Alright, a BIOS upgrade didn't help. Still crashes.
More or less it consistently fails after a day or two, but I have
noticed that if I use the wifi continuously for a long work-day, and
never allow it to sleep or never switch to ethernet, the wifi stays
running.
So, the crashes do seem tied to powercycling the radio ----- either via
sleeping a few times throughout the day or by powering off the radio and
switching to ethernet. It can sometimes take multiple days of
powercycling the radio before it crashes ---- on the other hand, if I
have a lot of meetings one day and I cycle it frequently, then it
crashes within in a few hours.
If I avoid powercycling, the wifi (generally) seems to stay on. This
seems to indicate that there's some "buildup" of state in the firmware
that only happens after enough cycles to cause the firmware to either
not be keeping track of the actual state of the device or some kind of
memory corruption that only happens after enough cycling within the
firmware.
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1577957
Title:
Intel 7265D wifi firmware crashes on a Lenovo x1 carbon (3rd
generation)
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