On 07/28/2010 12:27 PM, Yinghai Lu wrote: >> >> Yinghai, do you have any more detail, or know who would? Also copying >> the Qlogic Infinipath maintainer email... > > when I was debug memblock with x86, found the strange crash when high/low. > then use kexec with "memtest" in command line, and the early memtest does find > some bad memory. > > then I add more print about EPT physical address for first kernel, > it does show that range is used by qla driver in first kernel. > I built all needed drivers in kernel so can pxeboot the kernel on all test platforms easily. > [Cc: Andrew Vasquez, who seems to have written the offending code, checkin df613b96077cee826b14089ae6e75eeabf71faa3.] The question is still open why this particular DMA activity was not shut down before the kexec. I'm not familiar with how non-crashdump kexec idles the hardware, but it obviously better do so. -hpa -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html