On 230516 1105, Thomas Huth wrote: > While trying to use a SCSI disk on the LSI controller with an > older version of Fedora (25), I'm getting: > > qemu: warning: Blocked re-entrant IO on MemoryRegion: lsi-mmio at addr: 0x34
Do you have a gdb backtrace for this one or is there some easy way to reproduce with just a LiveCD or something? Marking mmio_io re-entrancy safe would bring back https://gitlab.com/qemu-project/qemu/-/issues/1563 Maybe there is some other workaround here? -Alex > > and the SCSI controller is not usable. Seems like we have to > disable the reentrancy checker for the MMIO region, too, to > get this working again. > > Signed-off-by: Thomas Huth <th...@redhat.com> > --- > hw/scsi/lsi53c895a.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/hw/scsi/lsi53c895a.c b/hw/scsi/lsi53c895a.c > index db27872963..048436352b 100644 > --- a/hw/scsi/lsi53c895a.c > +++ b/hw/scsi/lsi53c895a.c > @@ -2307,6 +2307,7 @@ static void lsi_scsi_realize(PCIDevice *dev, Error > **errp) > * re-entrancy guard. > */ > s->ram_io.disable_reentrancy_guard = true; > + s->mmio_io.disable_reentrancy_guard = true; > > address_space_init(&s->pci_io_as, pci_address_space_io(dev), > "lsi-pci-io"); > qdev_init_gpio_out(d, &s->ext_irq, 1); > -- > 2.31.1 >
