From: John David Anglin <dave.anglin@bell.net>
To: Rolf Eike Beer <eike-kernel@sf-tec.de>
Cc: linux-parisc@vger.kernel.org
Subject: Re: HPPA64: Cannot write to ext4 filesystems with files > 28672 byte
Date: Sun, 4 Mar 2012 17:14:14 -0500 [thread overview]
Message-ID: <BLU0-SMTP92018283116845C259EC9F97530@phx.gbl> (raw)
In-Reply-To: <51659a45a16b0a5b0ede44e3f3e830dc.squirrel@webmail.sf-mail.de>
On 27-Feb-12, at 9:55 AM, Rolf Eike Beer wrote:
> Recent kernels (>3.x) fail when writing to ext4 filesystems with the
> message "file too large". The critical size is 28672 byte (7*2^12).
> This
> has been traced down to ext4_max_size() by Tobias Ulmer, which looks
> like
> this:
Fixed in GCC source trees (> 4.4). Problem was incorrect shift caused
by truncation to int.
The following instruction was incorrect:
50: d7 9f 12 1d depdi,z,* -1,sar,3,ret0
The length operand was incorrectly calculated.
Dave
--
John David Anglin dave.anglin@bell.net
next prev parent reply other threads:[~2012-03-04 22:14 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-27 14:55 HPPA64: Cannot write to ext4 filesystems with files > 28672 byte Rolf Eike Beer
2012-03-04 22:14 ` John David Anglin [this message]
2012-03-05 19:02 ` Rolf Eike Beer
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