(Sorry about sending this directly to you, my thunderbird doesn't have a 
proper "reply to list"-feature)

[EMAIL PROTECTED] wrote:
> Currently, I have no idea what is wrong.
> I could not reproduce your problem on my linux-2.6.17.
> In order to solve this problem, will you try these things?
> - update aufs, I have updated CVS a few minuts ago.
> - mount aufs without lvm. plain ext3 or xfs.
> - check your syslog, including mount-time.
> - use aufs for a while and unmount it.
Okay, updated to 20070226 now. Syslog says nothing interesting at
mount-time:
Feb 26 06:07:44 localhost kernel: [  137.822506] aufs 20070226
Mounting with only xfs gives me the same error, /proc/mounts:
/dev/sdd1 /vault/sdd xfs rw 0 0
none /storage aufs rw,xino=/vault/sdd/.aufs.xino,br:/vault/sdd=rw 0 0

When you say 'a while', how long do you mean?

Here're the oops:

[  267.997133] BUG: unable to handle kernel NULL pointer dereference at
virtual address 00000000
[  267.997258]  printing eip:
[  267.997310] d0ae105e
[  267.997317] *pde = 089aa001
[  267.997371] Oops: 0002 [#1]
[  267.997420] SMP
[  267.997535] Modules linked in: aufs nfsd exportfs lockd sunrpc bridge
xfs dm_mod md_mod fuse lp pcspkr psmouse serio_raw i
2c_piix4 i2c_core floppy sg evdev shpchp pci_hotplug intel_agp agpgart
parport_pc r1000 3c59x parport r8169 mii ext3 jbd ide_
generic uhci_hcd usbcore sd_mod sata_sil libata scsi_mod ide_disk piix
generic processor fbcon tileblit font bitblit softcurs
or vesafb capability commoncap
[  267.999414] CPU:    0
[  267.999418] EIP:    0060:[<d0ae105e>]    Not tainted VLI
[  267.999425] EFLAGS: 00010286   (2.6.17-10-server #2)
[  267.999641] EIP is at aufs_umount_begin+0xe/0x50 [aufs]
[  267.999701] eax: 00000000   ebx: ce296640   ecx: d0ae1050   edx: ffff0001
[  267.999764] esi: c833e000   edi: 00000000   ebp: c833ff50   esp: c833ff3c
[  267.999825] ds: 007b   es: 007b   ss: 0068
[  267.999882] Process umount (pid: 4386, threadinfo=c833e000 task=c8d09a90)
[  267.999932] Stack: 00000000 c0187ea0 00000000 ce296640 cfd36e00
c844d86c ce296640 00000000
[  268.000310]        00000286 c8994234 00000001 00000001 00000000
b7d06000 ceeefc80 c015b236
[  268.000685]        ffffffff b7d07000 ceeefc84 c8994120 b7d07000
c899412c c833ff94 c833ff94
[  268.001061] Call Trace:
[  268.001157]  <c0187ea0> sys_umount+0x110/0x2a0  <c015b236>
do_munmap+0x186/0x1e0
[  268.001501]  <c0188047> sys_oldumount+0x17/0x20  <c0102f93>
sysenter_past_esp+0x54/0x75
[  268.001816] Code: 80 04 00 b8 ea ff ff ff 0f 45 d0 89 d0 c3 eb 0d 90
90 90 90 90 90 90 90 90 90 90 90 90 53 89 c3 e8 58 11
  00 00 ba 01 00 ff ff 90 <0f> c1 10 85 d2 0f 85 bf 10 00 00 89 d8 e8 40
11 00 00 f6 40 20
[  268.004100] EIP: [<d0ae105e>] aufs_umount_begin+0xe/0x50 [aufs]
SS:ESP 0068:c833ff3c
[  268.004269]  <1>BUG: unable to handle kernel NULL pointer dereference
at virtual address 00000000
[  268.038235]  printing eip:
[  268.038289] d0ae105e
[  268.038338] *pde = 08490001
[  268.038391] Oops: 0002 [#2]
[  268.038441] SMP
[  268.038556] Modules linked in: aufs nfsd exportfs lockd sunrpc bridge
xfs dm_mod md_mod fuse lp pcspkr psmouse serio_raw i
2c_piix4 i2c_core floppy sg evdev shpchp pci_hotplug intel_agp agpgart
parport_pc r1000 3c59x parport r8169 mii ext3 jbd ide_
generic uhci_hcd usbcore sd_mod sata_sil libata scsi_mod ide_disk piix
generic processor fbcon tileblit font bitblit softcurs
or vesafb capability commoncap
[  268.040435] CPU:    0
[  268.040439] EIP:    0060:[<d0ae105e>]    Not tainted VLI
[  268.040445] EFLAGS: 00010286   (2.6.17-10-server #2)
[  268.040660] EIP is at aufs_umount_begin+0xe/0x50 [aufs]
[  268.040722] eax: 00000000   ebx: ce296640   ecx: d0ae1050   edx: ffff0001
[  268.040784] esi: c852c000   edi: 00000000   ebp: c852df50   esp: c852df3c
[  268.040844] ds: 007b   es: 007b   ss: 0068
[  268.040901] Process umount (pid: 4391, threadinfo=c852c000 task=cfe3fa90)
[  268.040950] Stack: 00000000 c0187ea0 00000000 ce296640 cfd36e00
c844d86c ce296640 00000000
[  268.041328]        00000286 c8994234 00000001 00000001 00000000
b7cb2000 ceeefac0 c015b236
[  268.041703]        ffffffff b7cb3000 ceeefac4 c89940c4 b7cb3000
c89940d0 c852df94 c852df94
[  268.042080] Call Trace:
[  268.042178]  <c0187ea0> sys_umount+0x110/0x2a0  <c015b236>
do_munmap+0x186/0x1e0
[  268.042524]  <c0188047> sys_oldumount+0x17/0x20  <c0102f93>
sysenter_past_esp+0x54/0x75
[  268.042843] Code: 80 04 00 b8 ea ff ff ff 0f 45 d0 89 d0 c3 eb 0d 90
90 90 90 90 90 90 90 90 90 90 90 90 53 89 c3 e8 58 11
  00 00 ba 01 00 ff ff 90 <0f> c1 10 85 d2 0f 85 bf 10 00 00 89 d8 e8 40
11 00 00 f6 40 20
[  268.045117] EIP: [<d0ae105e>] aufs_umount_begin+0xe/0x50 [aufs]
SS:ESP 0068:c852df3c
[  268.045286]


Kindest regards, Jørgen.


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