1) tud254222 ~$ sudo dmidecode -s bios-version && sudo dmidecode -s
bios-release-date
A09
11/18/2015
2) I tested it against 4.4.0 and 4.4.0_rc8 since the latter is more recent
4.4.0:
[ 84.138626] sdhci: Timeout waiting for Buffer Read Ready interrupt during
tuning procedure, falling back to fixed sampling clock
[ 84.140408] mmc0: tuning execution failed
[ 84.140413] mmc0: error -5 whilst initialising SD card
tud254222 ~$ uname -a
Linux tud254222 4.4.0-040400-generic #201601101930 SMP Mon Jan 11 00:32:41 UTC
2016 x86_64 x86_64 x86_64 GNU/Linux
4.4.0_rc8:
[ 93.507938] sdhci: Timeout waiting for Buffer Read Ready interrupt during
tuning procedure, falling back to fixed sampling clock
[ 93.509711] mmc0: tuning execution failed
[ 93.509716] mmc0: error -5 whilst initialising SD card
tud254222 ~$ uname -a
Linux tud254222 4.4.0-040400rc8-generic #201601130531 SMP Wed Jan 13 10:33:09
UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1514821
Title:
SD card reader on Dell E7250 doesn't work in Ubuntu 15.10
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