[Bug 362457] Re: Jaunty 64-bit - sis900 ethernet adapter speed is very slow

[Flittermice]

I experience(d) a very similar problem here with Xubuntu 10.04 "Lucid
Lynx", 32-bit, Kernel 2.6.32-25, SIS 900 chipset in an Asus A2500D
notebook, and therefore I landed here:

The network connection was very slow: Maximum downstream of 40 kByte/s. 
Not only "internet", but as well internal traffic was affected. 
I was not even able to do 2 ssh connections to this machine at the same time.
The boot options "acpi=off", "nolapic" and "noapic" did not make anything better.

I finally solved the issue by adding "irqpoll" to the boot parameters.

/etc/default/grub:
...
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash irqpoll"
...

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Jaunty 64-bit - sis900 ethernet adapter speed is very slow
https://bugs.launchpad.net/bugs/362457
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