https://bugzilla.kernel.org/show_bug.cgi?id=201941
Bug ID: 201941
Summary: Errors with SanDisk and Samsung 64GB micro SD cards on
ThinkPad E485
Product: IO/Storage
Version: 2.5
Kernel Version: 4.19.4
Hardware: x86-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: SCSI
Assignee: linux-scsi@vger.kernel.org
Reporter: alexander.reim...@pm.me
Regression: No
Created attachment 279909
--> https://bugzilla.kernel.org/attachment.cgi?id=279909&action=edit
dmesg -l err | grep mmc
The kernel detects the card and I can see it with lsblk but I can't read or
write to it. The cards works under Windows (not tested on this pc) and on my
Android phone with kernel 3.10.108. I have an other old 2GB card that works on
my Thinkpad E485 without any issues with linux. Seems to be a issue with the
card reader (D Host controller: O2 Micro, Inc. SD/MMC Card Reader Controller
(rev 01)).
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