[Bugme-new] [Bug 10925] New: Memory reader not working with kernel >2.6.24 but works with kernel 2.6.23 and 2.6.22!

bugme-daemon at bugzilla.kernel.org bugme-daemon at bugzilla.kernel.org
Mon Jun 16 01:58:48 PDT 2008


http://bugzilla.kernel.org/show_bug.cgi?id=10925

           Summary: Memory reader not working with kernel >2.6.24 but works
                    with kernel 2.6.23 and 2.6.22!
           Product: Drivers
           Version: 2.5
     KernelVersion: >= 2.6.24
          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: ali.slackware at gmail.com


Latest working kernel version:
------------------------------
My memory stick reader used to work with kernel version 2.6.22.x and 2.6.23.x,
but not with 2.6.20.x ( not tested with 2.6.21.x) .

Earliest failing kernel version:
--------------------------------
>=2.6.24

Distribution:
-------------
Slackware 12.1, and Ubuntu 8.04

Hardware Environment:
----------------------
06:00.0 FLASH memory: ENE Technology Inc ENE PCI Memory Stick Card Reader
Controller
06:00.1 SD Host controller: ENE Technology Inc ENE PCI SmartMedia / xD Card
Reader Controller
06:00.2 FLASH memory: ENE Technology Inc Unknown device 0720
06:00.3 FLASH memory: ENE Technology Inc ENE PCI Secure Digital / MMC Card
Reader Controller

Software Environment:

Problem Description:
when inserting a memory card in the reader, nothing comes from
/var/log/messages but dmesg shows 
mmc1: unrecognised SCR structure version 1
mmc1: error -22 whilst initialising SD card

searching over the net i didn't find anything useful, but it seems this SCR
checking is only implemented in sd.c source with kernel version >=2.6.24, the
card works perfectly with 2.6.23.x and with 2.6.22.x


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