On Mon, 2006-08-28 at 22:13 -0400, Amos Waterland wrote:
> Using tip of tree xen.hg and linux.hg, I get this when launching a domU:
>  
> Freeing initrd memory: 3141k freed
> Bad page state in process 'swapper'
> page:c00000000075d000 flags:0x0000100000080000 mapping:0000000000000000 
> mapcount
> :0 count:0
> Trying to fix it up, but a reboot is needed
> Backtrace:
> Call Trace:
> [C00000000081BBA0] [C00000000000F844] .show_stack+0x54/0x1f0 (unreliable)
> [C00000000081BC50] [C000000000094B60] .bad_page+0x70/0xd0
> [C00000000081BCD0] [C00000000009574C] .free_hot_cold_page+0x1fc/0x210
> [C00000000081BD70] [C0000000000332BC] .free_initrd_mem+0x10c/0x150
> [C00000000081BE10] [C0000000004F08F0] .free_initrd+0x70/0x130
> [C00000000081BEB0] [C0000000000092D8] .init+0x168/0x430
> [C00000000081BF90] [C000000000028F54] .kernel_thread+0x4c/0x68
> 
> The domU completes its boot fine and I am able to run programs etc.
> 
> I'm using the dom1 config that Jimi published earlier.

Hmm, I'm not sure what could cause this.

How reproducible is it? Does it only happen once per domU boot? Always
the same address/backtrace? Generally speaking, how old were the builds
you were using before (one day old? one week old?)?

-- 
Hollis Blanchard
IBM Linux Technology Center


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