https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=263015
Bug ID: 263015
Summary: iwlwifi: huge drop in driver performance on 13.1-RC1
Product: Base System
Version: 13.1-RELEASE
Hardware: amd64
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: wireless
Assignee: [email protected]
Reporter: [email protected]
First of all, many thanks to Bjoern Zeeb and the FreeBSD Foundation for
providing initial support for all these new Intel wireless cards.
I was very happy to see iwlwifi driver finally working fast (around 17 mbps
download speed) and stable on 13.1-BETA3.
Since upgrading to 13.1-RC1, I was pleased to see the driver auto-loading
through devmatch, but unfortunately the download speed did drastically decrease
to about 2 mbps.
I don't know if this is a known issue or only affects my card model (Intel
Wireless-AC 9560). Anyway, this is the relevant pciconf output:
class=0x028000 rev=0x00 hdr=0x00 vendor=0x8086 device=0x02f0 subvendor=0x8086
subdevice=0x0034
vendor = 'Intel Corporation'
device = 'Comet Lake PCH-LP CNVi WiFi'
class = network
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