netware share access crashes (ncpfs) while changing into directory

[Karl Przybilla]

Distributor ID: Ubuntu
Description: Ubuntu 11.04
Release: 11.04
Codename: natty

Linux PC-043 2.6.38-8-generic #42-Ubuntu SMP Mon Apr 11 03:31:50 UTC 2011 i686 athlon i386 GNU/Linux

snip of dmesg output below:

[ 5670.934496] ------------[ cut here ]------------
[ 5670.934889] kernel BUG at /build/buildd/linux-2.6.38/fs/dcache.c:2134!
[ 5670.935447] invalid opcode: 0000 [#1] SMP
[ 5670.935795] last sysfs file: /sys/devices/virtual/bdi/ncpfs-7/uevent
[ 5670.936337] Modules linked in: nls_utf8 ncpfs binfmt_misc ipx p8023 dm_crypt ni_pcimio(C) ni_tiocmd(C) comedi_fc(C) mite(C) 8255(C) snd_via82xx_modem i2c_viapro snd_via82xx gameport snd_ac97_codec ac97_bus snd_pcm snd_mpu401_uart snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device psmouse ppdev parport_pc shpchp serio_raw k8temp snd soundcore snd_page_alloc comedi(C) ni_tio(C) lp parport raid10 raid456 async_raid6_recov async_pq raid6_pq async_xor async_memcpy async_tx raid1 raid0 multipath linear dm_raid45 xor radeon ttm drm_kms_helper firewire_ohci drm floppy skge pata_via sata_sil firewire_core sata_via sata_promise i2c_algo_bit crc_itu_t
[ 5670.938362]
[ 5670.938362] Pid: 2035, comm: bash Tainted: G C 2.6.38-8-generic #42-Ubuntu To Be Filled By O.E.M. To Be Filled By O.E.M./A8V Deluxe
[ 5670.938362] EIP: 0060:[<c11391d4>] EFLAGS: 00210246 CPU: 0
[ 5670.938362] EIP is at dentry_update_name_case+0x64/0x70
[ 5670.938362] EAX: 00000001 EBX: efbdf500 ECX: ffffffff EDX: ea981bf4
[ 5670.938362] ESI: efbdf500 EDI: ea981bf4 EBP: ea981b8c ESP: ea981b80
[ 5670.938362] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[ 5670.938362] Process bash (pid: 2035, ti=ea980000 task=f6113280 task.ti=ea980000)
[ 5670.938362] Stack:
[ 5670.938362] ea981f30 efbdf500 00000006 ea981d10 f9423fab ea981dad 00000006 00000000
[ 5670.938362] 00000000 f5406d10 00200096 c1136ac0 ea981f90 00000000 00000014 00147d0d
[ 5670.938362] 4e1d9314 f2cac0e8 ea981bf4 00000000 00000001 efbf86b8 00000002 e8be4000
[ 5670.938362] Call Trace:
[ 5670.938362] [<f9423fab>] ncp_fill_cache.clone.14+0x1cb/0x560 [ncpfs]
[ 5670.938362] [<c1136ac0>] ? filldir64+0x0/0xf0
[ 5670.938362] [<c1006863>] ? init_8259A+0x103/0x110
[ 5670.938362] [<c105e277>] ? mod_timer+0x117/0x250
[ 5670.938362] [<c102d8c8>] ? default_spin_lock_flags+0x8/0x10
[ 5670.938362] [<c150996f>] ? _raw_spin_lock_irqsave+0x2f/0x50
[ 5670.938362] [<f942af4d>] ? ncp_req_put+0x1d/0x30 [ncpfs]
[ 5670.938362] [<f942b749>] ? do_ncp_rpc_call+0x159/0x290 [ncpfs]
[ 5670.938362] [<f942b9b0>] ? ncp_do_request+0x130/0x160 [ncpfs]
[ 5670.938362] [<f942c5b3>] ? ncp_request2+0x53/0x90 [ncpfs]
[ 5670.938362] [<f942c719>] ? ncp_unlock_server+0x29/0x40 [ncpfs]
[ 5670.938362] [<f942930d>] ? ncp_extract_file_info+0x6d/0xc0 [ncpfs]
[ 5670.938362] [<f94245c6>] ncp_do_readdir+0x186/0x1d0 [ncpfs]
[ 5670.938362] [<c1136ac0>] ? filldir64+0x0/0xf0
[ 5670.938362] [<c1136ac0>] ? filldir64+0x0/0xf0
[ 5670.938362] [<c10e7f7e>] ? get_page_from_freelist+0x12e/0x320
[ 5670.938362] [<c12752fd>] ? radix_tree_lookup_slot+0xd/0x10
[ 5670.938362] [<c10e21b2>] ? find_get_page+0x22/0x90
[ 5670.938362] [<c10e4225>] ? filemap_fault+0x105/0x430
[ 5670.938362] [<c10e8809>] ? __alloc_pages_nodemask+0xf9/0x710
[ 5670.938362] [<c10335ae>] ? kmap_atomic_prot+0xde/0x100
[ 5670.938362] [<c12752fd>] ? radix_tree_lookup_slot+0xd/0x10
[ 5670.938362] [<c10e21b2>] ? find_get_page+0x22/0x90
[ 5670.938362] [<c10e27af>] ? find_or_create_page+0x2f/0xa0
[ 5670.938362] [<f9424d8b>] ncp_readdir+0x1bb/0x570 [ncpfs]
[ 5670.938362] [<c1136ac0>] ? filldir64+0x0/0xf0
[ 5670.938362] [<c1136e0e>] vfs_readdir+0x8e/0xb0
[ 5670.938362] [<c1136ac0>] ? filldir64+0x0/0xf0
[ 5670.938362] [<c1136fba>] sys_getdents64+0x6a/0xc0
[ 5670.938362] [<c1509bf4>] syscall_call+0x7/0xb
[ 5670.938362] Code: 04 01 8b 43 1c 8b 57 08 8b 4f 04 e8 b7 1d 14 00 83 43 04 01 89 f0 e8 ac 46 ef ff 90 8b 1c 24 8b 74 24 04 8b 7c 24 08 89 ec 5d c3 <0f> 0b 0f 0b 90 8d b4 26 00 00 00 00 55 89 e5 83 ec 08 89 1c 24
[ 5670.938362] EIP: [<c11391d4>] dentry_update_name_case+0x64/0x70 SS:ESP 0068:ea981b80
[ 5671.240249] ---[ end trace 0ef9ea838e1a96e5 ]---

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: ncpfs 2.2.6-8
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic i686
Architecture: i386
Date: Mon Jul 18 17:59:13 2011
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
ProcEnviron:
 LANGUAGE=de_LI:en
 LANG=de_LI.UTF-8
 SHELL=/bin/bash
SourcePackage: ncpfs
UpgradeStatus: Upgraded to natty on 2011-06-22 (26 days ago)