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Bug 617593 - anaconda backtraces because pyblock does not create a device node for the ext. partition
Summary: anaconda backtraces because pyblock does not create a device node for the ext...
Keywords:
Status: CLOSED CURRENTRELEASE
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: python-pyblock
Version: 6.0
Hardware: All
OS: Linux
low
medium
Target Milestone: rc
: ---
Assignee: Hans de Goede
QA Contact: Release Test Team
URL:
Whiteboard: anaconda_trace_hash:2d98a8b7f93a63c3b...
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2010-07-23 13:59 UTC by Hans de Goede
Modified: 2010-11-10 21:23 UTC (History)
3 users (show)

Fixed In Version: python-pyblock-0.48-1.el6
Doc Type: Bug Fix
Doc Text:
Clone Of: 617337
Environment:
Last Closed: 2010-11-10 21:23:25 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)

Description Hans de Goede 2010-07-23 13:59:17 UTC 
+++ This bug was initially created as a clone of Bug #617337 +++

The following was filed automatically by anaconda:
anaconda 13.42 exception report
Traceback (most recent call first):
  File "/usr/lib/anaconda/storage/__init__.py", line 787, in destroyDevice
    if device.format.exists and device.format.type:
  File "/usr/lib/anaconda/storage/partitioning.py", line 390, in removeEmptyExtendedPartitions
    storage.destroyDevice(extended)
  File "/usr/lib/anaconda/storage/partitioning.py", line 378, in clearPartitions
    removeEmptyExtendedPartitions(storage)
  File "/usr/lib/anaconda/storage/partitioning.py", line 183, in doAutoPartition
    clearPartitions(anaconda.storage)
  File "/usr/lib/anaconda/dispatch.py", line 205, in moveStep
    rc = stepFunc(self.anaconda)
  File "/usr/lib/anaconda/dispatch.py", line 126, in gotoNext
    self.moveStep()
  File "/usr/lib/anaconda/gui.py", line 1313, in nextClicked
    self.anaconda.dispatch.gotoNext()
AttributeError: 'NoneType' object has no attribute 'format'

--- Additional comment from mauricepijpers on 2010-07-22 15:21:34 EDT ---

Created an attachment (id=433792)
Attached traceback automatically from anaconda.

--- Additional comment from mauricepijpers on 2010-07-22 15:31:54 EDT ---

System uses 1 ATA/IDE disk which contains grub and a Windows partition and 2 SATA disk in an nvidia_raid that contains a Fedora 11 installation. Whenever the nvidia raid is selected for installation the installer stop with the attached messages.

--- Additional comment from hdegoede on 2010-07-23 09:53:55 EDT ---

Hi,

Thanks for the bug report!

Note to self here is what happening:

1) Due to the fix for bug 583484:
http://git.fedorahosted.org/git/?p=pyblock.git;a=commitdiff;h=030c578f061509022e4db5136149be173b16139d
pyblock no longer creates a mapping, and thus a device node for the extended partition itself
2) This means the extended partition does not get added to the device tree
3) This causes this backtrace when auto-partitioning tries to remove the extended partition (as after clearing partitions it is empty).

Solution:

Make pyblock create a mapping for extended partitions again, but this time one which is compatible with kpartx's mapping to avoid bug 583484.

I hope that your nvidia raid is still in the condition which triggers this fault, I'll provide you with an updates.img with a proposed fix to test this.

Regards,

Hans
Comment 2 Hans de Goede 2010-07-25 08:46:37 UTC 
This is fixed in python-pyblock-0.48-1.el6, moving to modified.
Comment 7 releng-rhel@redhat.com 2010-11-10 21:23:25 UTC 
Red Hat Enterprise Linux 6.0 is now available and should resolve
the problem described in this bug report. This report is therefore being closed
with a resolution of CURRENTRELEASE. You may reopen this bug report if the
solution does not work for you.
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