Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.14 kernel[0].
If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'. If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'. Once testing of the upstream kernel is complete, please mark this bug as "Confirmed". Thanks in advance. [0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.14-rc3 ** Changed in: linux (Ubuntu) Importance: Undecided => Medium ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1720620 Title: o2 micro sd card reader unrecognised lenovo y520 Status in linux package in Ubuntu: Incomplete 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 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1720620/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
