Re: Request for Testing: TCP RACK

On Thu, 04 Jan 2024 14:57:59 +0100, tuexen@fh-muenster.de wrote:
> 
> > On Jan 4, 2024, at 11:40, Herbert J. Skuhra <herbert@gojira.at> wrote:
> > 
> > On Fri, 17 Nov 2023 14:31:02 +0100, "Herbert J. Skuhra" wrote:
> >> 
> >> Hi,
> >> 
> >> On Fri, 17 Nov 2023 00:15:13 +0100, tuexen@freebsd.org wrote:
> >>> 
> >>>> On Nov 16, 2023, at 20:06, Herbert J. Skuhra <herbert@gojira.at> wrote:
> >>>> 
> >>>> On Thu, 16 Nov 2023 19:07:29 +0100, Olivier Cochard-Labbé wrote:
> >>>>> 
> >>>>> On Thu, Nov 16, 2023 at 5:10 PM Herbert J. Skuhra <herbert@gojira.at> wrote:
> >>>>> 
> >>>>>> 
> >>>>>> OK, I am now running GENERIC-NODEBUG + "options TCPHPTS".
> >>>>>> 
> >>>>>> After setting "sysctl net.inet.tcp.functions_default=rack" git no
> >>>>>> longer works:
> >>>>>> 
> >>>>>> 
> >>>>> Are you using a fresh 15 head or a specific network setup ?
> >>>>> 
> >>>>> Because I'm not able to reproduce your problem on my system:
> >>>>> 
> >>>>> $ uname -a
> >>>>> FreeBSD bigone 15.0-CURRENT FreeBSD 15.0-CURRENT #0
> >>>>> main-n266452-070d9e3540e6: Thu Nov 16 17:53:15 CET 2023
> >>>>> root@bigone:/usr/obj/usr/src/amd64.amd64/sys/TCPHPTS
> >>>>> amd64
> >>>>> $ cat /usr/src/sys/amd64/conf/TCPHPTS
> >>>>> include GENERIC-NODEBUG
> >>>>> ident                   TCPHPTS
> >>>>> options                 TCPHPTS
> >>>>> $ sysctl net.inet.tcp.functions_default
> >>>>> net.inet.tcp.functions_default: rack
> >>>>> $ git clone -q git@github.com:freebsd/freebsd-src.git && echo working
> >>>>> working
> >>>>> $
> >>>> 
> >>>> OK, (g)it works if I disable pf. Do you use pf?
> >>> Can you share your pf config such that I can reproduce the problem locally?
> >> 
> >> 1. It even fails with a simple pf.conf:
> >>   pass in all
> >>   pass out all
> >> 
> >> 2. Fetching port distfiles also failed.
> >> 
> >> 3. If I disable rxcsum on the ethernet adapter (igb0) it works.
> > 
> > Disabling lro also resolves the issue.
> > 
> > Not OK:
> > 
> > igb0: flags=1008843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,LOWER_UP> metric 0 mtu 1500
> >        options=4e527bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,LRO,WOL_MAGIC,VLAN_HWFILTER,VLAN_HWTSO,RXCSUM_IPV6,TXCSUM_IPV6,HWSTATS,MEXTPG>
> > 
> > OK:
> > 
> > igb0: flags=1008843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,LOWER_UP> metric 0 mtu 1500
> >        options=4e523bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,WOL_MAGIC,VLAN_HWFILTER,VLAN_HWTSO,RXCSUM_IPV6,TXCSUM_IPV6,HWSTATS,MEXTPG>
> What kind of NIC do you have? Can you post the output of
> dmesg | grep igb0

igb0: <Intel(R) I210 (Copper)> port 0xf000-0xf01f mem 0xfc200000-0xfc27ffff,0xfc280000-0xfc283fff irq 28 at device 0.0 on pci3
igb0: EEPROM V3.16-0 eTrack 0x800004d6
igb0: Using 1024 TX descriptors and 1024 RX descriptors
igb0: Using 4 RX queues 4 TX queues
igb0: Using MSI-X interrupts with 5 vectors
igb0: Ethernet address: aa:bb:cc:dd:ee:ff
igb0: netmap queues/slots: TX 4/1024, RX 4/1024
igb0: link state changed to UP
igb0: link state changed to DOWN
igb0: link state changed to UP

--
Herbert