[Bug 334549] Re: Bluetooth mouse lag with heavy wifi traffic on Samsung NC10

[Rykel from Singapore]

I am using Ubuntu 12.10 fully updated on Dual Boot with Windows 7 Home
Edition on a ASUS 1215B and a Prolink Bluetooth Mouse PMO624B and the
mouse lag is intolerable. It does NOT lag in Windows 7 and the touchpad
has no problem. Please help!

$lsusb
Bus 002 Device 002: ID 13d3:5702 IMC Networks UVC VGA Webcam
Bus 003 Device 002: ID 13d3:3315 IMC Networks Bluetooth module
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 006 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub

$ cat /proc/interrupts
           CPU0       CPU1       
  0:         47          0   IO-APIC-edge      timer
  1:       1558       1933   IO-APIC-edge      i8042
  7:          1          0   IO-APIC-edge    
  8:          0          1   IO-APIC-edge      rtc0
  9:       1493        317   IO-APIC-fasteoi   acpi
 12:     103078       1473   IO-APIC-edge      i8042
 16:     172765      27932   IO-APIC-fasteoi   brcmsmac, snd_hda_intel
 17:         54         23   IO-APIC-fasteoi   ehci_hcd:usb1, ehci_hcd:usb2, eth0
 18:     186031      49860   IO-APIC-fasteoi   ohci_hcd:usb3, ohci_hcd:usb4, radeon, xhci_hcd:usb5
 19:      28046      27112   IO-APIC-fasteoi   ahci, snd_hda_intel
NMI:         18        112   Non-maskable interrupts
LOC:     843205     837007   Local timer interrupts
SPU:          0          0   Spurious interrupts
PMI:         18        112   Performance monitoring interrupts
IWI:          0          0   IRQ work interrupts
RTR:          0          0   APIC ICR read retries
RES:    1074454     991686   Rescheduling interrupts
CAL:      27239        348   Function call interrupts
TLB:      49390      64516   TLB shootdowns
TRM:          0          0   Thermal event interrupts
THR:          0          0   Threshold APIC interrupts
MCE:          0          0   Machine check exceptions
MCP:         13         12   Machine check polls
ERR:          1
MIS:          0

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https://bugs.launchpad.net/bugs/334549

Title:
  Bluetooth mouse lag with heavy wifi traffic on Samsung NC10

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