Re: [Xen-devel] tg3 network stall in xen-3.4.x but not in xen-3.3.x

[Teck Choon Giam <giamteckchoon@xxxxxxxxx>]

Hi Keir,

> Power management is another difference between 3.3 and 3.4. You can disable
> 3.4 power management by adding Xen boot parameters: cpuidle=0 cpufreq=none

In xen-3.3.x I got:

# xenpm get-cpuidle-states
Xen cpuidle is not enabled!
Xen cpufreq is not enabled!

In xen-3.4.x I got:

# xenpm get-cpuidle-states
Max C-state: C1

cpu id               : 0
total C-states       : 2
idle time(ms)        : 131588676
C0                   : transition [00000000000019346170]
                       residency  [00000000000003897999 ms]
C1                   : transition [00000000000019346170]
                       residency  [00000000000131507268 ms]

cpu id               : 1
total C-states       : 2
idle time(ms)        : 131696919
C0                   : transition [00000000000012247741]
                       residency  [00000000000003766854 ms]
C1                   : transition [00000000000012247741]
                       residency  [00000000000131638414 ms]

cpu id               : 2
total C-states       : 2
idle time(ms)        : 131540647
C0                   : transition [00000000000013405442]
                       residency  [00000000000003922680 ms]
C1                   : transition [00000000000013405442]
                       residency  [00000000000131482588 ms]

cpu id               : 3
total C-states       : 2
idle time(ms)        : 131527968
C0                   : transition [00000000000031194790]
                       residency  [00000000000004030618 ms]
C1                   : transition [00000000000031194790]
                       residency  [00000000000131374650 ms]

I will disable and run the test tomorrow to see whether network stall
issue is there or not.

Thanks.

Kindest regards,
Giam Teck Choon

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