Re: firefox on aarch64

[Tobias Nygren <tnn%NetBSD.org@localhost>]

On Sun, 2 Aug 2020 19:00:33 +0000
maya%NetBSD.org@localhost wrote:

>    162      1 node     CALL  mmap(0x35140000,0x7f000,PROT_NONE,0x1042<PRIVATE,NORESERVE,ANONYMOUS,ALIGN=NONE>,0xffffffff,0,0)
>    162      1 node     RET   mmap -1 errno 12 Cannot allocate memory
>    162      1 node     CALL  mmap(0x35140000,0x7f000,PROT_NONE,0x1042<PRIVATE,NORESERVE,ANONYMOUS,ALIGN=NONE>,0xffffffff,0,0)
>    162      1 node     RET   mmap -1 errno 12 Cannot allocate memory

There's no obvious reason why the kernel would ENOMEM for such a small
allocation. It is interesting that it does two consecutive failing calls
to mmap with the same hint address. Possibly race condition in the mmap
syscall?

-Tobias