[libvirt] [PATCH] vbox: don't fail on missing vbox

[libvirt] [PATCH] lxc: fix mknod...

[libvirt] [PATCH] vbox: don't...

Guido Günther

Thursday, 7 May 2009 Thu, 7 May '09

3:50 a.m.

Hi, virsh fails with: 10:47:37.104: debug : do_open:922 : no name, allowing driver auto-select 10:47:37.104: debug : do_open:930 : trying driver 0 (Test) ... 10:47:37.104: debug : do_open:936 : driver 0 Test returned DECLINED 10:47:37.104: debug : do_open:930 : trying driver 1 (OPENVZ) ... 10:47:37.105: debug : do_open:936 : driver 1 OPENVZ returned DECLINED 10:47:37.105: debug : do_open:930 : trying driver 2 (VBOX) ... 10:47:37.106: debug : do_open:936 : driver 2 VBOX returned ERROR 10:47:37.106: debug : virUnrefConnect:210 : unref connection 0x10032b10 1 10:47:37.106: debug : virReleaseConnect:171 : release connection 0x10032b10 error: failed to connect to the hypervisor if one has built with vbox support but vbox is not installed. Attached patch calls VBoxCGlueInit() early so we can return 'declined' instead of 'error'. O.k. to apply? -- Guido

Attachments:

0001-don-t-return-VIR_DRV_OPEN_ERROR-if-we-can-t-find-the.patch (text/x-diff — 1.3 KB)

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Daniel P. Berrange

Thursday, 7 May Thu, 7 May

4:16 a.m.

On Thu, May 07, 2009 at 10:50:54AM +0200, Guido G?nther wrote:

...

Doh, we'd already fixed this once befor e- I guess the recent initialization rewrite re-introduced the problem. ACK to this. Daniel

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>From 109079559c6600fc701f83aecc0dda691cf9f304 Mon Sep 17 00:00:00 2001 From: =?utf-8?q?Guido=20G=C3=BCnther?= <agx(a)sigxcpu.org> Date: Thu, 7 May 2009 10:30:33 +0200 Subject: [PATCH 1/2] don't return VIR_DRV_OPEN_ERROR if we can't find the vbox driver --- src/vbox/vbox_tmpl.c | 10 +++++----- 1 files changed, 5 insertions(+), 5 deletions(-) diff --git a/src/vbox/vbox_tmpl.c b/src/vbox/vbox_tmpl.c index 7297172..3ff25b1 100644 --- a/src/vbox/vbox_tmpl.c +++ b/src/vbox/vbox_tmpl.c @@ -217,11 +217,6 @@ no_memory: static int vboxInitialize(virConnectPtr conn, vboxGlobalData *data) { - if (VBoxCGlueInit() != 0) { - vboxError(conn, VIR_ERR_INTERNAL_ERROR, "Can't Initialize VirtualBox, VBoxCGlueInit failed."); - goto cleanup; - } - /* This is for when glue init failed and we're serving as dummy driver. */ if (g_pfnGetFunctions == NULL) goto cleanup; @@ -308,6 +303,11 @@ static virDrvOpenStatus vboxOpen(virConnectPtr conn, vboxGlobalData *data; uid_t uid = getuid(); + if (VBoxCGlueInit() != 0) { + VIR_DEBUG0("Can't Initialize VirtualBox, VBoxCGlueInit failed."); + return VIR_DRV_OPEN_DECLINED; + } + if (conn->uri == NULL) { conn->uri = xmlParseURI(uid ? "vbox:///session" : "vbox:///system"); if (conn->uri == NULL) { -- 1.6.2.4

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Pritesh Kothari

4:19 a.m.

On Thursday 07 May 2009 10:50:54 Guido Günther wrote:

...

the above patch leads to memory leaks as vboxUninitialize() needs to be called if VBoxCGlueInit() is called, so modifying it as below solves both the problems. (declined is right here cause the only error condition is while conn->uri == NULL is already being handled, and thus the following patch) Regards, Pritesh

Daniel P. Berrange

4:25 a.m.

On Thu, May 07, 2009 at 11:19:01AM +0200, Pritesh Kothari wrote:

...

On Thursday 07 May 2009 10:50:54 Guido Günther wrote: > Hi, > virsh fails with: > > 10:47:37.104: debug : do_open:922 : no name, allowing driver auto-select > 10:47:37.104: debug : do_open:930 : trying driver 0 (Test) ... > 10:47:37.104: debug : do_open:936 : driver 0 Test returned DECLINED > 10:47:37.104: debug : do_open:930 : trying driver 1 (OPENVZ) ... > 10:47:37.105: debug : do_open:936 : driver 1 OPENVZ returned DECLINED > 10:47:37.105: debug : do_open:930 : trying driver 2 (VBOX) ... > 10:47:37.106: debug : do_open:936 : driver 2 VBOX returned ERROR > 10:47:37.106: debug : virUnrefConnect:210 : unref connection 0x10032b10 1 > 10:47:37.106: debug : virReleaseConnect:171 : release connection 0x10032b10 > error: failed to connect to the hypervisor > > if one has built with vbox support but vbox is not installed. Attached > patch calls VBoxCGlueInit() early so we can return 'declined' instead of > 'error'. O.k. to apply? the above patch leads to memory leaks as vboxUninitialize() needs to be called if VBoxCGlueInit() is called, so modifying it as below solves both the problems. (declined is right here cause the only error condition is while conn->uri == NULL is already being handled, and thus the following patch)

Ok, thanks for checking this. ACK to this patch instead of Guido's. Daniel

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diff --git a/src/vbox/vbox_tmpl.c b/src/vbox/vbox_tmpl.c index 7297172..2416b30 100644 --- a/src/vbox/vbox_tmpl.c +++ b/src/vbox/vbox_tmpl.c @@ -350,7 +350,7 @@ static virDrvOpenStatus vboxOpen(virConnectPtr conn, return VIR_DRV_OPEN_SUCCESS; cleanup: vboxUninitialize(data); - return VIR_DRV_OPEN_ERROR; + return VIR_DRV_OPEN_DECLINED; } static int vboxClose(virConnectPtr conn) {

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Guido Günther

Friday, 8 May Fri, 8 May

5:18 a.m.

On Thu, May 07, 2009 at 10:25:34AM +0100, Daniel P. Berrange wrote:

...

On Thu, May 07, 2009 at 11:19:01AM +0200, Pritesh Kothari wrote: > On Thursday 07 May 2009 10:50:54 Guido Günther wrote: > > Hi, > > virsh fails with: > > > > 10:47:37.104: debug : do_open:922 : no name, allowing driver auto-select > > 10:47:37.104: debug : do_open:930 : trying driver 0 (Test) ... > > 10:47:37.104: debug : do_open:936 : driver 0 Test returned DECLINED > > 10:47:37.104: debug : do_open:930 : trying driver 1 (OPENVZ) ... > > 10:47:37.105: debug : do_open:936 : driver 1 OPENVZ returned DECLINED > > 10:47:37.105: debug : do_open:930 : trying driver 2 (VBOX) ... > > 10:47:37.106: debug : do_open:936 : driver 2 VBOX returned ERROR > > 10:47:37.106: debug : virUnrefConnect:210 : unref connection 0x10032b10 1 > > 10:47:37.106: debug : virReleaseConnect:171 : release connection 0x10032b10 > > error: failed to connect to the hypervisor > > > > if one has built with vbox support but vbox is not installed. Attached > > patch calls VBoxCGlueInit() early so we can return 'declined' instead of > > 'error'. O.k. to apply? > the above patch leads to memory leaks as vboxUninitialize() needs to be called > if VBoxCGlueInit() is called, so modifying it as below solves both the > problems. (declined is right here cause the only error condition is while > conn->uri == NULL is already being handled, and thus the following patch) Ok, thanks for checking this. ACK to this patch instead of Guido's.

Applied now. -- Guido

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Daniel P. Berrange
Guido Günther
Pritesh Kothari

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[libvirt] [PATCH] vbox: don't fail on missing vbox