Author: Giuseppe D'Angelo Date: To: Zoltán Herczeg CC: pcre-dev Subject: Re: [pcre-dev] Release candidate for 10.10
On 26 February 2015 at 12:39, Zoltán Herczeg <hzmester@???> wrote: > The message "bus error" is also interesting, not the usual "segmentation fault". I don't know this error, but according to wikipedia, a bus error is a fault raised by hardware when a process is trying to access memory that the CPU cannot physically address.
It's also raised in some "more common" scenarios, such as misaligned
memory access, or access beyond the end of a memory-mapped file. Maybe
qemu is allowing an unaligned access that the native CPU would
disallow for some reason. If I'm not mistaken, delivery of SIGBUS is
also synchronous, so getting a backtrace and a register dump at the
crash site should help.
