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Date:      Fri, 31 Aug 2018 22:39:20 +0200
From:      Emmanuel Vadot <manu@bidouilliste.com>
To:        Mark Millard <marklmi@yahoo.com>
Cc:        Mark Millard via freebsd-arm <freebsd-arm@freebsd.org>, Marius Strobl <marius@freebsd.org>
Subject:   Re: Attempted large jump to head -r337347 for pine64+ 2GB did not finish the boot: eventual MMC handling problems before root file system is mounted
Message-ID:  <20180831223920.426cde04de5230f4a5a55bb9@bidouilliste.com>
In-Reply-To: <9FD914F2-0630-45B0-B5B8-9CFD85F158C7@yahoo.com>
References:  <0918383D-5A5A-40A0-ADCB-08C500153BE1@yahoo.com> <20180806124421.0b622761272370d2946cac29@bidouilliste.com> <0FF066AF-D9F3-4523-8203-B9405091F10A@yahoo.com> <20180806193755.8c4e9a63bcd0870d55fe3969@bidouilliste.com> <9FD914F2-0630-45B0-B5B8-9CFD85F158C7@yahoo.com>

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On Fri, 31 Aug 2018 13:32:01 -0700
Mark Millard <marklmi@yahoo.com> wrote:

> [FYI: sdhc cards (or the one I have) also gets a VCCQ notice.
> Mathcing boot -v output included. Most other material
> removed.]
> 
> On 2018-Aug-6, at 10:37 AM, Emmanuel Vadot <manu at bidouilliste.com> wrote:
> 
> > On Mon, 6 Aug 2018 10:12:43 -0700
> > Mark Millard <marklmi@yahoo.com> wrote:
> > 
> >> On 2018-Aug-6, at 3:44 AM, Emmanuel Vadot <manu at bidouilliste.com> wrote:
> >> 
> >>> . . .
> >> 
> >>> Can you boot -v and post the result please ?
> >> 
> >> Glad to . . .
> >> 
> . . .
> >> aw_mmc0: Powering up sd/mmc
> >> mmc0: Probing bus
> >> ugen0.1: <Allwinner EHCI root HUB> at usbus0
> >> uhub0: <Allwinner EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus0
> >> ugen1.1: <Generic OHCI root HUB> at usbus1
> >> uhub1: <Generic OHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus1
> >> aw_mmc0: error rint: 0x00000100
> >> AW_MMC_INT_RESP_TIMEOUT 
> >> aw_mmc0: error rint: 0x00000100
> >> AW_MMC_INT_RESP_TIMEOUT 
> >> aw_mmc0: error rint: 0x00000100
> >> AW_MMC_INT_RESP_TIMEOUT 
> >> aw_mmc0: error rint: 0x00000100
> >> AW_MMC_INT_RESP_TIMEOUT 
> >> aw_mmc0: error rint: 0x00000100
> >> AW_MMC_INT_RESP_TIMEOUT 
> >> aw_mmc0: error rint: 0x00000100
> >> AW_MMC_INT_RESP_TIMEOUT 
> >> aw_mmc0: error rint: 0x00000100
> >> AW_MMC_INT_RESP_TIMEOUT 
> >> aw_mmc0: error rint: 0x00000100
> >> AW_MMC_INT_RESP_TIMEOUT 
> >> mmc0: SD probe: failed
> >> mmc0: MMC probe: OK (OCR: 0x40ff8080)
> >> mmc0: Current OCR: 0x00ff8080
> >> mmc0: Probing cards
> >> mmc0: New card detected (CID 150100444a4e423452079f43b2e7636f)
> >> mmc0: New card detected (CSD d02701320f5903fff6dbffef8e40400d)
> >> aw_mmc0: error rint: 0x00008010
> >> AW_MMC_INT_DATA_END_BIT_ERR
> >> mmc0: Card at relative address 0x0002 added:
> >> mmc0:  card: MMCHC DJNB4R 0.7 SN <REPLACED> MFG 06/2016 by 21 0x0000
> >> mmc0:  quirks: 0
> >> mmc0:  bus: 4bit, 200MHz (HS200 timing)
> >> mmc0:  memory: 244277248 blocks, erase sector 1024 blocks
> >> aw_mmc0: error rint: 0x00000100
> >> AW_MMC_INT_RESP_TIMEOUT 
> >> aw_mmc0: error rint: 0x00000100
> >> AW_MMC_INT_RESP_TIMEOUT 
> >> aw_mmc0: error rint: 0x00000100
> >> AW_MMC_INT_RESP_TIMEOUT 
> >> aw_mmc0: error rint: 0x00000100
> >> AW_MMC_INT_RESP_TIMEOUT 
> >> mmc0: setting transfer rate to 52.000MHz (dual data rate timing)
> >> mmc0: Failed to set VCCQ for card at relative address 2
> > 
> > So the driver is selecting DDR52 transfer rate but, of course,
> > cannot switch the IO voltage to 1.8V as on this board the IO voltage
> > for the SD card is tied to 3.3V
> > 
> 
> sdhc cards (or the one I have) also get the VCCQ notice. Here
> is a segment of the matching boot -v output (serial numbers
> and some interlaced material removed):
> 
> aw_mmc0: Powering up sd/mmc
> axp8xx_pmu0: Enable vcc-3v3 (dcdc1)
> mmc0: Probing bus
> ugen1.1: . . .
> . . .
> uhub3: . . .
> mmc0: SD probe: OK (OCR: 0x40ff8000)
> mmc0: Current OCR: 0x00ff8000
> mmc0: Probing cards
> mmc0: New card detected (CID 035344534533324780????????01171d)
> mmc0: New card detected (CSD 400e00325b590000edc87f800a4040c3)
> mmc0: Card at relative address 0xaaaa added:
> mmc0:  card: SDHC SE32G 8.0 SN <REPLACED> MFG 07/2017 by 3 SD
> mmc0:  quirks: 0
> mmc0:  bus: 4bit, 50MHz (high speed timing)
> mmc0:  memory: 62333952 blocks, erase sector 8192 blocks
> mmc0: setting transfer rate to 50.000MHz (high speed timing)
> mmcsd0: 32GB <SDHC SE32G 8.0 SN 09781303 MFG 07/2017 by 3 SD> at mmc0 50.0MHz/4bit/32768-block
> GEOM: new disk mmcsd0
> mmc0: setting bus width to 4 bits high speed timing
> mmc0: Failed to set VCCQ for card at relative address 43690
> 
> (This is still based on head -r338341 despite the typo in the
> subject line.)
> 
> ===
> Mark Millard
> marklmi at yahoo.com
> ( dsl-only.net went
> away in early 2018-Mar)

 What is the point of this mail exactly ? I've already answered why you
are seeing this and that it is harmless.

-- 
Emmanuel Vadot <manu@bidouilliste.com> <manu@freebsd.org>



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