Public bug reported:
Dear Sir,
I could not find any solution, therefore I am writing to you, might get some
hint how to resolve the following issue:
system:
lenovo legion y520 memory card reader issue up to ubuntu desktop (64bit) 17.04.
hardware:
02:00.0 SD Host controller: O2 Micro, Inc. Device 8621 (rev 01)
dmesg:
[ 426.731679] sdhci: Timeout waiting for Buffer Read Ready interrupt during
tuning procedure, falling back to fixed sampling clock
[ 426.733376] mmc0: tuning execution failed
[ 426.733385] mmc0: error -5 whilst initialising SD card
Issue: hardware not recognized
Kind Regards
Attila Kovacs
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: cardreader lenovo o2 sd y520
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https://bugs.launchpad.net/bugs/1720620
Title:
o2 micro sd card reader unrecognised lenovo y520
Status in linux package in Ubuntu:
New
Bug description:
Dear Sir,
I could not find any solution, therefore I am writing to you, might get some
hint how to resolve the following issue:
system:
lenovo legion y520 memory card reader issue up to ubuntu desktop (64bit)
17.04.
hardware:
02:00.0 SD Host controller: O2 Micro, Inc. Device 8621 (rev 01)
dmesg:
[ 426.731679] sdhci: Timeout waiting for Buffer Read Ready interrupt during
tuning procedure, falling back to fixed sampling clock
[ 426.733376] mmc0: tuning execution failed
[ 426.733385] mmc0: error -5 whilst initialising SD card
Issue: hardware not recognized
Kind Regards
Attila Kovacs
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