On 3/7/13 9:09 AM, Swâmi Petaramesh wrote: > Le 07/03/2013 14:37, Eric Sandeen a écrit : >> What error messages does it emit, anything helpful? > > root@partedmagic:~# file -s /dev/sda5 > /dev/sda5: data > > root@partedmagic:~# mkfs.btrfs /dev/sda5 > > WARNING! - Btrfs v0.20-rc1 IS EXPERIMENTAL > WARNING! - see http://btrfs.wiki.kernel.org before using > > error checking /dev/sda5 mount status
Ok, so that's unhelpful isn't it. :) > root@partedmagic:~# echo $? > 1 > >> The option is quite new, and still exists upstream. But it only forces >> overwrite of an existing filesystem, it has never affected the mount >> status check AFAIK. > > I remember that, in the past, I was several time able to override this > very error by using a -f switch... > maybe it was some non-upstream hack I'm not aware of. >> There are also steps you could take to investigate some more yourself: >> Did earlier versions of the livecd work for you? If so, when did it break? > > It was broke first time I tried to use it more than a year ago ; I don't > clearly remember if it has been fixed at some point in time... I'm > positively sure that I saw the exact same error on other live distros > (possibly Ubuntu but not sure...) > >> Can you capture an strace of the failing mkfs.btrfs? -Eric > I don't know how to do this, I'm no developper myself... # strace -o tracefile.txt mkfs.btrfs /dev/sda5 tracefile.txt will contain all syscalls made by the binary and their results, which might give us a clue what's gone wrong. -Eric > Kind regards. > -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
