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Hi,

I have just installed LL 2.2 on a new Intel based mini PC.
I have it connected directly to a monitor(input #2) via HDMI
The monitors got 2 HDMI inputs, input #1 is my main PC.

If I use the the monitors "switch source input" I can switch between the 2 PC's,
However If I switch from the "New" PC to the other PC and back I loose the
"New PC's" Desktop, I go back and it's black.
If I do a crt alt f3, I can get a system prompt and do a restart of the Desktop.

The other PC is fine, I can go back to that and it's fine, that is running LL 2.0

So the new PC does not like having it's HDMI output switched.

It's not screensaver/display settings in LL 2.2,
I can leave the New PC connected to display for periods of time, screen goes blank
move mouse, tap keyboard and it's back.

Any ideas welcome. (inxi -F below)

Thanks... Dave

Code:

dave@jetway1:~$ inxi -F

System:    Host: jetway1 Kernel: 3.17.0-linuxlite x86_64 (64 bit) Desktop: Xfce 4.11.6 Distro: Ubuntu 14.04 trusty

Machine:   Mobo: NP93B model: NP93B version: 1.0 Bios: American Megatrends version: BAR3BA02 date: 09/16/2014

CPU:         Dual core Intel Celeron CPU N2807 (-MCP-) cache: 1024 KB flags: (lm nx sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx) 

                Clock Speeds: 1: 1919.519 MHz 2: 1814.500 MHz

Graphics:  Card: Intel ValleyView Gen7 X.Org: 1.15.1 drivers: intel (unloaded: fbdev,vesa) Resolution: [email protected] 

                GLX Renderer: Mesa DRI Intel Bay Trail GLX Version: 3.0 Mesa 10.1.3

Audio:       Card: Intel ValleyView High Definition Audio Controller driver: snd_hda_intel Sound: ALSA ver: k3.17.0-linuxlite

Network:   Card-1: Realtek RTL8723BE PCIe Wireless Network Adapter driver: rtl8723be 

                IF: wlan0 state: up mac: 40:e2:30:87:a9:c5

                Card-2: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller driver: r8169 

                IF: p1p1 state: down mac: 00:30:18:c5:08:17

Drives:      HDD Total Size: 123.9GB (3.9% used) 1: id: /dev/sda model: Samsung_SSD_840 size: 120.0GB 

                2: USB id: /dev/sdb model: USB_DISK size: 3.9GB 

Partition:   ID: / size: 20G used: 4.3G (23%) fs: ext4 ID: /home size: 20G used: 148M (1%) fs: ext4 

                ID: swap-1 size: 4.29GB used: 0.00GB (0%) fs: swap 

RAID:       No RAID devices detected - /proc/mdstat and md_mod kernel raid module present

Sensors:   System Temperatures: cpu: 33.0C mobo: N/A 

                Fan Speeds (in rpm): cpu: N/A 

Info:         Processes: 173 Uptime: 2 min Memory: 315.7/1881.8MB Client: Shell (bash) inxi: 1.9.17

What it does if you switch both cables , just want to check cables if do the same on different pc .

Just to see if it duplicates the issue .

Hi,

Just tried it, and actually another PC also, always the same result.
Disconnect the HDMI from the New PC output, loose the xfce desktop.

I do now have another issue, The display is ripping during startup/shutdown.

I think this related to:
To fix a lack of Wireless/WiFi I upgraded the kernel to 3.16, WiFi works fine,
no Bluetooth though, lots of people reporting this, newish card AzureWave
mini pcie card, based on Realtek chip-set rtl8723be

NOTE:
the Kernel update was done after discovering the HDMI issue
So I may have to pull the kernel update, and use cable at the moment.

Dave

Ever tried LL 3.18 kernel ! might work .

Did bluetooth was removed due to upgrade ! reinstall it might work .

Hi altman.

Yes, I can try 3.18, I have nothing to loose apart from the WiFi.
If there was some way of identifying and extracting the WiFi drivers..??
I could drop back to 3.13, and possibly use the WiFi drivers..??

Then I would only be dealing with Desktop/HDMI issue.

The Bluetooth issue can wait,
It seems it's just to new a card.!!

Dave

If 3.18 doesn t work for you , you can always turn back to 3.37 also .

Hi,

Going to try 3.18 later, If I still have the ripping video issue, as in 3.17
I will have to drop back to 3.13, and hope to resolve the HDMI issue.

Dave

Hope that you fix this mate .

Hi altman,

I tried the 3.18 kernel, unfortunately I lost wireless.

If I put the HDMI cable un-plugging issue to one side...

I have:
3.13 I have to use cable connection, but no screen ripping.
3.17 Wireless works, but end up up with screen ripping.
3.18 No Wireless and Screen ripping

So my only hope is to find out how I can get the Wireless drivers that work in 3.17 into 3.13

Thanks... Dave

Hi,

*** UPDATE: This does not appear to be a stable fix ~ NEW Thread to be started ***

Found a solution to the WiFi drivers after some Googling
If you have WiFi based on: rtl8723be Chipset, then

Code:
sudo apt-get install linux-headers-generic build-essential git

git clone http://github.com/lwfinger/rtl8723be

cd rtl8723be

git checkout 604aa9058fb9e5bb1cf571c99989d081f8fc8b9

make

sudo make install

sudo modprobe rtl8723be

Now they show up in dmseg log:

Code:
[    5.843191] rtl8723be: Using firmware rtlwifi/rtl8723befw.bin

[    5.884726] ieee80211 phy0: Selected rate control algorithm 'rtl_rc'

[    5.885072] rtlwifi: wireless switch is on

Just hope this didn't break anything else...!!!

Dave

(( Now to figure out the HDMI/Desktop issue))

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