On Sun, 22 Mar 2015 10:26:09 +0000 Mick <michaelkintz...@gmail.com> wrote:
> On Sunday 22 Mar 2015 05:19:41 German wrote: > > On Sun, 22 Mar 2015 09:01:03 +0000 > > Mick <michaelkintz...@gmail.com> wrote: > > > > In addidion, use modinfo to find out what parameters the particular module > > > has and add these when you modprobe to switch off power management - > > > which on buggy drivers tends to power down the card. > > > > Where do I have to use "modinfo". Can you give an example. From my research, > > that is exactly the power management which powers down the buggy drivers, > > but I don't know what what are these module options which will prevent to > > power the card down. > > I don't have your NIC, but in a laptop I post this in I get: > ========================================= > $ modinfo iwlwifi > filename: /lib/modules/3.18.7- > gentoo/kernel/drivers/net/wireless/iwlwifi/iwlwifi.ko.gz > license: GPL > author: Copyright(c) 2003- 2014 Intel Corporation > <i...@linux.intel.com> > version: in-tree: > description: Intel(R) Wireless WiFi driver for Linux > firmware: iwlwifi-100-5.ucode > firmware: iwlwifi-1000-5.ucode > firmware: iwlwifi-135-6.ucode > firmware: iwlwifi-105-6.ucode > firmware: iwlwifi-2030-6.ucode > firmware: iwlwifi-2000-6.ucode > firmware: iwlwifi-5150-2.ucode > firmware: iwlwifi-5000-5.ucode > firmware: iwlwifi-6000g2b-6.ucode > firmware: iwlwifi-6000g2a-5.ucode > firmware: iwlwifi-6050-5.ucode > firmware: iwlwifi-6000-4.ucode > srcversion: FDA022BCC86979326790D21 > alias: pci:v00008086d00000892sv*sd00000462bc*sc*i* > [snip ...] > > depends: > intree: Y > vermagic: 3.18.7-gentoo SMP preempt mod_unload > parm: swcrypto:using crypto in software (default 0 [hardware]) (int) > parm: 11n_disable:disable 11n functionality, bitmap: 1: full, 2: > disable agg TX, 4: disable agg RX, 8 enable agg TX (uint) > parm: amsdu_size_8K:enable 8K amsdu size (default 0) (int) > parm: fw_restart:restart firmware in case of error (default true) > (bool) > parm: antenna_coupling:specify antenna coupling in dB (default: 0 > dB) (int) > parm: wd_disable:Disable stuck queue watchdog timer 0=system > default, 1=disable (default: 1) (int) > parm: nvm_file:NVM file name (charp) > parm: uapsd_disable:disable U-APSD functionality (default: Y) (bool) > parm: bt_coex_active:enable wifi/bt co-exist (default: enable) > (bool) > parm: led_mode:0=system default, 1=On(RF On)/Off(RF Off), > 2=blinking, 3=Off (default: 0) (int) > parm: power_save:enable WiFi power management (default: disable) > (bool) > parm: power_level:default power save level (range from 1 - 5, > default: 1) (int) > parm: fw_monitor:firmware monitor - to debug FW (default: false - > needs lots of memory) (bool) > ========================================= > > So in my card I have: "parm: power_save:enable WiFi power management" which > is by default disabled. If I wanted to enable this parameter I would need to > use a boolean term, e.g. 'true', or 'on', or '1', or 'enable'. Yours would > be > similar, but the exact parameter would be revealed when you run 'modinfo > <your_module_name>' > > Then call this parameter when you modprobe the module. For example: > > modprobe -r <your_module_name> > modprobe -v <your_module_name> power_level=0 > > Look at dmesg or syslog to see the result of your incantantion. > > If this solves your problem you can permanently define such a parameter in > your /etc/conf.d/modules. > > -- > Regards, > Mick > Thanks Mick, I'll take a closer look at it when I have time. Appreciate it. --
