On Wed, May 27, 2015 at 3:41 AM, Nick Dimov <dimovnike@xxxxxxxxx> wrote: > hello, > I will record a tracing but now my kernel doesn't have > CONFIG_IWLWIFI_TRACING (default ubuntu kernel) so I will have to > activate the setting and recompile it. As for wpa_supplicant - I checked > several times and there is indeed a single process running, also its PID > doesn't change during disconnects. Btw, I also tested with 4.0 kernel > from the next release of ubuntu and the result is the same. Also the > laptop is next to the router and there are no other networks on 5Ghz > here (however the problem happens on 2.4Ghz too) On what channel is the AP on 2.4GHz? > > Thank you, > Nick. > > On 27.05.2015 03:27, Emmanuel Grumbach wrote: >> On Wed, May 27, 2015 at 2:44 AM, Nick Dimov <dimovnike@xxxxxxxxx> wrote: >>> Hello, >>> thank you for your response. I attach the full syslog since the last >>> boot which contains some disconnects. I enabled debug mode for >>> wpa_supplicant with -dd option (let me know if you need anything else). >>> >>> I also tried connecting directly, i.e. without NetworkManager but >>> manually with wpa_supplicant and I still get disconnects, howvever >>> wpa_supplicant gives different logs with different drivers. Please, see >>> the file wifi.log (you can see there the driver i used in >>> wpa_supplicant, that log doesn't have the debug activated but let me >>> know if you need that too) >> Please record tracing >> (https://wireless.wiki.kernel.org/en/users/drivers/iwlwifi/debugging#tracing) >> and the syslog from the *same run*. Someone is disconnecting you and I >> can't see who and why. Are you sure you have only one instance of the >> supplicant running? >> >>> Thank you again, >>> Nick. >>> >>> On 25.05.2015 14:33, Emmanuel Grumbach wrote: >>>> On Sat, May 23, 2015 at 1:28 PM, Nick Dimov <dimovnike@xxxxxxxxx> wrote: >>>>> Hello, >>>>> I recently bought the Intel 7260 AC wifi card (below is the PCI info) >>>>> and the card works perfectly in windows with the latest intel driver but >>>>> in linux I get deauthenticating and disconnects (reason -3) every minute >>>>> or so. When these disconnects happen I get packet loss. In the attached >>>>> file iwlwifi_dmesg.txt you can see the log that is produced each time a >>>>> disconnect happens. I also tried connecting on 2.4Ghz but I get the same >>>>> packet loss. I also put the last firmware from >>>>> http://git.kernel.org/?p=linux/kernel/git/firmware/linux-firmware.git >>>>> but it did not help. >>>> Please increase the debug level of the supplicant. And attach the full syslog. >>>> >>>>> There is also another problem: In windows i can see it connecting on >>>>> 860mbps, but on linux it never goes higher than 600mbps (i check this >>>>> with iwconfig) and it stays somewhere on 500mbps. >>>>> >>>>> Can you please help me solve this? >>>>> Thank you. >>>>> >>>>> uname -a >>>>> Linux nick-laptop 3.19.0-18-generic #18-Ubuntu SMP Tue May 19 18:31:35 >>>>> UTC 2015 x86_64 x86_64 x86_64 GNU/Linux >>>>> >>>>> lspci info: >>>>> 03:00.0 Network controller: Intel Corporation Wireless 7260 (rev bb) >>>>> Subsystem: Intel Corporation Dual Band Wireless-AC 7260 >>>>> Flags: bus master, fast devsel, latency 0, IRQ 29 >>>>> Memory at f7200000 (64-bit, non-prefetchable) [size=8K] >>>>> Capabilities: [c8] Power Management version 3 >>>>> Capabilities: [d0] MSI: Enable+ Count=1/1 Maskable- 64bit+ >>>>> Capabilities: [40] Express Endpoint, MSI 00 >>>>> Capabilities: [100] Advanced Error Reporting >>>>> Capabilities: [140] Device Serial Number d8-fc-93-ff-ff-e4-70-d7 >>>>> Capabilities: [14c] Latency Tolerance Reporting >>>>> Capabilities: [154] Vendor Specific Information: ID=cafe Rev=1 >>>>> Len=014 <?> >>>>> Kernel driver in use: iwlwifi >>>>> > -- 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