After upgrading to 11.04 began having this problem. After a segfault, any further attempted operations on the mounted volume hang. Reboot is required to remove the stuck process.
Debugging Information Follows: Aug 16 15:26:20 little-sister kernel: [ 4237.115189] ------------[ cut here ]------------ Aug 16 15:26:20 little-sister kernel: [ 4237.115754] kernel BUG at /build/buildd/linux-2.6.38/fs/dcache.c:2134! Aug 16 15:26:20 little-sister kernel: [ 4237.116253] invalid opcode: 0000 [#2] SMP Aug 16 15:26:20 little-sister kernel: [ 4237.116726] last sysfs file: /sys/devices/virtual/bdi/ncpfs-3/uevent Aug 16 15:26:20 little-sister kernel: [ 4237.117205] CPU 0 Aug 16 15:26:20 little-sister kernel: [ 4237.117214] Modules linked in: nls_utf8 ncpfs ipx p8023 quota_v2 quota_tree nfsd exportfs nfs lockd fscache nfs_acl auth_rpcgss sunrpc nouveau ttm drm_kms_helper drm ppdev edac_core i2c_nforce2 parport_pc edac_mce_amd i2c_algo_bit lp k8temp video parport raid10 raid456 async_pq async_xor xor async_memcpy async_raid6_recov floppy 8139too 8139cp sata_nv raid6_pq async_tx pata_amd raid1 forcedeth raid0 multipath linear Aug 16 15:26:20 little-sister kernel: [ 4237.119769] Aug 16 15:26:20 little-sister kernel: [ 4237.120243] Pid: 4110, comm: ls Tainted: G D 2.6.38-10-server #46-Ubuntu FOXCONN MCP61M05/M61PMV Aug 16 15:26:20 little-sister kernel: [ 4237.120757] RIP: 0010:[<ffffffff81179765>] [<ffffffff81179765>] dentry_update_name_case+0x75/0x80 Aug 16 15:26:20 little-sister kernel: [ 4237.121304] RSP: 0018:ffff880042e39988 EFLAGS: 00010246 Aug 16 15:26:20 little-sister kernel: [ 4237.121895] RAX: 0000000000000001 RBX: ffff880042e39e58 RCX: ffff880053f9da80 Aug 16 15:26:20 little-sister kernel: [ 4237.122488] RDX: 0000000000000000 RSI: ffff880042e39a98 RDI: ffff880053f9da80 Aug 16 15:26:20 little-sister kernel: [ 4237.123080] RBP: ffff880042e399a8 R08: 0000000000000056 R09: ffff880053f9dac3 Aug 16 15:26:20 little-sister kernel: [ 4237.123671] R10: ffffffffa0374000 R11: ffff880042e39aa8 R12: ffff880053f9da80 Aug 16 15:26:20 little-sister kernel: [ 4237.124256] R13: ffff880042e39a98 R14: 0000000000000000 R15: ffff880042e39c58 Aug 16 15:26:20 little-sister kernel: [ 4237.124846] FS: 00007fc54e2957c0(0000) GS:ffff880077c00000(0000) knlGS:0000000000000000 Aug 16 15:26:20 little-sister kernel: [ 4237.125140] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b Aug 16 15:26:20 little-sister kernel: [ 4237.125140] CR2: 0000000001f49278 CR3: 00000000729f3000 CR4: 00000000000006f0 Aug 16 15:26:20 little-sister kernel: [ 4237.125140] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Aug 16 15:26:20 little-sister kernel: [ 4237.125140] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Aug 16 15:26:20 little-sister kernel: [ 4237.125140] Process ls (pid: 4110, threadinfo ffff880042e38000, task ffff880037135b80) Aug 16 15:26:20 little-sister kernel: [ 4237.125140] Stack: Aug 16 15:26:20 little-sister kernel: [ 4237.125140] ffff88006d495cc0 ffff880042e39e58 ffff88006d495cc0 ffff88005cde4048 Aug 16 15:26:20 little-sister kernel: [ 4237.125140] ffff880042e39be8 ffffffffa037a0bd ffff880042e39a18 ffffffff8100a777 Aug 16 15:26:20 little-sister kernel: [ 4237.125140] ffff880053f9da80 ffffffff81176c50 ffff880042e39f38 ffff880037aa7280 Aug 16 15:26:20 little-sister kernel: [ 4237.125140] Call Trace: Aug 16 15:26:20 little-sister kernel: [ 4237.125140] [<ffffffffa037a0bd>] ncp_fill_cache.clone.15+0x22d/0x660 [ncpfs] Aug 16 15:26:20 little-sister kernel: [ 4237.125140] [<ffffffff8100a777>] ? __switch_to+0x157/0x2f0 Aug 16 15:26:20 little-sister kernel: [ 4237.125140] [<ffffffff81176c50>] ? filldir+0x0/0xd0 Aug 16 15:26:20 little-sister kernel: [ 4237.125140] [<ffffffff810879c0>] ? autoremove_wake_function+0x0/0x40 Aug 16 15:26:20 little-sister kernel: [ 4237.125140] [<ffffffff8113be22>] ? map_vm_area+0x32/0x50 Aug 16 15:26:20 little-sister kernel: [ 4237.125140] [<ffffffff81038c79>] ? default_spin_lock_flags+0x9/0x10 Aug 16 15:26:20 little-sister kernel: [ 4237.125140] [<ffffffffa038293e>] ? ncp_do_request+0x15e/0x180 [ncpfs] Aug 16 15:26:20 little-sister kernel: [ 4237.125140] [<ffffffffa03836c2>] ? ncp_request2+0x52/0x90 [ncpfs] Aug 16 15:26:20 little-sister kernel: [ 4237.125140] [<ffffffffa0383839>] ? ncp_unlock_server+0x29/0x40 [ncpfs] Aug 16 15:26:20 little-sister kernel: [ 4237.125140] [<ffffffffa0381258>] ? ncp_search_for_fileset+0x1f8/0x260 [ncpfs] Aug 16 15:26:20 little-sister kernel: [ 4237.125140] [<ffffffff81176c50>] ? filldir+0x0/0xd0 Aug 16 15:26:20 little-sister kernel: [ 4237.125140] [<ffffffff81176c50>] ? filldir+0x0/0xd0 Aug 16 15:26:20 little-sister kernel: [ 4237.125140] [<ffffffffa037a7b8>] ncp_do_readdir+0x198/0x1e0 [ncpfs] Aug 16 15:26:20 little-sister kernel: [ 4237.125140] [<ffffffff81139c6d>] ? page_add_new_anon_rmap+0x8d/0xa0 Aug 16 15:26:20 little-sister kernel: [ 4237.125140] [<ffffffff8112c2c7>] ? do_anonymous_page.clone.41+0x117/0x310 Aug 16 15:26:20 little-sister kernel: [ 4237.125140] [<ffffffff812de79e>] ? radix_tree_lookup_slot+0xe/0x10 Aug 16 15:26:20 little-sister kernel: [ 4237.125140] [<ffffffff8110bc6e>] ? find_get_page+0x1e/0x90 Aug 16 15:26:20 little-sister kernel: [ 4237.125140] [<ffffffff8110bd06>] ? find_lock_page+0x26/0x80 Aug 16 15:26:20 little-sister kernel: [ 4237.125140] [<ffffffffa037b160>] ncp_readdir+0x340/0x5f0 [ncpfs] Aug 16 15:26:20 little-sister kernel: [ 4237.125140] [<ffffffff81176c50>] ? filldir+0x0/0xd0 Aug 16 15:26:20 little-sister kernel: [ 4237.125140] [<ffffffff81176c50>] ? filldir+0x0/0xd0 Aug 16 15:26:20 little-sister kernel: [ 4237.125140] [<ffffffff81176ea8>] vfs_readdir+0xb8/0xe0 Aug 16 15:26:20 little-sister kernel: [ 4237.125140] [<ffffffff81176fc5>] sys_getdents+0x85/0xf0 Aug 16 15:26:20 little-sister kernel: [ 4237.125140] [<ffffffff8100bfc2>] system_call_fastpath+0x16/0x1b Aug 16 15:26:20 little-sister kernel: [ 4237.125140] Code: 8b 7c 24 28 49 8b 75 08 e8 e9 bd 16 00 41 83 44 24 04 01 48 89 df e8 cb f4 eb ff 66 90 48 8b 5d e8 4c 8b 65 f0 4c 8b 6d f8 c9 c3 <0f> 0b 0f 0b 0f 1f 80 00 00 00 00 55 48 89 e5 48 83 ec 10 48 89 Aug 16 15:26:20 little-sister kernel: [ 4237.125140] RIP [<ffffffff81179765>] dentry_update_name_case+0x75/0x80 Aug 16 15:26:20 little-sister kernel: [ 4237.125140] RSP <ffff880042e39988> Aug 16 15:26:20 little-sister kernel: [ 4237.147715] ---[ end trace 323d2e41404cf8d2 ]--- -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/775903 Title: Crash when trying to mount NCP volumes. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ncpfs/+bug/775903/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
