robclark changed the topic of #aarch64-laptops to: Linux support for AArch64 Laptops (Chrome OS Trogdor Devices - Asus NovaGo TP370QL - HP Envy x2 - Lenovo Mixx 630 - Lenovo Yoga C630 - Lenovo ThinkPad X13s - and various other snapdragon laptops) - https://oftc.irclog.whitequark.org/aarch64-laptops
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<strongtz[m]> you can only know if orientation is working by looking at the speed of the usb device
<strongtz[m]> if usb3 speed works in either orientation, then it works
<strongtz[m]> usb2 speed should always work
<HdkR> lsusb -t is great for determining the speed of a connected device. Didn't know -t gave that information until a few months ago
<JensGlathe[m]> lsusb -tv is what I use
<JensGlathe[m]> as a general rule, you can say USB Drive with logo up on a laptop = non-swaüüed
<JensGlathe[m]> s/swaüüed/swapped/
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<_`[m]> https://jcs.org/2021/01/27/x1nano not arm but inspirational
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<danielt> So I was intrigued by the recent patches to implement fake NUMA on arm64 (https://lore.kernel.org/all/20240625125803.38038-1-tursulin@igalia.com/ ). I had a quick try on X13s and Yoga 630C. Effects are not nearly as dramatic as on the RPi5 but it does seem to boost GeekBench6 MT by a little over a 1% . It's uneven though and doesn't move the clang benchmark much (and compilers are obviously the only thing that matters):
<danielt> I think it runs for a short enough time that the effect is real and not thermal ;-). I certainly saw the same lift multiple times.
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<robclark> danielt: is the scheduler aware of the clusters? I suspect grouping threads in a process on the same cluster would be beneficial..
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<agl_> steev: Of the binutils and gcc and the other libraries are new version in the repositories of Debian/testing. But when I install it and compile your kernel (6.9.5) it is 230 KB smaller than the deb-pakage with the old gcc/binutilities.
<steev> agl_: it's known, or maybe it's not known, but reporting it to me isn't gonna do anything, that's a debian bug and they need to fix it
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<steev> if you want to have the latest and compile a working kernel, for now, just turn off RELR
<JensGlathe[m]> interesting, ubuntu toolchain explicitly uses LLD, had to install it to build
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<steev> JensGlathe[m]: it only affects with relr Y and binutils > 2.42
<ema> note that in Debian we did explicitly turn off RELR for now as a workaround, see https://tracker.debian.org/news/1540324/accepted-linux-697-1-source-into-unstable/
<ema> one of the tricky parts is that if you don't have CONFIG_RELR explicitly set to 'n', then when building the kernel with a recent enough binutils one of the makefiles turns RELR on for you :)
* travmurav[m] wonders why compressed relocations always cause problems for everyone
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<anthr76[m]> Hey folks! Has anyone worked with NixOS yet for the recent aarch64 laptops? Super excited to get driving one
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<steev> travmurav[m]: not everyone, just non-clang users
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<travmurav[m]> no I mean it's at least 3rd time I see relr causing problems in different contexts, at least this time I'm not the one fixing it lol
<steev> oh i was just being sarcastic :)
<steev> anthr76[m]: define "recent"
<travmurav[m]> but fwiw relr is quite a cool thing, it shoves off like 10MiB of relocation data from firefox on aarch64 iirc
<anthr76[m]> steev: Ideally snapdragon X elite but even all the way down to the Thinkpad x13s :)
<steev> there are people using nixos on the x13s, afaik, x elite laptops haven't yet made their way in to the kernel, though vivobook s has at least started being submitted
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<frozen_cheese[m]> Greetings all.... (full message at <https://matrix.org/_matrix/media/v3/download/matrix.org/EEmjaiykMrFvAhUmrsCeeMbH>)
<robclark> frozen_cheese[m]: fwiw, with init=/bin/sh on x1 yoga, things appear ok.. but I'm hitting a reboot a bit later on with normal boot. Haven't quite figured out what is happening yet..
<frozen_cheese[m]> Thanks I'll keep that in mind!
<steev> robclark: is that why you're submitting all the pretty printing stuff?
<robclark> naw, that is unrelated.. sboyd wanted crash reports to be easier to read ;-)
<steev> fair
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<agl_> steev: I try "CONFIG_RELR=n" that works and your kernel starts.
<steev> agl_: again, it's a debian bug, nothing to do with my stuff
<agl_> yes
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