Date: Mon, 4 Mar 2024 21:33:06 +0100 From: Jakob Alvermark <jakob@alvermark.net> To: Alexander Motin <mav@FreeBSD.org>, Poul-Henning Kamp <phk@phk.freebsd.dk>, Mark Millard <marklmi@yahoo.com> Cc: Current FreeBSD <freebsd-current@freebsd.org>, FreeBSD-USB Mailing List <freebsd-usb@freebsd.org> Subject: Re: main [so: 15] context, 7950X3D and RTL8251/8153 based Ethernet dongle: loss of state, example log information Message-ID: <c5b47b07-05c8-427a-bf14-abeb01871e11@alvermark.net> In-Reply-To: <42786924-babe-da63-b672-d546c41327c6@FreeBSD.org> References: <41913B2D-381A-4EEC-9B37-531445645F71.ref@yahoo.com> <41913B2D-381A-4EEC-9B37-531445645F71@yahoo.com> <b1ad674d-c32f-42d2-83ff-a5de339c3f4f@alvermark.net> <D7EFA40B-3443-44F9-855D-0F4082375B34@yahoo.com> <202403042000.424K0nnR083667@critter.freebsd.dk> <42786924-babe-da63-b672-d546c41327c6@FreeBSD.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On 3/4/24 21:13, Alexander Motin wrote: > On 04.03.2024 15:00, Poul-Henning Kamp wrote: >>>> Nov 30 03:23:18 7950X3D-UFS kernel: ue0: link state changed to DOWN >>>> Nov 30 03:23:18 7950X3D-UFS kernel: ue0: link state changed to UP >>>> Nov 30 03:23:18 7950X3D-UFS kernel: ue0: link state changed to DOWN >>>> Nov 30 03:23:18 7950X3D-UFS kernel: ue0: link state changed to UP >>>> Nov 30 03:23:18 7950X3D-UFS kernel: ue0: link state changed to DOWN >>>> Nov 30 03:23:18 7950X3D-UFS kernel: ue0: link state changed to UP >> >> I consistently had similar problems with my 0x17ef/0x3066 "ThinkPad >> Thunderbolt 3 Dock MCU", but they went away after I forced it to >> use the if_cdce driver instead with this quirk: >> >> /* This works much better with if_cdce than if_ure */ >> USB_QUIRK(LENOVO, TBT3LAN, 0x0000, 0xffff, UQ_CFG_INDEX_1), > > AFAIK it is only a workaround. I saw it myself on number of different > USB dongles and laptops, that USB starting experience some problems > with multiple NIC queues and some other factors. IIRC the Realtek > driver was much more stable once I limited it to one queue and some > other hacks. IIRC if_cdce just has only one queue and other > limitations, that not only makes it more stable, but also much > slower. It would be good to understand what's wrong is there exactly, > since IMHO it is a big problem now. Unfortunately HPS was unable to > reproduce it on his laptop (that makes me wonder if is is specific to > chipset(s) or thunderbolt?), so it ended nowhere so far. I have a Lenovo USB 3 dongle, so no thunderbolt. USB ID 0x17ef/0x7205 rgephy1: <RTL8251/8153 1000BASE-T media interface> PHY 0 on miibus1 I tried using the cdce driver, it gives me < 100Mb/s, while the ure driver gets > 500Mb/s Jakob
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?c5b47b07-05c8-427a-bf14-abeb01871e11>