I've updated the BIOS to version A08
tud254222 ~$ sudo dmidecode -s bios-version && sudo dmidecode -s
bios-release-date
A08
10/19/2015
... but it does not address the issue: The SD card still cannot be found, even
after taking it out and re-inserting.
Same messages in dmesg as previously noted:
tud254222 ~$ dmesg | grep mmc0
[ 0.920781] mmc0: Unknown controller version (3). You may experience
problems.
[ 0.928195] mmc0: SDHCI controller on PCI [0000:01:00.0] using ADMA
[ 1.183928] mmc0: tuning execution failed
[ 1.183932] mmc0: error -5 whilst initialising SD card
[ 1.452122] mmc0: tuning execution failed
[ 1.452126] mmc0: error -5 whilst initialising SD card
[ 1.728307] mmc0: tuning execution failed
[ 1.728310] mmc0: error -5 whilst initialising SD card
[ 2.024476] mmc0: tuning execution failed
[ 2.024480] mmc0: error -5 whilst initialising SD card
[ 81.325296] mmc0: tuning execution failed
[ 81.325300] mmc0: error -5 whilst initialising SD card
[ 81.637547] mmc0: tuning execution failed
[ 81.637551] mmc0: error -5 whilst initialising SD card
[ 81.961674] mmc0: tuning execution failed
[ 81.961679] mmc0: error -5 whilst initialising SD card
I've retested with the same kernels as in post #4, no change in
behaviour of the SD card.
** 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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