Messages in this thread | | | Date | Mon, 28 Jan 2013 19:27:14 -0700 | Subject | Re: [PATCH v7u1 26/31] x86: Don't enable swiotlb if there is not enough ram for it | From | Shuah Khan <> |
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On Thu, Jan 24, 2013 at 2:50 PM, Yinghai Lu <yinghai@kernel.org> wrote: > On Thu, Jan 24, 2013 at 11:22 AM, Shuah Khan <shuahkhan@gmail.com> wrote: >>> >>> I still have the AMD system I tested earlier versions of this work. I >>> started compiles with these patches on 3.7 and will let you know the >>> status. >> >> Tested 3.8-rc4 with the patches on AMD system with IOMMU on. Looks >> good. I can't test low memory paths on this system very easily without >> mucking with the code and force it treat it as low memory. So I just >> tested the normal path. My main goal was to make sure AMD iommu driver >> can still enable switolb and it does. > > good. > >> >> If you would like to me test the error cases, please let me know. > > please check > git://git.kernel.org/pub/scm/linux/kernel/git/yinghai/linux-yinghai.git > for-x86-boot > > and boot your test setups with memmap=4095$1M > > Thanks > > Yinghai
Yinghai,
Your for-x86-boot git boots on AMD system I have. However, with memmap=4095$1M option, it panics very early in boot. I don't have physical access to the console and I will try to get you the panic information tomorrow.
-- Shuah
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