Hi Larry,
I tried using "ips=0" today and found it's not working.
I ping 8.8.8.8 and got below message within one hour.
ping: sendmsg: No buffer space available
Best regards,
AceLan Kao.
2015-08-08 0:33 GMT+08:00 Larry Finger <Larry.Finger@xxxxxxxxxxxx>:
> On 08/06/2015 10:11 PM, AceLan Kao wrote:
>>
>> There are many rtl8723be wifi unstable issues that wifi lost connection
>> after working for a while. The wifi signal and status it's show connected
>> also ifconfig have IP but can not connect to internet and filed to ping
>> 8.8.8.8
>> The problem should result from the power saving controlled by firmware.
>> I'd suggest to disable it by default and re-enable it after firmware fixes
>> this issue.
>>
>> BTW. the firmware I tested from linux-firmware git tree is
>> rtlwifi/rtl8723befw.bin
>> be225d6 Update firmware for rtl8723be
>>
>> Signed-off-by: AceLan Kao <acelan.kao@xxxxxxxxxxxxx>
>
>
> NACK for this patch. If you were to make this change, you should also change
> the text in the MODULE_PARM_DESC() for this parameter. It shows a hard-coded
> default.
>
> I am not sure this is a firmware problem as some users report that they need
> to run with the "ips=0" option, not with "fwlps=0" as your patch would
> force. Conversely, the driver works fine as is with other AP/environment
> combinations.
>
> The Realtek engineer has told me that he is aware of problems with the
> dynamic management for all the drivers, and that they are working on major
> replacements; however, there is no timetable for the new code.
>
> If we make a change in the default power settings, I would prefer changing
> inactiveps and its MODULE_PARM_DESC() text; however, that would have a
> negative impact on power usage on the host.
>
> I have BCc'd the Realtek engineer and I hope to get his comments on this
> change.
>
> Larry
>
>> ---
>> drivers/net/wireless/rtlwifi/rtl8723be/sw.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/net/wireless/rtlwifi/rtl8723be/sw.c
>> b/drivers/net/wireless/rtlwifi/rtl8723be/sw.c
>> index 1017f02..02fe2cc 100644
>> --- a/drivers/net/wireless/rtlwifi/rtl8723be/sw.c
>> +++ b/drivers/net/wireless/rtlwifi/rtl8723be/sw.c
>> @@ -266,7 +266,7 @@ static struct rtl_mod_params rtl8723be_mod_params = {
>> .sw_crypto = false,
>> .inactiveps = true,
>> .swctrl_lps = false,
>> - .fwctrl_lps = true,
>> + .fwctrl_lps = false,
>> };
>>
>> static struct rtl_hal_cfg rtl8723be_hal_cfg = {
>>
>
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