Where we're on the subject. Have just an old kernel-log on my nas found: BUG: unable to handle kernel NULL pointer dereference at 00000004 IP: [
] mempool_free +0 xe/0x97 * pde = 00000000 Oops: 0000 [#1] PREEMPT
Modules linked in: xfs raid456 async_xor async_memcpy async_tx xor md_mod dock container video output wmi ohci_hcd nfsd auth_rpcgss exportfs ac battery ipv6 nfs lockd nfs_acl sunrpc loop parport_pc parport floppy pcspkr rtc i2c_i801 i2c_core rng_core button intel_agp agpgart evdev ext3 jbd mbcache cbc dm_crypt crypto_blkcipher dm_mirror dm_snapshot dm_mod ide_generic ide_cd_mod cdrom ide_disk sd_mod usb_storage dc395x 3c59x mii scsi_mod piix ide_core ehci_hcd uhci_hcd usbcore thermal processor fan
Pid: 27646, comm: md0_raid5 Not tainted (2.6.25.1 #3)
EIP: 0060:[ ] EFLAGS: 00010286 CPU: 0
EIP is at mempool_free+0xe/0x97
EAX: cf5f15a0 EBX: 00000000 ECX: c15f7990 EDX: 00000000
ESI: 00000000 EDI: cf5f15a0 EBP: 00000000 ESP: cf77be20 DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068 Process md0_raid5 (pid: 27 646, ti = cf77a000 task = cf484b00 task.ti = cf77a000) Stack: ... Call Trace: [] return_io +0 x2b/0x33 [raid456] [
The bug was reproduced by the way, if you just tried on an under construction Raid5 a LUKS create containers and is then to create the file system.
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