Looks like linux-firmware 1.127.11 resolved the problem I had. If the problem will occur again, I'll write about it here. Otherwise please feel free to close this case if I don't update it for one-two weeks :-)
Thanks! https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/1398171 linux-firmware (1.127.11) trusty; urgency=medium * iwlwifi: update firmware for 3160 / 7260 / 7265 -LP: #1398171 -- Seth Forshee <seth.fors...@canonical.com> Mon, 01 Dec 2014 12:21:56 -0600 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-firmware in Ubuntu. https://bugs.launchpad.net/bugs/1371425 Title: linux-firmware 1.127.5, 1.127.6 causes instable network connection (likely due to iwlwifi-7260-8.ucode) Status in linux-firmware package in Ubuntu: Incomplete Bug description: 1) Linux Mint 17 Qiana (MATE, x86_64) 2) Having linux-firmware 1.127.5 or 1.127.6 installed on my Sony Vaio Pro 13 ( SVP1322V8EBI product name ) 3) It causes loosy network, ping to wireless access point is unstable, it jumps from 1.8ms up to 250 and even more than 2000ms from time to time (every 3-5 minutes), repeatedly dropping packets too (no matter pinging directly a router or an external site), consistently high packet loss (about 33%), impossible to work over ssh as it takes about 10-15 seconds to type a command almost every 3rd or 5th minute, repeatedly disconnects from access point due to a limited range. 4) Normal and stable network connection over WiFi -- without lags, packet loss, disruptions, limited range, etc ... 5) Always with linux-firmware 1.127.5 or 1.127.6 --- Notes --- And there is absoultely no problem when I downgraded to linux-firmware=1.127.4 , wireless connection perfectly works, no lags, no disruptions, no packet loss, just works as expected. My Wireless card on Sony Vaio Pro 13: 01:00.0 Network controller: Intel Corporation Wireless 7260 (rev 6b) Subsystem: Intel Corporation Dual Band Wireless-AC 7260 Flags: bus master, fast devsel, latency 0, IRQ 60 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 5c-51-4f-ff-ff-XX-XX-XX (NOTE: I changed last 3 bytes to XX) Capabilities: [14c] Latency Tolerance Reporting Capabilities: [154] Vendor Specific Information: ID=cafe Rev=1 Len=014 <?> Kernel driver in use: iwlwifi Thanks for fixing this problem in advnace, and if you need more outputs from my side, please let me know. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/1371425/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
