Qemu supports only 4 emulated IDE disks, when given more (or with higher
indexes), it will fail to start. Since the disks can still be accessible
using PV interface, just ignore emulated path and log a warning, instead
of rejecting the configuration altogether.
Signed-off-by: Marek Marczykowski-Górecki <marma...@invisiblethingslab.com>
---
tools/libxl/libxl_dm.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/tools/libxl/libxl_dm.c b/tools/libxl/libxl_dm.c
index 43af31b..89eca1e 100644
--- a/tools/libxl/libxl_dm.c
+++ b/tools/libxl/libxl_dm.c
@@ -1871,6 +1871,13 @@ static int libxl__build_device_model_args_new(libxl__gc
*gc,
}
if (disks[i].is_cdrom) {
+ if (disk > 4) {
+ LOGD(WARN, guest_domid, "Emulated CDROM can be only one of
the first 4 disks.\n"
+ "Disk %s will be available via PV drivers but not as
an "
+ "emulated disk.",
+ disks[i].vdev);
+ continue;
+ }
drive = libxl__sprintf(gc,
"if=ide,index=%d,readonly=on,media=cdrom,id=ide-%i",
disk, dev_number);
@@ -1948,6 +1955,10 @@ static int libxl__build_device_model_args_new(libxl__gc
*gc,
&disks[i],
colo_mode);
} else {
+ LOGD(WARN, guest_domid, "Only 4 emulated IDE disks are
supported.\n"
+ "Disk %s will be available via PV drivers but not as
an "
+ "emulated disk.",
+ disks[i].vdev);
continue; /* Do not emulate this disk */
}
--
git-series 0.9.1
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xenproject.org
https://lists.xenproject.org/mailman/listinfo/xen-devel
