Created attachment 774052 [details] Anaconda crash details >> Description of problem: My environment is slightly specific : * I boot from grub1 and load F19's vmlinuz & initrd, with `repo=` to point to the usual F19's ISO. * I install Fedora on a VG that is made of 1 encrypted PV While configuring the installer, anaconda crashes when I unlock my encrypted PV. >> Version-Release number of selected component (if applicable): * Fedora 19 >> How reproducible: 100% (crashed twice in 2 attempts) >> Steps to Reproduce: 1. create an encrypted PV 2. installer environmnent : put the ISO in a USB disk, in /media/F19 3. install grub on that disk, and put F19's initrd & vmlinuz (taken from the isolinux folder) 4. boot on F19's initrd, with repo=hd:sdb1:/media/F19/ 5. go to the disk layout, and attempt to unlock the encrypted PV >> Actual results: ----8<---- anaconda 19.30.13-1 exception report Traceback (most recent call first): File "/usr/lib/python2.7/site-packages/blivet/devicetree.py", line 266, in _addDevice raise DeviceTreeError("parent device not in tree") File "/usr/lib64/python2.7/site-packages/pyanaconda/ui/gui/spokes/custom.py", line 2786, in on_unlock_clicked self.__storage.devicetree._addDevice(luks_dev) DeviceTreeError: parent device not in tree ---->8---- >> Expected results: PV unlocked and presenting the VG's LVs. >> Additional info: * I have not tried that with Fedora 18. However, that was definitely working fine with the previous installer (I was doing the same with Fedora 15, 16 & 17)
Actually, at second glance, both crashes looks different (both crashes happened while unlocking but backtrace really looked different). environment & action were identical
Simple Reproducer -> preparation : create a 2 MSDOS partition disk : sda1 : ext4 FS sda2 : luks device with a VG -> Boot the standard F19 ISO -> Installation destination : the disk above -> Click "Done" and "Custom Partitioning" -> Click "+", add a storage ( 50GB on / [anything bigger than available space]) and click "add mount point"; Anaconda will put a "Fail" message, normal -> Now try to unlock sda2, Anaconda will crash with the failure above. => It will not crash if you dont attempt to create the mount point first.
Logically speaking, I would tend to believe that the exception handler of the on_add_clicked event (event started when I attempt to create a file system to big to be handled) unexpectedly messes with the devicetree structure Unfortunately, I am not too familiar with anaconda, nor python. I am using `updates` to modify the usr/lib64/python2.7/site-packages/pyanaconda/ui/gui/spokes/custom.py file to dump self.__storage.devicetree from time to time to try to see where it is modified. ... but I am unsure how to print that layout. What I would like to debug is : -> In usr/lib64/python2.7/site-packages/pyanaconda/ui/gui/spokes/custom.py Class CustomPartitioningSpoke -> function : on_add_clicked(self, button) dump in the logs the full content of self.__storage.devicetree
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