[Xen-users] Raid6 Core Dump on FC2 with Xen 2.0.5 Kernel 2.6.10

[Michael Lang <michi+xen@xxxxxxxxxxxxxxxxxxxx>]

Hi everyone,

Xen is doing a very good job on my Machine.
IÂve started trying some new features like RAID6
and so and got following error on trying creating
a RAID6 with 5 Devices. Can someone help me out ?

$mdadm --create -l 6 -n5 -x1 /dev/Grp_02/RO{1,2,3,4,5}

md: bind<dm-15>
md: bind<dm-16>
md: bind<dm-17>
md: bind<dm-18>
md: bind<dm-19>
raid6: int32x1    753 MB/s
raid6: int32x2    899 MB/s
raid6: int32x4    591 MB/s
raid6: int32x8    591 MB/s
general protection fault: 0000 [#1]
PREEMPT
Modules linked in: raid6 vfat fat bridge ipv6 autofs4 via_rhine iptable_nat
ipt_REJECT ipt_LOG ipt_multiport ipt_state ip_conntrack iptable_filter
ip_tables sg loop xfs capability commoncap
CPU:    0
EIP:    0061:[<e0b0bb5d>]    Not tainted VLI
EFLAGS: 00011202   (2.6.10-xen0)
EIP is at raid6_mmx1_gen_syndrome+0x2d/0xe0 [raid6]
eax: da93c000   ebx: da93df38   ecx: 00000001   edx: 00000012
esi: 0000000f   edi: da93df38   ebp: d81a3000   esp: da93de90
ds: 007b   es: 007b   ss: 0069
Process modprobe (pid: 12667, threadinfo=da93c000 task=d5ad0550)
Stack: d81a2000 c01207e6 00000000 00000001 c0120505 c052bfc8 00000001 00000000
       00000000 c012056d 00000000 c01393f5 c010edde c0105ee1 ffffff88 02fb6bd1
       fbfef000 da93df38 da93c000 c01097e7 da93dee4 02fb6bd1 00000001 e0b0c310
Call Trace:
 [<c01207e6>] tasklet_action+0x56/0xa0
 [<c0120505>] __do_softirq+0x95/0xb0
 [<c012056d>] do_softirq+0x4d/0x50
 [<c01393f5>] irq_exit+0x35/0x40
 [<c010edde>] do_IRQ+0x1e/0x30
 [<c0105ee1>] evtchn_do_upcall+0x81/0xa0
 [<c01097e7>] hypervisor_callback+0x37/0x40
 [<e09cb11d>] raid6_select_algo+0xed/0x233 [raid6]
 [<e09cb008>] raid6_init+0x8/0x30 [raid6]
 [<c0134e92>] sys_init_module+0x182/0x230
 [<c0109638>] syscall_call+0x7/0xb
Code: 56 53 83 ec 74 8b 94 24 88 00 00 00 8b 9c 24 90 00 00 00 8d 72 fd 8b 44 b3
04 89 04 24 8b 6c b3 08 b8 00 e0 ff ff 21 e0 ff 40 14 <0f> 20 c0 0f 06 89 44 24
70 9b dd 74 24 04 9b 0f 6f 05 40 c7 b1
 <6>note: modprobe[12667] exited with preempt_count 2
md: personality 8 is not loaded!
md: md0 stopped.
md: unbind<dm-19>
md: export_rdev(dm-19)
md: unbind<dm-18>
md: export_rdev(dm-18)
md: unbind<dm-17>
md: export_rdev(dm-17)
md: unbind<dm-16>
md: export_rdev(dm-16)
md: unbind<dm-15>
md: export_rdev(dm-15)
md: bind<dm-15>
md: bind<dm-16>
md: bind<dm-17>
md: bind<dm-18>
md: bind<dm-19>
md: personality 8 is not loaded!
md: md0 stopped.
md: unbind<dm-19>
md: export_rdev(dm-19)
md: unbind<dm-18>
md: export_rdev(dm-18)
md: unbind<dm-17>
md: export_rdev(dm-17)
md: unbind<dm-16>
md: export_rdev(dm-16)
md: unbind<dm-15>
md: export_rdev(dm-15)
md: bind<dm-15>
md: bind<dm-16>
md: bind<dm-17>
md: bind<dm-18>
md: bind<dm-19>


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