You are good! And Sven Joachim is right. On Tue, Jun 29, 2010 at 6:02 PM, Boyd Stephen Smith Jr. <b...@iguanasuicide.net> wrote: > On Monday 28 June 2010 21:14:32 Magicloud Magiclouds wrote: >> Hi, >> I am trying to make a debian sid system with btrfs as root. > > Make sure it is Sid. There were some changes made to dpkg in order to prevent > package meta-data corruption from occurring on btrfs. Btrfs behaves > differently from most other file systems in the way dirents are returned while > the directory is being modified. I can't remember the exact dpkg version > these changes were made. > >> I installed debian sid on ext3 root, compiled 2.6.34 kernel. Booted >> to 2.6.34, it mounted a btrfs data partition right. >> Then I booted into debian live, converted the root to btrfs, rebooted. >> I got this: >> FATAL: Error inserting btrfs >> (/lib/modules/2.6.34/kernel/fs/btrfs/btrfs.ko): Unknown symbol in >> module, or unknown parameter (see dmesg) >> modprobe: FATAL: Error inserting btrfs >> (/lib/modules/2.6.34/kernel/fs/btrfs/btrfs.ko): Unknown symbol in >> module, or unknown parameter (see dmesg) >> Any idea? Thanks. > > Oh, yeah. I ran into this as well. The btrfs module needs to load then > crc32c module in order to resolve some symbols. Unfortunately, this seems to > be done in a way that depmod does not detect, even in Sid. Because of this, > your initramfs may not have the crc32c module available since it is not > detected as a dependency of the btrfs module. Add it to /etc/initramfs- > tools/modules to force the initramfs to include that module. > > I believe you need a fairly recent initramfs-tools in order for it to > correctly include even the btrfs module, so it maybe be best to use my > /etc/initramfs-tools/modules in its entirety: > btrfs > libcrc32c > zlib_deflate > crc32c > > Sorry there's no bug on this. Perhaps there should be one, but I don't know > if it is a problem with the btrfs module or depmod. > > I am currently running btrfs as my root file system. While I have not noticed > any breakage I could blame specifically on btrfs, I fear that it may be > silently corrupting files in some cases. You may want to use debsums in a > cron job, tripwire, or some other monitoring. I had to recover from an > unrelated issue and noticed a few packages that had debsums errors during > diagnosis. > -- > Boyd Stephen Smith Jr. ,= ,-_-. =. > b...@iguanasuicide.net ((_/)o o(\_)) > ICQ: 514984 YM/AIM: DaTwinkDaddy `-'(. .)`-' > http://iguanasuicide.net/ \_/ >
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