On Tue, Nov 06, 2007 at 10:04:51PM +0100, Milan Broz wrote: > Petar Bogdanovic wrote: > > I experience some strange problems with my loopback-on-ext3-setup. > > After creating a plain `zeroed' dummy-file and doing a /dev/loop/0 on > > it, every dd or mke2fs hangs while doing certain write()s. Here are the > > steps just in order to show, how simple the setup is: > ... > > > P.S: $ uname -a > > Linux pintail 2.6.23-ARCH #1 SMP PREEMPT Sat Oct 27 09:04:14 UTC > > 2007 i686 Intel(R) Pentium(R) M processor 1.70GHz GenuineIntel > > GNU/Linux > > Hi Petar, > > I saw similar bug report for dm-crypt over loop but reproducible even > on stand-alone loop devices - see > http://bugzilla.kernel.org/show_bug.cgi?id=8020 > > The problem was caused by loop io stalling in balance_dirty_pages. > > Per BDI dirty limit patchset (included in 2.6.24-rc) fixed it.
Indeed, the problem disappeared on 2.6.24-rc2. Thanks again for the hint! Petar - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
