Re: [Bug #13001] PCI-DMA: Out of IOMMU space

Grant Grundler
2009-05-05T01:58:27Z

2009/5/3 Данила Жукоцкий <optimusgd-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>:
...
> WARNING: at lib/dma-debug.c:607 check_unmap+0x542/0x610()
> Hardware name: HP xw9400 Workstation
> 3w-9xxx 0001:45:00.0: DMA-API: device driver tries to free DMA memory
> it has not allocated [device address=0x0000000000000000] [size=36
> bytes]

This is definitely a driver bug. Just follow the stack trace back to
the device driver.

thanks!
grant