On Thu, Nov 6, 2014 at 3:52 PM, Henry Wünsche <henry.wuensche@xxxxxxx> wrote: > Hello! > I got a problem with an Lenovo U330p botebook and it's build in Intel > Wireless-N 7260 in combination with Ubuntu 14.10 . > If the WiFi card is running in N-mode after a few minutes I am no more able > to ping my router or visit any website. If the N-mode is disabled via the > command "options iwlwifi 11n_disable=1" in "/etc/modprobe.d/iwlwifi.conf" > it works for me. Can you please enable 11n and record tracing while you can't ping your router? sudo trace-cmd record -e iwlwifi -e mac80211 -e cfg80211 -e iwlwifi_msg This will create a trace.dat file which you can send. Take into account this kind of system issues are very hard to debug remotely, so.... I am not sure I'll be able to do a lot for you. And I'll be travelling to San Francisco the next two weeks, so I will have very little time for that. > > I also noticed that the wifi range with that wireless card on Ubuntu is > terrible. I dual boot with Windows 8.1 and there wifi range is much better > and even N-mode works. > > after booting Ubuntu (mainline kernel 3.17.1) dmesg shows this: > > [ 4.133139] iwlwifi 0000:02:00.0: irq 49 for MSI/MSI-X > [ 4.133484] iwlwifi 0000:02:00.0: Direct firmware load for > iwlwifi-7260-10.ucode failed with error -2 > [ 4.133487] iwlwifi 0000:02:00.0: Falling back to user helper > [ 4.253735] iwlwifi 0000:02:00.0: loaded firmware version 25.222.9.0 > op_mode iwlmvm > [ 5.816514] iwlwifi 0000:02:00.0: Detected Intel(R) Wireless N 7260, > REV=0x144 > [ 5.816562] iwlwifi 0000:02:00.0: L1 Disabled; Enabling L0S > [ 5.816777] iwlwifi 0000:02:00.0: L1 Disabled; Enabling L0S > [ 6.086593] iwlwifi 0000:02:00.0: L1 Disabled; Enabling L0S > [ 6.086802] iwlwifi 0000:02:00.0: L1 Disabled; Enabling L0S > [ 7.167833] iwlwifi 0000:02:00.0: Time Event end notification failure > > the mentioned firmware iwlwifi-7260-10.ucode isn't installed, but > iwlwifi-7260-7.ucode > iwlwifi-7260-8.ucode > iwlwifi-7260-9.ucode > > are. > > Is there any solution for this problem or any fix? > I read that iwlwifi-7260-10.ucode isn't atable yet, so I haven't installed > it at the moment. > > Thanks in advance and best regards, > > Henry Wünsche -- 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
