From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Singapore Citizen Mr. Teo En Ming (Zhang Enming)" Subject: Re: Cannot start Fedora 19 HVM domU with VGA passthru Date: Thu, 18 Jul 2013 18:07:27 +0800 Message-ID: <51E7BE5F.8000504@gmail.com> References: <51E6B95E.3020500@gmail.com> <20130717215625.GL2924@reaktio.net> <51E7A94E.50005@gmail.com> <6d8cfa90cde86eca5915ff398872b459@mail.shatteredsilicon.net> Reply-To: singapore.mr.teo.en.ming@gmail.com Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="------------030603000902080200050001" Return-path: In-Reply-To: <6d8cfa90cde86eca5915ff398872b459@mail.shatteredsilicon.net> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Gordan Bobic Cc: xen-users@lists.xen.org, "Teo En Ming (Zhang Enming)" , xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org This is a multi-part message in MIME format. --------------030603000902080200050001 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 18/07/2013 16:46, Gordan Bobic wrote: > On Thu, 18 Jul 2013 16:37:34 +0800, "Singapore Citizen Mr. Teo En Ming > (Zhang Enming)" wrote: > >> Although Fedora 19 HVM domU with VGA passthrough cannot start, Debian >> 7.1.0 amd64 HVM domU with VGA passthrough can start. In Debian 7.1.0 >> amd64 HVM domU with VGA passthrough, Intel HD Graphics 4600 is listed >> in lspci -vvv. Please refer to lspci.txt. It is strange that no kernel >> module is being loaded for Intel HD Graphics 4600. There is no "Kernel >> driver in use" statement after VGA compatible controller: Intel >> Corporation Haswell Integrated Graphics Controller (rev 06) (prog-if >> 00 [VGA controller]). >> >> No kernel driver is seen in lsmod. Please refer to lsmod.txt >> >> When I tried to load the kernel module by executing "modprobe i915", >> it complains "no such device". >> >> ERROR: could not insert 'i915': No such device >> >> So is my Intel HD Graphics 4600 VGA Passthrough to Debian 7.1.0 amd64 >> HVM domU considered successful since the i915 driver cannot be loaded? >> >> Thank you very much. > > If you have a driver in dom0 claiming the device (other than the > xen-pciback > driver), you cannot pass through that device. If you do lspci -ccc on F19 > and you see the driver in use for that device being something other than > xen-pciback, that would explain why you can't pass it through. > > Also, did you first do xl pci-assignable-add for that device? This > attempts > to detach the device from it's current driver but doesn't always work > especially for GPUs. The only solution is blacklist the driver for the > device in dom0. The downside is that you cannot run a GUI in dom0 on that > device. > > Gordan > Dear Gordan, I cannot start Fedora 19 HVM domU with VGA passthrough at all. Could you advise me on the workaround? As for the Intel HD Graphics (i915) driver, I have it blacklisted in /etc/modprobe.d/blacklist.conf already. Please refer to attached blacklist.conf. Thank you very much. -- Yours sincerely, Singapore Citizen Mr. Teo En Ming (Zhang Enming) --------------030603000902080200050001 Content-Type: text/plain; charset=UTF-8; name="blacklist.conf" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="blacklist.conf" IyBUaGlzIGZpbGUgbGlzdHMgdGhvc2UgbW9kdWxlcyB3aGljaCB3ZSBkb24ndCB3YW50IHRv IGJlIGxvYWRlZCBieQojIGFsaWFzIGV4cGFuc2lvbiwgdXN1YWxseSBzbyBzb21lIG90aGVy IGRyaXZlciB3aWxsIGJlIGxvYWRlZCBmb3IgdGhlCiMgZGV2aWNlIGluc3RlYWQuCgojIGV2 YnVnIGlzIGEgZGVidWcgdG9vbCB0aGF0IHNob3VsZCBiZSBsb2FkZWQgZXhwbGljaXRseQpi bGFja2xpc3QgZXZidWcKCiMgdGhlc2UgZHJpdmVycyBhcmUgdmVyeSBzaW1wbGUsIHRoZSBI SUQgZHJpdmVycyBhcmUgdXN1YWxseSBwcmVmZXJyZWQKYmxhY2tsaXN0IHVzYm1vdXNlCmJs YWNrbGlzdCB1c2JrYmQKCiMgcmVwbGFjZWQgYnkgZTEwMApibGFja2xpc3QgZWVwcm8xMDAK CiMgcmVwbGFjZWQgYnkgdHVsaXAKYmxhY2tsaXN0IGRlNHg1CgojIGNhdXNlcyBubyBlbmQg b2YgY29uZnVzaW9uIGJ5IGNyZWF0aW5nIHVuZXhwZWN0ZWQgbmV0d29yayBpbnRlcmZhY2Vz CmJsYWNrbGlzdCBldGgxMzk0CgojIHNuZF9pbnRlbDh4MG0gY2FuIGludGVyZmVyZSB3aXRo IHNuZF9pbnRlbDh4MCwgZG9lc24ndCBzZWVtIHRvIHN1cHBvcnQgbXVjaAojIGhhcmR3YXJl IG9uIGl0cyBvd24gKFVidW50dSBidWcgIzIwMTEsICM2ODEwKQpibGFja2xpc3Qgc25kX2lu dGVsOHgwbQoKIyBDb25mbGljdHMgd2l0aCBkdmIgZHJpdmVyICh3aGljaCBpcyBiZXR0ZXIg Zm9yIGhhbmRsaW5nIHRoaXMgZGV2aWNlKQpibGFja2xpc3Qgc25kX2F3MgoKIyBjYXVzZXMg ZmFpbHVyZSB0byBzdXNwZW5kIG9uIEhQIGNvbXBhcSBuYzYwMDAgKFVidW50dTogIzEwMzA2 KQpibGFja2xpc3QgaTJjX2k4MDEKCiMgcmVwbGFjZWQgYnkgcDU0cGNpCmJsYWNrbGlzdCBw cmlzbTU0CgojIHJlcGxhY2VkIGJ5IGI0MyBhbmQgc3NiLgpibGFja2xpc3QgYmNtNDN4eAoK IyBtb3N0IGFwcHMgbm93IHVzZSBnYXJtaW4gdXNiIGRyaXZlciBkaXJlY3RseSAoVWJ1bnR1 OiAjMTE0NTY1KQpibGFja2xpc3QgZ2FybWluX2dwcwoKIyByZXBsYWNlZCBieSBhc3VzLWxh cHRvcCAoVWJ1bnR1OiAjMTg0NzIxKQpibGFja2xpc3QgYXN1c19hY3BpCgojIGxvdy1xdWFs aXR5LCBqdXN0IG5vaXNlIHdoZW4gYmVpbmcgdXNlZCBmb3Igc291bmQgcGxheWJhY2ssIGNh dXNlcwojIGhhbmdzIGF0IGRlc2t0b3Agc2Vzc2lvbiBzdGFydCAoVWJ1bnR1OiAjMjQ2OTY5 KQpibGFja2xpc3Qgc25kX3Bjc3AKCiMgdWdseSBhbmQgbG91ZCBub2lzZSwgZ2V0dGluZyBv biBldmVyeW9uZSdzIG5lcnZlczsgdGhpcyBzaG91bGQgYmUgZG9uZSBieSBhCiMgbmljZSBw dWxzZWF1ZGlvIGJpbmcgKFVidW50dTogIzc3MDEwKQpibGFja2xpc3QgcGNzcGtyCgojIEVE QUMgZHJpdmVyIGZvciBhbWQ3NnggY2xhc2hlcyB3aXRoIHRoZSBhZ3AgZHJpdmVyIHByZXZl bnRpbmcgdGhlIGFwZXJ0dXJlCiMgZnJvbSBiZWluZyBpbml0aWFsaXNlZCAoVWJ1bnR1OiAj Mjk3NzUwKS4gQmxhY2tsaXN0IHNvIHRoYXQgdGhlIGRyaXZlcgojIGNvbnRpbnVlcyB0byBi dWlsZCBhbmQgaXMgaW5zdGFsbGFibGUgZm9yIHRoZSBmZXcgY2FzZXMgd2hlcmUgaXRzCiMg cmVhbGx5IG5lZWRlZC4KYmxhY2tsaXN0IGFtZDc2eF9lZGFjCgpibGFja2xpc3QgaTkxNQoK YmxhY2tsaXN0IHNuZF9oZGFfaW50ZWwK --------------030603000902080200050001 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 --------------030603000902080200050001--