Comment # 5 on bug 1179971 from Takashi Iwai

(In reply to S. B. from comment #4)
> As for power management tweaks, I also suspected that could be a factor, as
> I use TLP which includes pretty aggressive power management tweaks across
> the board. Would you recommend anything in particular? I've seen
> recommendations for:
> > options iwlwifi 11n_disable=1 swcrypto=0 power_save=0 #also: 11n_disable=8
> > options iwlmvm power_scheme=1 
> > options iwlwifi uapsd_disable=1 
>
> As well as:
> > options iwlwifi swcrypto=0 
> > options iwlwifi power_save=0
> > options iwlmvm power_scheme=1 
> > options iwlwifi uapsd_disable=1
> 
> Or simply:
> > options iwlwifi power_save=0
> 
> I'm not sure about the 11n_disable option codes or if that has anything to
> do with this?

Honestly speaking, I have no idea what really matters.  I would try the bottom
line first, i.e. disable all suspicious ones.

> There are indeed quite a few reports of this on bugzilla.kernel.org, should
> I add on to an existing report or open a new one?
> - https://bugzilla.kernel.org/show_bug.cgi?id=207409
> - https://bugzilla.kernel.org/show_bug.cgi?id=205387
> - https://bugzilla.kernel.org/show_bug.cgi?id=208425

It's fine to create a new report unless you find the exactly same bug with the
same hardware (Lenovo T530).  You can join to other bugs meanwhile, and close
yours later as a duplicate.