This bug should close because the configuration has been disassembled,
we can hardly expect hotellina to change the wireless card back to what
it was just so that the bug can be solved. ;-)
However, several of the problems in this bug were fixed by upstream
patches, in particular b8b8b16352cd ("rtlwifi: rtl8821ae: Fix connection
lost problem") merged for 4.14-rc4.
I now have rtl8821ae working well. It was terrible for a while. What I
did was
(a) test several ubuntu kernels to find which ones were affected,
(b) using git bisect, tested several custom kernels, and proved my
problem began with a single commit 40b368af4b75 ("rtlwifi: Fix alignment
issues"),
(c) worked with upstream to determine a likely cause; the commit wasn't
widely tested,
(d) proved through testing that the BIOS can have an effect; because the
rtl8821ae driver does not reset the card, but inherits the card in
whatever state the BIOS left it. This can randomise problem reports.
(e) proved that a power down and reboot can have a different effect to a
warm reboot; some of the wireless card device registers are unchanged on
warm reboot. This can randomise problem reports.
Hope that helps.
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https://bugs.launchpad.net/bugs/1653012
Title:
10ec:8821 [Asus X555L] RTL8821AE doesn't work after some minutes.
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