From mboxrd@z Thu Jan 1 00:00:00 1970 From: James Dingwall Subject: failed to launch qemu when running de-privileged (xen 4.8) Date: Thu, 2 Aug 2018 09:44:47 +0100 Message-ID: <20180802084447.GA212987@dingwall.me.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1fl9E5-00073Y-B8 for xen-devel@lists.xenproject.org; Thu, 02 Aug 2018 08:44:53 +0000 Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: xen-devel@lists.xenproject.org Cc: Ian.Jackson@eu.citrix.com List-Id: xen-devel@lists.xenproject.org SGksCgpJIGhhZCBhIGJpdCBvZiBhIGhlYWQgc2NyYXRjaGVyIHdoaWxlIHdyaXRpbmcgYSBwYXRj aCBmb3IgNC44IHdoaWNoIAphbGxvd3MgdGhlIHFlbXUtZG0gcHJvY2VzcyBmb3IgYSBzdHViZG9t IHRvIGJlIGV4ZWN1dGVkIGFzIGFuIAp1bnByaXZpbGVnZWQgdXNlci4gIEFmdGVyIGEgbGliZXJh bCBzcHJpbmtsaW5nIG9mIGxvZyBtZXNzYWdlcyBJIGZvdW5kIAp0aGF0IG15IHByb2JsZW0gd2Fz IHJlbGF0ZWQgdG8gdGhlIGNoZWNrIG9mIHRoZSByZXR1cm4gY29kZSBmcm9tIApnZXRwd25hbV9y LiAgSW4gNC4xMSB0aGUgcmVsZXZhbnQgY29kZSBsb29rcyBsaWtlIHRoaXM6CgoKICAgICAgICAg ICAgcmV0ID0gTkFNRSMjX3Ioc3BlYywgcmVzdWx0YnVmLCBidWYsIGJ1Zl9zaXplLCAmcmVzdWx0 cCk7ICAgXAogICAgICAgICAgICBpZiAocmV0ID09IEVSQU5HRSkgeyAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICBcCiAgICAgICAgICAgICAgICBidWZfc2l6ZSArPSAxMjg7 ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIFwKICAgICAgICAgICAgICAg IGNvbnRpbnVlOyAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg XAogICAgICAgICAgICB9ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICBcCiAgICAgICAgICAgIGlmIChyZXQgIT0gMCkgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIFwKICAgICAgICAgICAgICAgIHJldHVy biBFUlJPUl9GQUlMOyAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgXAogICAg ICAgICAgICBpZiAocmVzdWx0cCAhPSBOVUxMKSB7ICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICBcCiAgICAgICAgICAgICAgICBpZiAob3V0KSAqb3V0ID0gcmVzdWx0cDsgICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgIFwKICAgICAgICAgICAgICAgIHJldHVybiAxOyAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgXAogICAgICAgICAg ICB9ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICBcCiAgICAgICAgICAgIHJldHVybiAwOyAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgIFwKCgogICAgICAgICAgICBpZiAocmV0ICE9IDApICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICBcCiAgICAgICAgICAgICAg ICByZXR1cm4gRVJST1JfRkFJTDsgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg IFwKCgpIb3dldmVyIGNoZWNraW5nIHRoZSBtYW4gcGFnZSBmb3IgZ2V0cHduYW1fciAoYW5kIGdl dHB3dWlkX3Igbm93IGZvciAKNC4xMSkgaXQgaXMgbm90IGp1c3QgMCB3aGljaCBjYW4gaW5kaWNh dGUgYW4gZW50cnkgaXMgbm90IGZvdW5kOgoKICAgICAgIDAgb3IgRU5PRU5UIG9yIEVTUkNIIG9y IEVCQURGIG9yIEVQRVJNIG9yIC4uLgogICAgICAgICAgICAgIFRoZSBnaXZlbiBuYW1lIG9yIHVp ZCB3YXMgbm90IGZvdW5kLgogICAgICAgRUlOVFIgIEEgc2lnbmFsIHdhcyBjYXVnaHQ7IHNlZSBz aWduYWwoNykuCiAgICAgICBFSU8gICAgSS9PIGVycm9yLgogICAgICAgRU1GSUxFIFRoZSBwZXIt cHJvY2VzcyBsaW1pdCBvbiB0aGUgbnVtYmVyIG9mIG9wZW4gZmlsZSBkZXNjcmlwdG9ycyBoYXMg YmVlbiByZWFjaGVkLgogICAgICAgRU5GSUxFIFRoZSBzeXN0ZW0td2lkZSBsaW1pdCBvbiB0aGUg dG90YWwgbnVtYmVyIG9mIG9wZW4gZmlsZXMgaGFzIGJlZW4gcmVhY2hlZC4KICAgICAgIEVOT01F TSBJbnN1ZmZpY2llbnQgbWVtb3J5IHRvIGFsbG9jYXRlIHBhc3N3ZCBzdHJ1Y3R1cmUuCiAgICAg ICBFUkFOR0UgSW5zdWZmaWNpZW50IGJ1ZmZlciBzcGFjZSBzdXBwbGllZC4KCkluIG15IGNhc2Ug dGhlIGRvbWlkIHNwZWNpZmljIHFlbXUgdXNlciB3YXMgbm90IHByZXNlbnQgKGp1c3QgdXNpbmcg Cnhlbi1xZW11dXNlci1zaGFyZWQpIGFuZCBJIHdhcyBnZXR0aW5nIGFuIEVOT0VOVCBmcm9tIGdl dHB3bmFtX3IuCkknbSBzdXJlIHRoZXJlIHNob3VsZCBiZSBhIG1vcmUgZWxlZ2FudCB3YXkgdG8g d3JpdGUgdGhlIGNoZWNrIGJ1dAppdCBzb2x2ZWQgbXkgY2FzZS4KCisgICAgICAgIHJldCA9IGdl dHB3bmFtX3IodXNlcm5hbWUsICZwd2QsIGJ1ZiwgYnVmX3NpemUsICZ1c2VyKTsKKyAgICAgICAg aWYgKHJldCA9PSBFUkFOR0UpIHsKKyAgICAgICAgICAgIGJ1Zl9zaXplICs9IDEyODsKKyAgICAg ICAgICAgIGNvbnRpbnVlOworICAgICAgICB9CisgICAgICAgIGlmIChyZXQgPT0gRUlOVFIgfHwg cmV0ID09IEVJTyB8fCByZXQgPT0gRU1GSUxFIHx8IHJldCA9PSBFTkZJTEUgfHwgcmV0ID09IEVO T01FTSkKKyAgICAgICAgICAgIHJldHVybiBFUlJPUl9GQUlMOworICAgICAgICBpZiAodXNlciAh PSBOVUxMKQorICAgICAgICAgICAgcmV0dXJuIDE7CisgICAgICAgIHJldHVybiAwOwoKVGhhbmtz LApKYW1lcwoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18K WGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0 cHM6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA==