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. Anyway, you should attach output of process states when system stops responding (output of "echo t >/proc/sysrq-trigger" ) here to allow some analysis. Milan -- [EMAIL PROTECTED] - 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/
