On Mon, May 9, 2016 at 6:26 PM, Huang, Ying <[email protected]> wrote: > Hi, Eric, > > kernel test robot <[email protected]> writes: >> FYI, we noticed the following commit: >> >> git://internal_merge_and_test_tree devel-catchup-201604281529 >> commit 9317bb69824ec8d078b0b786b6971aedb0af3d4f ("net: SOCKWQ_ASYNC_NOSPACE >> optimizations") >> >> on test machine: vm-kbuild-2G: 2 threads qemu-system-x86_64 -enable-kvm -cpu >> Haswell,+smep,+smap with 2G memory >> >> caused below changes: >> >> >> +--------------------------------------------------+------------+------------+ >> | | 210732d16d | 9317bb6982 >> | >> +--------------------------------------------------+------------+------------+ >> | boot_successes | 40 | 13 >> | >> | boot_failures | 0 | 27 >> | >> | INFO:task_blocked_for_more_than#seconds | 0 | 27 >> | >> | RIP:native_safe_halt | 0 | 20 >> | >> | RIP:native_write_msr_safe | 0 | 27 >> | >> | Kernel_panic-not_syncing:hung_task:blocked_tasks | 0 | 27 >> | >> | backtrace:__close_fd | 0 | 27 >> | >> | backtrace:SyS_close | 0 | 27 >> | >> | backtrace:cpu_startup_entry | 0 | 19 >> | >> | backtrace:watchdog | 0 | 27 >> | >> | RIP:__lock_acquire | 0 | 2 >> | >> | backtrace:rpc_async_schedule | 0 | 2 >> | >> | backtrace:lock_acquire | 0 | 1 >> | >> | RIP:delay_tsc | 0 | 1 >> | >> | backtrace:SYSC_epoll_wait | 0 | 1 >> | >> | backtrace:SyS_epoll_wait | 0 | 1 >> | >> | RIP:pvclock_clocksource_read | 0 | 1 >> | >> | RIP:xs_reclassify_socket | 0 | 1 >> | >> | backtrace:xs_tcp_setup_socket | 0 | 2 >> | >> | RIP:insert_work | 0 | 1 >> | >> +--------------------------------------------------+------------+------------+ > > We recently found this patch cause NFS hang in 0day/LKP test system. > The NFS export can be mounted, but after a while all read/write to NFS > mount blocked. This influenced the 0day/LKP testing. Could you help us > to fix this? > > Best Regards, > Huang, Ying
I need to officially submit this patch : http://www.spinics.net/lists/netdev/msg375777.html Thanks.
