Date: Sat, 18 Apr 2026 10:14:32 -0700 From: David Wolfskill <david@catwhisker.org> To: Michael Tuexen <tuexen@freebsd.org> Cc: current@freebsd.org, Ricardo Branco <rbranco@suse.de>, freebsd-current@freebsd.org Subject: Re: panic: assertion failed in iflib_txq_drain() Message-ID: <aeO7-Io1WMKhriEu@albert.catwhisker.org> In-Reply-To: <EC59DE6A-BD57-4213-948D-F41885CF7AEC@FreeBSD.org> References: <9d640ae4-7133-4d4f-917f-d715ab71ee7b@suse.de> <aeNz1A3RtqruU_Ys@albert.catwhisker.org> <EC59DE6A-BD57-4213-948D-F41885CF7AEC@FreeBSD.org>
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[-- Attachment #1 --] 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. [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- iNUEARYKAH0WIQRCec5RsK7Enudh3yGB9MJ9AwUELQUCaeO7+F8UgAAAAAAuAChp c3N1ZXItZnByQG5vdGF0aW9ucy5vcGVucGdwLmZpZnRoaG9yc2VtYW4ubmV0NDI3 OUNFNTFCMEFFQzQ5RUU3NjFERjIxODFGNEMyN0QwMzA1MDQyRAAKCRCB9MJ9AwUE LRW4AQDp4d0eMWEC5UhpHfZQnxLewpzLeC0HOq4WTUGGpPyUngD+JVAmXC23MOQy 9Xvmss9AU25Ir1xxmOqeJvlexL5Tkww= =HUgy -----END PGP SIGNATURE-----home | help
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