20 ` Linus Torvalds
2008-10-03 11:44 ` BUG: mmapfile/writev spurious zero bytes still in the wild Bron Gondwana
2008-10-03 13:07 ` Andrew Morton
2008-10-04 0:13 ` Bron Gondwana
2008-06-17 21:15 ` BUG: mmapfile/writev spurious zero bytes (x86_64/not i386, bisected, reproducable) Andi Kleen
2008-06-17 20:58 ` Andi Kleen
2008-06-17 21:14 ` Linus Torvalds
2008-06-17 21:26 ` Andi Kleen
2008-06-17 21:31 ` Linus Torvalds
2008-06-17 21:34 ` Linus Torvalds
2008-06-17 21:34 ` Andi Kleen
2008-06-17 21:46 ` Linus Torvalds
2008-06-18 6:10 ` Nick Piggin
2008-06-18 2:21 ` Bron Gondwana [this message]
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