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[Dazuko-help] dazukofs with smbfs failed


From: 冯小平
Subject: [Dazuko-help] dazukofs with smbfs failed
Date: Fri, 8 Jan 2010 03:04:53 +0800

After I used dazukofs-3.1.2 to mount on a directory of smbfs (mounted it before dazukofs start), it's failed after a few "ls" "vim xx" commands. the dmesg info is:
anyone can help ?thanks a lot.

[  749.309420] dazukofs: loaded, version=3.1.2
[  782.999490] CIFS: Unknown mount option unix
[  832.675699] BUG: unable to handle kernel NULL pointer dereference at 0000001d
[  832.676261] IP: [<f4652619>] cifs_lookup+0x79/0x480 [cifs]
[  832.676657] *pdpt = 0000000032026001 *pde = 0000000000000000
[  832.677100] Oops: 0000 [#1] SMP
[  832.677396] last sysfs file: /sys/kernel/uevent_seqnum
[  832.677724] Modules linked in: nls_cp437 cifs dazukofs snd_ens1371 gameport snd_rawmidi snd_seq_device snd_ac97_codec ac97_bus snd_pcm iptable_filter snd_timer ip_tables x_tables snd soundcore snd_page_alloc psmouse serio_raw ppdev parport_pc i2c_piix4 intel_agp lp shpchp parport agpgart pcnet32 mii floppy mptspi mptscsih mptbase scsi_transport_spi
[  832.680949]
[  832.681066] Pid: 1922, comm: ls Not tainted (2.6.31-14-generic-pae #48-Ubuntu) VMware Virtual Platform
[  832.682429] EIP: 0062:[<f4652619>] EFLAGS: 00010246 CPU: 1
[  832.683176] EIP is at cifs_lookup+0x79/0x480 [cifs]
[  832.683882] EAX: 00000005 EBX: f1cffdd0 ECX: f1cffe2c EDX: 00000005
[  832.684666] ESI: f1552030 EDI: 00000000 EBP: f25cbd84 ESP: f25cbd48
[  832.685479]  DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 006a
[  832.686311] Process ls (pid: 1922, ti=f25ca000 task=f2d8a5b0 task.ti=f25ca000)
[  832.687557] Stack:
[  832.688104]  c01fcd2e f1cffda4 00000084 000000d0 00000088 f1530e58 f2ad0300 00000004
[  832.689271] <0> f25cbd84 00000000 00000000 00000e58 f4667500 fffffff4 f1cffdd0 f25cbda4
[  832.690921] <0> c01f4935 f25cbd94 f1552030 00000000 f1530e58 f1cffda4 f25cbdb4 f25cbdcc
[  832.693008] Call Trace:
[  832.693582]  [<c01fcd2e>] ? d_alloc+0x1e/0x190
[  832.694266]  [<c01f4935>] ? __lookup_hash+0xc5/0x110
[  832.694983]  [<c01f4afc>] ? lookup_one_len+0x5c/0x90
[  832.695700]  [<c01fcd2e>] ? d_alloc+0x1e/0x190
[  832.696385]  [<f44e901a>] ? dazukofs_lookup+0x4a/0x1a0 [dazukofs]
[  832.697165]  [<c01fce47>] ? d_alloc+0x137/0x190
[  832.697853]  [<c01f30f7>] ? real_lookup+0xb7/0x110
[  832.698560]  [<c01f484d>] ? do_lookup+0x8d/0xb0
[  832.699249]  [<c01f51f4>] ? __link_path_walk+0x584/0xb90
[  832.699984]  [<c01fc46d>] ? dput+0xdd/0x130
[  832.700808]  [<f46639e0>] ? cifs_filldir+0x1a0/0x360 [cifs]
[  832.701561]  [<c012660c>] ? vmi_set_pte+0x1c/0x30
[  832.702260]  [<c01f5991>] ? path_walk+0x41/0x90
[  832.702951]  [<c01f5a31>] ? do_path_lookup+0x51/0x90
[  832.703661]  [<c01f654c>] ? user_path_at+0x3c/0x70
[  832.704363]  [<c012660c>] ? vmi_set_pte+0x1c/0x30
[  832.705064]  [<c01eebd5>] ? vfs_fstatat+0x35/0x70
[  832.705760]  [<c01eec6b>] ? vfs_lstat+0x1b/0x20
[  832.706447]  [<c01eec84>] ? sys_lstat64+0x14/0x30
[  832.707148]  [<c0578b0b>] ? do_page_fault+0x19b/0x380
[  832.707864]  [<c01f8e88>] ? sys_getdents64+0x98/0xc0
[  832.708574]  [<c0103283>] ? sysenter_do_call+0x12/0x28
[  832.709295] Code: 2a 8b 53 24 85 d2 74 23 8b 4b 28 31 c0 80 39 5c 75 12 e9 3b 01 00 00 8d 76 00 80 3c 01 5c 0f 84 2e 01 00 00 83 c0 01 39 d0 72 ef <f6> 47 1d 04 8d 76 00 0f 85 92 02 00 00 89 d8 e8 b3 f4 ff ff 85
[  832.714327] EIP: [<f4652619>] cifs_lookup+0x79/0x480 [cifs] SS:ESP 006a:f25cbd48
[  832.715793] CR2: 000000000000001d
[  832.716491] ---[ end trace 72b229a10b18deb5 ]---



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