Re: please update -head / try D60848 if you're using iwn(4)

On Mon, 19 Oct 2026 at 09:16, David Wolfskill <david@catwhisker.org> wrote:

> On Sun, Oct 18, 2026 at 05:38:35PM -0700, Adrian Chadd wrote:
> > hi!
> >
> > I just stumbled across a traffic hang bug in iwn(4) which has been
> > around for a while, and likely the cause of some of y'all telling me
> iwn(4)
> > just randomly hangs now.
> >
> > I fixed it in -head and I'll MFC it to earlier versions next week. D60848
> > should apply pretty cleanly to stable/15 and stable/14 .
> >
> > I'd appreciate it if anyone using iwn(4) would give it a whirl and let me
> > know.
> >
> > Thanks!
>
> Sure; I just tried it on one of my laptops, running:
>
> g1-50(16.0-C)[1] uname -aUK
> FreeBSD g1-50.catwhisker.org 16.0-CURRENT FreeBSD 16.0-CURRENT #59
> main-n290225-f19009020a33: Mon Oct 19 12:26:01 UTC 2026
>  root@g1-119.catwhisker.org:/common/S4/obj/usr/src/amd64.amd64/sys/CANARY
> amd64 1600028 1600028
>
> with:
>
> iwn0@pci0:3:0:0:        class=0x028000 rev=0x35 hdr=0x00 vendor=0x8086
> device=0x422b subvendor=0x8086 subdevice=0x1121
>     vendor     = 'Intel Corporation'
>     device     = 'Centrino Ultimate-N 6300'
>     class      = network
>
> No stalls; I ran an scp in a loop (5 iterations), alternating with
> a different laptop (with an ath(4) NIC), and the copies were tolerably
> consistent.
>
> Thanks! :-)


Oh thank GOD, I can tick that off my list.





-adrian


>