Subject: Re: r8168 is needed to enter P-state: Package State 6 (pc6) on Haswell hardware

From: Ceriel Jacobs <[email-masked]>
Date: Mon, 06 Oct 2014 00:22:29 +0200

This is the requested "XID" dmesg line is:

[    1.479298] r8169 0000:03:00.0 eth0: RTL8168g/8111g at 
0xffffc90004752000, d0:50:99:0b:09:90, XID 0c000800 IRQ 27

Francois Romieu schreef op 05-10-14 om 18:59:
> Ceriel Jacobs <[email-masked]> :
>> With in-kernel r8169 module, only P-state package C3 (pc3) can be reached
>> when enabling ASPM.
>>
>> Only after installing r8168 driver (and enabling ASPM), a Haswell Celeron
>> G1820/G1840 processer will enter package C6 state (pc6).
>
> Vanilla kernel r8169 driver logs a message that contains an "XID" string.
> Please grep for it in your dmesg so that I can narrow the search for
> meaningful differences in Realtek's r8168 driver.
>
> Thanks.
>