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zerofunk posted:From what I can tell, you do still need to install them for OpenCL support. That was why I installed them. Otherwise I think you’re right and I was using everything just fine for a few months without them. Huh, thats an oversight. Have you checked to make sure its not loading both? Might have to blacklist the stock one
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Oct 4, 2020 15:17
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No, mostly because I'm not really sure how to figure that out to be honest  I was trying to look at dmesg earlier and ended up kind of stuck because nothing was showing from previous system starts. I just learned about journalctl though, so I now have what looks to be the issue.amdgpu 0000:25:00.0: Direct firmware load for amdgpu/vega10_gpu_info.bin failed with error -2 amdgpu 0000:25:00.0: amdgpu: Failed to load gpu_info firmware "amdgpu/vega10_gpu_info.bin" amdgpu 0000:25:00.0: amdgpu: Fatal error during GPU init [drm] amdgpu: finishing device. BUG: kernel NULL pointer dereference, address: 0000000000000044 Looking at the logs from when it works... I don't see anything referencing a firmware load - definitely no error. The lines leading up to that point look a little different though. Some of the same things are in both, some aren't. I'll try uninstalling it tomorrow and see what kind of impact that has.
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Oct 4, 2020 21:13
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Hi, dumb question time. I'm a biologist who only has a passing knowledge of linux due to messing with red-hat and ubuntu on my home PC two decades ago. I've been running a data-intensive analysis for two days straight now, but now I'm wondering if the system is throttling it in some way. Am I reading this right? Top says that while the iqtree process is requesting 100% of the CPU resources, for the system, 90% of the CPU resources are idle? The system is adminned by someone who knows even less than me, so it wouldn't surprise me if we've configured something wrong.
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Oct 7, 2020 16:54
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Your application is probably single threaded so it's using 100% of one core but there are multiple cores available and most of them are idle. If you press '1' while top is running it should show you idle/usage stats for each core instead of an overall percentage.
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Oct 7, 2020 17:02
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Bobulus posted:Hi, dumb question time. I'm a biologist who only has a passing knowledge of linux due to messing with red-hat and ubuntu on my home PC two decades ago. Usage numbers in linux can be weird. I highly suggest installing htop, which will give you a much better idea of whats actually being used. Unless you went all customization happy on the OS, it shouldn't be throttling anything down, that isn't stock behavior. If you did go customization happy, stop that, the defaults are usually sane.
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Oct 7, 2020 17:03
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robostac posted:Your application is probably single threaded so it's using 100% of one core but there are multiple cores available and most of them are idle. Yeah, that looks to be the problem:  One CPU maxed out, the rest just sitting there. The weird thing is that the application is set to use all 12 cores. Documentation posted:--nthreads command posted:--nthreads 12 The command itself is running inside a shell environment. I don't know much about that, other than it uses docker. Now I'm wondering if something about the shell is set wrong, such that it only has 'access' to one core? I'm just guessing since I don't know much about modern linux?
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Oct 7, 2020 17:16
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Bobulus posted:Yeah, that looks to be the problem: Might check docker config.
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Oct 7, 2020 17:34
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"--cpu-quote=X" when running docker will cap the number of CPUs you can use, but that's not the only way CPUs can be constrained. Before checking that, I'd suggest checking to see if there are actually 12 threads running. If you do a "ps -eLf" (as root) then it'll show all processes, and I think there should be a line per-thread. If you don't see 12 (almost identical) lines then your "-nthreads 12" directive isn't working.
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Oct 7, 2020 18:33
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Anyone here use Mint 20? Is it worth the upgrade to over Mint 19? I just built a new home PC and was wondering if it was worth the hassle to reinstall over 19 that I had laying around already on a usb drive.
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Oct 7, 2020 19:22
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From the man-page, it looks like starting top with -H or pressing H when using top interactively will aggregate all the threads, just like it does on FreeBSD.
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Oct 8, 2020 10:20
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Also, nothing spends all its time doing parallel work - it may just be in a single-threaded phase right now.
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Oct 8, 2020 14:05
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Computer viking posted:Also, nothing spends all its time doing parallel work - it may just be in a single-threaded phase right now. Unless something isn't parallelizable, there's little reason not to do it on any modern OS with all the locking primitives available - and it turns out that many of the things we thought were unparallelizable simply aren't; case in point, in the past video encoding used to be thought impossible whereas nowadays h264 can be parallelized. The bigger issue often is fetching data into main storage from external storage (ie. from disk to memory) or any of the numerous uninterruptable wait states that is denoted by D process state, but top on Linux doesn't seem to show the process state, for reasons which must've made sense to its developers but don't make any sense to me. It's further complicated by the fact that some (not all, and they aren't very well-documented if at all) of those uninterruptable wait states also affect load averages on Linux but not any other Unix-like, so you can't even use them and need to resort to either a tracing framework or mpstat which isn't in the base system of any distribution.
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Oct 8, 2020 15:07
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I've been hearing for a while that an AMD gpu is the way to go and I had a chance to pick up an 5700XT fairly cheap recently to replace a 1070. Things aren't always better though, even though I am getting much better FPS in games. For example, in Eve Online things are pretty fine. Much better FPS as you would expect from a better card. In Elder Scrolls Online though I keep getting lots of hitching. I've messed with every setting, messed with an addons that lets you tweak settings such as max FPS, potato moded it you name it and nothing fixes it. It was pretty smooth on the 1070 (none of this hitching) and on Windows the game is perfect. Same monitor too, a 144Hz 1440p monitor that supports Activesync (which is enabled) and is certified by Nvidia too (its an Asus TUF VG27A). I saw some advice, which was to add the following to my xorg.conf.d as it apparently enables variable refresh. This did not help however. I've also made sure the monitor is runnning at 144Hz in GNOME's display config as well and tried it both under Wayland and Xorg. code:
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Oct 8, 2020 15:47
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Oh yeah, that historical load really doesn't show many signs of life. I'm otherwise familiar with the ... shape of the problem - one of the things I do for a living is helping our researchers run (and write) bioinformatics code. They have large data sets, so I grab any obvious opportunities to parallelize to save time - the big constraint tends to be RAM, things head into the hundreds of GB uncomfortably fast. (Also on FreeBSD, incidentally. It makes a perfectly pleasant analysis server, except for the sporadic tool and R package that has never been tested on a non-linux. My personal favourite thing is hardcoding /bin/make and using gmake syntax.)
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Oct 8, 2020 23:20
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Alright I'm getting into linux for the first time, I installed a partition but can't seeem to get it to boot windows. When I boot it gives me the option of linux or windows at /dev/sda1, but my windows is located in /dev/sda2. How can I get into that?
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Oct 12, 2020 23:04
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FunkyAl posted:Alright I'm getting into linux for the first time, I installed a partition but can't seeem to get it to boot windows. When I boot it gives me the option of linux or windows at /dev/sda1, but my windows is located in /dev/sda2. How can I get into that? If you select that option (windows at /dev/sda1), what happens?
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Oct 13, 2020 00:20
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Volguus posted:If you select that option (windows at /dev/sda1), what happens? The screen goes black and then returns me to the same grub(?) screen. Also on mine it says on/dev/sda1
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Oct 13, 2020 05:11
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FunkyAl posted:The screen goes black and then returns me to the same grub(?) screen. Also on mine it says on/dev/sda1 You can edit (temporarily) the grub entry by pressing e while in the menu. Fiddle with the partition it's trying to load. Once you get it working make it permanent in linux.
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Oct 13, 2020 05:22
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What command should I give it? I tried a generic "boot" command but it said it needed a kernel. I am also new at this and mostly illiterate.
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Oct 13, 2020 05:46
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Ayy I fixed it I just ran the boot repair! Otherwise, what are the fun things to do in linux.
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Oct 13, 2020 06:18
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Run... Gentoo?
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Oct 13, 2020 07:39
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Computer stuff, mostly.
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Oct 13, 2020 07:41
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Can i build a wisecracking computer butler in "lisp" E: or change what the "start" bar is like
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Oct 13, 2020 07:48
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With enough effort, probably.
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Oct 13, 2020 08:47
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You can install `sl` and have a fun surprise when you typo `ls`. For something unique, does your desktop environment ship wobbly windows? They are extremely cool.
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Oct 13, 2020 12:06
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Ha, that’s funny... Whatever happened to all of those bitchin’ desktop replacements/enhancements? Like Beryl and Compiz? Those literally got me into learning Linux. Having your desktop be a cube that you could spin while playing a different 1080p movie on each side back in the day was a real eye opener that maybe I wasn’t getting the best performance from Windows. I still use mainly windows, but I have a few Linux servers around the network doing various things. Thx flashy desktops!
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Oct 13, 2020 13:07
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namlosh posted:Ha, that’s funny...
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Oct 13, 2020 13:11
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mystes posted:Compositors still exist obviously but those effects are dumb.  namlosh posted:Whatever happened to all of those bitchin’ desktop replacements/enhancements? Like Beryl and Compiz? KDE Plasma is still carrying those effects. Using wobbly windows to put a very subtle effect on moving windows actually looks pretty neat. You can configure effects pretty thoroughly: 
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Oct 13, 2020 14:03
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Holy poo poo, compiz fusion. I remember writing a guide on how to do that for FreeBSD, when compiz was a brand new thing.
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Oct 13, 2020 15:05
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Yassssssss Seriously, those got me into trying Linux. People posted their desktops on YouTube... it was like a major thing, then it wasn’t lol. Gonna see if I can find a live CD I can boot so I can do that again just for fun... any recommendations?
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Oct 13, 2020 15:16
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KDE Neon is basically KDE's showcase distro. They have a live image.
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Oct 13, 2020 15:22
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Antigravitas posted:KDE Neon is basically KDE's showcase distro. They have a live image. Perfect, thank you
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Oct 13, 2020 15:33
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In case wayland is a thing anyone's interested in, there's a 3D compositor based on wlroots, inspired by compiz - and it as well as its plugins also available on FreeBSD.
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Oct 13, 2020 16:55
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D. Ebdrup posted:In case wayland is a thing anyone's interested in, there's a 3D compositor based on wlroots, inspired by compiz - and it as well as its plugins also available on FreeBSD. Do any of the more popular compositors / desktop environments support something like this tiling plugin? (Tiling WMs not included, of course - tiling windows is something I find occasionally useful but do not want to always have active) I really like the way this Wayfire implementation looks, it seems better than Windows's: https://www.youtube.com/watch?v=SKfhPsA8TxU
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Oct 13, 2020 17:54
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Yessssss, straight into my veins: cube plugin
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Oct 13, 2020 18:20
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I love my wobbly windows. As just a basic quality-of-life thing I find just dimming inactive windows is the most valuable, and I'm amazed that Microsoft hasn't stolen it for Windows. I was searching the other day and couldn't even find a program to bring that behavior into Windows that wasn't years out of date.
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Oct 13, 2020 19:30
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There are a ton of QoL features Windows is really slow to adopt. It took 3rd party programs to get more than one task bar. Setting a window to always be on top, despite being supported by the window manager, was something individual programs had to implement. Multi-desktops were also a really late addition and adding additional buttons to the window decoration is hacky as hell. Have they finally managed to add tabs to the file explorer?
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Oct 13, 2020 20:19
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It drives me nuts that file extensions still aren't visible by default on Windows 10.
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Oct 13, 2020 22:28
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NihilCredo posted:Do any of the more popular compositors / desktop environments support something like this tiling plugin?
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Oct 13, 2020 22:31
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Antigravitas posted:KDE Neon is basically KDE's showcase distro. They have a live image. It's based on the latest Ubuntu LTS release, so PPAs and various other Ubuntu-related stuff works on it too. I've been using it as my desktop distro for a while now, it has generally been a good experience, KDE is a wonderful desktop. I've since installed openSUSE Leap on my HTPC/server and my laptop, and I'll probably migrate the desktop at some point as well. KDE Neon is a rolling release distro, so there are tons of new updates pretty much every day, which gets a little tiring. Also I don't like how Ubuntu is going all-in on Snaps for software packaging now, it sucks so bad.
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Oct 14, 2020 08:28
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