Hi.

I met a system halt and HDD failure notice with the following messages.
The exact HDD was healthy in another computer.
Would you tell me what was the cause of system hault?

--------------------------- the messages -------------------------------------------------------

Aug 17 09:28:36 dss kernel: Total swap = 4194296kB

Aug 17 09:28:36 dss kernel: Free swap = 4183172kB

Aug 17 09:28:36 dss kernel: Swap cache: add 2940, delete 2940, find 31/48, race 0+0

Aug 17 09:28:36 dss kernel: HighMem: empty

Aug 17 09:28:36 dss kernel: Normal: 9*4kB 0*8kB 0*16kB 2*32kB 0*64kB 1*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 228kB

Aug 17 09:28:36 dss kernel: DMA32: 46*4kB 0*8kB 0*16kB 1*32kB 0*64kB 1*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 2*4096kB = 8536kB

Aug 17 09:28:36 dss kernel: DMA: 3*4kB 4*8kB 1*16kB 3*32kB 3*64kB 2*128kB 1*256kB 0*512kB 0*1024kB 0*2048kB 2*4096kB = 9052kB

Aug 17 09:28:36 dss kernel: lowmem_reserve[]: 0 0 0 0

Aug 17 09:28:36 dss kernel: HighMem free:0kB min:128kB low:128kB high:128kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no

Aug 17 09:28:36 dss kernel: lowmem_reserve[]: 0 0 0 0

Aug 17 09:28:36 dss kernel: Normal free:228kB min:508kB low:632kB high:760kB active:57160kB inactive:169748kB present:258560kB pages_scanned:0 all_unreclaimable? no

Aug 17 09:28:36 dss kernel: lowmem_reserve[]: 0 0 252 252

Aug 17 09:28:36 dss kernel: DMA32 free:8536kB min:7592kB low:9488kB high:11388kB active:408144kB inactive:3241628kB present:3857312kB pages_scanned:128 all_unreclaimable? no

Aug 17 09:28:36 dss kernel: lowmem_reserve[]: 0 3766 4019 4019

Aug 17 09:28:36 dss kernel: DMA free:9052kB min:16kB low:20kB high:24kB active:0kB inactive:0kB present:8588kB pages_scanned:0 all_unreclaimable? yes

Aug 17 09:28:36 dss kernel: Active:116326 inactive:852844 dirty:410712 writeback:1779 unstable:0 free:4454 slab:35592 mapped:14521 pagetables:264

Aug 17 09:28:36 dss kernel: Free pages: 17816kB (0kB HighMem)

Aug 17 09:28:36 dss kernel: HighMem per-cpu: empty

Aug 17 09:28:36 dss kernel: cpu 1 cold: high 30, batch 7 used:23

Aug 17 09:28:36 dss kernel: cpu 1 hot: high 90, batch 15 used:9

Aug 17 09:28:36 dss kernel: cpu 0 cold: high 30, batch 7 used:23

Aug 17 09:28:36 dss kernel: cpu 0 hot: high 90, batch 15 used:10

Aug 17 09:28:36 dss kernel: Normal per-cpu:

Aug 17 09:28:36 dss kernel: cpu 1 cold: high 62, batch 15 used:51

Aug 17 09:28:36 dss kernel: cpu 1 hot: high 186, batch 31 used:26

Aug 17 09:28:36 dss kernel: cpu 0 cold: high 62, batch 15 used:48

Aug 17 09:28:36 dss kernel: cpu 0 hot: high 186, batch 31 used:13

Aug 17 09:28:36 dss kernel: DMA32 per-cpu:

Aug 17 09:28:36 dss kernel: cpu 1 cold: high 0, batch 1 used:0

Aug 17 09:28:36 dss kernel: cpu 1 hot: high 0, batch 1 used:0

Aug 17 09:28:36 dss kernel: cpu 0 cold: high 0, batch 1 used:0

Aug 17 09:28:36 dss kernel: cpu 0 hot: high 0, batch 1 used:0

Aug 17 09:28:36 dss kernel: DMA per-cpu:

Aug 17 09:28:36 dss kernel: <ffffffff80209b5a>{system_call+126}

Aug 17 09:28:36 dss kernel: <ffffffff8028a0a1>{vfs_ioctl+449} <ffffffff8028a13a>{sys_ioctl+106}

Aug 17 09:28:36 dss kernel: <ffffffff80275231>{__dentry_open+257} <ffffffff80289dae>{do_ioctl+110}

Aug 17 09:28:36 dss kernel: <ffffffff8027f962>{chrdev_open+370} <ffffffff8027f7f0>{chrdev_open+0}

Aug 17 09:28:36 dss kernel: <ffffffff803d5d12>{kobject_get+18} <ffffffff8027f745>{cdev_get+69}

Aug 17 09:28:36 dss kernel: <ffffffff80210f74>{dma_alloc_coherent+116} <ffffffff8803ad8c>{:3w_9xxx:twa_chrdev_ioctl+236 }

Aug 17 09:28:36 dss kernel: Call Trace: <ffffffff80259c88>{__alloc_pages+664} <ffffffff80210eb7>{dma_alloc_pages+55}

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