From: Aaro Koskinen <aaro.koskinen@iki.fi>
To: Alexandre Oliva <lxoliva@fsfla.org>
Cc: Tom Li <tomli@tomli.me>, James Hogan <jhogan@kernel.org>,
Jiaxun Yang <jiaxun.yang@flygoat.com>,
Huacai Chen <chenhc@lemote.com>,
Ralf Baechle <ralf@linux-mips.org>,
linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC] On the Current Troubles of Mainlining Loongson Platform Drivers
Date: Tue, 12 Feb 2019 01:06:14 +0200 [thread overview]
Message-ID: <20190211230614.GB22242@darkstar.musicnaut.iki.fi> (raw)
In-Reply-To: <orimxq3q9j.fsf@lxoliva.fsfla.org>
Hi,
On Mon, Feb 11, 2019 at 08:38:00PM -0200, Alexandre Oliva wrote:
> On Feb 11, 2019, Tom Li <tomli@tomli.me> wrote:
> >> and, more recently, a very slow system overall, that's been present since
> >> 4.20.
>
> > The mainline framebuffer driver doesn't have any hardware drawing, printing
> > even a single line on the console is required a full screen redraw via memory-
>
> That doesn't seem to explain even a quiet boot up taking several times
> longer than 4.19, and package installation over an ethernet connection
> (thus not using the console) also taking several times longer.
Maybe it's a slow disk?
ATA (libata) CS5536 driver is having issues with spurious IRQs and often
disables IRQs completely during the boot. You should see a warning
in dmesg. This was the reason for slowness on my FuLoong mini-PC. A
workaround is to switch to old IDE driver.
Discussion: https://lore.kernel.org/linux-mips/20190106124607.GK27785@darkstar.musicnaut.iki.fi/
A.
next prev parent reply other threads:[~2019-02-11 23:06 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-08 8:30 [RFC] On the Current Troubles of Mainlining Loongson Platform Drivers Tom Li
2019-02-08 20:08 ` Paul Burton
2019-02-09 10:11 ` Tom Li
2019-02-09 19:38 ` Paul Burton
2019-02-11 12:13 ` Alexandre Oliva
2019-02-11 12:55 ` Tom Li
2019-02-11 22:38 ` Alexandre Oliva
2019-02-11 23:06 ` Aaro Koskinen [this message]
2019-02-12 4:39 ` tomli
2019-02-16 23:39 ` Alexandre Oliva
2019-02-17 4:59 ` Alexandre Oliva
2019-02-17 23:59 ` Aaro Koskinen
2019-02-18 1:37 ` Alexandre Oliva
2019-02-18 2:41 ` Maciej W. Rozycki
2019-03-07 6:41 ` Alexandre Oliva
2019-03-07 17:59 ` Maciej W. Rozycki
2019-03-08 0:46 ` Alexandre Oliva
2019-03-08 23:56 ` Maciej W. Rozycki
2019-05-26 9:19 ` Alexandre Oliva
2019-06-10 21:49 ` Aaro Koskinen
2019-06-12 5:55 ` Maciej W. Rozycki
2019-06-12 19:24 ` Aaro Koskinen
2020-01-23 0:20 ` Matt Turner
2020-01-24 18:58 ` Aaro Koskinen
2019-03-07 20:21 ` Aaro Koskinen
2019-03-07 21:22 ` Alexandre Oliva
2019-02-17 4:41 ` Alexandre Oliva
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