I just want to confirm possible interaction between unity-greater and
nvidia. And I have SSD too, not sure if this is related.
My previous Ubuntu Vivid install with Nvidia-346 was bricked, with boot ending
at unity-greater.
I am not sure what caused it, I've attributed it to that I've played wi
As with 14.10, this problem isn't happening with Ubuntu MATE 15.04.
Haven't tried the other flavors yet, but I'm guessing that again this is
only happening with Ubuntu/Unity.
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FYI, this bug wasn't initially present on the final 15.04 release, but
has since raised it's ugly head again on 15.04.
Not sure what has changed, but from my previous experience, my bet is
still on `unity-greeter`, even though I'm not sure how exactly it's
causing it.
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** Description changed:
For some strange reason, we cannot connect to WiFi on hardware with a
descrete Nvidia GPU (using the nvidia-331 driver) when the system is
running off a fast SSD.
Swap the SSD for a platter drive, and things work fine. Likewise, on
Intel GPU systems, with eithe
It would really be quite surprising for unity-greeter to have any effect
on nm-applet without breaking a whole lot of other things. The one thing
pointed out that looked the most promising were the D-Bus errors, and
the "no agent available" message in syslog -- that's really where we
should be look
Okay, on vivid, unity-greeter 15.04.2-0ubuntu1 re-introduces this bug.
I have a vivid image that was up-to-date as of Fri 5 Dec. In this
snapshot, with applying any updates, I can connect to protected WiFi
just fine.
However, today something landing from proposed re-introduced this bug,
and I not
Another possible hint: some in this set of packages currently in vivid
proposed breaks the WiFi password dialog:
Calculating upgrade... Done
The following NEW packages will be installed:
libisl13
The following packages will be upgraded:
apport apport-gtk btrfs-tools fontconfig fontconfig-confi
Er, I mean an ABI mismatched in policykit-1, not network-manager
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Title:
Cannot connect to WiFi with Nvidia GPU using nvidia-331, SSD
To man
More variables eliminated: this bug does *not* occur on:
- Ubuntu GNOME 14.10
- Ubuntu MATE 14.10
- Kubuntu 14.10
- Xubuntu 14.10 (as mentioned above)
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To eliminate more variables, I just tried xubuntu 14.10 (with nvidia-343
from ppa:system76-dev/stable)... and I can connect to password-protected
WiFi just fine.
As Xubuntu and Ubuntu are using most of the same lower-level stack, this
kinda suggests the problem is fairly high-level, potentially ev
Also tried back-porting `policykit-1` (which needed a back-port of
`glib2.0` and `gobject-introspection`)... still no luck.
But at this point, the delta between Utopic and Vivid is still pretty
small, so I feel this is a promising avenue, at least as far as shot-
gunning goes.
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Hmm, after more careful investigation, I think my hunch about
differences in the DBus related process was a dead end.
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Title:
Cannot connect to W
Still no solution, but I've at least (hopefully) eliminated some more
variables.
As I know this problem doesn't currently exist on Vivid, I tried back-
porting `network-manager` and `network-manager-applet` from Vivid, but
no luck... same problem still exists.
And on the off chance that this is k
Another update: I think I've ruled out nvidia-persistenced being started
via udev as the possible culprit.
I tried Trusty with the nvidia-343 driver from the System76 PPA (which
starts nvidia-persistenced with udev)... and I can connect to WiFi just
fine.
I also tried an up-to-date Vivid install
BTW, it was the "Failed to get D-Bus connection" bit above that seems
problematic.
Also, looking in syslog, there are some interesting tidbits:
Nov 21 13:17:45 system76-pc NetworkManager[977]: (wlan0): device state
change: config -> need-auth (reason 'none') [50 60 0]
Nov 21 13:17:45 system76-p
Okay, think I just found a lead in /var/log/upstart/lightdm.log:
/etc/modprobe.d is not a file
/etc/modprobe.d is not a file
/etc/modprobe.d is not a file
/etc/modprobe.d is not a file
update-alternatives: error: no alternatives for x86_64-linux-gnu_gfxcore_conf
Failed to get D-Bus connection
/etc
Oh, and a little more detail on why I'm certain this is related to the
nvidia proprietary driver...
Part of our QA process after we image a system (before it's shipped to
the customer) is to test WiFi. Since we started shipping Utopic, we've
had 0% failure on systems with Intel graphics.
On hardw
You'd think it wouldn't be related to the nvidia driver... but it
definitely is.
At System76, we've frequently encountered scattered problems like this.
The nvidia proprietary effects the boot sequence enough (for example, no
kms) that it frequently exposes subtle problems in the overall structure
This wouldn't be related in any way with the GPU or disks; I'm not sure
why it's happening that way -- it might just be a matter of luck in this
particular case.
Marking as Confirmed/High; there are other bug reports of similar
issues. I'll merge them and try to figure out how to fix the underlyin
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: network-manager (Ubuntu)
Status: New => Confirmed
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Tit
Note I confirmed that WiFi works fine when using nouveau on the same
hardware.
Also I tried a minimal a nvidia-331 install with --no-install-
recommends, just in case the problem is related to any of the optimus
stuff, which isn't needed for System76 hardware... and still no dice.
Installing nvidi
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