Messages in this thread | | | Date | Wed, 22 Apr 2009 19:48:53 +0400 | Subject | Re: 2.6.30-rc1: ioatdma: DMA-API: device driver frees DMA memory with wrong function | From | Alexander Beregalov <> |
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2009/4/22 Sosnowski, Maciej <maciej.sosnowski@intel.com>: > Alexander Beregalov wrote: >> 2009/4/17 Sosnowski, Maciej <maciej.sosnowski@intel.com>: >>> Dan Williams wrote: >>>> On Wed, Apr 15, 2009 at 5:39 AM, Alexander Beregalov >>>> <a.beregalov@gmail.com> wrote: >>>>> 2009/4/9 Alexander Beregalov <a.beregalov@gmail.com>: >>>>>> 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 >>> >>> Hi Alexander, >>> >>> Could you check if the following patch helps? >> >> Hi Maciej. >> >> No, unfortunately it does not help. The same warning message. > > Ok, I have missed to cover self_test case. > How about this one instead? >
It works! Thanks.
Reported-by: Alexander Beregalov <a.beregalov@gmail.com> Tested-by: Alexander Beregalov <a.beregalov@gmail.com> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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