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From: Pavel Machek <pavel@ucw.cz>
To: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: Felipe Balbi <balbi@ti.com>,
	pali.rohar@gmail.com, sre@debian.org, sre@ring0.de,
	kernel list <linux-kernel@vger.kernel.org>,
	linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
	linux-omap@vger.kernel.org, tony@atomide.com, khilman@kernel.org,
	ivo.g.dimitrov.75@gmail.com
Subject: Re: 3.19 on Nokia n900: audio quality awful
Date: Tue, 6 Jan 2015 23:58:56 +0100	[thread overview]
Message-ID: <20150106225856.GB31990@amd> (raw)
In-Reply-To: <20150106222717.GC6071@fuloong-minipc.musicnaut.iki.fi>

On Wed 2015-01-07 00:27:17, Aaro Koskinen wrote:
> On Tue, Jan 06, 2015 at 11:08:05PM +0100, Pavel Machek wrote:
> > On Tue 2015-01-06 22:57:30, Aaro Koskinen wrote:
> > > Hi,
> > > 
> > > On Tue, Jan 06, 2015 at 09:50:00PM +0100, Pavel Machek wrote:
> > > > PS: Unfortunately, N900 will not boot using nfsroot in 3.16+ at least,
> > > > and boot from MMC card is broken and has been for quite some time.
> > > 
> > > USB networking works fine with 3.19-rc3 and also MMC card rootfs.
> > 
> > Does nfsroot work for you? USB networking works as a module but not
> > build-in. [Patch is available for this one.]
> > 
> > u-SD card seems to have similar problem. If I try it after boot, I can
> > access it ok, but using u-SD card for rootfs fails. If it works for
> > you, it would be interesting to know.
> 
> I haven't tried nfsroot, but I've been using USB networking for ssh
> for a couple of years without issues. I have g_ether as module.
> 
> Also I recently switched rootfs to u-SD card, and it (MMC) works fine
> as builtin.
> 
> But I'm mounting it from userspace (using builtin initramfs inside
> zImage), with a poll loop that waits for a device to appear. Maybe if you
> do it from kernel you need to use root wait/delay etc. options?

Yes, it works if I mount it later. It fails when done directly using
root=, even with rootwait etc. Hard to believe, yes, but try it. You
can watch the results on console.

									Pavel

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

WARNING: multiple messages have this Message-ID (diff)
From: pavel@ucw.cz (Pavel Machek)
To: linux-arm-kernel@lists.infradead.org
Subject: 3.19 on Nokia n900: audio quality awful
Date: Tue, 6 Jan 2015 23:58:56 +0100	[thread overview]
Message-ID: <20150106225856.GB31990@amd> (raw)
In-Reply-To: <20150106222717.GC6071@fuloong-minipc.musicnaut.iki.fi>

On Wed 2015-01-07 00:27:17, Aaro Koskinen wrote:
> On Tue, Jan 06, 2015 at 11:08:05PM +0100, Pavel Machek wrote:
> > On Tue 2015-01-06 22:57:30, Aaro Koskinen wrote:
> > > Hi,
> > > 
> > > On Tue, Jan 06, 2015 at 09:50:00PM +0100, Pavel Machek wrote:
> > > > PS: Unfortunately, N900 will not boot using nfsroot in 3.16+ at least,
> > > > and boot from MMC card is broken and has been for quite some time.
> > > 
> > > USB networking works fine with 3.19-rc3 and also MMC card rootfs.
> > 
> > Does nfsroot work for you? USB networking works as a module but not
> > build-in. [Patch is available for this one.]
> > 
> > u-SD card seems to have similar problem. If I try it after boot, I can
> > access it ok, but using u-SD card for rootfs fails. If it works for
> > you, it would be interesting to know.
> 
> I haven't tried nfsroot, but I've been using USB networking for ssh
> for a couple of years without issues. I have g_ether as module.
> 
> Also I recently switched rootfs to u-SD card, and it (MMC) works fine
> as builtin.
> 
> But I'm mounting it from userspace (using builtin initramfs inside
> zImage), with a poll loop that waits for a device to appear. Maybe if you
> do it from kernel you need to use root wait/delay etc. options?

Yes, it works if I mount it later. It fails when done directly using
root=, even with rootwait etc. Hard to believe, yes, but try it. You
can watch the results on console.

									Pavel

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

  parent reply	other threads:[~2015-01-06 22:58 UTC|newest]

Thread overview: 81+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-06 17:04 3.19 on Nokia n900: audio quality awful Pavel Machek
2015-01-06 17:04 ` Pavel Machek
2015-01-06 17:25 ` Felipe Balbi
2015-01-06 17:25   ` Felipe Balbi
2015-01-06 17:25   ` Felipe Balbi
2015-01-06 17:51   ` Pavel Machek
2015-01-06 17:51     ` Pavel Machek
2015-01-06 20:28     ` Felipe Balbi
2015-01-06 20:28       ` Felipe Balbi
2015-01-06 20:28       ` Felipe Balbi
2015-01-06 20:50       ` Pavel Machek
2015-01-06 20:50         ` Pavel Machek
2015-01-06 20:54         ` Felipe Balbi
2015-01-06 20:54           ` Felipe Balbi
2015-01-06 20:54           ` Felipe Balbi
2015-01-06 21:57           ` Pavel Machek
2015-01-06 21:57             ` Pavel Machek
2015-01-06 22:02             ` Felipe Balbi
2015-01-06 22:02               ` Felipe Balbi
2015-01-06 22:02               ` Felipe Balbi
2015-01-06 20:57         ` Aaro Koskinen
2015-01-06 20:57           ` Aaro Koskinen
2015-01-06 22:08           ` Pavel Machek
2015-01-06 22:08             ` Pavel Machek
2015-01-06 22:27             ` Aaro Koskinen
2015-01-06 22:27               ` Aaro Koskinen
2015-01-06 22:46               ` Felipe Balbi
2015-01-06 22:46                 ` Felipe Balbi
2015-01-06 22:46                 ` Felipe Balbi
2015-01-06 22:52                 ` Tony Lindgren
2015-01-06 22:52                   ` Tony Lindgren
2015-01-06 22:56                 ` Pavel Machek
2015-01-06 22:56                   ` Pavel Machek
2015-01-06 23:04                   ` Felipe Balbi
2015-01-06 23:04                     ` Felipe Balbi
2015-01-06 23:04                     ` Felipe Balbi
2015-01-06 23:13                     ` Pavel Machek
2015-01-06 23:13                       ` Pavel Machek
2015-01-06 23:29                       ` Felipe Balbi
2015-01-06 23:29                         ` Felipe Balbi
2015-01-06 23:29                         ` Felipe Balbi
2015-01-06 22:58               ` Pavel Machek [this message]
2015-01-06 22:58                 ` Pavel Machek
2015-01-07 19:43                 ` Aaro Koskinen
2015-01-07 19:43                   ` Aaro Koskinen
2015-01-06 20:39     ` Aaro Koskinen
2015-01-06 20:39       ` Aaro Koskinen
2015-01-18 12:01 ` Pavel Machek
2015-01-18 12:01   ` Pavel Machek
2015-01-26 13:20   ` Peter Ujfalusi
2015-01-26 13:20     ` Peter Ujfalusi
2015-01-26 13:20     ` Peter Ujfalusi
2015-01-28 18:15     ` Jarkko Nikula
2015-01-28 18:15       ` Jarkko Nikula
2015-01-28 22:41       ` Pavel Machek
2015-01-28 22:41         ` Pavel Machek
2015-01-28 22:41         ` Pavel Machek
2015-01-29  7:35         ` Jarkko Nikula
2015-01-29  7:35           ` Jarkko Nikula
2015-01-29 11:19           ` Peter Ujfalusi
2015-01-29 11:19             ` Peter Ujfalusi
2015-01-29 11:19             ` Peter Ujfalusi
2015-01-29 20:42             ` Pavel Machek
2015-01-29 20:42               ` Pavel Machek
2015-01-30  8:16               ` Pali Rohár
2015-01-30  8:16                 ` Pali Rohár
2015-01-30  8:52                 ` Pavel Machek
2015-01-30  8:52                   ` Pavel Machek
2015-01-30 10:26             ` Pavel Machek
2015-01-30 10:26               ` Pavel Machek
2015-01-30 10:37               ` Pavel Machek
2015-01-30 10:37                 ` Pavel Machek
2015-01-30 12:40                 ` Peter Ujfalusi
2015-01-30 12:40                   ` Peter Ujfalusi
2015-01-30 12:40                   ` Peter Ujfalusi
2015-01-30 12:43                   ` Peter Ujfalusi
2015-01-30 12:43                     ` Peter Ujfalusi
2015-01-30 12:43                     ` Peter Ujfalusi
2015-01-28 22:02     ` Pavel Machek
2015-01-28 22:02       ` Pavel Machek
2015-01-28 22:02       ` Pavel Machek

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