SMath in Linux

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SMath in Linux - smath can only be started as sudo

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leopold		#1 Posted : 25 January 2022 17:56:46(UTC)
Rank: Member Groups: Registered Joined: 17/03/2013(UTC) Posts: 12		Tried it in Ubuntu 20.04 and Manjaro as well: smath can only be started by doing it as root via executing as sudo? Any hints how to fix it?


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overlord		#2 Posted : 25 January 2022 18:29:55(UTC)
Rank: Advanced Member Groups: Registered Joined: 23/07/2013(UTC) Posts: 1,043 Was thanked: 444 time(s) in 298 post(s)		Originally Posted by: leopold Tried it in Ubuntu 20.04 and Manjaro as well: smath can only be started by doing it as root via executing as sudo? Any hints how to fix it? Switch to another distro (swh) Beside the joke, all ubuntu or debian based distros have this problem. This is not SMath's bug, it is caused by not properly updated lts mono libraries. And this bug is not caused by user, their repositories have this problem. Contrary to popular belief, LTS releases creates more issues sometimes. Arch, Fedora, Void, Solus, etc don't need root to run. Regards


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leopold		#3 Posted : 25 January 2022 19:08:56(UTC)
Rank: Member Groups: Registered Joined: 17/03/2013(UTC) Posts: 12		Thanks. But Manjaro is arch-based. regards P.S.: My initial post was no complaint about smath's behaviour itself. It was a simple question, if anybody knows a solution - maybe by fixing some os-specific libraries. Edited by user 25 January 2022 19:12:44(UTC) \| Reason: Not specified


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overlord		#4 Posted : 25 January 2022 19:13:05(UTC)
Rank: Advanced Member Groups: Registered Joined: 23/07/2013(UTC) Posts: 1,043 Was thanked: 444 time(s) in 298 post(s)		Originally Posted by: leopold Thanks. But Manjaro is arch-based.regards Yes, but it doesn't use arch repositories. I used to know it updates from their own repos. If this is not changed recently. Originally Posted by: leopold P.S.: My initial post was no complaint about smath's behaviour itself. It was a simple question, if anybody knows a solution - maybe by fixing some os-specific libraries. Try to update Mono libraries, from another source or from arch repository. Maybe this would help to make mono work as it should be, maybe not. I will download latest Manjaro XFCE iso and try to pinpoint a solution for your issue. Regards Edited by user 25 January 2022 19:18:56(UTC) \| Reason: Not specified


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leopold		#5 Posted : 25 January 2022 19:28:42(UTC)
Rank: Member Groups: Registered Joined: 17/03/2013(UTC) Posts: 12		Originally Posted by: overlord Originally Posted by: leopold Thanks. But Manjaro is arch-based.regards Yes, but it doesn't use arch repositories. I used to know it updates from their own repos. If this is not changed recently. Originally Posted by: leopold P.S.: My initial post was no complaint about smath's behaviour itself. It was a simple question, if anybody knows a solution - maybe by fixing some os-specific libraries. Try to update Mono libraries, from another source or from arch repository. Maybe this would help to make mono work as it should be, maybe not. I will download latest Manjaro XFCE iso and try to pinpoint a solution for your issue. Regards Dear overlord, I would be much more glad about a solution fpr Ubuntu. Because Manjaro runs as virtual machine. And until a week ago smath worked in there.


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overlord		#6 Posted : 25 January 2022 21:30:52(UTC)
Rank: Advanced Member Groups: Registered Joined: 23/07/2013(UTC) Posts: 1,043 Was thanked: 444 time(s) in 298 post(s)		Manjaro livecd can run SMath without sudo when started on hardware. I just installed mono with sudo pacman -Sy mono, nothing more done. No need to be root for Manjaro when PC started from livecd installed on usb. I will burn Ubuntu 20.04 iso to usb and try with it now. I shall post how it went after I try it. Edited by user 25 January 2022 22:05:40(UTC) \| Reason: Not specified

1 user thanked overlord for this useful post.		on 27/01/2022(UTC)
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overlord		#7 Posted : 25 January 2022 23:45:20(UTC)
Rank: Advanced Member Groups: Registered Joined: 23/07/2013(UTC) Posts: 1,043 Was thanked: 444 time(s) in 298 post(s)		I tried Ubuntu 20.04 with qemu. Followed instructions on mono website. Installed mono, tried to run SMath. At first it run perfectly, I installed some plugins too. Second time, it didn't. Gave the _XRead error. I didn't understand what happened. Then tried to re-run, same thing. After entering ./smathstudio_desktop_mono couple of times, it run again. I did all this process without using sudo. SMath apparently can run without sudo, but mono gives error most time. I will try to dig further what is going on. Regards

3 users thanked overlord for this useful post.		on 25/01/2022(UTC), on 26/01/2022(UTC), on 26/01/2022(UTC)
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leopold		#8 Posted : 26 January 2022 16:35:43(UTC)
Rank: Member Groups: Registered Joined: 17/03/2013(UTC) Posts: 12		Dear overloard, a solution would be great! Thanks for your investigation and work! If I can support you in any way - let me know! greetings Leopold


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Paulo Malta		#9 Posted : 06 March 2022 17:37:08(UTC)
Rank: Newbie Groups: Registered Joined: 12/02/2022(UTC) Posts: 2 Location: São Paulo, Brazil		I use Smath in Win10 without any problem but I am migrating to Linux I am running Linux Mint 20.3 with mono-complete version 6.12.0.122-0xamain1+ubuntu2004b1 When I try to open SMathStudio_Desktop.exe with Mono Runtime (right mouse button) it crashes during loading, when I execute it as Administrator, it opens an extra window, Terminal (sudo) but runs. I already tried to remove and intall again Smath and Mono but remain the same


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overlord		#10 Posted : 07 March 2022 01:22:53(UTC)
Rank: Advanced Member Groups: Registered Joined: 23/07/2013(UTC) Posts: 1,043 Was thanked: 444 time(s) in 298 post(s)		Originally Posted by: Paulo Malta I use Smath in Win10 without any problem but I am migrating to Linux I am running Linux Mint 20.3 with mono-complete version 6.12.0.122-0xamain1+ubuntu2004b1 When I try to open SMathStudio_Desktop.exe with Mono Runtime (right mouse button) it crashes during loading, when I execute it as Administrator, it opens an extra window, Terminal (sudo) but runs. I already tried to remove and intall again Smath and Mono but remain the same This can occur on some other non-smath mono programs too. I found this crash error on SMath can be overcome with sudo. And I have read the solution about a different software, not smath. Mint is Ubuntu based, Ubuntu is a Debian based linux distro as you would know. All Debian based including pure Debian (both stable and testing) has this bug. I know because I have tried majority of them to find how to run SMath on a Debian-based distro. And I have failed, partially. It runs without sudo, as I have mentioned in post#7. You have to try to run it relentlessly if it fails to run. Sometimes after 5-10 try it runs, but sometimes 20-30 trial fails. Most of time it gives error, _xread error to be specific. And this behavior is not caused by smath itself. Debug says it is caused by a broken X extension library. Errors are mostly on libc.so and libpthread.so. Which are an essential package of system, libc6. Maybe recompiling them from source code could corrects the bug. But probably it will break the whole system. So I wouldn't recommend it. What I would humbly suggest is to try another distro family. Arch or Manjaro, Fedora, Solus, Void can be candidates. Regards Edited by user 07 March 2022 06:12:53(UTC) \| Reason: Not specified


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Int16		#11 Posted : 15 June 2022 21:24:45(UTC)
Rank: Newbie Groups: Registered Joined: 15/10/2020(UTC) Posts: 9		https://github.com/KSP-CKAN/CKAN/pull/2625/files the same problem, maybe


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