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Hi,
My Intel AC7260 wireless hardware have someting wrong. It works fine until recently.
The bug occurs randomly, may be several hours. When that bug occurs, I have to reconnect my wifi or reboot my laptop to bring network back.
I check my kernel log, the most useful information like this:
2014-01-27 10:44:07 iwlwifi 0000 3:00.0: Error sending ADD_STA: time out after 2000ms.
2014-01-27 10:44:07 iwlwifi 0000 3:00.0: Current CMD queue read_ptr 125 write_ptr 126
2014-01-27 10:44:07 wlp3s0 HW problem - can not stop rx aggregation for 00:24:a5:d7:a1:d4 tid 1
2014-01-27 10:45:42 iwlwifi 0000 3:00.0: Error sending SCAN_REQUEST_CMD: time out after 2000ms.
2014-01-27 10:45:42 iwlwifi 0000 3:00.0: Current CMD queue read_ptr 125 write_ptr 127
2014-01-27 10:45:42 iwlwifi 0000 3:00.0: Scan failed! status 0x1 ret -110
2014-01-27 10:47:42 iwlwifi 0000 3:00.0: Error sending SCAN_REQUEST_CMD: time out after 2000ms.
2014-01-27 10:47:42 iwlwifi 0000 3:00.0: Current CMD queue read_ptr 125 write_ptr 128
2014-01-27 10:47:42 iwlwifi 0000 3:00.0: Scan failed! status 0x1 ret -110I find a very similar problem as mine in this: http://www.spinics.net/lists/linux-wire … 14360.html
and this: https://bbs.archlinux.org/viewtopic.php?id=172184
My kernel is 3.12.9 x86_64
-------30 Jan EST Edit------------------------
after tracking the email subscrib, I find that this problem is caused by PCIe power management, and may be a kernel fix is developing.
the email subscrib is here
http://www.spinics.net/lists/linux-wire … 16482.html
Last edited by silenceleaf (2014-01-30 18:13:39)
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lspci show this hardware like this:
03:00.0 Network controller: Intel Corporation Wireless 7260 (rev 73)
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This bug almost make crazy ....
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I find in 5GHz, it worked fine.
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I just update post, the kernel patch is here:
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