/srv/irclogs.ubuntu.com/2017/03/21/#ubuntu+1.txt

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kailiHello. I had to install 17.04 on my laptop because hardware material (wifi driver, 4k touch screen, etc http://paste.ubuntu.com/24220603/ ) was much better than with the kernel shipped with 16.10. However I can't get nvidia driver to work, I get a no device / no screen detected (boot to black screen and restore nouveau in console mode)09:54
kailiCan anyone help me find out if it's a bug related to 17.04 or if it's related to my hardware being yet hardly supported ?09:54
ikoniakaili: how are you installing the nvidia driver ?10:33
kailisudo apt-get install nvidia-37510:33
kailiWrong ?10:33
ikonianot at all10:33
ikoniaalthough I don't know if that is just the 16.10 build moved to 17.04 - or if it is the 17.04 target10:34
ikoniawhat does the xorg log say ?10:34
kailiikonia: screen not found / device not detected : http://paste.ubuntu.com/24218142/10:36
kailiThere are also a few error messages such as xf86OpenConsole: setpgid failed: Operation not permitted10:37
kailiNot sure if it's fatal error through10:37
kailioh yes I generated the xorg conf file running nvidia-xconfig10:39
kailiIf that helps...10:39
kailimaybe as it it an optimus laptop, I should directly install bumblebee-nvidia instead of nvidia-375 hm10:44
ikoniabumblebee is dead10:45
ikoniait was replaced with nvidia prime10:45
ikoniakaili: I don't think the nvidia module is loading10:46
ikonia(I can see it trying, but then it unloads it and reloads it)10:47
ikoniathat would explain why you have no card detected10:47
kailiSounds like a bug then10:48
kailiI'm going to try sudo apt-get install nvidia-375 nvidia-prime mesa-utils10:51
kailiPerhaps it will work out better10:51
ikoniaI always find the optimus stuff troublesome, partly because I don't have huge experience with it, partly because I just don't find it a mature solution on linux10:53
kailiI agree, thing is I need the hdmi out on the nvidia card and nouveau doesn't handle it it seems (external monitor detected but no signal sent)10:56
kailiTrying again to reboot10:59
kailiIt seems to work with nvidia-prime instead of bumblebee11:11
kailiglxgears at 5348.461, I guess it's the nvidia card11:12
ikoniathats useful to know11:13
ikoniawell done11:13
kailiAnd the hdmi out is working now as well :D11:16
kailihm just a screen resolution problem left, signal going out using 1920*1080 but not using external monitor max 2560*1440 (no signal)11:18
kailiLet's do some more crash tests. Thanks for the help11:21
chrisfromgreecehello12:48
chrisfromgreecei need help12:48
chrisfromgreeceon ubuntu 17.04 daily builds i can't connect to any wifi network ! tried on two computers and many wifi adapters12:49
chrisfromgreeceon ubuntu 17.04 daily builds i can't connect to any wifi network ! tried on two computers and many wifi adapters12:49
chrisfromgreece!ask on ubuntu 17.04 daily builds i can't connect to any wifi network ! tried on two computers and many wifi adapters12:51
ubottuchrisfromgreece: I am only a bot, please don't think I'm intelligent :)12:51
chrisfromgreeceis anyone there?12:52
brunch875chrisfromgreece: yes, there are 114 in total12:53
chrisfromgreeceon ubuntu 17.04 daily builds i can't connect to any wifi network ! tried on two computers and many wifi adapters12:53
brunch875Yeah, seen that 4 times. IRC is kind of like interactive forums12:54
k1l_its not about make and model of the wifi adapters, its about the wifi chip they use.12:54
brunch875you'll have to wait until someone who knows notices12:54
k1l_if they all got the same crappy chip, all are the same crap.12:54
chrisfromgreecei'm using betas and dailybuilds for years ? but first time i see a bug like this12:55
chrisfromgreecetried to connect to wifi from command line but nothing12:55
k1l_if you think that is a bug, the file a bug report12:56
chrisfromgreeceis there anyone that tried dailybuilds or beta112:56
brunch875chrisfromgreece: I'm running the daily build right now12:56
k1l_i am running 17.04 with wifi just fine12:56
brunch875on wifi12:56
k1l_chrisfromgreece: so again: its about that exact wifi chip. not wifi in general12:56
chrisfromgreece?12:57
k1l_wifi works in 17.04. so get the facts about the wifi chips you use.12:57
brunch875chrisfromgreece: some wifi chips are problematic12:58
chrisfromgreecemy wifi chip is not problematic i'm getting the best connection speed13:00
k1l_13:00
chrisfromgreeceand it can work day and night without any problems never disconnects13:01
chrisfromgreecebut if you insist its something about the chipset i have some older wifi adapters should i try those ?13:01
brunch875I'm not sure I understand. Your wifi doesn't connect but it doesn't disconnect either?13:05
k1l_chrisfromgreece: you just said your wifi doesnt work, then you say your wifi works without issues. does this make sense?13:08
chrisfromgreeceyou didn't follow13:09
chrisfromgreecei said that my wifi adapter is not crappy  i used to have no problems at all with ubuntu 16.04 or 16.1013:10
k1l_i am not saying your wifi adapters are broken hardwarewise. i am saying that its about the very specidifc chipset in use in those adapters. they do need specific drivers. and sometimes those drivers are broken. so go and look at that instead of complaining, that "wifi doesnt work at all on 17.04"13:11
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kailiHello again. I got my graphic card (Geforce 940MX) HDMI output working. However it as some weird limitations : HDMI output is limited to 1920*1080. As soon as I switch to 2560*1440 (monitor optimal resolution) I get "no signal" on the monitor21:59
kailiThe graphic card is able to handle up to 4K monitor, so 2560*1440 should be no problem. Anyone can give me a hand investigation this problem ?21:59
k1l_any adapters involved?22:00
melodiekaili which chipset, processor, kernel version?22:08
melodieand did you install the proprietary driver?22:08
kailiHere is the inxi output : https://paste.ubuntu.com/24224604/22:09
kailiYes I got it working earlier today22:09
kailiNo adapter, direct connection through HDMI plug of my laptop to HMDI plug on the monitor22:09
kailiBasically kernel is 4.10.0-11 and graphics cards are Intel Device 5916 & NVIDIA GM108M [GeForce 940MX]22:11
kailiBoth handle the 4K of the laptop touch screen and it's working flawlessly22:12
kailiI'm thinking perhaps the hdmi plug is connected to the Intel HD Graphics 620 and while it can handle the 4K screen, the HDMI output was limited to 1920*108022:15
kailiThat would be stupid but checking that in the specs...22:15
k1l_its common setup on hybrid cards, that the plug is intel and the dedicated video card is only for computing if needed.22:17
k1l_so there can be limits that the plain nvidia card doesnt have.22:17
kailik1l_: Max Resolution (HDMI 1.4)‡ 4096x2304@24Hz22:20
kailiFrom full specs found on this thread : http://forum.kodi.tv/showthread.php?tid=29431222:21
kailiRight ?22:22
k1l_kaili: dont look at general chip specs. look at the mainboard you use22:24
kailik1l_ : But there is not so much details in specs given by HP about the HP Spectre x360 Convertible 15-bl0XX :(22:24
kailiAccording to HP forum "The Intel HD 620 is fully able to drive a pair of 4K monitors."22:35
kailiI'm starting to think that it might be the HDMI cable fault and not ubuntu23:08

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