* Re: [LTP] [PATCH net v3] tun/tap & vhost-net: make qdisc backpressure opt-in via IFF_BACKPRESSURE [not found] <20260709095511.168235-1-simon.schippers@tu-dortmund.de> @ 2026-07-15 14:01 ` kernel test robot 2026-07-15 14:32 ` Simon Schippers 0 siblings, 1 reply; 3+ messages in thread From: kernel test robot @ 2026-07-15 14:01 UTC (permalink / raw) To: Simon Schippers Cc: Willem de Bruijn, lkp, Brett Sheffield, Michael S . Tsirkin, netdev, Jonathan Corbet, linux-doc, linux-kernel, Jason Wang, Andrew Lunn, Eric Dumazet, Simon Schippers, oliver.sang, Simon Horman, Shuah Khan, oe-lkp, Jakub Kicinski, Tim Gebauer, Paolo Abeni, David S . Miller, ltp Hello, kernel test robot noticed "ltp.ioctl03.fail" on: commit: 09154ff2072e36b86ba2d92d436b7f27df153ed1 ("[PATCH net v3] tun/tap & vhost-net: make qdisc backpressure opt-in via IFF_BACKPRESSURE") url: https://github.com/intel-lab-lkp/linux/commits/Simon-Schippers/tun-tap-vhost-net-make-qdisc-backpressure-opt-in-via-IFF_BACKPRESSURE/20260709-181234 base: https://git.kernel.org/cgit/linux/kernel/git/davem/net.git fabb881df322da25442f98d23f5fa371e3c78ec4 patch link: https://lore.kernel.org/all/20260709095511.168235-1-simon.schippers@tu-dortmund.de/ patch subject: [PATCH net v3] tun/tap & vhost-net: make qdisc backpressure opt-in via IFF_BACKPRESSURE in testcase: ltp version: with following parameters: disk: 1HDD fs: ext4 test: syscalls-03 config: x86_64-rhel-9.4-ltp compiler: gcc-14 test machine: 4 threads 1 sockets Intel(R) Core(TM) i3-3220 CPU @ 3.30GHz (Ivy Bridge) with 8G memory (please refer to attached dmesg/kmsg for entire log/backtrace) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <oliver.sang@intel.com> | Closes: https://lore.kernel.org/oe-lkp/202607151550.5d829a99-lkp@intel.com .... ^[[1;37mgetuid03: ^[[0m^[[1;32mpass^[[0m (0.028s) ^[[1;37mioctl03: ^[[0m^[[1;31mfail^[[0m (0.047s) <----- ^[[1;37mioctl05: ^[[0m^[[1;32mpass^[[0m (0.471s) .... Execution time: 3m 35s Disconnecting from SUT: default Target information ────────────────── Kernel: Linux 7.2.0-rc1+ #1 SMP PREEMPT_DYNAMIC Sun Jul 12 07:25:38 CST 2026 Cmdline: ip=::::lkp-ivb-d04::dhcp root=/dev/ram0 RESULT_ROOT=/result/ltp/1HDD-ext4-syscalls-03/lkp-ivb-d04/debian-13-x86_64-20250902.cgz/x86_64-rhel-9.4-ltp/gcc-14/09154ff2072e36b86ba2d92d436b7f27df153ed1/0 BOOT_IMAGE=/pkg/linux/x86_64-rhel-9.4-ltp/gcc-14/09154ff2072e36b86ba2d92d436b7f27df153ed1/vmlinuz-7.2.0-rc1+ branch=linux-devel/devel-hourly-20260709-190759 job=/lkp/jobs/scheduled/lkp-ivb-d04/ltp-1HDD-ext4-syscalls-03-debian-13-x86_64-20250902.cgz-09154ff2072e-20260712-19649-tc8bu6-0.yaml user=lkp ARCH=x86_64 kconfig=x86_64-rhel-9.4-ltp commit=09154ff2072e36b86ba2d92d436b7f27df153ed1 intremap=posted_msi max_uptime=7200 LKP_SERVER=internal-lkp-server nokaslr selinux=0 debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 net.ifnames=0 printk.devkmsg=on panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic load_ramdisk=2 prompt_ramdisk=0 drbd.minor_count=8 systemd.log_level=err ignore_loglevel console=tty0 earlyprintk=ttyS0,115200 console=ttyS0,115200 vga=normal rw keep_initrds=/osimage/pkg/debian-13-x86_64-20250902.cgz/ltp-x86_64-ed2758122-1_20260711.cgz acpi_rsdp=0x000f0490 Machine: unknown Arch: x86_64 RAM: 6895596 kB Swap: 0 kB Distro: debian 13 ──────────────────────── TEST SUMMARY ──────────────────────── Suite: syscalls-03 Runtime: 3m 24s Runs: 183 Results: Passed: 2144 Failed: 1 Broken: 0 Skipped: 222 Warnings: 0 ^[[1;31mFailures:^[[0m • ioctl03 The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20260715/202607151550.5d829a99-lkp@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki -- Mailing list info: https://lists.linux.it/listinfo/ltp ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [LTP] [PATCH net v3] tun/tap & vhost-net: make qdisc backpressure opt-in via IFF_BACKPRESSURE 2026-07-15 14:01 ` [LTP] [PATCH net v3] tun/tap & vhost-net: make qdisc backpressure opt-in via IFF_BACKPRESSURE kernel test robot @ 2026-07-15 14:32 ` Simon Schippers 2026-07-16 1:22 ` Oliver Sang 0 siblings, 1 reply; 3+ messages in thread From: Simon Schippers @ 2026-07-15 14:32 UTC (permalink / raw) To: kernel test robot Cc: Willem de Bruijn, lkp, Brett Sheffield, Michael S . Tsirkin, netdev, Jonathan Corbet, linux-doc, linux-kernel, Jason Wang, Andrew Lunn, Eric Dumazet, Simon Horman, Shuah Khan, oe-lkp, Jakub Kicinski, Tim Gebauer, Paolo Abeni, David S . Miller, ltp On 7/15/26 16:01, kernel test robot wrote: > > > Hello, > > kernel test robot noticed "ltp.ioctl03.fail" on: ioctl03.c does not know about IFF_BACKPRESSURE which is introduced here, consequently it fails. See [1] where it compares TUN features with known_flags. Thanks. [1] Link: https://github.com/linux-test-project/ltp/blob/master/testcases/kernel/syscalls/ioctl/ioctl03.c#L82 > > commit: 09154ff2072e36b86ba2d92d436b7f27df153ed1 ("[PATCH net v3] tun/tap & vhost-net: make qdisc backpressure opt-in via IFF_BACKPRESSURE") > url: https://github.com/intel-lab-lkp/linux/commits/Simon-Schippers/tun-tap-vhost-net-make-qdisc-backpressure-opt-in-via-IFF_BACKPRESSURE/20260709-181234 > base: https://git.kernel.org/cgit/linux/kernel/git/davem/net.git fabb881df322da25442f98d23f5fa371e3c78ec4 > patch link: https://lore.kernel.org/all/20260709095511.168235-1-simon.schippers@tu-dortmund.de/ > patch subject: [PATCH net v3] tun/tap & vhost-net: make qdisc backpressure opt-in via IFF_BACKPRESSURE > > in testcase: ltp > version: > with following parameters: > > disk: 1HDD > fs: ext4 > test: syscalls-03 > > > > config: x86_64-rhel-9.4-ltp > compiler: gcc-14 > test machine: 4 threads 1 sockets Intel(R) Core(TM) i3-3220 CPU @ 3.30GHz (Ivy Bridge) with 8G memory > > (please refer to attached dmesg/kmsg for entire log/backtrace) > > > > If you fix the issue in a separate patch/commit (i.e. not just a new version of > the same patch/commit), kindly add following tags > | Reported-by: kernel test robot <oliver.sang@intel.com> > | Closes: https://lore.kernel.org/oe-lkp/202607151550.5d829a99-lkp@intel.com > > > .... > > ^[[1;37mgetuid03: ^[[0m^[[1;32mpass^[[0m (0.028s) > ^[[1;37mioctl03: ^[[0m^[[1;31mfail^[[0m (0.047s) <----- > ^[[1;37mioctl05: ^[[0m^[[1;32mpass^[[0m (0.471s) > > .... > > Execution time: 3m 35s > > Disconnecting from SUT: default > > Target information > ────────────────── > Kernel: Linux 7.2.0-rc1+ #1 SMP PREEMPT_DYNAMIC Sun Jul 12 07:25:38 CST 2026 > Cmdline: ip=::::lkp-ivb-d04::dhcp > root=/dev/ram0 > RESULT_ROOT=/result/ltp/1HDD-ext4-syscalls-03/lkp-ivb-d04/debian-13-x86_64-20250902.cgz/x86_64-rhel-9.4-ltp/gcc-14/09154ff2072e36b86ba2d92d436b7f27df153ed1/0 > BOOT_IMAGE=/pkg/linux/x86_64-rhel-9.4-ltp/gcc-14/09154ff2072e36b86ba2d92d436b7f27df153ed1/vmlinuz-7.2.0-rc1+ > branch=linux-devel/devel-hourly-20260709-190759 > job=/lkp/jobs/scheduled/lkp-ivb-d04/ltp-1HDD-ext4-syscalls-03-debian-13-x86_64-20250902.cgz-09154ff2072e-20260712-19649-tc8bu6-0.yaml > user=lkp > ARCH=x86_64 > kconfig=x86_64-rhel-9.4-ltp > commit=09154ff2072e36b86ba2d92d436b7f27df153ed1 > intremap=posted_msi > max_uptime=7200 > LKP_SERVER=internal-lkp-server > nokaslr > selinux=0 > debug > apic=debug > sysrq_always_enabled > rcupdate.rcu_cpu_stall_timeout=100 > net.ifnames=0 > printk.devkmsg=on > panic=-1 > softlockup_panic=1 > nmi_watchdog=panic > oops=panic > load_ramdisk=2 > prompt_ramdisk=0 > drbd.minor_count=8 > systemd.log_level=err > ignore_loglevel > console=tty0 > earlyprintk=ttyS0,115200 > console=ttyS0,115200 > vga=normal > rw > keep_initrds=/osimage/pkg/debian-13-x86_64-20250902.cgz/ltp-x86_64-ed2758122-1_20260711.cgz > acpi_rsdp=0x000f0490 > Machine: unknown > Arch: x86_64 > RAM: 6895596 kB > Swap: 0 kB > Distro: debian 13 > > ──────────────────────── > TEST SUMMARY > ──────────────────────── > Suite: syscalls-03 > Runtime: 3m 24s > Runs: 183 > > Results: > Passed: 2144 > Failed: 1 > Broken: 0 > Skipped: 222 > Warnings: 0 > > ^[[1;31mFailures:^[[0m > • ioctl03 > > > > The kernel config and materials to reproduce are available at: > https://download.01.org/0day-ci/archive/20260715/202607151550.5d829a99-lkp@intel.com > > > -- Mailing list info: https://lists.linux.it/listinfo/ltp ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [LTP] [PATCH net v3] tun/tap & vhost-net: make qdisc backpressure opt-in via IFF_BACKPRESSURE 2026-07-15 14:32 ` Simon Schippers @ 2026-07-16 1:22 ` Oliver Sang 0 siblings, 0 replies; 3+ messages in thread From: Oliver Sang @ 2026-07-16 1:22 UTC (permalink / raw) To: Simon Schippers Cc: Willem de Bruijn, lkp, Brett Sheffield, Michael S . Tsirkin, netdev, Jonathan Corbet, linux-doc, linux-kernel, Jason Wang, Andrew Lunn, Eric Dumazet, oliver.sang, Simon Horman, Shuah Khan, oe-lkp, Jakub Kicinski, Tim Gebauer, Paolo Abeni, David S . Miller, ltp hi, Simon Schippers, On Wed, Jul 15, 2026 at 04:32:26PM +0200, Simon Schippers wrote: > On 7/15/26 16:01, kernel test robot wrote: > > > > > > Hello, > > > > kernel test robot noticed "ltp.ioctl03.fail" on: > > ioctl03.c does not know about IFF_BACKPRESSURE which is introduced here, > consequently it fails. > See [1] where it compares TUN features with known_flags. thanks a lot for information! > > Thanks. > > [1] Link: https://github.com/linux-test-project/ltp/blob/master/testcases/kernel/syscalls/ioctl/ioctl03.c#L82 > [...] -- Mailing list info: https://lists.linux.it/listinfo/ltp ^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2026-07-16 1:23 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
[not found] <20260709095511.168235-1-simon.schippers@tu-dortmund.de>
2026-07-15 14:01 ` [LTP] [PATCH net v3] tun/tap & vhost-net: make qdisc backpressure opt-in via IFF_BACKPRESSURE kernel test robot
2026-07-15 14:32 ` Simon Schippers
2026-07-16 1:22 ` Oliver Sang
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox