https://git.launchpad.net/ubuntu/+source/ubiquity/tree/ubiquity/install_misc.py?h=ubuntu
/focal-updates#n534
** Changed in: oem-priority
Assignee: Alex Tu (alextu) => Yuan-Chen Cheng (ycheng-twn)
** Description changed:
- An exception is randomly happening while ubiquity calling
cachedpkg.mark_install() [1].
- cachedpkg.mark_install() came from Cache class of python3-apt package.
+ This happen in oem project because we have lots pkg to upgrade during
+ installtion becuase the design of factory process need it.
- It looks a timing issue while ubiquity calling cachedpkg.mark_install(),
- and a retry can workaround it.
+ As package list have certain dependency, and the the order that we get
+ the pkg from the python set object is not good for underlying apt
+ engine, then exception will raise.
- The reproduce rate is be about 1/15.
-
- Looks there're 2 things can be improved.
- 1. improve the fault tolerance of Ubiquity while it calling external library.
- 2. impvove the fault tolerance of python3-apt.
-
- [1]
-
https://git.launchpad.net/ubuntu/+source/ubiquity/tree/ubiquity/install_misc.py?h=ubuntu
- /focal-updates#n534
+ A workaround fix is move those failed to next iteration and the fix test
+ pass as we try it in installation for like 50 times.
** Description changed:
This happen in oem project because we have lots pkg to upgrade during
- installtion becuase the design of factory process need it.
+ installation because the design of factory process need it.
As package list have certain dependency, and the the order that we get
the pkg from the python set object is not good for underlying apt
engine, then exception will raise.
A workaround fix is move those failed to next iteration and the fix test
pass as we try it in installation for like 50 times.
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https://bugs.launchpad.net/bugs/1891599
Title:
installation stopped by an random exception from mark_install() in
Cache class of python3-apt
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