From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marek =?utf-8?Q?Marczykowski-G=C3=B3recki?= Subject: Re: PV guest with PCI passthrough crash on Xen 4.8.3 inside KVM when booted through OVMF Date: Mon, 19 Feb 2018 18:29:49 +0100 Message-ID: <20180219172949.GY2084@mail-itl> References: <20180216174835.GJ4302@mail-itl> <3b6ce245-626d-a6db-b9fa-77dcf26a4ad6@citrix.com> <20180216185122.GK4302@mail-itl> <20180216195415.GK2084@mail-itl> <1f3c44fb-e557-9b5c-6e9f-2ac40a8e0562@suse.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============5345725276413107175==" Return-path: In-Reply-To: <1f3c44fb-e557-9b5c-6e9f-2ac40a8e0562@suse.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Juergen Gross Cc: Andrew Cooper , xen-devel List-Id: xen-devel@lists.xenproject.org --===============5345725276413107175== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="MhP8cYafZlTESjGT" Content-Disposition: inline --MhP8cYafZlTESjGT Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Feb 19, 2018 at 06:23:40PM +0100, Juergen Gross wrote: > On 16/02/18 20:54, Marek Marczykowski-G=C3=B3recki wrote: > > Just before the BUG(), there is a call to xen_raw_console_write(). But > > apparently it was too early... >=20 > Depends. >=20 > With a debug enabled hypervisor and appropriate log levels set > (guest_loglvl=3Dall) you should see the message in the hypervisor log. I've tried with guest_loglvl=3Dall, but there was nothing. Wouldn't it make sense to enable this functionality also in non-debug builds - only guarded by guest_loglvl=3Dall option? --=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? --MhP8cYafZlTESjGT Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEhrpukzGPukRmQqkK24/THMrX1ywFAlqLCYUACgkQ24/THMrX 1yysjQf+INXGk5jH09uD1RbBoGzCN7wA9fQ+Nsbv+uvcII9LX3poLgQaRV3Nwp1m qlgjbKfqBIiJox0fevAp5fE9HoOvKSwMKQNDepoAaIBXWIOXYOhlkUlN7D8DjfrD yG385TvJhVPLo6uijbWaM2gergFXA7adQhePLwJKx52hbyaCE5RcTknKN4DvnI34 mBmXXMzkhbNuXurRyzqYMcWwBKy5aJQp2pWpZa7XF8rq7h93vbKFKUlXsGAvnEvQ tQ/YzYdc4JwWFQyePmgyJojk5GieSKb2F2WbCOhpOxke+FSWLNxr5s22HmRhO9lx v6/NUs+Rw2MpPLfkrjIDVbc7ioC8cg== =J5sx -----END PGP SIGNATURE----- --MhP8cYafZlTESjGT-- --===============5345725276413107175== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVs IG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA== --===============5345725276413107175==--