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Bug 1222136 - VM's won't boot from USB 3 ports
Summary: VM's won't boot from USB 3 ports
Keywords:
Status: CLOSED WONTFIX
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: qemu-kvm
Version: 6.6
Hardware: x86_64
OS: Linux
unspecified
medium
Target Milestone: rc
: ---
Assignee: Gerd Hoffmann
QA Contact: Virtualization Bugs
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2015-05-15 20:56 UTC by Todd
Modified: 2015-05-18 08:14 UTC (History)
8 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2015-05-18 06:51:34 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)

Description Todd 2015-05-15 20:56:44 UTC 
Dear Red Hat,

I am coming from the community: Scientific Linux 6.6, x64

I can not boot a VM from a USB 3 Flash Drive (stick) when is inserted into my USB 3 controller:

$ lspci | grep -i usb
...
09:00.0 USB controller: Renesas Technology Corp. uPD720202 USB 3.0 Host Controller (rev 02)

Moving the stick to one of my USB 2 controllers, un-mapping and re-mapping the stick in virt-mamager and the problem is solved.

Many thanks,
-T
Comment 3 Todd 2015-05-15 23:19:38 UTC 
(In reply to Todd from comment #0)

> $ lspci | grep -i usb
> ...
> 09:00.0 USB controller: Renesas Technology Corp. uPD720202 USB 3.0 Host
> Controller (rev 02)

Specifically, this is a Star Tech PCIUSB3S22, 2 Port PCI SuperSpeed USB 3.0 
Adapter Card with SATA Power
Comment 4 Todd 2015-05-15 23:26:32 UTC 
Just got confirmed from Star Tech that this card is not bootable, so this may not even be a bug.  It depends on is qemm-kvm required that the hardware be bootable or not.  Be nice it it did not.  Maybe this should be an RFE
Comment 5 Gerd Hoffmann 2015-05-18 06:51:34 UTC 
(In reply to Todd from comment #4)
> Just got confirmed from Star Tech that this card is not bootable, so this
> may not even be a bug.  It depends on is qemm-kvm required that the hardware
> be bootable or not.  Be nice it it did not.  Maybe this should be an RFE

Short answer: Try RHEL-7 (or scientific linux version of that).

Long answer:

There is no usb3 support in RHEL-6, and that isn't going to change.  Closing.

Target for RFE's is RHEL-7.  Should things not work on RHEL-7 feel free to file a RFE (or reopen this bug & move to RHEL-7).

Whenever the usb3 pci card is bootable or not doesn't matter at all (unless you pci-assign host controller to the guest).  Problem most likely is that some quirks must be applied to the usb descriptors when attaching a usb3 device to the guests usb2 controller.  On RHEL-7 those quirks are present and there also is a virtual xhci (usb3) controller you can use instead of ehci (usb2) for better compatibility with usb3 devices.
Comment 6 Todd 2015-05-18 08:14:48 UTC 
(In reply to Gerd Hoffmann from comment #5)
> (In reply to Todd from comment #4)
> > Just got confirmed from Star Tech that this card is not bootable, so this
> > may not even be a bug.  It depends on is qemm-kvm required that the hardware
> > be bootable or not.  Be nice it it did not.  Maybe this should be an RFE
> 
> Short answer: Try RHEL-7 (or scientific linux version of that).

Tried SL7.  I liked it a lot.  But I had to rip it out as it does not support Wine 32, which is a complete and total deal killer.  Total pity, as I thought EL 7 was really sweet, although useless as a workstation.

> Long answer:
> 
> There is no usb3 support in RHEL-6, and that isn't going to change.  Closing.
> 
> Target for RFE's is RHEL-7.  Should things not work on RHEL-7 feel free to
> file a RFE (or reopen this bug & move to RHEL-7).
> 
> Whenever the usb3 pci card is bootable or not doesn't matter at all (unless
> you pci-assign host controller to the guest).  Problem most likely is that
> some quirks must be applied to the usb descriptors when attaching a usb3
> device to the guests usb2 controller.  On RHEL-7 those quirks are present
> and there also is a virtual xhci (usb3) controller you can use instead of
> ehci (usb2) for better compatibility with usb3 devices.

Well, hopefully those actually able to upgrade to RHEL 7 will benefit from this.

Thank you for considering it.

-T
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