Date: Sat, 8 Mar 2014 22:50:00 GMT From: Mats Erik Andersson <nokkaslys@gmail.com> To: freebsd-arm@FreeBSD.org Subject: Re: arm/181601: Sporadic failure of root mount on ARM/Raspberry Message-ID: <201403082250.s28Mo08u018439@freefall.freebsd.org>
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The following reply was made to PR arm/181601; it has been noted by GNATS. From: Mats Erik Andersson <nokkaslys@gmail.com> To: bug-followup@FreeBSD.org Cc: Subject: Re: arm/181601: Sporadic failure of root mount on ARM/Raspberry Date: Sat, 8 Mar 2014 23:48:56 +0100 --f46d043bdf9ce8e17504f4202ca5 Content-Type: multipart/alternative; boundary=f46d043bdf9ce8e17204f4202ca3 --f46d043bdf9ce8e17204f4202ca3 Content-Type: text/plain; charset=ISO-8859-1 Most probably this issue is caused by the clock frequency chosen by mmcsd(4) during setup. Success happens only with 25.0 MHz, while timeouts and failures are legio happen with 50.0 MHz. The appended text gives more details. Regards, Mats Erik Andersson --f46d043bdf9ce8e17204f4202ca3 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable <div dir=3D"ltr"><div><div><div><div><div>Most probably this issue is cause= d by the clock frequency chosen<br></div>by mmcsd(4) during setup. Success = happens only with 25.0 MHz,<br></div>while timeouts and failures are legio = happen with 50.0 MHz.<br> The appended text gives more details.<br></div><br></div>Regards,<br></div>= =A0=A0 Mats Erik Andersson<br></div> --f46d043bdf9ce8e17204f4202ca3-- --f46d043bdf9ce8e17504f4202ca5 Content-Type: text/plain; charset=US-ASCII; name="arm_sdhc.txt" Content-Disposition: attachment; filename="arm_sdhc.txt" Content-Transfer-Encoding: base64 X-Attachment-Id: f_hsjhkf4n0 CkkgaGF2ZSBzb21lIHJlbGV2YW50IG9ic2VydmF0aW9ucyBvbiB0aGlzIGlzc3VlLgpUb2RheSBJ IGhhdmUgdHJpZWQgdG8gZ2V0IHRoZSBzbmFwc2hvdHMKCiAgIDExLjAtQ1VSUkVOVC1hcm0tYXJt djYtUlBJLUItMjAxNDAyMDktcjI2MTY0MgoKICAgMTEuMC1DVVJSRU5ULWFybS1hcm12Ni1SUEkt Qi0yMDE0MDIyMi1yMjYyMzM2Cgpnb2luZy4gQm90aCBmYWlsZWQgdG8gbW91bnQgdGhlIHJvb3Qg ZmlsZSBzeXN0ZW0sIGluc3BpdGUgb2YKcmVwZWF0ZWQgZWZmb3J0cy4gSG93ZXZlciwKCiAgIDEw LjAtU1RBQkxFLWFybS1hcm12Ni1SUEktQi0yMDE0MDMwMS1yMjYyNjU3CgppcyBzb21ldGltZXMg YWJsZSB0byBib290LCBidXQgbm90IGFsd2F5cy4gVW5mb3J0dW5hdGVseSB0aGUgbWFjaGluZQpu ZXZlciBzdWNjZWVkcyBhZnRlciByZWJvb3QuIChCeSB0aGUgd2F5LCBjb250cmFyeSB0byBteSBl eHBlY3RhdGlvbiwKdGhpcyAxMC4wLVNUQUJMRSBpbWFnZSBydW5zIGEgY3VycmVudCBrZXJuZWwg MTEuMC1DVVJSRU5ULCByMjYyMzM2LikKCkl0IGlzIHJlbGV2YW50IHRvIHJlY2FsbCB0aGUga2Vy bmVsIG1lc3NhZ2VzIGNvbnRhaW5lZCBpbiB0aGUgcHJldmlvdXNseQptZXNzYWdlcyB0byB0aGlz IFBSOgoKICBtbWNzZDA6IDhHQiA8U0RIQyBOQ2FyZCAxLjAgU04gMTA3NTgzOTM4NCBNRkcgMDUv MjAxMyBieSAxMzAgSlQ+CiAgICBhdCBtbWMwIDUwLjBNSHovNGJpdC82NTUzNS1ibG9jawoKICBt bWNzZDA6IDE2R0IgPFNESEMgU0QxNkcgMy4wIFNOIDEyMTMyMTk1NTcgTUZHIDAyLzIwMTMgYnkg MTMwIEpUPgogICAgYXQgbW1jMCA1MC4wTUh6LzRiaXQvNjU1MzUtYmxvY2sKClNpbWlsYXJseSwg bXkgY2FyZCwgYSBLaW5nc3RvbiBTREhDIDhHQiwgY2xhc3MgU0Q0LCBtb2RlbCBTRC1LMDhHLApn ZW5lcmF0ZXMgdGhlIGZvbGxvd2luZyBtZXNzYWdlIHdoZW4gdGhlIHJvb3QgbW91bnQgZmFpbHM6 CgogIG1tY3NkMDogOEdCIDxTREhDIFNBMDhHIDEuMSBTTiAxMTI0MTE1NTgyIE1GRyAwNy8yMDEz IGJ5IDIgVE0+CiAgICBhdCBtbWMwIDUwLjBNSHovNGJpdC82NTUzNS1ibG9jawoKSW4gY29udHJh c3QsIHRoZSBtZXNzYWdlIG9uIHN1Y2Nlc3NmdWwgYm9vdCBpcyB0aGlzOgoKICBtbWNzZDA6IDhH QiA8U0RIQyBTQTA4RyAxLjEgU04gMTEyNDExNTU4MiBNRkcgMDcvMjAxMyBieSAyIFRNPgogICAg YXQgbW1jMCAyNS4wTUh6LzRiaXQvNjU1MzUtYmxvY2sKClRoZSBkaWZmZXJlbmNlIGlzIG1pbnV0 ZTogMjUuME1IeiBpbnN0ZWFkIG9mIDUwLk1IeiEKCkkgaW50ZXJwcmV0IHRoaXMgaW4gdGhlIHdh eSB0aGF0IHRoZSBjYXJkIGlzIGZ1bmN0aW9uYWwsIGFzIGxvbmcKYXMgdGhlIGRyaXZlciBtbWNz ZCg0KSBzZWVzIGEgcmVhc29uIHRvIGFzc2lnbiB0aGUgU0QgZGVmYXVsdApzcGVlZCwgaS5lLiwg MjUuME1Ieiwgd2hpbGUgdGhlIGNhcmQgc2VlbWluZ2x5IGZhaWxzIGZyZXF1ZW50bHksCnNob3Vs ZCB0aGUgZHJpdmVyIHJlcXVlc3QgdGhlIG5leHQgcmF0ZSA1MC4wTUh6LiBQcm9iYWJseSB0aGUK aXNzdWUgY291bGQgYmUgcmVzb2x2ZWQgYnkgcmVmaW5pbmcgdGhlIGRldGVjdGlvbiBhbGdvcml0 aG0KZm9yIGNhbGN1bGF0aW5nIGNsb2NrIGZyZXF1ZW5jeS4K --f46d043bdf9ce8e17504f4202ca5--
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