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Date: Mon, 3 Nov 2008 16:34:10 +0100 From: Cryptooctoploid <cryptooctoploid@...il.com> To: "Theodore Tso" <tytso@....edu> Cc: "Roc Valles" <vallesroc@...il.com>, linux-ext4@...r.kernel.org Subject: Re: data corruption with ext4 (from 2.6.27.4) exposed by rtorrent On Mon, Nov 3, 2008 at 2:40 PM, Theodore Tso <tytso@....edu> wrote: > On Mon, Nov 03, 2008 at 12:42:11PM +0000, Roc Valles wrote: >> Some person already reported this. I'm having the same problem. >> http://marc.info/?l=linux-ext4&m=122557056518246&w=2 >> >> rtorrent is a bittorrent client that makes heavy use of mmap instead >> of read/write to avoid needless duplication of data. It has exposed >> other bugs in the past (mmap bug in 2.6.19). >> http://libtorrent.rakshasa.no >> Downloading a big torrent (>2GB) with rtorrent triggers it more times >> than not. The bigger the torrent, the higher the likeliness of >> failure. When the torrent is finished, if a hash check is forced by >> pressing control-r on the torrent, some blocks will fail. I have set up a debug torrent at: http://www.demonoid.com/files/details/1676328/?rel=1225725960 It contains four identical files that were generated with: dd if=/dev/zero of=zero.test0 count=1M My upload speed is limited (512 kbit/s), but I hope this may help. -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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