Starlink has bufferbloat. Bad.
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From: Dave Taht <davet@teklibre.net>
To: Nathan Owens <nathan@nathan.io>
Cc: Nils Andreas Svee <me@lochnair.net>,
	starlink@lists.bufferbloat.net, Hauke Mehrtens <hauke@hauke-m.de>
Subject: Re: [Starlink] (udm pro) Was: Re: Does the dish run OpenWrt?
Date: Tue, 8 Jun 2021 16:37:15 -0700	[thread overview]
Message-ID: <BC13963A-A9EB-4940-864F-36A765F6E987@teklibre.net> (raw)
In-Reply-To: <CALjsLJt8rZZzZ5tNuNVvJB7ZrutOxTqe8BkOoA+uS71Z8DvUcg@mail.gmail.com>

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It always had fq_codel (“smart queues”) but they buried it in the “old gui”. Their default bandwidth test doesn’t set it right and they missed scaling the quantum properly so it scaled to a gbit.

toss the sqm-scripts onto it…

lastly, sch_cake builds out of tree for linux versions as old as linux 3.10.

> On Jun 8, 2021, at 3:31 PM, Nathan Owens <nathan@nathan.io> wrote:
> 
> Yep, I run the latest code:
> Linux Nathan-UDMP 4.19.152-al-linux-v10.2.0-v1.10.0-12.3672-bace201 #1 SMP Fri May 28 18:00:20 UTC 2021 aarch64 GNU/Linux
> 
> At least it has fq_codel now... 
> 
> On Tue, Jun 8, 2021 at 3:29 PM Nils Andreas Svee <me@lochnair.net <mailto:me@lochnair.net>> wrote:
> Nice find!
> 
> I guess someone finally managed to coax the kernel sources out of them. Still nothing on the download page, so I guess you got to reach out to them yourself if you'd like a copy.
> 
> Are you on the beta firmware that got upgraded to kernel 4.19 Nathan? Wouldn't have high expectations of CAKE being enabled, but at least you won't have to backport.
> 
> Either way the software on those things are a disappointment, so if I ever get one it'll be to run OpenWrt on (or just plain Alpine/Debian or similar).
> 
> Best Regards
> Nils
> 


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      reply	other threads:[~2021-06-08 23:52 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <98e5e35f-dcca-0b1c-65c1-3da193779b5f@phrozen.org>
     [not found] ` <d7409eb6-e972-ac74-36d0-ea5297c39ad0@hauke-m.de>
     [not found]   ` <95CC2CF3-6EBB-4F8F-AD2C-58E791459E8D@teklibre.net>
     [not found]     ` <701613ff-7a53-267f-77d0-a4e015b8410c@hauke-m.de>
     [not found]       ` <6A2BF4D0-EF5E-4256-AE95-B61F12200BD8@teklibre.net>
2021-06-08 21:52         ` Nathan Owens
2021-06-08 22:29           ` Nils Andreas Svee
2021-06-08 22:31             ` Nathan Owens
2021-06-08 23:37               ` Dave Taht [this message]

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