On 02/25/2016 08:42 PM, Bruce Ashfield wrote:
On Thu, Feb 25, 2016 at 5:36 AM, Robert Yang <liezhi.y...@windriver.com
<mailto:liezhi.y...@windriver.com>> wrote:
Hi Bruce and Darren,
We need enable target kernel's CONFIG_SCSI_VIRTIO=y to make native qemu
can boot hdddirect, vmdk, qcow2 and vdi, otherwise, the scsi drive can't
work in qemu since our vm image's root default to /dev/sda2, or we can
change it default to /dev/hda2, then we don't have to make any changes
on kernel, but I prefer scsi since ide is going to be out of date.
The IDE fragment was on for compatibility reasons, but we dropped that
compatibility about a year ago. I was under the impression that we had
fully dropped all the IDE fragments.
I've tried to enable it by menuconfig, it works well, would you please
enable it by default ?
Send a patch to the linux-yocto mailing list to change the virtio configuration
fragment.
You are already set up to test it out, so it is much easier.
I don't see why this shouldn't follow the normal patch flow for configuration
frag changes.
Sorry, the problem was that I didn't know how to send patch for yocto kernel:-).
I will send the patch to linux-yocto.
// Robert
Cheers,
Bruce
$ diff .config.old .config -Nur
--- .config.old 2016-02-25 01:04:25.816381913 -0800
+++ .config 2016-02-25 01:16:31.332232759 -0800
@@ -1479,7 +1479,7 @@
# CONFIG_SCSI_DEBUG is not set
# CONFIG_SCSI_PMCRAID is not set
# CONFIG_SCSI_PM8001 is not set
-# CONFIG_SCSI_VIRTIO is not set
+CONFIG_SCSI_VIRTIO=y
# CONFIG_SCSI_DH is not set
# CONFIG_SCSI_OSD_INITIATOR is not set
CONFIG_ATA=y
$ du bzImage bzImage_new
6752 bzImage
6756 bzImage_new
It nearly has no impact on the size.
--
Thanks
Robert
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