Re: ndctl cxl test suite fails in arm64 QEMU

[Itaru Kitayama <itaru.kitayama@linux.dev>]

Marc,

> On Feb 26, 2025, at 2:08, Marc Herbert <Marc.Herbert@linux.intel.com> wrote:
> 
> On 2025-02-24 20:09, Itaru Kitayama wrote:
>> 
>> Has anyone noticed the ndctl cxl test suite failures I reported below on arm64, QEMU emulation?
>> 
>> https://github.com/pmem/ndctl/issues/278
>> 
>> I’m using Jonathan’s latest CXL capable QEMU [1], and the latest CXL kernel [2].
>> 
> 
> 
> Hi,
> 
> Sorry I wanted to spend more time and share a more detailed answer and
> of course I got side-tracked.
> 
> Do you have CONFIG_RANDOMIZE_MEMORY on?
> 
> If yes then please try this either this:
> 
>  cd kernel
>  ./scripts/config -d CONFIG_RANDOMIZE_MEMORY
> 
> ... or this:
> 
> --- a/run_qemu.sh
> +++ b/run_qemu.sh
> @@ -681,6 +681,7 @@ build_kernel_cmdline()
> "initcall_debug"
> "log_buf_len=20M"
> "memory_hotplug.memmap_on_memory=force"
> + "nokaslr"
> )
> if [[ $_arg_gdb == "on" ]]; then
> kcmd+=(

I do wonder if in x86 this is enabled, some of the cxl test cases are supposed to fail?

Itaru.