draft advisory about network issues
robert.collins at canonical.com
Thu May 7 05:46:12 BST 2009
This is a draft of advise we should send our users about the 1.13/1.14
network headaches. We should send this to bazaar-announce, and forward
copies to known large users of bzr (including hosting sites such as
alioth, sourceforge, launchpad, and so on).
Networking bugs in bzr 1.13/1.14
Bzr 1.13 introduced streaming fetch over the bzr:// protocol.
Unfortunately due to design oversight dating back to bzr 1.6 this was
not able to operate on many stacked branches due to the data in the
stacking branch being overly minimal. The server is unable to correctly
determine the deltas to send.
There are bug fixes that all users of stacked branches should apply:
On the bzr server:
Apply http://bazaar.launchpad.net/~bzr/bzr/trunk/revision/4307, as per
https://bugs.launchpad.net/launchpad-code/+bug/354036. This will be
included in the upcoming bzr 1.15.
Apply http://bazaar.launchpad.net/~bzr/bzr/trunk/revision/4342, as per
https://bugs.launchpad.net/ubuntu/+source/bzr/+bug/360791. This will
also be included in the upcoming bzr 1.15.
On client machines:
Run bzr 1.13.2 or bzr 1.14.2. Older versions of bzr will continue to
create problematic branches that will require the fixer script in
https://bugs.launchpad.net/launchpad-code/+bug/354036 to be run against
There is another potential failure mode that may affect projects using
bzr-svn, or migrating from GNU Arch. If you encounter a 'Revision
REVISIONID not present' error when branching, you may be suffering
https://bugs.launchpad.net/bzr/+bug/368418. A fix for this is currently
in progress and will be included in 1.15.
For further information and support please contact the Bazaar community,
#bzr on irc.freenode.net, or bazaar at lists.canonical.com.
-The Bazaar developers.
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