** No longer affects: cairo (Ubuntu)
** Project changed: cairo => ubuntu-translations
** No longer affects: ubuntu-translations
** Tags removed: verification-needed
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I think the fix is in Ubuntu 18.04.1 (not 18.04) so please use 18.04.1:
http://releases.ubuntu.com/18.04/
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Title:
[regression] ubiquity crashed
an able to upgrade from 17.04 to 18.04
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Title:
[regression] ubiquity crashed in debconf.py:104 with ValueError:
invalid literal for int() with
In the Live Version on MacBook Pro 2015 (13 inches, Retina) I changed
the 'Screen Scale' from 200% to 100%, settings > Device > Display, and
solved!
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Untargetting from cairo/bionic, the ubiquity fix is enough there
** No longer affects: cairo (Ubuntu Bionic)
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Title:
[regression] ubiquity crash
** Changed in: cairo
Status: Confirmed => Unknown
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Title:
[regression] ubiquity crashed in debconf.py:104 with ValueError:
invalid liter
Launchpad has imported 19 comments from the remote bug at
https://bugs.freedesktop.org/show_bug.cgi?id=98883.
If you reply to an imported comment from within Launchpad, your comment
will be sent to the remote bug automatically. Read more about
Launchpad's inter-bugtracker facilities at
https://hel
** Changed in: ubiquity (Ubuntu Bionic)
Milestone: None => ubuntu-18.04.1
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Title:
[regression] ubiquity crashed in debconf.py:104 with ValueE
For anyone looking for how to use this fix with the current Ubuntu 18.04
installation ISO, this page ( https://askubuntu.com/a/1040322/14601 )
has a good description how to use the patch produced above in Comment
37.
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** Changed in: oem-priority
Status: Triaged => Fix Released
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Title:
[regression] ubiquity crashed in debconf.py:104 with ValueError:
inv
This bug was fixed in the package ubiquity - 18.04.14.1
---
ubiquity (18.04.14.1) bionic; urgency=medium
[ Iain Lane ]
* Update Vcs-* for git migration
[ Andrea Azzarone ]
* misc.py: Restore the corrent euid in regain_privileges_save. Calling
regain_privileges_save should
Hi,
I do confirm proposed worked also for me on a Dell XPS 15 9530.
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Title:
[regression] ubiquity crashed in debconf.py:104 with ValueError:
i
I can confirm that the package version from bionic-proposed solves the
problem.
During an installation I used Dell 2715Q with settings as in the
screenshot attached (single monitor mode, 200% scaling).
# the updated package
apt policy ubiquity
ubiquity:
Installed: 18.04.14.1
Candidate: 18.04.
Hello Jean-Baptiste, or anyone else affected,
Accepted ubiquity into bionic-proposed. The package will build now and
be available at https://launchpad.net/ubuntu/+source/ubiquity/18.04.14.1
in a few hours, and then in the -proposed repository.
Please help us by testing this new package. See
http
This bug was fixed in the package ubiquity - 18.10.1
---
ubiquity (18.10.1) cosmic; urgency=medium
[ Iain Lane ]
* Bump sources to cosmic
* Automatic update of included source packages: bterm-unifont 1.5,
choose-mirror 2.78ubuntu4, preseed 1.71ubuntu8.
[ Andrea Azzarone ]
Removed the .gladep file; it seems to have crept in by error during the
git migration (also in my cosmic upload) and uploaded bionic. Thanks and
sorry cyphermox if this treads on your toes.
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Ah, I'm sorry, I didn't see that there had been a bionic upload for this
since the vcs was untouched and there was nothing in the unapproved
queue... I just uploaded ubiquity for this to *cosmic* - not bionic yet.
If it gets approved it should be in the next day's dailies and hopefully
someone can
** Description changed:
* Impact
The Ubuntu installer crashes on some machines (seems more often on hiDPI
machines (QHD/UHD etc)).
* Test case
- try installing Ubuntu on an hidpi machine, it shouldn't hit an XError
+ Try installing Ubuntu on an hidpi machine, it should complete installat
** Description changed:
- The Ubuntu installer crashes on hiDPI machines (QHD/UHD etc). Although
- it was working some weeks/months ago, so this is a recent regression.
+ * Impact
+ The Ubuntu installer crashes on some machines (seems more often on hiDPI
machines (QHD/UHD etc)).
+
+ * Test case
** Merge proposal linked:
https://code.launchpad.net/~azzar1/ubiquity/+git/ubiquity/+merge/345056
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Title:
[regression] ubiquity crashed in deb
The patch
https://code.launchpad.net/~azzar1/ubiquity/+git/ubiquity/+merge/345056
did work for me on my mid-2017 MacBookPro (HW, not VM).
Thank you, Andrea!
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** Description changed:
The Ubuntu installer crashes on hiDPI machines (QHD/UHD etc). Although
it was working some weeks/months ago, so this is a recent regression.
+
+ Update: Actually the crash occurs on slow-ish systems due to a race
+ condition. It's not strictly only hi-DPI machines - th
You will get the same behaviour using the cairo fix too:
https://bugs.freedesktop.org/show_bug.cgi?id=98883#c6
** Changed in: cairo (Ubuntu)
Importance: Undecided => High
** Changed in: cairo (Ubuntu Bionic)
Importance: Undecided => High
** No longer affects: glib2.0 (Ubuntu)
** No longer
I tried the patch for /usr/lib/ubiquity/ubiquity/misc.py in a virtual
machine.
Instead of corrupted graphics in the Ubiquity window, I saw a blank
white area above the "Copying files..." progress bar.
After a few seconds, the Ubiquity slide show appeared as usual, and I
did *not* get a crash.
I
Fix for ubiquity proposed here:
https://code.launchpad.net/~azzar1/ubiquity/+git/ubiquity/+merge/345056
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Title:
[regression] ubiquity crashed in
** Changed in: cairo
Status: Unknown => Confirmed
** Changed in: cairo
Importance: Unknown => Medium
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Title:
[regression] ubiquity cra
A patch to fix the crash is here:
https://bugs.freedesktop.org/show_bug.cgi?id=98883#c6
If we fail to get cairo fixed for any reason, it's probably possible to
do a workaround/fix in ubiquity. But I think there are now multiple
reasons to fix cairo as first preference.
** Bug watch added: freedes
** Also affects: cairo (Ubuntu)
Importance: Undecided
Status: New
** Changed in: cairo (Ubuntu)
Assignee: (unassigned) => Daniel van Vugt (vanvugt)
** Changed in: cairo (Ubuntu)
Status: New => In Progress
** Changed in: cairo (Ubuntu Bionic)
Status: New => In Progres
Please report crash files by running this command:
ubuntu-bug YOURFILE.crash
Attaching them to bugs is not helpful to us, and a security risk to you.
** Attachment removed: "_usr_lib_ubiquity_bin_ubiquity.0.crash"
https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1751252/+attachment/
I can reproduce this issue on xps13 9350. crash report is attached.
** Attachment added: "_usr_lib_ubiquity_bin_ubiquity.0.crash"
https://bugs.launchpad.net/oem-priority/+bug/1751252/+attachment/5132791/+files/_usr_lib_ubiquity_bin_ubiquity.0.crash
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** Changed in: ubiquity (Ubuntu)
Assignee: (unassigned) => Daniel van Vugt (vanvugt)
** Changed in: ubiquity (Ubuntu Bionic)
Assignee: (unassigned) => Daniel van Vugt (vanvugt)
** Changed in: ubiquity (Ubuntu)
Status: Triaged => In Progress
** Changed in: ubiquity (Ubuntu Bionic
Ubiquity also crashes inside a virtual machine (VirtualBox) running on a
non-HiDPI host machine.
I have observed corrupted graphics in the "main area" of Ubiquity when
this bug occurs. By "main area", I am referring to the rendered
rectangular area in Ubiquity below the title bar and above the "Co
So it sounds like a race between Xorg and the ubiquity perms dropping
which then breaks Xorg's ability to authenticate XShmAttach used in
cairo.
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T
OK, I can now reproduce the problem at scale=100%. The trick is to slow
down the installer with GDK_SYNCHRONIZE=1. So this is just a race
condition, usually triggered by slower rendering of scale 200%, but can
be triggered other ways.
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Given that XShmAttach can fail (you can google the reasons), I think
maybe we need to handle that in ubiquity/cairo and fall back to an
alternative rendering method.
I'm not so sure we should be treating XShmAttach failure as a bug.
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Unfortunately I can't tell what in shm_access is failing exactly because
gdb skips straight from shm.c:314 back to the caller. So that suggests
this code path, but I can't verify it:
static int
shm_access(ClientPtr client, SHMPERM_TYPE * perm, int readonly)
{
int uid, gid;
mode_t mask;
** Changed in: glib2.0 (Ubuntu)
Status: Incomplete => Invalid
** Changed in: glib2.0 (Ubuntu Bionic)
Status: Incomplete => Invalid
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Getting closer. It's this failing in the Xorg process:
/* The attach was performed with root privs. We must
* do manual checking of access rights for the credentials
* of the client */
if (shm_access(client, &(SHM_PERM(buf)), stuff->readOnly) == -1) {
Possibly relevant to permissions: The uid of this process changed from
'root' in 17.10 (where it works), to 'ubuntu' in 18.04 (where it doesn't
work).
ubuntu4468 17.8 1.2 502716 97352 tty1 Sl+ 08:17 0:01
/usr/bin/python3 /usr/lib/ubiquity/bin/ubiquity gtk_ui
In both cases the Xorg pro
The BadAccess from ShmAttach is coming from the Xorg process somewhere
in here:
static int
ProcShmAttach(ClientPtr client)
{
SHMSTAT_TYPE buf;
ShmDescPtr shmdesc;
REQUEST(xShmAttachReq);
REQUEST_SIZE_MATCH(xShmAttachReq);
LEGAL_NEW_RESOURCE(stuff->shmseg, client);
if ((st
Thanks @pjsingh5000. Your attachment shows the python stack ends at:
# There's still work to do (postinstall). Let's keep the user
# entertained.
self.start_slideshow()
Gtk.main()
Which agrees with what I see on screen when the bug occurs. It's the
slideshow that
This one also started in version 18.04.11:
https://errors.ubuntu.com/problem/735a2b847e0eeab6c8a7b954de5110e43889be15
But this one started in 18.04.3:
https://errors.ubuntu.com/problem/82f7f7e7923663c7b2123c7f1f49af29f6ff4d77
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According to this page, the problem possibly started in ubiquity version
18.04.11:
https://errors.ubuntu.com/problem/84a5563af3d2b85f098da832ece4cb8450bfd524
** Description changed:
The Ubuntu installer crashes on hiDPI machines (QHD/UHD etc). Although
it was working some weeks/months ago, s
** Also affects: oem-priority
Importance: Undecided
Status: New
** Changed in: oem-priority
Status: New => Triaged
** Changed in: oem-priority
Importance: Undecided => Critical
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Here is the backtrace (bt f) with debug symbols.
I still have gdb open, if anyone needs me to do anything else?
** Attachment added: "gdb backtrace (bt f) with debug symbols"
https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1751252/+attachment/5131712/+files/gdb_output_with_debug_symbo
On an Dell XPS 9360 with a 3200x1800 display it also defaults to 200%
and I reliably reproduce this bug with the 18.04 final image.
I can confirm setting the scaling to 100% in the live session resolved
the crash.
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It has been brought to my attention by a community user, that the
workaround (change scale from 200% to 100%) found in comment#14 works.
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Title:
Correction:
Possibly worth noting is that size==4096 at scale 200%, and size==1024 at scale
100%.
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Title:
[regression] ubiquity crashed in debco
Here's the offending source code up to the failing X call. I'm not so
sure that the math is right (or how getting it wrong might trigger this
bug)...
static cairo_xlib_shm_t *
_cairo_xlib_shm_pool_create(cairo_xlib_display_t *display,
size_t size, void **ptr)
{
Disp
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