Re: TSO on IPv6 under QEMU

2024-09-09 Thread kekek
Alexander Bluhm writes: > On Mon, Sep 09, 2024 at 04:57:42PM +0300, kekek wrote: > Is it the same problem as in this thread? > https://marc.info/?l=openbsd-bugs&m=172581695605962&w=2 > > Did you try IPv4? IPv4 works fine. -- Alexander Shursha

Re: TSO on IPv6 under QEMU

2024-09-09 Thread Alexander Bluhm
On Mon, Sep 09, 2024 at 04:57:42PM +0300, kekek wrote: > Alexander Bluhm writes: > > Next step is to tcpdump the tap device on the qemu host. This > > should answer in which case we run. > This is a hosting service, I don't have access to qemu. Is it the same problem as in this thread? https://m

Re: TSO on IPv6 under QEMU

2024-09-09 Thread kekek
Alexander Bluhm writes: > On Mon, Sep 09, 2024 at 03:27:30PM +0300, kekek wrote: > Three possibiliites > 1. solicitation gets lost > 2. no advertisement generated > 3. advertisement gets lost 7.3: ifconfig vio0 vio0: flags=8843 mtu 1500 lladdr 52:54:00:f1:31:af index 1 priority

Re: TSO on IPv6 under QEMU

2024-09-09 Thread kekek
Alexander Bluhm writes: > On Mon, Sep 09, 2024 at 03:27:30PM +0300, kekek wrote: > Three possibiliites > 1. solicitation gets lost > 2. no advertisement generated > 3. advertisement gets lost 7.3: ifconfig vio0 vio0: flags=8843 mtu 1500 lladdr 52:54:00:f1:31:af index 1 priority

Re: TSO on IPv6 under QEMU

2024-09-09 Thread Alexander Bluhm
On Mon, Sep 09, 2024 at 03:27:30PM +0300, kekek wrote: > Alexander Bluhm writes: > > Then do some tcpdump to see if neigbor discovery packets go in or > > out. tcpdump -i pflog0 may also help debugging. > tcpdump -ni vio0 host fe80::5054:ff:fecd:f988 > tcpdump: listening on vio0, link-type EN10MB

Re: TSO on IPv6 under QEMU

2024-09-09 Thread kekek
Alexander Bluhm writes: > On Sat, Sep 07, 2024 at 01:38:08PM +0300, Alexander Shursha wrote: >> I was wrong, TSO has no effect. > > Good. Then this report makes more sense. > >> ping6 2a09:5302:::1 >> PING 2a09:5302:::1 (2a09:5302:::1): 56 data bytes >> ^C >> --- 2a09:5302:::1 p

Re: TSO on IPv6 under QEMU

2024-09-09 Thread Alexander Bluhm
On Sat, Sep 07, 2024 at 01:38:08PM +0300, Alexander Shursha wrote: > I was wrong, TSO has no effect. Good. Then this report makes more sense. > ping6 2a09:5302:::1 > PING 2a09:5302:::1 (2a09:5302:::1): 56 data bytes > ^C > --- 2a09:5302:::1 ping statistics --- > 4 packets transm

Re: TSO on IPv6 under QEMU

2024-09-07 Thread Alexander Shursha
> Is it 7.6-beta or 7.4? > Ping is ICMP, but TOS sysctl only affects TCP. There must be another > correlation. > What exactly did you to? I would guess > ping the machine from extern, does not work > Log into console > set sysctl net.inet.tcp.tso=0 > ping from extern starts working > This i

Re: TSO on IPv6 under QEMU

2024-08-29 Thread Jan Klemkow
hi, what is the output of: ifconfig vio0 hwfeatures thanks, jan On August 29, 2024 10:32:09 AM GMT+02:00, kek...@ya.ru wrote: >>Synopsis: TSO on IPv6 under QEMU >>Category: kernel >>Environment: > System : OpenBSD 7.6 > Details : OpenBSD

Re: TSO on IPv6 under QEMU

2024-08-29 Thread Jan Klemkow
hi, what ist the output of: ifconfig hwfeatures thanks, jan On August 29, 2024 10:32:09 AM GMT+02:00, kek...@ya.ru wrote: >>Synopsis: TSO on IPv6 under QEMU >>Category: kernel >>Environment: > System : OpenBSD 7.6 > Details : OpenBSD 7.6-

Re: TSO on IPv6 under QEMU

2024-08-29 Thread Alexander Bluhm
On Thu, Aug 29, 2024 at 11:32:09AM +0300, kek...@ya.ru wrote: > >Synopsis: TSO on IPv6 under QEMU > >Category:kernel > >Environment: > System : OpenBSD 7.6 > Details : OpenBSD 7.6-beta (GENERIC) #275: Sat Aug 24 22:13:11 MDT > 2024 >

TSO on IPv6 under QEMU

2024-08-29 Thread kekek2
>Synopsis: TSO on IPv6 under QEMU >Category: kernel >Environment: System : OpenBSD 7.6 Details : OpenBSD 7.6-beta (GENERIC) #275: Sat Aug 24 22:13:11 MDT 2024 dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compil