xen/ioemu-blktap-zero-size.patch
Charles Arnold 9a05aa7fc4 - bnc#658704 - SLES11 SP1 Xen boot panic in x2apic mode
22707-x2apic-preenabled-check.patch
- bnc#641419 - L3: Xen: qemu-dm reports "xc_map_foreign_batch: mmap failed:
  Cannot allocate memory"
  7434-qemu-rlimit-as.patch
- Additional or upstream patches from Jan
  22693-fam10-mmio-conf-base-protect.patch
  22694-x86_64-no-weak.patch
  22708-xenctx-misc.patch
  21432-4.0-cpu-boot-failure.patch
  22645-amd-flush-filter.patch
  qemu-fix-7433.patch

- Maintain compatibility with the extid flag even though it is
  deprecated for both legacy and sxp config files.
  hv_extid_compatibility.patch 

- bnc#649209-improve suspend eventchn lock
  suspend_evtchn_lock.patch

- Removed the hyper-v shim patches in favor of using the upstream 
  version. 

- bnc#641419 - L3: Xen: qemu-dm reports "xc_map_foreign_batch: mmap
  failed: Cannot allocate memory" 
  qemu-rlimit-as.patch

- Upstream c/s 7433 to replace qemu_altgr_more.patch
  7433-qemu-altgr.patch

OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=90
2011-01-14 18:24:51 +00:00

45 lines
1.7 KiB
Diff

From cb982fd919a52ff86f01025d0f92225bc7b2a956 Mon Sep 17 00:00:00 2001
From: Kevin Wolf <kwolf@suse.de>
Date: Tue, 10 Mar 2009 16:44:31 +0100
Subject: [PATCH 5/6] ioemu: Fail on too small blktap disks
The blktap infrastructure doesn't seems to be able to cope with images
that are smaller than a sector, it produced hangs for me. Such an
image isn't really useful anyway, so just fail gracefully.
Signed-off-by: Kevin Wolf <kwolf@suse.de>
---
hw/xen_blktap.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
Index: xen-4.0.1-testing/tools/ioemu-qemu-xen/hw/xen_blktap.c
===================================================================
--- xen-4.0.1-testing.orig/tools/ioemu-qemu-xen/hw/xen_blktap.c
+++ xen-4.0.1-testing/tools/ioemu-qemu-xen/hw/xen_blktap.c
@@ -268,6 +268,12 @@ static int open_disk(struct td_state *s,
s->size = bs->total_sectors;
s->sector_size = 512;
+ if (s->size == 0) {
+ fprintf(stderr, "Error: Disk image %s is too small\n",
+ path);
+ return -ENOMEM;
+ }
+
s->info = ((s->flags & TD_RDONLY) ? VDISK_READONLY : 0);
return 0;
Index: xen-4.0.1-testing/tools/python/xen/xend/server/DevController.py
===================================================================
--- xen-4.0.1-testing.orig/tools/python/xen/xend/server/DevController.py
+++ xen-4.0.1-testing/tools/python/xen/xend/server/DevController.py
@@ -155,7 +155,7 @@ class DevController:
(devid, self.deviceClass))
elif status == Error:
- self.destroyDevice(devid, False)
+ self.destroyDevice(devid, True)
if err is None:
raise VmError("Device %s (%s) could not be connected. "
"Backend device not found." %