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[Bug 258446] Re: 197b:2381 JMicron internal card reader recognizes SD only when inserted at startup

 

I frankly didn't feel like testing this again with every new Ubuntu
release like I did in the first years (!) after I first posted this bug
without any evidence about upstream changes that might have actually
solved this issue. However, the upstream bug report linked from this one
suggests that kernel 3.12 and later might contain an actual fix for this
bug -- that would include Ubuntu 14.04 LTS "Trusty" which is going to
include 3.13 (or even 3.14). If someone else affected by this bug and
subscribed to this bug report could test it under Trusty because they're
already running the development version/Beta, please report here if it's
fixed there. (Otherwise, I'm going to upgrade to Trusty shortly after
its release and report here if it works for me then.)

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https://bugs.launchpad.net/bugs/258446

Title:
  197b:2381 JMicron internal card reader recognizes SD only when
  inserted at startup

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  My Acer Aspire 5930G has an internal 5-in-1 card reader. Testing with
  an SD card (no alternative media available), the reader is only listed
  by lspci if the SD card is present in the reader at boot time. Boot
  time dmesg attached.

  Now if an SD card was present at boot time, I can remove the SD, and
  dmesg will report

  [  164.613053] mmc0: card db81 removed

  If I reinsert it, dmesg will say

  [  179.271670] mmc0: new SD card at address db81
  [  179.276522] mmcblk0: mmc0:db81 SD512 500224KiB 
  [  179.276522]  mmcblk0: p1

  and gnome will display an SD drive icon on my desktop and ask if any
  files should be imported.

  But nothing of all that happens if the SD card was not already in the
  card reader at boot time!

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