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Date:      Wed, 22 Oct 2014 15:41:22 -0600
From:      Warner Losh <imp@bsdimp.com>
To:        ticso@cicely.de
Cc:        Andreas Schwarz <Andreas.Schwarz@schwarzes.net>, George Rosamond <george@ceetonetechnology.com>, "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org>, Tim Kientzle <tim@kientzle.com>
Subject:   Re: sd card probing (was: FreeBSD 10.0 on Raspberry PI B+ no network devices
Message-ID:  <79A3C277-3977-46E5-98E4-2D7DFAF1D271@bsdimp.com>
In-Reply-To: <20141022204454.GA12231@cicely7.cicely.de>
References:  <20140825165622.6771b548@X220.alogt.com> <A7221D06-31EC-4E00-A08C-64DB33F400FE@gromit.dlib.vt.edu> <20140825163528.d2e696cc3d03ad9bebcd239c@schwarzes.net> <20140826074951.4cf5a8fc@X220.alogt.com> <53FD1646.2010103@ceetonetechnology.com> <20140827021349.1273f703c6756d07fad72a16@schwarzes.net> <20141014032743.GK38905@cicely7.cicely.de> <20141014041305.GM38905@cicely7.cicely.de> <CAB=2f8wiBLRYBVHUw-PptzQE-QP3%2B1EmHFMMMipZWi_dUG9m8w@mail.gmail.com> <20141022204454.GA12231@cicely7.cicely.de>

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On Oct 22, 2014, at 2:44 PM, Bernd Walter <ticso@cicely7.cicely.de> =
wrote:

> On Tue, Oct 14, 2014 at 12:51:50PM -0300, Luiz Otavio O Souza wrote:
>> On 14 October 2014 01:13, Bernd Walter wrote:
>>>=20
>>> Ok - that card problem seems random or contact related.
>>> Whatever, it is 6 am - time to sleep ;-)
>>=20
>> I've found a missing silicon bug workaround on our driver.
>>=20
>> It's pretty recent and i'm still building new images to test with =
more
>> cards, but it did fix all the instability i was seeing on the
>> identification of one of my cards.
>>=20
>> Together with the new firmware (yes, there is another SD fix there) =
my
>> RPi B rev 2 (with this same card) has gone from unusable to rock
>> stable (i've done 80 cold boots without any damage/corruption to the
>> card).
>>=20
>> Please, give it a try and let me know if it helps.
>=20
> Tested.
> All I can say so far is that it is random, but your patch didn't help.
> Furthermore this problem now happens on each boot try.
> It still may be possible that it can boot, but I've tried many more
> times than needed before.
>=20
> Timecounters tick every 10.000 msec
> usbus0: 480Mbps High Speed USB v2.0
> ugen0.1: <DWCOTG> at usbus0
> uhub0: <DWCOTG OTG Root HUB, class 9/0, rev 2.00/1.00, addr 1> on =
usbus0
> mmcsd0: 8GB <SDHC 00000 1.0 SN 62A50A6C MFG 11/2013 by 27 SM> at mmc0 =
41.6MHz/4bit/65535-block
> mmcsd0: Error indicated: 1 Timeout
> mmcsd0: Error indicated: 1 Timeout
> fb0: 656x416(0x0@0,0) 16bpp
> fb0: pitch 1312, base 0x5e006000, screen_size 545792
> fbd0 on fb0
> VT: initialize with new VT driver "fb".

My RPi-B fails at mount root. It just hangs forever with recent kernel / =
firmware.

Warner

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