Re: qemu user mode fails to run programs with large VM / built with address sanitizer (was: Re: [PATCH v4 4/4] meson: Warn when TCI is selected but TCG backend is available)

[Richard Henderson]

On 1/27/21 8:51 PM, Stefan Weil wrote:
> The problem occurred with a locally built tesseract, but I now found that it 
> is
> more general.
> 
> Any program which was compiled with address sanitizer uses huge virtual memory
> (TB) right at the start. QEMU user mode tries to allocate that memory until it
> is killed by the Linux kernel OOM handler.

Yes, we have an open bug for that.  It is not a trivial problem.

https://bugs.launchpad.net/qemu/+bug/1898011


r~