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[Bug 1320070] Re: Realtek Wifi card RTL8723BE drops connection with MSI enabled

 

This bug only fixed one issue, also it needs a kernel parameter. Please
check the "Bug Description" and report new bugs if you want.

It makes nonsense to reopen this one, because it's a MSI compatibility
issue, and all we could do it providing a switching parameter.

** Description changed:

  As my testing result with ThinkPad E540 and other users' report[1],
  RTL8723BE drops connection with MSI enabled, need to backport
  329d6e299f92a591acb3a80f6d597a5f9dce7e6d "rtlwifi: rtl8723be: disable
  MSI interrupts mode"
  
  [1] https://bugs.launchpad.net/bugs/1240940
+ 
+ Tips for RTL8188EE [10ec:8179] and RTL8723BE [10ec:b723] users: those
+ hardware modules have MSI compatibility issue, on some certain platforms
+ they work fine with MSI but break connections without MSI, on some other
+ certain platforms it's opposite. You could try to toggle its module
+ parameter "msi"
+ 
+ https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1296591

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https://bugs.launchpad.net/bugs/1320070

Title:
  Realtek Wifi card RTL8723BE drops connection with MSI enabled

Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Trusty:
  Fix Released
Status in linux source package in Utopic:
  Fix Released

Bug description:
  As my testing result with ThinkPad E540 and other users' report[1],
  RTL8723BE drops connection with MSI enabled, need to backport
  329d6e299f92a591acb3a80f6d597a5f9dce7e6d "rtlwifi: rtl8723be: disable
  MSI interrupts mode"

  [1] https://bugs.launchpad.net/bugs/1240940

  Tips for RTL8188EE [10ec:8179] and RTL8723BE [10ec:b723] users: those
  hardware modules have MSI compatibility issue, on some certain
  platforms they work fine with MSI but break connections without MSI,
  on some other certain platforms it's opposite. You could try to toggle
  its module parameter "msi"

  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1296591

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References