Re: /usr/bin/m4: internal error detected
Andreas Schwab <[email protected]>
| Newsgroups | gmane.comp.lib.glibc.alpha,gmane.comp.gnu.m4.bugs,gmane.linux.debian.ports.superh,gmane.comp.emulators.qemu |
|---|---|
| Message-ID | <[email protected]> |
On Dez 01 2017, John Paul Adrian Glaubitz <[email protected]> wrote: > This isn't a bug in m4 or anything architecture-specific, it's a regression > that was introduced by an upstream change in glibc [1] and mainly affects > qemu-user which we are using for m68k and sh4 [2]. It's a bug in qemu-linux-user, which ignores CLONE_VFORK, turning vfork into fork. This breaks the expected semantics of vfork (VM sharing and blocking the child until exec). Andreas. -- Andreas Schwab, [email protected] GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different."