ChanServ changed the topic of #asahi to: Asahi Linux: porting Linux to Apple Silicon macs | https://asahilinux.org/2022/03/asahi-linux-alpha-release/ | General project discussion | GitHub: https://alx.sh/g | Wiki: https://alx.sh/w | Topics: #asahi-dev #asahi-re #asahi-gpu #asahi-alt #asahi-stream #asahi-offtopic | Keep things on topic | Logs: https://alx.sh/l/asahi
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<nicolas17> I noticed some colors look weird on the MBP, like too saturated... any chance asahi/wayland/plasma/something isn't properly handling the wide gamut display?
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<marcan> that's entirely likely. I think Apple uses wider gamut framebuffers by default, and we have no way of expressing that in simpledrm so it'll just pretend it's sRGB.
<marcan> DCP should give us the metadata we need to handle that properly, if userspace plays ball
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<jannau> that sounds like dcp with 10-bit color format. disabled for now. issue is most likely that dcp offers only a color mode with depth 8. I've deferred investigating it for brightness control (and dcpext)
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<mkurz> Hi! Wondering if it's recommended to enable TRIM for my Macbook Pro? Talking about fstrim.timer, see https://wiki.archlinux.org/title/Solid_state_drive#Periodic_TRIM
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<bluetail> mkurz if you have ssds, I would use it
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<mkurz> bluetail: So yeah it seems the MacBook Pros come with SSDs...
<mkurz> Someone here has fstrmi enabled on a MacBook Pro?
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<mkurz> bluetail: I guess all M1/M2 devices Apple ships come with SSDs
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<bluetail> you guess? Trim is meant for making the life of ssds a little bit longer. Though on macOS there was some kind of nasty thing reported which affects all devices running OSx. It was something about read/write cache and the way it purges it, leaving to inevitable file corruption at some point. But shouldnt be there on asahi / arch and others
<mkurz> OK, so you say it's safe to run it under Asahi/Arch?
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<jannau> nicolas17: your color saturation issue sounds like dcp with 10-bit color format. disabled for now. issue is most likely that dcp offers only a color mode with depth 8. I've deferred investigating it for brightness control (and dcpext)
<jannau> you can cherry-pick acaa9168d19be02bb92f155a952deed0cd993223 to disable the 10-bit color format
<nicolas17> hmm I'm on a normal install with the public kernel, so afaik no DCP driver
<jannau> yes. it's not dcp then. is the saturation issue clearly noticeable? 13 or 14/16 inch macbook pro?
<nicolas17> 13" M2
<nicolas17> I may be wrong but I couldn't think of an *objective* way to know if the colors are off or not
<jannau> compare with another display (known good) next to it with similar brightness showing the same image
<mkurz> Is it normal that hdparam does not show anything for my drive? $ sudo hdparm -I /dev/nvme0n1
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<bluetail> is hdsentinel not available?
<bluetail> nicolas17 I had the inverse issue. Colors appear too saturated on a monitor that doesnt even support the range. That's when I started to use the mac device only headless
<nicolas17> bluetail: heh, I haven't tried external monitor
<nicolas17> my monitors have VGA or HDMI, and I didn't buy an HDMI adapter for the MBP
<bluetail> I doubt I'll be able to prove it anyways
<bluetail> but on the m1 mini, what you connect to the hdmi port is essentially what would've been used for the internal display
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<sven> mkurz: this is not a regular ssd, it’s a custom flash controller exposed via nvme
<sven> doesn’t surprise me that normal tools meant for regular hdd/ssd don’t work
<mkurz> sven: Alright. So does that mean fstrim is NOT necessary?
<sven> I don’t know what that is
<sven> that sounds like some legacy thing, nvme doesn’t use ATA commands.
<sven> there might be a equivalent command but I don’t think it’s necessary
<mkurz> sven: Great, thanks, that's what I wanted to know!
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<mkurz> sven: Thanks!
<mkurz> So I will keep it disabled.
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<millenialhacker> I see my M1 Pro really hot while building chromium. Should I expect Fans to be activated? Are Fans controlled by Asahi Kernel or it's something handled by co-processors firmware?
<psykose> you should expect your fans to be active when literally using 100% of the cpu, yes
<millenialhacker> I see CPUs at 100% (except one) and fans off still
<ChaosPrincess> they do not kick in immediately
<ChaosPrincess> apple optimizes for silence over perf
<millenialhacker> Cool, thanks!
<millenialhacker> Has anyone build chromium / webkit in M1 Pro / Ultra / Max that can give me some build time guesstimate?
<millenialhacker> s/build/built/g
<ChaosPrincess> leave it overnight, lol
<millenialhacker> :D
<millenialhacker> I was hoping < 30m
<ChaosPrincess> hahahaha
<millenialhacker> :D
<millenialhacker> Was it a good joke?
<ChaosPrincess> i built it on dual 10-core xeon e5s, it takes more than 30m
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<ChaosPrincess> ofc, m1 has way higher ipc, but having 2x the cores and 4x the threads helps a lot
<zshrc> If you're doing builds on macOS I recommend using a fan controller. I keep mine at 1500 rpm constantly. Keeps it cool and can't be heard.
<zshrc> Full blast when I build Linux tho
<ChaosPrincess> and while gentoo is great and all, imo, browsers are a bit too much
<millenialhacker> It seems build times are around 50h :S
<ChaosPrincess> esp if you like running nightlies like i do
<millenialhacker> I wonder in which HW
<millenialhacker> I set j8 (from 10 cores)
<millenialhacker> but it's definetely not going to speed up thing a lot
<ChaosPrincess> that chart is cpu-hours and it is skylake xeons
<zshrc> 14nm right?
<zshrc> Fairly old
<zshrc> \/s
<ChaosPrincess> well, its intel, so, 14nm is 'new' :P
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<millenialhacker> I wonder why webkit compiles fast compared to chromium.
<nicolas17> millenialhacker: I'm on M2 MBP and compiling the Linux kernel quickly makes the fans turn on, but some other non-compiler all-core workloads don't
<millenialhacker> nicolas17: interesting... mine are not active yet. I think it's because I'm using j8 but this MBP M1 Pro has 10 cores, so there are always two cores available
<nicolas17> that's one possibility
<nicolas17> another possibility is that the larger MBPs (with Pro/Max) have better passive cooling than the 13"
<millenialhacker> This one is 14" so I think it's same form factor as 13" but a slightly bigger screen, right?
<millenialhacker> well.. actually I think chassis is also a little bit bigger as well
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<millenialhacker> compared to MBP M1
<ChaosPrincess> doesnt it have 2 fan vs 1 of the 13-inchers
<nicolas17> I mean it *has* to have better cooling because M1 Pro is going to heat more than M1, question is if it has >2x better cooling for <2x heat :P
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<millenialhacker> Is nvme performance suboptimal in Linux compared to MacOS?
<ChaosPrincess> a bit? macos ignores fsync, linux honors it, but ext4 is faster than apfs
<j`ey> well linux has this delayed flush thing
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<millenialhacker> I remember a tw thread from marcan about it
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