Date: Mon, 4 Mar 2024 15:39:39 -0500 From: Alexander Motin <mav@FreeBSD.org> To: Jakob Alvermark <jakob@alvermark.net>, 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: <87db86a3-55a3-7d55-63a6-0058e0f98c2b@FreeBSD.org> In-Reply-To: <c5b47b07-05c8-427a-bf14-abeb01871e11@alvermark.net> 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> <c5b47b07-05c8-427a-bf14-abeb01871e11@alvermark.net>
next in thread | previous in thread | raw e-mail | index | archive | help
On 04.03.2024 15:33, Jakob Alvermark wrote: > 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. I also use USB3 dongles. But in my laptops the USB 3 ports are provided by Intel Thunderbolt controller, while in HPS' they were plain from USB3 controller. Though it may be just a coincidence. > 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 Right, I saw about the same. -- Alexander Motin
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?87db86a3-55a3-7d55-63a6-0058e0f98c2b>