Hi, nfs client deadloop on 6.6.53. [ 9409.381322] sysrq: Show Blocked State [ 9409.386146] task:bash state:D stack:0 pid:2323 ppid:2226 flags:0x00004002 [ 9409.395225] Call Trace: [ 9409.398376] <TASK> [ 9409.401172] __schedule+0x232/0x5d0 [ 9409.405370] schedule+0x5e/0xd0 [ 9409.409217] schedule_timeout+0x8c/0x170 [ 9409.413837] ? __pfx_process_timeout+0x10/0x10 [ 9409.418989] msleep+0x3b/0x50 [ 9409.422656] ff_layout_pg_init_read+0x1c1/0x290 [nfs_layout_flexfiles] [ 9409.429910] __nfs_pageio_add_request+0x29b/0x480 [nfs] [ 9409.435911] nfs_pageio_add_request+0x221/0x2a0 [nfs] [ 9409.441715] nfs_read_add_folio+0x1a3/0x280 [nfs] [ 9409.447175] nfs_readahead+0x235/0x2d0 [nfs] [ 9409.452193] read_pages+0x56/0x2c0 [ 9409.456298] page_cache_ra_unbounded+0x134/0x1a0 [ 9409.461626] filemap_get_pages+0xf5/0x3a0 [ 9409.466355] ? __nfs_lookup_revalidate+0x53/0x140 [nfs] [ 9409.472325] filemap_read+0xdc/0x350 [ 9409.476614] ? find_idlest_group+0x113/0x530 [ 9409.481614] nfs_file_read+0x74/0xc0 [nfs] [ 9409.486461] __kernel_read+0xff/0x2b0 [ 9409.490838] search_binary_handler+0x70/0x250 [ 9409.495908] exec_binprm+0x50/0x1a0 [ 9409.500102] bprm_execve.part.0+0x17d/0x230 [ 9409.504993] do_execveat_common.isra.0+0x1a2/0x240 [ 9409.510489] __x64_sys_execve+0x37/0x50 [ 9409.515026] do_syscall_64+0x5a/0x90 [ 9409.519298] ? __count_memcg_events+0x4c/0xa0 [ 9409.524348] ? mm_account_fault+0x6c/0x100 [ 9409.529129] ? handle_mm_fault+0x154/0x280 [ 9409.533903] ? do_user_addr_fault+0x35f/0x680 [ 9409.538935] ? exc_page_fault+0x69/0x150 [ 9409.543537] entry_SYSCALL_64_after_hwframe+0x78/0xe2 [ 9409.549277] RIP: 0033:0x7f57378d987b [ 9409.553572] RSP: 002b:00007ffdb5978708 EFLAGS: 00000246 ORIG_RAX: 000000000000003b [ 9409.561847] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f57378d987b [ 9409.569690] RDX: 000055d26e403600 RSI: 000055d26e5cdc50 RDI: 000055d26e6ce7f0 [ 9409.577534] RBP: 000055d26e6ce7f0 R08: 000055d26e5a5b60 R09: 0000000000000000 [ 9409.585375] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff [ 9409.593208] R13: 000055d26e5cdc50 R14: 000055d26e403600 R15: 000055d26e6ceb40 [ 9409.601047] </TASK> [ 9409.603946] task:bash state:D stack:0 pid:2550 ppid:2462 flags:0x00004002 [ 9409.613027] Call Trace: [ 9409.616185] <TASK> [ 9409.618983] __schedule+0x232/0x5d0 [ 9409.623186] schedule+0x5e/0xd0 [ 9409.627033] io_schedule+0x46/0x70 [ 9409.631140] folio_wait_bit_common+0x133/0x390 [ 9409.636294] ? folio_wait_bit_common+0x100/0x390 [ 9409.641624] ? nfs4_do_open+0xcd/0x210 [nfsv4] [ 9409.646854] ? __pfx_wake_page_function+0x10/0x10 [ 9409.652268] filemap_update_page+0x2bc/0x300 [ 9409.657242] filemap_get_pages+0x21d/0x3a0 [ 9409.662042] ? __nfs_lookup_revalidate+0x53/0x140 [nfs] [ 9409.668010] filemap_read+0xdc/0x350 [ 9409.672299] nfs_file_read+0x74/0xc0 [nfs] [ 9409.677126] __kernel_read+0xff/0x2b0 [ 9409.681476] search_binary_handler+0x70/0x250 [ 9409.686526] exec_binprm+0x50/0x1a0 [ 9409.690702] bprm_execve.part.0+0x17d/0x230 [ 9409.695573] do_execveat_common.isra.0+0x1a2/0x240 [ 9409.701047] __x64_sys_execve+0x37/0x50 [ 9409.705559] do_syscall_64+0x5a/0x90 [ 9409.709805] ? do_user_addr_fault+0x35f/0x680 [ 9409.714834] ? exc_page_fault+0x69/0x150 [ 9409.719414] entry_SYSCALL_64_after_hwframe+0x78/0xe2 [ 9409.725126] RIP: 0033:0x7f3c492d987b [ 9409.729362] RSP: 002b:00007ffc6413a458 EFLAGS: 00000246 ORIG_RAX: 000000000000003b [ 9409.737609] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3c492d987b [ 9409.745429] RDX: 000055c6a8f07600 RSI: 000055c6a90e72a0 RDI: 000055c6a90f7890 [ 9409.753256] RBP: 000055c6a90f7890 R08: 000055c6a90f6250 R09: 0000000000000000 [ 9409.761078] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff [ 9409.768904] R13: 000055c6a90e72a0 R14: 000055c6a8f07600 R15: 000055c6a90e1ea0 [ 9409.776732] </TASK> Notice: 1, nfs server: kernel 6.6.54 pnfs optin in the service side /etc/exports. Best Regards Wang Yugui (wangyugui@xxxxxxxxxxxx) 2024/10/08
