Bug#723180: Double fault when single-stepping compat task with PREEMPT_RT

2013-12-15 Thread Sebastian Andrzej Siewior
On 09/25/2013 03:24 PM, Ben Hutchings wrote: > On Tue, 2013-09-24 at 13:43 -0700, Brian Silverman wrote: [...] >> I got down to a really simple program that reproduces this bug: >> >> >> #include #include int main() { // I've >> tried SYS_getpid, SYS_write, and SYS_read here too. >> syscall(SY

Bug#723180: Double fault when single-stepping compat task with PREEMPT_RT

2013-09-25 Thread Ben Hutchings
On Tue, 2013-09-24 at 13:43 -0700, Brian Silverman wrote: [...] > I got down to a really simple program that reproduces this bug: > > > #include > #include > int main() { > // I've tried SYS_getpid, SYS_write, and SYS_read here too. > syscall(SYS_gettid); > } > > > Any syscall I put in th