From: Chris Mason <chris.mason@oracle.com>
To: Wu Fengguang <fengguang.wu@intel.com>
Cc: Andi Kleen <andi@firstfloor.org>,
hugh@veritas.com, npiggin@suse.de, riel@redhat.com,
lee.schermerhorn@hp.com, akpm@linux-foundation.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org, x86@kernel.org,
"linux-btrfs@vger.kernel.org" <linux-btrfs@vger.kernel.org>
Subject: Re: btrfs BUG on creating huge sparse file
Date: Wed, 29 Apr 2009 07:40:22 -0400 [thread overview]
Message-ID: <1241005222.19174.1.camel@think.oraclecorp.com> (raw)
In-Reply-To: <20090429082151.GA15170@localhost>
On Wed, 2009-04-29 at 16:21 +0800, Wu Fengguang wrote:
> On Wed, Apr 29, 2009 at 04:16:16PM +0800, Wu Fengguang wrote:
> > On Thu, Apr 09, 2009 at 10:37:39AM -0400, Chris Mason wrote:
> [snip]
> > > PagePrivate is very common. try_to_releasepage failing on a clean page
> > > without the writeback bit set and without dirty/locked buffers will be
> > > pretty rare.
> >
> > Yup. btrfs seems to tag most(if not all) dirty pages with PG_private.
> > While ext4 won't.
>
> Chris, I run into a btrfs BUG() when doing
>
> dd if=/dev/zero of=/b/sparse bs=1k count=1 seek=104857512345
>
> The half created sparse file is
>
> -rw-r--r-- 1 root root 98T 2009-04-29 14:54 /b/sparse
> Or
> -rw-r--r-- 1 root root 107374092641280 2009-04-29 14:54 /b/sparse
>
> Below is the kernel messages. I can test patches you throw at me :-)
>
How big was the FS you were testing this on? It works for me...
-chris
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next prev parent reply other threads:[~2009-04-29 11:41 UTC|newest]
Thread overview: 75+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-07 15:09 [PATCH] [0/16] POISON: Intro Andi Kleen
2009-04-07 15:09 ` [PATCH] [1/16] POISON: Add support for high priority work items Andi Kleen
2009-04-07 15:09 ` [PATCH] [2/16] POISON: Add page flag for poisoned pages Andi Kleen
2009-04-07 21:07 ` Christoph Lameter
2009-04-08 0:29 ` Russ Anderson
2009-04-08 6:26 ` Andi Kleen
2009-04-08 5:14 ` Andrew Morton
2009-04-08 6:24 ` Andi Kleen
2009-04-08 7:00 ` Andrew Morton
2009-04-08 9:38 ` Andi Kleen
2009-04-07 15:09 ` [PATCH] [3/16] POISON: Handle poisoned pages in page free Andi Kleen
2009-04-07 23:21 ` Minchan Kim
2009-04-08 6:51 ` Andi Kleen
2009-04-08 7:39 ` Minchan Kim
2009-04-08 9:41 ` Andi Kleen
2009-04-08 10:05 ` Minchan Kim
2009-04-07 15:10 ` [PATCH] [4/16] POISON: Export some rmap vma locking to outside world Andi Kleen
2009-04-07 15:10 ` [PATCH] [5/16] POISON: Add support for poison swap entries Andi Kleen
2009-04-07 21:11 ` Christoph Lameter
2009-04-07 21:56 ` Andi Kleen
2009-04-07 21:56 ` Christoph Lameter
2009-04-07 22:25 ` Andi Kleen
2009-04-07 15:10 ` [PATCH] [6/16] POISON: Add new SIGBUS error codes for poison signals Andi Kleen
2009-04-07 15:10 ` [PATCH] [7/16] POISON: Add basic support for poisoned pages in fault handler Andi Kleen
2009-05-26 12:55 ` Hidehiro Kawai
2009-05-26 13:18 ` Andi Kleen
2009-04-07 15:10 ` [PATCH] [8/16] POISON: Add various poison checks in mm/memory.c Andi Kleen
2009-04-07 19:03 ` Johannes Weiner
2009-04-07 19:31 ` Andi Kleen
2009-04-07 20:17 ` Johannes Weiner
2009-04-07 20:24 ` Andi Kleen
2009-04-07 20:36 ` Johannes Weiner
2009-04-07 15:10 ` [PATCH] [9/16] POISON: x86: Add VM_FAULT_POISON handling to x86 page fault handler Andi Kleen
2009-04-07 15:10 ` [PATCH] [10/16] POISON: Use bitmask/action code for try_to_unmap behaviour Andi Kleen
2009-04-07 21:19 ` Christoph Lameter
2009-04-07 21:59 ` Andi Kleen
2009-04-07 22:04 ` Christoph Lameter
2009-04-07 22:35 ` Andi Kleen
2009-04-07 15:10 ` [PATCH] [11/16] POISON: Handle poisoned pages in try_to_unmap Andi Kleen
2009-04-07 15:10 ` [PATCH] [12/16] POISON: Handle poisoned pages in set_page_dirty() Andi Kleen
2009-04-07 15:10 ` [PATCH] [13/16] POISON: The high level memory error handler in the VM Andi Kleen
2009-04-07 16:03 ` Rik van Riel
2009-04-07 16:30 ` Andi Kleen
2009-04-07 18:51 ` Johannes Weiner
2009-04-07 19:40 ` Andi Kleen
2009-04-08 17:03 ` Chris Mason
2009-04-09 7:29 ` Andi Kleen
2009-04-09 7:58 ` [PATCH] [13/16] POISON: The high level memory error handler in the VM II Andi Kleen
2009-04-09 13:30 ` Chris Mason
2009-04-09 14:02 ` Andi Kleen
2009-04-09 14:37 ` Chris Mason
2009-04-09 14:57 ` Andi Kleen
2009-04-29 8:16 ` Wu Fengguang
2009-04-29 8:21 ` btrfs BUG on creating huge sparse file Wu Fengguang
2009-04-29 11:40 ` Chris Mason [this message]
2009-04-29 11:45 ` Wu Fengguang
2009-04-29 8:36 ` [PATCH] [13/16] POISON: The high level memory error handler in the VM II Andi Kleen
2009-04-29 9:05 ` Wu Fengguang
2009-04-29 11:27 ` Chris Mason
2009-04-07 15:10 ` [PATCH] [14/16] x86: MCE: Rename mce_notify_user to mce_notify_irq Andi Kleen
2009-04-07 15:10 ` [PATCH] [15/16] x86: MCE: Support action-optional machine checks Andi Kleen
2009-04-07 15:10 ` [PATCH] [16/16] POISON: Add madvise() based injector for poisoned data Andi Kleen
2009-04-07 19:13 ` [PATCH] [0/16] POISON: Intro Robin Holt
2009-04-07 19:38 ` Andi Kleen
2009-04-08 5:15 ` Andrew Morton
2009-04-08 6:15 ` Andi Kleen
2009-04-08 17:29 ` Roland Dreier
2009-04-09 7:22 ` Andi Kleen
2009-04-08 5:47 ` Andrew Morton
2009-04-08 6:21 ` Andi Kleen
2009-04-13 13:18 ` Wu Fengguang
2009-05-26 12:50 ` Hidehiro Kawai
2009-05-26 13:29 ` Andi Kleen
2009-05-28 4:37 ` Hidehiro Kawai
2009-05-28 8:00 ` Andi Kleen
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