On 02/24/2014 06:19 AM, Stephen Kent wrote: > On Sun, Feb 23, 2014 at 8:04 PM, Emmanuel Grumbach <egrumbach@xxxxxxxxx> wrote: >> >> >>>>> >>>> >>>> Could you please try to reproduce with power save disabled? >>>> >>>> options iwlmvm power_scheme=1 >>>> >>>> Thanks. >>> >>> >>> Huh, interesting. When I set that option the problem seems to go away. >>> I flipped back and forth between power_scheme=1 and power_scheme=2 in >>> iwlmvm (modinfo says 2 is the default), and the problem didn't >>> reproduce when power_scheme=1. I assume my battery life will suffer if >>> I permanently set power_scheme=1? :-) >>> >>> Should I take a new trace or gather any other information? >> >> Not needed >> >>> >>> I won't be my computer all day but I'll be able to respond / collect >>> any needed info intermittently. >>> >> >> I guess the best would be to upgrade to 3.13.5 with new firmware... Or to stay with power_scheme=1 in the meantime. >> >> >>> Thanks, >>> >>> Stephen >>> > > > OK. Was this a bug that was identified and fixed between 3.11 and > 3.13.5? I looked briefly at the kernel git log messages at > https://github.com/torvalds/linux/commits/master/drivers/net/wireless/iwlwifi/mvm > but I am completely unfamiliar with this code. No - I can't think about any patch that could fix your issue. But 3.13 supports a newer firmware in which the power save code has been rewritten. > > Until I upgrade, I'll just set power_scheme=1. > > Thanks again for your help! > > Stephen > -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
