这个kernel panic是怎么导致的？

hust_mb

驱动程序运行中出现下面的kernel panic，这是什么原因？



stack        c029b0de c029bf63 c7271ab8 c7191208 00000000 c029d95b c7271a68 00000001
                2001c07f  c4baf800 c3c01e90 c72aac20 c04f0590 00000082 00000008 00000000
                00000000 c4baf800 2001c07f c8a96580 c011da0d 00000082 c0430c00 000564b9
Call Trace
[<c029b0de>] freed_request+0x1e/0x90
[<c029bf63>] __blk_put_request+0x63/0xa0
[<c029d95b>] end_that_request_last+0x7b/0xd0
[<c8a96580>] stm_reply+0x440/0x6b0 [mpt_scst]
[<c011da0d>] schduler_tick+0x1d/0x3e0
[<c898b180>] mpt_interrupt+0x180/0x330 [mpt_base]
[<c0108e91>] timer_interrupt+0xb1/0x280
[<c014fc03>] handle_IRQ_evet+0x33/0x70
[<c014fd2e>] __do_IRQ+0xee/0x380
[<c0105883>] do_IRQ+0x53/0xa0
==================================
[<c0103c9e>] common_interrupt+0x1a/0x20
[<c024e13e>] acpi_processor_idle+0x10e/0x24c
[<c0103c9e>] cpu_idle+0x36/0x50
[<c0103c9e>] start_kernel+0x155/0x1b0
[<c0103c9e>] unkown_bootoption+0x0/0x200
code:       d2 a9 c8 85 c0 b8 a2 d2 a9 c8 0f 4e d0 b8 62 d8 a9 c8 89 54 24 04 89 44 24 08 c7 04
                24 9c d3 a9 c8 e8 3d c3 68 f7 e9 04 f7 ff ff  <0f> 0b d3 07 84 bb a9 c8 e9 fb f9 ff ff 8d
                74 26 00 8d bc 27 00
<0> kernel panic - not syncing : Fatal exception in interrupt.
谢谢各位帮忙分析下