On 2017-05-18 17:37, Rob Landley wrote: > > > On 05/18/2017 02:00 PM, Aurelien Jarno wrote: > > On 2017-05-18 11:08, Rob Landley wrote: > >> Serial input hangs after the first character in the 4.11 kernel: > >> > >> http://www.spinics.net/lists/linux-sh/msg51183.html > >> > >> Because they enabled support for a buffer size thing QEMU doesn't > >> emulate right: > >> > >> http://www.spinics.net/lists/linux-sh/msg51189.html > > > > Indeed the SCIF emulation in QEMU is quite limited. The problem is that > > it exposes many internal states to the software (and that's the same for > > the SH4 CPU in general), and that's not really compatible with quick > > emulation. In that case the timer should depend on the baud rate which > > we don't really emulate. > > > > I'll try to have a look, that said my test environment is stuck with > > kernel 4.8 due to the broken futex support on UP in kernel 4.9 (and > > that's not QEMU specific). I'll try to build a more recent kernel with > > additional patches. > > I thought Rich fixed that. Rich? >
I have sent a patch already, but TTBOMK it hasn't been applied yet. Aurelien -- Aurelien Jarno GPG: 4096R/1DDD8C9B aurel...@aurel32.net http://www.aurel32.net