Re: 2.6.30-rc1: ioatdma: DMA-API: device driver frees DMA memory with wrong function

[Dan Williams]

On Wed, Apr 15, 2009 at 5:39 AM, Alexander Beregalov
<a.beregalov@xxxxxxxxx> wrote:
> 2009/4/9 Alexander Beregalov <a.beregalov@xxxxxxxxx>:
>> ioatdma 0000:00:08.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
>> ioatdma 0000:00:08.0: setting latency timer to 64
>> ioatdma 0000:00:08.0: Intel(R) I/OAT DMA Engine found, 4 channels,
>> device version 0x12, driver version 3.64
>>  alloc irq_desc for 33 on cpu 0 node 0
>>  alloc kstat_irqs on cpu 0 node 0
>> ioatdma 0000:00:08.0: irq 33 for MSI/MSI-X
>> ------------[ cut here ]------------
>> WARNING: at lib/dma-debug.c:565 check_unmap+0x2f6/0x6a0()
>> Hardware name: PowerEdge 1950
>> ioatdma 0000:00:08.0: DMA-API: device driver frees DMA memory with
>> wrong function [device address=0x000000007f76f800] [size=2000 bytes]
>> [map
>> ped as single] [unmapped as page]
>
> The problem still persists.

Thanks for the report Alexander.  Maciej and I are looking into a fix.

Regards,
Dan
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/