Description of problem: btrfs-convert segfaults when converting lv_root from ext4 to btrfs. Version-Release number of selected component (if applicable): Fedora-17.TC5-x86_64-Live-Desktop.iso How reproducible: 2 for 2 Steps to Reproduce: 1. Install F17 Live Desktop with all defaults 2. Reboot 3. Firstboot, create first user... 4. Reboot Live Desktop media 5. btrfs-convert lv_home no errors. 6. btrfs-convert lv_root failure. Actual results: segfault on conversion filesystem appears trashed, not bootable, not sure how to recover or if recovery is possible Expected results: Conversion to btrfs, or graceful failure. Additional info: ABRT says the backtrace is unusable so it wouldn't file this automatically. What I have now is /var/log/messages, the segfault ccpp folder contents, and dmesg. Hardware is EFI booted Macbook Pro.
Created attachment 584106 [details] abrt ccpp folder files
Created attachment 584107 [details] dmesg
Created attachment 584108 [details] /var/log/messages bz2
Created attachment 584110 [details] panic screen upon mounting I get a panic when mounting with or without -o recovery. Presently the work around appears to be btrfs-convert -r which does roll back successfully, and the volume can then be mounted again as ext4.
To be clear, I'm using btrfs-convert from Live Desktop on an ext4 lv_root which is not mounted, but was created with the same Live Desktop.
3 for 4 reproducibility. If after installation of F17, I do not reboot off the installed HDD, but rather immediately reboot off Live Desktop install media, (i.e. the F17 on disk has not been modified in any way by virtue of booting, running firstboot, launching any apps etc), the problem does NOT occur. If I run through first boot, launch Fire Fox, then reboot off Live Desktop installation media, lv_home converts to btrfs OK. But I get a segmentation fault when doing it on lv_root.
Can you tell me what versions of libuuid and e2fsprogs you have on there so I can get the right debuginfo installed, it seems to be blowing up somewhere in libuuid and I can't tell where.
e2fsprogs 1.42-4 libuuid 2.21.1-1
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