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SubjectRe: rtl8192se: ping router gives mdev of 25387.102???
On 09/13/2012 05:18 AM, Norbert Preining wrote:
> Hi everyone,
>
> (please cc)
>
> see $subject ...
>
> No warning, nothing in the logs, but pinging my router I get
> things like:
> --- 192.168.0.1 ping statistics ---
> 376 packets transmitted, 315 received, +33 errors, 16% packet loss, time 405164ms
> rtt min/avg/max/mdev = 0.873/10077.793/95935.698/25387.102 ms, pipe 68
>
> or
> --- 192.168.0.1 ping statistics ---
> 1252 packets transmitted, 1225 received, 2% packet loss, time 1252976ms
> rtt min/avg/max/mdev = 0.941/764.171/19929.265/2758.225 ms, pipe 20
>
>
> Has anyone *ever* seen a mdev of 25387.102 ms ???
>
> At the same time I am pinging the same router from an iphone with a
> steady stream of 40ms or so, no problem whatsoever ...
>
> $ lspci -v -s 03:00.0
> 03:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8191SEvB Wireless LAN Controller (rev 10)
> Subsystem: Realtek Semiconductor Co., Ltd. Device e020
> Flags: bus master, fast devsel, latency 0, IRQ 17
> I/O ports at 2000 [size=256]
> Memory at f0500000 (32-bit, non-prefetchable) [size=16K]
> Capabilities: [40] Power Management version 3
> Capabilities: [50] MSI: Enable- Count=1/1 Maskable- 64bit+
> Capabilities: [70] Express Legacy Endpoint, MSI 00
> Capabilities: [100] Advanced Error Reporting
> Capabilities: [140] Virtual Channel
> Capabilities: [160] Device Serial Number 88-55-22-fe-ff-4c-e0-00
> Kernel driver in use: rtl8192se

When you post the output of lspci, always include the -nn or -nnv switches. That
way, we get the PCI ID. As there are several varieties of the RTL8192SE, I need
that info. In addition, what are the details of your AP - STA configuration.
What is the distance? Is it 802.11n or 802.11g? What is the signal strength as
indicated by iwconfig or a scan?

Larry



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