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[trombetta danielle <danielle.trombetta@xxxxxxxxx>]

Public bug reported:

hi
after a uefi single boot install of xubuntu 15.04 on a hp 15 r248nf, I have noticed several warning in dmesg, and wifi stop to work ramdomly. None of the known fix (disable pm for wireless, change kernel module options, disable bluetooth, get last wifi_new driver) has work so far. Wifi works out of the box, then stop with no message. disconnect-connect again and it works perfectly for 5 more min!

here are some significant dmesg warning


[    1.833114] r8169 Gigabit Ethernet driver 2.3LK-NAPI loaded
[    1.833134] r8169 0000:04:00.0: can't disable ASPM; OS doesn't have ASPM control


[    1.990773] usb 1-3: new high-speed USB device number 2 using xhci_hcd
[    2.119481] usb 1-3: New USB device found, idVendor=1a40, idProduct=0101
[    2.119488] usb 1-3: New USB device strings: Mfr=0, Product=1, SerialNumber=0
[    2.119492] usb 1-3: Product: USB 2.0 Hub
[    2.120597] hub 1-3:1.0: USB hub found
[    2.120630] hub 1-3:1.0: 4 ports detected
[    2.120940] usb: failed to peer 1-3-port2 and usb2-port1 by location (1-3-port2:none) (usb2-port1:usb1-port1)
[    2.120944] usb 1-3-port2: failed to peer to usb2-port1 (-16)
[    2.120946] usb: port power management may be unreliable


after suspend/resume, I have a lot of those : 

[ 2650.032170] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment
and
[ 2650.032294] pcieport 0000:00:1c.0: BAR 14: no space for [mem size 0x00200000]
[ 2650.032312] pcieport 0000:00:1c.0: BAR 14: failed to assign [mem size 0x00200000]
[ 2650.032353] pcieport 0000:00:1c.0: BAR 15: no space for [mem size 0x00200000 64bit pref]
and 
[ 2653.779718] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff880076bba490


lspci gives : 
02:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8723BE PCIe Wireless Network Adapter
03:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5229 PCI Express Card Reader (rev 01)
04:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 07)

I don't use mmc card or ethernet so I don't know if they are affected
too.


kernel is 3.19.0-30-generic

let me know which info are need.

** Affects: bcmwl (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: pcie rtl8723be

** Attachment added: "dmesg"
   https://bugs.launchpad.net/bugs/1507919/+attachment/4500865/+files/dmesg.txt

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https://bugs.launchpad.net/bugs/1507919

Title:
  power issue with rtl8723be and pcie

Status in bcmwl package in Ubuntu:
  New

Bug description:
  hi
  after a uefi single boot install of xubuntu 15.04 on a hp 15 r248nf, I have noticed several warning in dmesg, and wifi stop to work ramdomly. None of the known fix (disable pm for wireless, change kernel module options, disable bluetooth, get last wifi_new driver) has work so far. Wifi works out of the box, then stop with no message. disconnect-connect again and it works perfectly for 5 more min!

  here are some significant dmesg warning

  
  [    1.833114] r8169 Gigabit Ethernet driver 2.3LK-NAPI loaded
  [    1.833134] r8169 0000:04:00.0: can't disable ASPM; OS doesn't have ASPM control

  
  [    1.990773] usb 1-3: new high-speed USB device number 2 using xhci_hcd
  [    2.119481] usb 1-3: New USB device found, idVendor=1a40, idProduct=0101
  [    2.119488] usb 1-3: New USB device strings: Mfr=0, Product=1, SerialNumber=0
  [    2.119492] usb 1-3: Product: USB 2.0 Hub
  [    2.120597] hub 1-3:1.0: USB hub found
  [    2.120630] hub 1-3:1.0: 4 ports detected
  [    2.120940] usb: failed to peer 1-3-port2 and usb2-port1 by location (1-3-port2:none) (usb2-port1:usb1-port1)
  [    2.120944] usb 1-3-port2: failed to peer to usb2-port1 (-16)
  [    2.120946] usb: port power management may be unreliable

  
  after suspend/resume, I have a lot of those : 

  [ 2650.032170] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment
  and
  [ 2650.032294] pcieport 0000:00:1c.0: BAR 14: no space for [mem size 0x00200000]
  [ 2650.032312] pcieport 0000:00:1c.0: BAR 14: failed to assign [mem size 0x00200000]
  [ 2650.032353] pcieport 0000:00:1c.0: BAR 15: no space for [mem size 0x00200000 64bit pref]
  and 
  [ 2653.779718] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff880076bba490


  
  lspci gives : 
  02:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8723BE PCIe Wireless Network Adapter
  03:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5229 PCI Express Card Reader (rev 01)
  04:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 07)

  I don't use mmc card or ethernet so I don't know if they are affected
  too.

  
  kernel is 3.19.0-30-generic

  let me know which info are need.

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