On Wed, 2010-08-25 at 11:44 -0400, J. Bruce Fields wrote: > > sudo mount -t nfs4 sauron:/home/dedekind/ /mnt/sauron_home/ > > > > works fine. Any hints about how to reproduce this are welcome. > > Huh. The simple mount hits it every time for me. I'll investigate some > more. Ok, I can reproduce something which looks like memory corruption for me: FS-Cache: Netfs 'nfs' registered for caching ------------[ cut here ]------------ WARNING: at lib/list_debug.c:51 list_del+0x5e/0x8b() Hardware name: list_del corruption. next->prev should be ffff880234e4c320, but was ffff880234293290 Modules linked in: nfs lockd fscache nfs_acl auth_rpcgss sunrpc ioatdma iTCO_wdt i2c_i801 dca iTCO_vendor_support i5k_amb i2c_core [last unloaded: scsi_wait_scan] Pid: 1094, comm: mount.nfs4 Not tainted 2.6.35+ #6 Call Trace: [<ffffffff810466be>] warn_slowpath_common+0x80/0x98 [<ffffffff811e29c5>] ? percpu_counter_destroy+0x21/0x4b [<ffffffff8104676a>] warn_slowpath_fmt+0x41/0x43 [<ffffffff811e0412>] list_del+0x5e/0x8b [<ffffffff811e29ce>] percpu_counter_destroy+0x2a/0x4b [<ffffffff810b8280>] bdi_destroy+0x105/0x122 [<ffffffffa00c4a96>] nfs_free_server+0xa1/0xca [nfs] [<ffffffffa00ce6f2>] nfs4_kill_super+0x4f/0x72 [nfs] [<ffffffff810e7584>] deactivate_locked_super+0x21/0x41 [<ffffffff810e79f2>] deactivate_super+0x40/0x45 [<ffffffff810fc088>] mntput_no_expire+0xb8/0xed [<ffffffff810fc157>] release_mounts+0x9a/0xb0 [<ffffffff810fc1d7>] put_mnt_ns+0x6a/0x7b [<ffffffffa00cf2bf>] nfs_follow_remote_path+0x19a/0x296 [nfs] [<ffffffffa00cf4d7>] nfs4_try_mount+0x75/0xaf [nfs] [<ffffffffa00cf787>] nfs4_get_sb+0x276/0x2ff [nfs] [<ffffffff810e77d6>] vfs_kern_mount+0xb8/0x196 [<ffffffff810e7912>] do_kern_mount+0x48/0xe8 [<ffffffff810fd984>] do_mount+0x771/0x7e8 [<ffffffff810fda7e>] sys_mount+0x83/0xbd [<ffffffff810089c2>] system_call_fastpath+0x16/0x1b ---[ end trace df91999b0b9e95b4 ]--- -- Best Regards, Artem Bityutskiy (Артём Битюцкий) -- 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
