Re: ndctl cxl test suite fails in arm64 QEMU

[Marc Herbert <Marc.Herbert@linux.intel.com>]

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+=(