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Date:	Wed, 25 Jun 2008 13:53:40
From:	Gary Hawco <ghawco@....net>
To:	Mingming <cmm@...ibm.com>,
	"linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org>
Subject: Segmentation Faults with 062508 ext4-patch-queue snapshot

I redid my tests on the last few ext-patch-queue snapshots.

The snapshot:
ext4-patch-queue-476b1104923c2228b48aee73070cddd5430b3b54.tar.gz from
062408 @2256hrs GMT works fine. No segfaults.

The latest snapshot:
ext4-patch-queue-b5db22ef52ed53d8e3fa978a5a29e1609c9333aa.tar.gz from 
062508 @ 0019hrs GMT causes segmentation faults whenever I do extensive
copying of small files (my Gentoo portage tree & metadata cache folders) to
another ext4dev partition set up identically and then when I make a tarball
from this copied data.

I have been able to reproduce the segfaults consistently. Both partitions
were formatted with flex_bg & meta_bg features enabled (obviously no
resize_inodes) and are set for ordered data mode.

I assume delalloc is enabled although ext4-patch-queue does not yet print
message saying so on boot like mballoc does.

Any suggestions would be most appreciated.

Thanks,
Gary



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