From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Egger Subject: Re: libxl: cannot start guest Date: Tue, 22 May 2012 14:35:55 +0200 Message-ID: <4FBB882B.1020902@amd.com> References: <4FB64BDC.6010801@amd.com> <1337347821.22316.122.camel@zakaz.uk.xensource.com> <4FB65B61.7000902@amd.com> <4FB66FED.5080704@amd.com> <1337356698.22316.138.camel@zakaz.uk.xensource.com> <4FBA185A.3080306@amd.com> <1337602541.24660.105.camel@zakaz.uk.xensource.com> <4FBA3EC8.3060104@amd.com> <1337608191.24660.138.camel@zakaz.uk.xensource.com> <4FBA62F7.9080308@gmx.de> <1337615835.24660.169.camel@zakaz.uk.xensource.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1337615835.24660.169.camel@zakaz.uk.xensource.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: Ian Campbell Cc: "xen-devel@lists.xen.org" List-Id: xen-devel@lists.xenproject.org On 05/21/12 17:57, Ian Campbell wrote: >> libxl: debug: libxl_device.c:183:libxl__device_disk_set_backend: Disk >> vdev=hda spec.backend=unknown >> libxl: debug: libxl_device.c:219:libxl__device_disk_set_backend: Disk >> vdev=hda, using backend phy >> xc: detail: elf_parse_binary: phdr: paddr=0x100000 memsz=0x9bd04 >> xc: detail: elf_parse_binary: memory: 0x100000 -> 0x19bd04 >> xc: info: VIRTUAL MEMORY ARRANGEMENT: >> Loader: 0000000000100000->000000000019bd04 >> TOTAL: 0000000000000000->00000000ff800000 >> ENTRY ADDRESS: 0000000000100000 >> xc: info: PHYSICAL MEMORY ALLOCATION: >> 4KB PAGES: 0x0000000000000200 >> 2MB PAGES: 0x00000000000003fb >> 1GB PAGES: 0x0000000000000002 >> xc: detail: elf_load_binary: phdr 0 at 0x0x7f7ff7f42000 -> 0x0x7f7ff7fd4b74 >> libxl: error: libxl.c:3213:libxl_sched_credit_domain_set: Cpu weight out >> of range, valid values are within range from 1 to 65535 >> libxl: error: libxl_dom.c:74:libxl__sched_set_params: >> libxl_sched_credit_domain_set failed -6 >> libxl: debug: libxl_device.c:183:libxl__device_disk_set_backend: Disk >> vdev=hda spec.backend=phy >> libxl: error: libxl_xshelp.c:102:libxl__xs_get_dompath: failed to get >> dompath for 7: Bad file descriptor > > This is back to the original issue, I think the last couple of mails > have been something of a tangent since you weren't getting as far as > this failure. > > I'm not really sure what to suggest here -- something is either closing > the fd or scribbling over the memory which contains it. > > I suppose you could sprinkle calls to libxl__xs_get_dompath() around > between libxl__sched_set_params and libxl__device_disk_set_backend and > see where it starts failing -- that's going to be pretty tedious though. It starts failing in libxl__build_post() right after xs_introduce_domain(). Christoph -- ---to satisfy European Law for business letters: Advanced Micro Devices GmbH Einsteinring 24, 85689 Dornach b. Muenchen Geschaeftsfuehrer: Alberto Bozzo, Andrew Bowd Sitz: Dornach, Gemeinde Aschheim, Landkreis Muenchen Registergericht Muenchen, HRB Nr. 43632