[Linux-cachefs] oops when I mount nfs with -o fsc

[fanchaoting]

fanchaoting 写道:
> Hi: in nfs(RHEL6.x), i do as following. 
> #cat /etc/exports
>     /nfsroot      *(rw,no_root_squash,fsid=0,insecure)
> #mount –t nfs4 –o fsc localhost:/   /nfsmnt
> #sh create_file.sh
> 
> wait a while, i find oops.
> 
> PID: 4196   TASK: ffff88012365b580  CPU: 0   COMMAND: "sh"
>  #0 [ffff880139435750] machine_kexec at ffffffff810310db
>  #1 [ffff8801394357b0] crash_kexec at ffffffff810b63b2
>  #2 [ffff880139435880] oops_end at ffffffff814dec50
>  #3 [ffff8801394358b0] die at ffffffff8100f2fb
>  #4 [ffff8801394358e0] do_trap at ffffffff814de544
>  #5 [ffff880139435940] do_invalid_op at ffffffff8100ceb5
>  #6 [ffff8801394359e0] invalid_op at ffffffff8100bf5b
>     [exception RIP: __nfs_fscache_invalidate_page+121]
>  #7 [ffff880139435ab0] nfs_invalidate_page at ffffffffa06fff6e [nfs]
>  #8 [ffff880139435ad0] do_invalidatepage at ffffffff811243d5
>  #9 [ffff880139435ae0] truncate_inode_page at ffffffff811245f2
> #10 [ffff880139435b00] truncate_inode_pages_range at ffffffff811248f0
> #11 [ffff880139435bf0] truncate_inode_pages at ffffffff81124c05
> #12 [ffff880139435c00] truncate_pagecache at ffffffff81124c57
> #13 [ffff880139435c30] nfs_setattr_update_inode at ffffffffa07033ab [nfs]
> #14 [ffff880139435c70] nfs4_proc_setattr at ffffffffa071bb45 [nfs]
> #15 [ffff880139435cb0] nfs_setattr at ffffffffa07043e0 [nfs]
> #16 [ffff880139435cf0] notify_change at ffffffff8118e0c8
> #17 [ffff880139435d60] do_truncate at ffffffff81170a84
> #18 [ffff880139435dd0] do_filp_open at ffffffff81182ba9
> #19 [ffff880139435f20] do_sys_open at ffffffff8116f849
> #20 [ffff880139435f70] sys_open at ffffffff8116f960
> #21 [ffff880139435f80] tracesys at ffffffff8100b387 (via system_call)
>