FYI, On Thu, Aug 14, 2008 at 05:24:21PM +0200, Frank van Maarseveen wrote: > There are not many reports of this but it seems related to stopping the > NFS server. I'm seeing them occasionally on system shutdown right after > > nfsd: last server has exited > nfsd: unexporting all filesystems > > kernels: 2.6.25, 2.6.26 Add 2.6.27.3 to the list, this time with a call stack: kernel: nfsd: last server has exited, flushing export cache kernel: ------------[ cut here ]------------ kernel: WARNING: at net/ipv4/af_inet.c:154 inet_sock_destruct+0x154/0x1b0() kernel: Modules linked in: [last unloaded: vmthrottle] kernel: Pid: 3683, comm: nfsd Not tainted 2.6.27.3-x193 #1 kernel: [<c0612335>] ? printk+0x18/0x1b kernel: [<c0143144>] warn_on_slowpath+0x54/0x80 kernel: [<c0197adc>] ? slab_pad_check+0x3c/0x120 last message repeated 2 times kernel: [<c0197ff8>] ? check_object+0xd8/0x200 kernel: [<c0594304>] inet_sock_destruct+0x154/0x1b0 kernel: [<c0528498>] ? sk_common_release+0x28/0xb0 kernel: [<c05283a6>] sk_free+0x16/0xe0 kernel: [<c052850f>] sk_common_release+0x9f/0xb0 kernel: [<c058aeb8>] udp_lib_close+0x8/0x10 kernel: [<c0593d46>] inet_release+0x36/0x60 kernel: [<c0525a1b>] sock_release+0x1b/0x80 kernel: [<c0525aa1>] sock_close+0x21/0x40 kernel: [<c019e5be>] __fput+0xbe/0x180 kernel: [<c019e69f>] fput+0x1f/0x30 kernel: [<c05e0684>] svc_sock_free+0x24/0x60 kernel: [<c0614d75>] ? _spin_unlock_bh+0x25/0x30 kernel: [<c05eb273>] svc_xprt_free+0x33/0x50 kernel: [<c05eb240>] ? svc_xprt_free+0x0/0x50 kernel: [<c02bf78d>] kref_put+0x2d/0x70 kernel: [<c05ea5d8>] svc_close_xprt+0x48/0x60 kernel: [<c05ea643>] svc_close_all+0x53/0x70 kernel: [<c05dfba8>] svc_destroy+0x58/0x150 kernel: [<c05dfd31>] ? svc_exit_thread+0x91/0xb0 kernel: [<c05dfd40>] svc_exit_thread+0xa0/0xb0 kernel: [<c02446ad>] nfsd+0x23d/0x2a0 kernel: [<c0244470>] ? nfsd+0x0/0x2a0 kernel: [<c01576bc>] kthread+0x3c/0x70 kernel: [<c0157680>] ? kthread+0x0/0x70 kernel: [<c011d96b>] kernel_thread_helper+0x7/0x1c kernel: ======================= kernel: ---[ end trace c639dded2f02505e ]--- kernel: Kernel logging (proc) stopped. -- Frank -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html