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List:       dragonfly-bugs
Subject:    [DragonFlyBSD - Bug #3175] (In Progress) DragonFly won't boot on GCE
From:       bugtracker-admin () leaf ! dragonflybsd ! org
Date:       2019-02-15 15:05:52
Message-ID: redmine.journal-13603.20190215150552.cde4162bb7798b06 () leaf ! dragonflybsd ! org
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Issue #3175 has been updated by tuxillo.

Status changed from New to In Progress

The following parameters were used for booting with the same result, no disk found:

CAM debugging options compiled in:

options         CAMDEBUG
options         CAM_DEBUG_BUS=-1
options         CAM_DEBUG_TARGET=-1
options         CAM_DEBUG_LUN=-1
options         CAM_DEBUG_FLAGS="CAM_DEBUG_INFO|CAM_DEBUG_TRACE"
options         CAM_MAX_HIGHPOWER=4
options         SCSI_DELAY=8000 # Be pessimistic about Joe SCSI device


loader.conf has the following tunables:

dm_load="YES"
vfs.root.mountfrom="ufs:da0s2a"
hw.vtscsi.debug_level=2
hint.ehci.0.disabled=1
hint.xhci.0.disabled=1
hw.virtio.pci.disable_msix=1


----------------------------------------
Bug #3175: DragonFly won't boot on GCE
http://bugs.dragonflybsd.org/issues/3175#change-13603

* Author: tuxillo
* Status: In Progress
* Priority: Normal
* Assignee: 
* Category: Kernel
* Target version: master
----------------------------------------
Hi,

DragonFly does not detect disks when running on GCE, the virtio-scsi controller is detected tho.

Here are there storage requirements that custom images need to fulfill [1]:

SCSI Storage Controller:
Virtio-SCSI Storage Controller
vendor = 0x1AF4 (Qumranet/Red Hat)
device id = 0x1004. Subsystem ID 0x8.
SCSI Primary Commands 4 and SCSI Block Commands 3 are supported
Only one request queue is supported
Persistent disks report 4 KiB physical sectors / 512 byte logical sectors
Only block devices (disks) are supported
The Hotplug / Events feature bit is supported

See attached dmesg with CAMDEBUG enabled and virtio debug set to level 5.

[1] https://cloud.google.com/compute/docs/images/building-custom-os

---Files--------------------------------
dmesg_gce_camdebug.txt (920 KB)


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