I made the summary less technical, so maybe fewer duplicates of this get
reported when people go through the bug list. I also added instructions on how
to fix this immediately without removing packages or moving config files around
to the bug description, so people who find this bug don't need to read the
whole thread to get their machines working properly again.
Cheers,
Matthias
** Summary changed:
- Refresh hangs due to strdup on non-NULL terminated string
+ Refresh hangs indefinitely, appstreamcli using 100% CPU
** Description changed:
[Impact]
- * The cache refresh is blocked on a strdup on a non-NULL-terminated string
in some very rare occasions (very rare because this bug is present for almost
3y without a single report).
- * Fixing this bug resolves the issue for people who might experience it.
- * See https://github.com/ximion/appstream/issues/35 for details.
+ * The cache refresh is blocked on a strdup on a non-NULL-terminated string
in some very rare occasions (very rare because this bug is present for almost
3y without a single report).
+ * Fixing this bug resolves the issue for people who might experience it.
+ * See https://github.com/ximion/appstream/issues/35 for details.
[Test Case 1]
- * Run `sudo appstreamcli refresh --force`
- * The AppStream cache should be updated, no change in behavior should be
seen.
+ * Run `sudo appstreamcli refresh --force`
+ * The AppStream cache should be updated, no change in behavior should be
seen.
[Test Case 2]
- * In case you were experiencing the almost-infinite hang when running
+ * In case you were experiencing the almost-infinite hang when running
`sudo appstreamcli refresh --force`, this issue should be fixed with the
SRU.
[Regression Potential]
- * Very low, since this only fixes the decompression code. There should
+ * Very low, since this only fixes the decompression code. There should
be no sideeffects of that (given that the patch itself doesn't break
anything, which it shouldn't, since it has been tested upstream for a
while)
[Other Info]
- * This fix has been applied upstream:
https://github.com/ximion/appstream/commit/f33c520c37e2ba51d92402220250b8d501a2bf43
- * A smaller version of the patch (one-liner) is available, at the expense of
not having reduced memory usage:
https://github.com/ximion/appstream/commit/378941787d3584b3eb31a6ebe40e0aacc10e180a
+ * This fix has been applied upstream:
https://github.com/ximion/appstream/commit/f33c520c37e2ba51d92402220250b8d501a2bf43
+ * A smaller version of the patch (one-liner) is available, at the expense of
not having reduced memory usage:
https://github.com/ximion/appstream/commit/378941787d3584b3eb31a6ebe40e0aacc10e180a
+
+ ####
+
+ /!\ Installing the bugfix from xenial-proposed, without going through APT:
+ To install the fixed packages manually, please execute the following commands
(for amd64, adjust URLs for other architectures):
+
+ ```
+ cd /tmp && mkdir asfix
+ cd asfix
+ wget
https://launchpad.net/ubuntu/+archive/primary/+files/appstream_0.9.4-1ubuntu1_amd64.deb
+ wget
https://launchpad.net/ubuntu/+archive/primary/+files/libappstream3_0.9.4-1ubuntu1_amd64.deb
+ sudo dpkg -i libappstream3*.deb
+ sudo dpkg -i appstream*.deb
+ ```
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https://bugs.launchpad.net/bugs/1579712
Title:
Refresh hangs indefinitely, appstreamcli using 100% CPU
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