From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Mason Subject: Re: parent transid verify failures on 2.6.39 Date: Wed, 22 Jun 2011 21:45:20 -0400 Message-ID: <1308793398-sup-9234@shiny> References: <4E026FD4.7020606@podzimek.org> Content-Type: text/plain; charset=UTF-8 Cc: Josef Bacik , linux-btrfs To: Andrej Podzimek Return-path: In-reply-to: <4E026FD4.7020606@podzimek.org> List-ID: Excerpts from Andrej Podzimek's message of 2011-06-22 18:42:28 -0400: > > Could I try your hack, pretty please? If there's any chance it could either resolve this problem > > http://www.mail-archive.com/linux-btrfs@vger.kernel.org/msg10683.html , > > or at least restore the data from the filesystem, then I'd like to give it a go. Waiting for the new btrfsck is currently not an option for me :-) It looks like your box is failing to read the extent allocation tree. We don't allow the mount to proceed without that tree, but you don't actually need it for a readonly mount (to copy things off). Josef, is your hack just a mount option to make -o readonly skip the extent allocation tree? I can put this into my -o recovery patch and we can give it a try. -chris