Hi,

I am also getting poor X11 performance so I thought I would share my results;

edward at opensolaris0805:~$ pfexec su -
Sun Microsystems Inc.   SunOS 5.11      snv_93  January 2008
-bash-3.2# echo "::prtusb" | mdb -k
INDEX   DRIVER      INST  NODE            VID.PID     PRODUCT
1       ehci        1     pci1458,5006    0000.0000   No Product String
2       uhci        4     pci1458,5004    0000.0000   No Product String
3       uhci        5     pci1458,5004    0000.0000   No Product String
4       uhci        6     pci1458,5004    0000.0000   No Product String
5       uhci        7     pci1458,5004    0000.0000   No Product String
6       usb_mid     3     device          04f2.0111   USB Keyboard
7       hid         10    mouse           1532.0002
Razer Diamondback Optical Mouse
-bash-3.2# intrstat 5

      device |      cpu0 %tim      cpu1 %tim
-------------+------------------------------
       ata#0 |         0  0.0         0  0.0
      ehci#1 |         0  0.0         4  0.0
   hdaudio#0 |       494  1.7         0  0.0
      i915#0 |       494  0.1         0  0.0
   pci-ide#1 |         6  0.0         0  0.0
  pcie_pci#0 |       494  0.0         0  0.0
       rge#0 |         0  0.0         0  0.0
      uhci#4 |         0  0.0         4  0.0
      uhci#5 |         3  0.0         0  0.0
      uhci#6 |        25  0.1         0  0.0
      uhci#7 |       494  0.1         0  0.0

      device |      cpu0 %tim      cpu1 %tim
-------------+------------------------------
       ata#0 |         0  0.0         0  0.0
      ehci#1 |         0  0.0         4  0.0
   hdaudio#0 |       494  1.5         0  0.0
      i915#0 |       494  0.1         0  0.0
   pci-ide#1 |        63  0.0         0  0.0
  pcie_pci#0 |       494  0.0         0  0.0
       rge#0 |         0  0.0         0  0.0
      uhci#4 |         0  0.0         4  0.0
      uhci#5 |        31  0.0         0  0.0
      uhci#6 |        94  0.3         0  0.0
      uhci#7 |       494  0.1         0  0.0

      device |      cpu0 %tim      cpu1 %tim
-------------+------------------------------
       ata#0 |         0  0.0         0  0.0
      ehci#1 |         0  0.0         3  0.0
   hdaudio#0 |       493  1.5         0  0.0
      i915#0 |       493  0.1         0  0.0
   pci-ide#1 |         3  0.0         0  0.0
  pcie_pci#0 |       493  0.0         0  0.0
       rge#0 |         0  0.0         0  0.0
      uhci#4 |         0  0.0         3  0.0
      uhci#5 |         1  0.0         0  0.0
      uhci#6 |       119  0.4         0  0.0
      uhci#7 |       493  0.1         0  0.0
^C
-bash-3.2# uname -v
snv_93

Regards,

2008/7/31 Chris Ridd <chrisridd at mac.com>:
>
> On 30 Jul 2008, at 23:02, John Martin wrote:
>
>> Chris Ridd wrote:
>>> It (a Dell Precision 470) appears to just have a single switch to
>>> disable "the" USB controller. My kbd and mouse are both USB (looks
>>> like they're on uhci#2), so disabling USB entirely would make the
>>> machine hard to use :-)
>>>
>>>
>> Can you do:
>>
>> # echo "::prtusb" | mdb -k
>>
>> It may be there is a device connected to uhci#2 for which the
>> interrupt
>> gets stuck.
>
> Currently (no interrupt storm) it prints
>
> INDEX   DRIVER      INST  NODE            VID.PID     PRODUCT
> 1       ehci        0     pci1028,169     0000.0000   No Product String
> 2       uhci        0     pci1028,169     0000.0000   No Product String
> 3       uhci        1     pci1028,169     0000.0000   No Product String
> 4       uhci        2     pci1028,169     0000.0000   No Product String
> 5       uhci        3     pci1028,169     0000.0000   No Product String
> 6       hid         0     mouse           046d.c016   Optical USB Mouse
> 7       hid         1     keyboard        413c.2003   Dell USB Keyboard
>
> I don't think anything's ever recently connected to uhci#2, but I'll
> have to work out exactly which ports that owns. Experimenting
> yesterday showed that ehci owns the ports on the front of the box.
>
> Cheers,
>
> Chris
> _______________________________________________
> xwin-discuss mailing list
> xwin-discuss at opensolaris.org
>



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