From mboxrd@z Thu Jan 1 00:00:00 1970 From: Fabio Fantoni Subject: Re: Unable to get QXL vga working Date: Mon, 11 Jun 2012 13:56:39 +0200 Message-ID: <4FD5DCF7.2070103@tiscali.it> References: <1335453835300-5667919.post@n5.nabble.com> <1335454757.28015.160.camel@zakaz.uk.xensource.com> <1335946863612-5679908.post@n5.nabble.com> <1336120233.26385.10.camel@dagon.hellion.org.uk> Reply-To: fantonifabio@tiscali.it Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============5379157639064068241==" Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: ZhouPeng Cc: "xen-devel@lists.xensource.com" , "Keir (Xen.org)" , Ian Campbell , Stefano Stabellini List-Id: xen-devel@lists.xenproject.org Questo è un messaggio firmato digitalmente in formato MIME. --===============5379157639064068241== Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha1; boundary="------------ms090800020503060207080703" Questo è un messaggio firmato digitalmente in formato MIME. --------------ms090800020503060207080703 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: quoted-printable Il 24/05/2012 13:28, ZhouPeng ha scritto: > On Thu, May 24, 2012 at 6:13 PM, Stefano Stabellini > wrote: >> On Thu, 24 May 2012, ZhouPeng wrote: >>> Sorry for late reply, I am not on this mail these days because of my = work. >>> >>> I further test qxl-vga and I think I figure out the problem in some e= xtend. >>> >>> If using qxl device, the default memory size of vga is 64M. >>> Which will cause xen_ram_alloc(qemu/xen-all.c) fails. >>> >>> The exact reason is xc_domain_populate_physmap_exact fails, because >>> xen-hypervisor >>> fail, >>> it's because of alloc_domheap_pages(d, a->extent_order, a->memflags= ) >>> fails in hypervisor. >>> >>> I am not very familiar with xen's memory management, Does 64M exceed >>> xen's heap space in this context? >> XL sets an upper bound of memory that can be allocated to the VM in >> libxl__build_pre, calling xc_domain_setmaxmem. >> My guess is that a 64MB allocation would go over that limit. >> You could try increasing the limit manually changing the >> xc_domain_setmaxmem call in libxl__build_pre, or you could try setting= >> videoram=3D64 in the VM config file. > Your guess is absolutely right! > > But set videoram=3D128 or > xc_domain_setmaxmem(ctx->xch, domid, info->target_memkb + > LIBXL_MAXMEM_CONSTANT + 2 * 64 * 1024); > > Then I successfuly install qxl driver in win-hvm and QXL can work prope= rly. > > I will send some patch to add qxl support to libxl. I tried your 3 patches taken from the mailing list, it works but doesn't = solve qxl problems for me, on linux domU (Precise and Wheezy) xorg=20 doesn't start and on windows 7 I have heavy performance problem (unusable= ). I tried also with qemu 1.1.0 but nothing change. Does it work correctly for you? If so can I have some detail of your=20 configurations please? For audio support this is needed too: (tested and working) -device intel-hda,id=3Dsound0 -device hda-duplex,id=3Dsound0-codec0 on qe= mu=20 invocation and env QEMU_AUDIO_DRV=3Dspice Can you add audio support on libxl please? --------------ms090800020503060207080703 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: Firma crittografica S/MIME MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIINhjCC BjQwggQcoAMCAQICASAwDQYJKoZIhvcNAQEFBQAwfTELMAkGA1UEBhMCSUwxFjAUBgNVBAoT DVN0YXJ0Q29tIEx0ZC4xKzApBgNVBAsTIlNlY3VyZSBEaWdpdGFsIENlcnRpZmljYXRlIFNp Z25pbmcxKTAnBgNVBAMTIFN0YXJ0Q29tIENlcnRpZmljYXRpb24gQXV0aG9yaXR5MB4XDTA3 MTAyNDIxMDI1NVoXDTE3MTAyNDIxMDI1NVowgYwxCzAJBgNVBAYTAklMMRYwFAYDVQQKEw1T dGFydENvbSBMdGQuMSswKQYDVQQLEyJTZWN1cmUgRGlnaXRhbCBDZXJ0aWZpY2F0ZSBTaWdu aW5nMTgwNgYDVQQDEy9TdGFydENvbSBDbGFzcyAyIFByaW1hcnkgSW50ZXJtZWRpYXRlIENs 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