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multi nodes: mmap: hang #86

Open renzhengeek opened 8 years ago

renzhengeek commented 8 years ago

ericsp21:/home/ocfs2test # cat /proc/18710/stack [] ocfs2_cluster_lock.isra.39+0x1bf/0x620 [ocfs2] [] ocfs2_inode_lock_full_nested+0x12d/0x840 [ocfs2] [] ocfs2_page_mkwrite+0x62/0x260 [ocfs2] [] do_page_mkwrite+0x69/0xb0 [] handle_pte_fault+0xf1/0x1430 [] handle_mm_fault+0x294/0x540 [] do_page_fault+0x18a/0x410 [] trace_do_page_fault+0x3c/0x120 [] async_page_fault+0x28/0x30 [] 0xffffffffffffffff

renzhengeek commented 8 years ago

ericsp22:~ # cat /proc/16929/stack [] ocfs2_cluster_lock.isra.39+0x1bf/0x620 [ocfs2] [] ocfs2_inode_lock_full_nested+0x12d/0x840 [ocfs2] [] ocfs2_inode_lock_with_page+0x51/0x70 [ocfs2] [] ocfs2_readpage+0x45/0x2c0 [ocfs2] [] filemap_fault+0x252/0x420 [] ocfs2_fault+0x2c/0xc0 [ocfs2] [] __do_fault+0x61/0xd0 [] handle_pte_fault+0xaf7/0x1430 [] handle_mm_fault+0x294/0x540 [] do_page_fault+0x18a/0x410 [] trace_do_page_fault+0x3c/0x120 [] async_page_fault+0x28/0x30 [] 0xffffffffffffffff

renzhengeek commented 8 years ago

ericsp23:~ # pgrep -fl mmap 16723 multi_mmap 17971 tail 19873 tail ericsp23:~ # cat /proc/16723/stack [] exit_to_usermode_loop+0x3f/0xc2 [] syscall_return_slowpath+0x85/0xa0 [] int_ret_from_sys_call+0x25/0x8f [] 0xffffffffffffffff ericsp23:~ # cat /proc/17971/stack [] __ocfs2_cluster_lock.isra.39+0x1bf/0x620 [ocfs2] [] ocfs2_inode_lock_full_nested+0x12d/0x840 [ocfs2] [] ocfs2_iop_get_acl+0x4d/0x26d [ocfs2] [] generic_permission+0x166/0x1c0 [] ocfs2_permission+0xaa/0xd0 [ocfs2] [] __inode_permission+0x56/0xb0 [] may_open+0x51/0xe0 [] path_openat+0x181/0x1310 [] do_filp_open+0x7e/0xd0 [] do_sys_open+0x129/0x200 [] entry_SYSCALL_64_fastpath+0x12/0x6d [] 0xffffffffffffffff