It is possible to hit the sysctl vm.max_map_count limit when the
coroutine pool size becomes large. Each coroutine requires two mappings
(one for the stack and one for the guard page). QEMU can crash with
"failed to set up stack guard page" or "failed to allocate memory for
stack" when this happens
On Tue, Mar 12, 2024 at 11:12:04AM -0400, Stefan Hajnoczi wrote:
> It is possible to hit the sysctl vm.max_map_count limit when the
> coroutine pool size becomes large. Each coroutine requires two mappings
> (one for the stack and one for the guard page). QEMU can crash with
> "failed to set up sta
On Tue, Mar 12, 2024 at 11:12:04AM -0400, Stefan Hajnoczi wrote:
> It is possible to hit the sysctl vm.max_map_count limit when the
> coroutine pool size becomes large. Each coroutine requires two mappings
> (one for the stack and one for the guard page). QEMU can crash with
> "failed to set up sta