mimi
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Post by mimi on May 26, 2021 10:52:39 GMT
Oh moment This explains a lot for me. I think your problem is GPU driver. Probably newer kernel does not cover your GPU drive no more. We have some options: 1. Identify the GPU model and ask Google for solution for Ubuntu 20.04 2. Confirm my statement about too new kernel. As a test, install older Bodhi 3.2.1 with old kernel. I use to advise this for some testing purpose. Stefan Thanks Stefan. See the terminal output for the Graphics & CPU: asus@X71Q:~$ inxi -Gf Graphics:Device-1: Intel Mobile 4 Series Integrated Graphics driver: i915 v: kernel Display: x11 server: X.Org 1.20.9 driver: modesetting unloaded: fbdev,vesa resolution: 1440x900~60Hz Message: Unable to show advanced data. Required tool glxinfo missing. CPU: Topology: Dual Core model: Intel Pentium Dual T3200 bits: 64 type: MCP L2 cache: 1024 KiB Speed: 998 MHz min/max: 1000/2000 MHz Core speeds (MHz): 1: 998 2: 998 Flags: acpi aperfmperf apic arch_perfmon bts clflush cmov constant_tsc cpuid cx16 cx8 de ds_cpl dtes64 dtherm dts est fpu fxsr ht lahf_lm lm mca mce mmx monitor msr mtrr nopl nx pae pat pbe pdcm pebs pge pni pse pse36 pti rep_good sep sse sse2 ssse3 syscall tm tm2 tsc vme xtpr I used other distros to test your idea about the kernels, using ones that allow a choice of kernels, and allowing them to be installed easily. The result showed that with kernels 4.4.0, 4.9, 4.15, 4.19 the graphics quality was fine. With 5.4, the laptop loses a bit of its crispness in terms of response time when opening apps etc, and the graphics were not quite as smooth, though definitely acceptable overall (just some blurring of window edges, when windows dragged across screen). However, with kernels 5.8 and 5.10, the laptop booted to a blank screen, with cursor flashing indefinitely in top left-hand corner of the display, suggesting that more recent kernels don't support the GPU on this laptop. Based on antiX (Deb based) and Linux Lite (Ubuntu based), it seems that kernel series 4.x is the best choice for this 14-year-old laptop (Asus X71Q), but these don't appear to be available in the Synaptic Package Manager. PS. I did install Bodhi 3.2.1 but there was some bugginess with it, so abandoned this.
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Post by thewaiter on May 26, 2021 13:17:04 GMT
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enigma9o7
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Post by enigma9o7 on May 26, 2021 13:51:48 GMT
An easy way to install older kernel is use the app "mainline". I have previously tested kernel 4.19 with an early version of bodhi 6 (in virtual machine) and works fine, which was the last LTS kernel before 5.4 and still get regular updates, of which mainline even notifies you (since apt won't do so). sudo apt-add-repository -y ppa:cappelikan/ppa sudo apt install mainline After installation, go to settings to allow the 4.x kernels by changing the number of previous major version to 1. (Default is 0).
Then install the latest 4.19 release.
After install, Reboot and press Esc to get grub menu. Select kernel 4.19 from advanced menu. After booting and making sure it works (it will), either configure grub to automatically boot that (grub-customizer is good tool for that), or remove the newer kernel (using mainline gui, or synaptic gui, or apt) so it doesnt try to boot automatically.
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mimi
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Post by mimi on May 27, 2021 6:26:18 GMT
enigma9o7 You're a star! Thankyou so much for 'mainline' - what a brilliant app - it makes installing and removing software a breeze! I'll post my finds regarding running BL6 with different LTS kernels, for a 14-year-old laptop, in another post and leave the link here: bodhilinux.boards.net/thread/585/investigation-activity-kernel-asus-x71qThere was one pleasant surprise, i.e. all the kernels worked from 4.4 to 5.10 Maybe this laptop is good enough for the HWE version of BL6 ...
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kiezel
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Post by kiezel on May 27, 2021 8:45:22 GMT
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Post by thewaiter on May 27, 2021 9:05:17 GMT
I am not sure about this also. I tried mainline yesterday with 4.15 and there was a warning about not installing kernel-headers which are also needed for rebuilding some modules. As I said before, I have no experience with this. Anyway, maybe mimi user will tell us more after some time of using Bodhi this way. Stefan
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mimi
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Post by mimi on May 27, 2021 15:41:19 GMT
kiezelMay 23, 2021 10:16:01 GMT 1 kiezel said: You should never use sudo for launching graphical applications with root permissions, because it's likely to mess up the permissions of files and folders in your home folder. We used to have gksudo for safely using graphical applications with root permissions, but that has been deprecated. In many cases you can now use pkexec instead. If you've already abused sudo, this is how to fix the damage: easylinuxtipsproject.blogspot.com/p/about-root.html#ID4 (item 4) On reflection, after everything you've mentioned about sudo ... A question: Why would I want to ever use sudo to open gui-based apps? I have always used a mouse to open g ui-based apps. I have only ever used sudo when using the terminal for terminal-based (not gui-based) stuff. Much simpler - job done! Never had any issues with this ...
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kiezel
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Post by kiezel on May 27, 2021 16:23:20 GMT
kiezelMay 23, 2021 10:16:01 GMT 1 kiezel said: You should never use sudo for launching graphical applications with root permissions, because it's likely to mess up the permissions of files and folders in your home folder. We used to have gksudo for safely using graphical applications with root permissions, but that has been deprecated. In many cases you can now use pkexec instead. If you've already abused sudo, this is how to fix the damage: easylinuxtipsproject.blogspot.com/p/about-root.html#ID4 (item 4) On reflection, after everything you've mentioned about sudo ... A question: Why would I want to ever use sudo to open gui-based apps? I have always used a mouse to open g ui-based apps. I have only ever used sudo when using the terminal for terminal-based (not gui-based) stuff. Much simpler - job done! Never had any issues with this ... There are circumstances under which you need root permissions for a few applications that usually require no such thing. For example when you wish to edit system configuration text files with a graphical editor like Leafpad. Which can now be used with the safe pkexec. For instance, when you want to edit the configuration of bootloader Grub: pkexec leafpad /etc/default/grub And once in a blue Monday one might need to launch one's file manager with root permissions, in order to inflict some particularly vicious harm on one's system: pkexec thunar
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mimi
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Post by mimi on May 27, 2021 17:01:34 GMT
kiezel Thanks for the above. I think you mentioned earlier that one needs to do some preliminary work to set up pkexec, for it to work in place of sudo. However, without doing any such preparation, it appears I can, for example, open grub with pkexec leafpad /etc/default/grub ...
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kiezel
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Post by kiezel on May 27, 2021 17:03:14 GMT
kiezelThanks for the above. I think you mentioned earlier that you need to do some preliminary work to set up pkexec for it to work. However, without doing any such preparation, it appears I can open grub with pkexec leafpad /etc/default/grub ... No preliminary work needed for Leafpad, thanks to the fine work of ylee.
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mimi
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Post by mimi on May 27, 2021 17:05:26 GMT
kiezel Well done ylee for that !
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enigma9o7
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Post by enigma9o7 on May 27, 2021 17:53:13 GMT
To add some more confusion.... There is another way to open apps with sudo that I thought bodhi encouraged.... based on this info I dunno if it should be avoided too, but I've done it before for graphical apps including leafpad. From the everything starter (alt+esc) select an app and go to the other tab, there's a "launch with sudo" option. I've used that on thunar before I learned the admin:// feature.
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