Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.debian.bugs.dist > #731068

Bug#820680: xen dom0 pciback issue - pci passthrough generates "xen:events: Failed to obtain physical IRQ" in domu

Cross-posted to 2 groups.

Show all headers | View raw

[Multipart message — attachments visible in raw view] - view raw

Control: tag -1 upstream fixed-upstream
Control: fixed -1 4.5~rc7-1~exp1

On Mon, 11 Apr 2016 13:31:28 +0200 Christian Schwamborn <cs@imap.architektur.tu-darmstadt.de> wrote:
> Package: linux-image-3.16.0-4-amd64
> Version: 3.16.7-ckt25-2
> Source: linux
> Severity: important
> 
> Since a kernel update in early Januar 2016 xen pci passthrough stopped 
> working.
> There is already a bug report against the hypervisor in place (#810379) 
> and a upstream report at xenproject.org which provides patches as well 
> as at kernel.org (at least for 4.x kernel, 
> https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.20).
> The patches where created and tested against the current jessie 3.16 
> kernel and I'm currenly testing those as well - so far it looks good.
> 
> For further information on how to reproduce this issue and the patches, 
> I refer to the existing reports at:
> 
> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=810379
> http://lists.xenproject.org/archives/html/xen-devel/2016-02/msg00658.html
> 
> As those patches are accepted upstream, it should follow the debian 
> rules for beeing fixable in stable.

For future references, the patches went into 4.5-rc6 as:

commit 8d47065f7d1980dde52abb874b301054f3013602
Author: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Date:   Thu Feb 11 16:10:23 2016 -0500

    xen/pciback: Check PF instead of VF for PCI_COMMAND_MEMORY

commit d159457b84395927b5a52adb72f748dd089ad5e5
Author: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Date:   Thu Feb 11 16:10:24 2016 -0500

    xen/pciback: Save the number of MSI-X entries to be copied later.

commit 2cfec6a2f989d5c921ba11a329ff8ea986702b9b
Author: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Date:   Thu Feb 11 16:10:25 2016 -0500

    xen/pcifront: Report the errors better.

commit 4d8c8bd6f2062c9988817183a91fe2e623c8aa5e
Author: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Date:   Thu Feb 11 16:10:26 2016 -0500

    xen/pcifront: Fix mysterious crashes when NUMA locality information was extracted.

 
-- 
Ben Hutchings
It is easier to change the specification to fit the program than vice versa.

Back to linux.debian.bugs.dist | Previous | Next — Previous in thread | Find similar | Unroll thread

Thread

Bug#820680: xen dom0 pciback issue - pci passthrough generates "xen:events: Failed to obtain physical IRQ" in domu Christian Schwamborn <cs@imap.architektur.tu-darmstadt.de> - 2016-04-11 13:40 +0200
  Bug#820680: xen dom0 pciback issue - pci passthrough generates "xen:events: Failed to obtain physical IRQ" in domu Ben Hutchings <ben@decadent.org.uk> - 2016-04-14 01:10 +0200

csiph-web