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kb:linux:14lts-bcm57765-bmc57785 [2015/12/11 21:16]
Allen Smith + References
kb:linux:14lts-bcm57765-bmc57785 [2016/01/14 01:35]
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-====== Ubuntu 14.04LTS: Broadcom BCM57765/​57785 SDXC/MMC Card Reader ====== 
-For any Linux system using the BCM57765/​57785 SDXC/MMC reader, do the following to fix mounting & reading SD cards: 
- 
-  - Add a comand to ''​%%/​etc/​rc.local%%'':<​code>​ 
-sudo nano /​etc/​rc.local ​    # add the following line above "exit 0" 
-</​code><​file>​ 
-setpci -s 00:1c.2 0x50.B=0x41 
-</​file>​ 
-  - Add the same comand to ''​%%/​etc/​apm/​resume.d/​21aspm%%''​ (which does not exist yet):<​code>​ 
-sudo nano /​etc/​apm/​resume.d/​21aspm 
-</​code><​file>​ 
-setpci -s 00:1c.2 0x50.B=0x41 
-</​file>​ 
-  - Add a line to ''​%%/​etc/​modprobe.d/​sdhci%%''​ (which may not exist yet):<​code>​ 
-sudo nano /​etc/​modprobe.d/​sdhci ​    # add the following to this file 
-</​code><​file>​ 
-# For BCM57765/​57785 SDXC/MMC reader 
-options sdhci debug_quirks2=4 
-</​file>​ 
-  - run the follwing command to regenerate initrd:<​code>​ 
-sudo update-initramfs -u -k all 
-</​code>​ 
-  - RESTART SYSTEM 
- 
-**References:​** 
-  * https://​bugs.launchpad.net/​ubuntu/​+source/​linux/​+bug/​1307674 
-    * follow the 3-step "​WORKAROUND:"​ at the top of that page. 
-  * https://​bugs.launchpad.net/​ubuntu/​+source/​linux/​+bug/​1178131 
-    * edit the 2 files per comment #46