From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marek =?utf-8?Q?Marczykowski-G=C3=B3recki?= Subject: Re: [BUG] pci-passthrough generates "xen:events: Failed to obtain physical IRQ" for some devices Date: Mon, 8 Feb 2016 18:39:17 +0100 Message-ID: <20160208173917.GD24446@mail-itl> References: <20160127183005.GB3134@char.us.oracle.com> <1454323426.28781.73.camel@citrix.com> <20160201145053.GA21826@char.us.oracle.com> <20160203142230.GC24446@mail-itl> <20160203152657.GE20732@char.us.oracle.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============7742229939524649010==" Return-path: In-Reply-To: <20160203152657.GE20732@char.us.oracle.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Konrad Rzeszutek Wilk Cc: Tommi Airikka , Ian Campbell , 810379@bugs.debian.org, xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org --===============7742229939524649010== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="KdquIMZPjGJQvRdI" Content-Disposition: inline --KdquIMZPjGJQvRdI Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Feb 03, 2016 at 10:26:58AM -0500, Konrad Rzeszutek Wilk wrote: > On Wed, Feb 03, 2016 at 03:22:30PM +0100, Marek Marczykowski-G=C3=B3recki= wrote: > > On Mon, Feb 01, 2016 at 09:50:53AM -0500, Konrad Rzeszutek Wilk wrote: > > > > The second bullet looks at first pretty interesting from this PoV, > > > > see=C2=A0http://xenbits.xen.org/xsa/advisory-157.html=C2=A0for info= on the XSA and > > > > the various patches. Konrad is on the CC already so hopefully he ha= s some > > > > ideas. > > >=20 > > > Thanks. I will try to reproduce this with the upstream kernel first as > > > those patches are there. > >=20 > > According to one Qubes OS user report[1], the bug was introduced between > > version, which differs only by XSA-155 patches (including one for > > pciback), especially not XSA-157.=20 > > Maybe on some code path, some value is not copied back to pdev->sh_info= ->op? >=20 > I found two bugs (attached the draft not-compiled patches). Upstream > wise I seem to be tripping over another issue. >=20 > There is also some more work required in there to fix the MSI-x enable op. What exactly do you have in mind here? That four patches in your next email? Or something not yet fixed? --=20 Best Regards, Marek Marczykowski-G=C3=B3recki Invisible Things Lab A: Because it messes up the order in which people normally read text. Q: Why is top-posting such a bad thing? --KdquIMZPjGJQvRdI Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQEcBAEBCAAGBQJWuNLEAAoJENuP0xzK19csYN4H/0A/KOYP/5FzlocoFhOuxKJY 11v5nZ9uScNkclO8w7ihjkNanlMfqM1tRyIqCu9Kq2jTc969/BNZC5998zrDLu+o wlFpbqa8SrxBZtuIcUXNAkRXBRAJZ9VuHeqnJNIEwzpJULpUTEZEqP8ld0S7DnIa 4KIocjRtWF16m68OxroxRJ2JLt7CPZxnr8BXddy4mh2n08IouPT0MLOKNfGDCgVe zBU/SOfYynhAWBF4etmnLr6wbOdVb6X4rLbrHNKPaMBHdPurKW+XWb3nUS53tv1Y 33tRRKo823lPCYXGafWNiUEKl2lJAbycHS49D4LpKcP/EvdreuJEtgIBVKCaFvE= =A4hl -----END PGP SIGNATURE----- --KdquIMZPjGJQvRdI-- --===============7742229939524649010== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel --===============7742229939524649010==--