The linked github repository doesn't break out whatever the fix is to the rtsx_pci driver is. Therefore it is all but impossible to figure out what was changed.
Another user reported this today with 5.0.0-27-generic where 64GB cards are readable but 256GB cards are not. It isn't clear if the power- signalling errors are critical or incidental: Sep 15 11:55:59 kubuntu-laptop kernel: mmc0: cannot verify signal voltage switch Sep 15 11:56:00 kubuntu-laptop kernel: mmc0: new ultra high speed SDR104 SDXC card at address 0001 Sep 15 11:56:00 kubuntu-laptop kernel: mmcblk0: mmc0:0001 GC2QT 59.6 GiB Sep 15 11:56:00 kubuntu-laptop kernel: mmcblk0: p1 Sep 15 11:57:06 kubuntu-laptop kernel: mmc0: card 0001 removed Sep 15 11:57:14 kubuntu-laptop kernel: mmc0: cannot verify signal voltage switch Sep 15 11:57:14 kubuntu-laptop kernel: mmc0: tuning execution failed: -22 Sep 15 11:57:14 kubuntu-laptop kernel: mmc0: error -22 whilst initialising SD card Sep 15 11:57:15 kubuntu-laptop kernel: mmc0: error -110 whilst initialising SD card Sep 15 11:57:17 kubuntu-laptop kernel: mmc0: cannot verify signal voltage switch Sep 15 11:57:17 kubuntu-laptop kernel: mmc0: tuning execution failed: -22 Sep 15 11:57:17 kubuntu-laptop kernel: mmc0: error -22 whilst initialising SD card Sep 15 11:58:08 kubuntu-laptop kernel: mmc0: cannot verify signal voltage switch Sep 15 11:58:08 kubuntu-laptop kernel: mmc0: new ultra high speed SDR104 SDXC card at address 0001 Sep 15 11:58:08 kubuntu-laptop kernel: mmcblk0: mmc0:0001 GC2QT 59.6 GiB Sep 15 11:58:08 kubuntu-laptop kernel: mmcblk0: p1 Sep 15 11:58:46 kubuntu-laptop kernel: mmc0: card 0001 removed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1735099 Title: Realtek Card Reader not working (kernel driver) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1735099/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
