52a7fec2c4
0e0c1a74-domid-fix.patch, 7a1452f5-libxl-empty-cdrom.patch bnc#872517 OBS-URL: https://build.opensuse.org/package/show/Virtualization/libvirt?expand=0&rev=365
32 lines
1.4 KiB
Diff
32 lines
1.4 KiB
Diff
commit 7a1452f5334f98680187ae6d11fe2a49c1b38548
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Author: Stefan Bader <stefan.bader@canonical.com>
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Date: Thu Mar 27 17:55:03 2014 +0100
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libxl: Set disk format for empty cdrom device
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The XML config for a CDROM device can be without a source path,
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indicating that there is no media present. Without this change
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the libxl driver fails to start a guest in that case because
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the libxl library checks for the LIBXL_DISK_FORMAT_EMPTY format
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type and tries to stat the NULL pointer that gets passed on.
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> libxl: error: libxl_device.c:265:libxl__device_disk_set_backend:
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> Disk vdev=hdc failed to stat: (null): Bad address
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Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
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Index: libvirt-1.2.3/src/libxl/libxl_conf.c
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===================================================================
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--- libvirt-1.2.3.orig/src/libxl/libxl_conf.c
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+++ libvirt-1.2.3/src/libxl/libxl_conf.c
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@@ -827,6 +827,9 @@ libxlMakeDisk(virDomainDiskDefPtr l_disk
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x_disk->removable = 1;
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x_disk->readwrite = !l_disk->readonly;
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x_disk->is_cdrom = l_disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM ? 1 : 0;
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+ /* An empty CDROM must have the empty format, otherwise libxl fails. */
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+ if (x_disk->is_cdrom && !x_disk->pdev_path)
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+ x_disk->format = LIBXL_DISK_FORMAT_EMPTY;
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if (l_disk->transient) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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_("libxenlight does not support transient disks"));
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