Re: panic: assertion failed in iflib_txq_drain()
Date: Sat, 18 Apr 2026 17:14:32 UTC
On Sat, Apr 18, 2026 at 03:53:33PM +0200, Michael Tuexen wrote: > ... > > So... one of the machines on which I track head got this, as well -- my > > (mostly-)headless build machine. (2 laptops, updated in sync with the > > build machine, did not panic. One of those also uses a wired NIC.) > Do the network drivers of the machines not being affected use iflib? Apparently not -- they are em(4), iwm(4), & iwn(4), while the panicking machine uses igb(4). > I do see the problem also on one of my machines and local testing shows that > https://cgit.FreeBSD.org/src/commit/?id=3fade68cfdf95ee0b517b5d69b270bd8da633404 <https://cgit.freebsd.org/src/commit/?id=3fade68cfdf95ee0b517b5d69b270bd8da633404> > is the problem. At least reverting it locally resolves the problem. > Can you confirm this? I can, and do: after reverting main-n285140-3fade68cfdf9 & rebuilding, I am able to ssh in without issue; the machine reports: freebeast(16.0-C)[2] uname -aUK FreeBSD freebeast.catwhisker.org 16.0-CURRENT FreeBSD 16.0-CURRENT #549 main-n285180-23a84efeb191: Sat Apr 18 17:01:25 UTC 2026 root@freebeast.catwhisker.org:/common/S3/obj/usr/src/amd64.amd64/sys/GENERIC amd64 1600015 1600015 Thanks! Peace, david -- David H. Wolfskill david@catwhisker.org See https://www.catwhisker.org/~david/publickey.gpg for my public key.