[Bugme-new] [Bug 13434] New: SD reader does not read MMC cards on Thinkpad T400
bugzilla-daemon at bugzilla.kernel.org
bugzilla-daemon at bugzilla.kernel.org
Wed Jun 3 03:25:46 PDT 2009
http://bugzilla.kernel.org/show_bug.cgi?id=13434
Summary: SD reader does not read MMC cards on Thinkpad T400
Product: Drivers
Version: 2.5
Kernel Version: 2.6.30-rc7
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: MMC/SD
AssignedTo: drivers_mmc-sd at kernel-bugs.osdl.org
ReportedBy: dottedmag at dottedmag.net
Regression: No
Created an attachment (id=21727)
--> (http://bugzilla.kernel.org/attachment.cgi?id=21727)
lspci -vvvnnn
Hardware: Thinkpad T400, internal cardreader (Ricoh R5C832/R5C822/R5C843)
Distro: Debian testing/unstable/experimental.
lsmod, lspci & dmesg: in attachments.
Card reader of T400 does not detect MMC cards with the following message in
dmesg:
[ 80.914656] mmc0: error -110 whilst initialising MMC card
Sometimes this message does not appear at all, and card is not detected too.
I've figured out that MMC cards are served by the SD controller, and it is
activated by the mmc_block module, which is loaded.
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