Looks like this patch is causing failures in guest-localmigrate:
2011-01-27 03:06:09 Z executing ssh ... root@xxxxxxxxxxxx xl migrate
debian.guest.osstest localhost
migration target: Ready to receive domain.
Saving to migration stream new xl format (info 0x0/0x0/774)
Loading new save file incoming migration stream (new xl fmt info 0x0/0x0/774)
Savefile contains xl domain config
A domain with name "debian.guest.osstest" already exists.
xc: error: write: p2m_size (32 = Broken pipe): Internal error
libxl: error: libxl_dom.c:444:libxl__domain_suspend_common saving
domain: Broken pipe
migration sender: libxl_domain_suspend failed (rc=-3)
libxl: info: libxl_exec.c:70:libxl_report_child_exitstatus migration
target process [20216] exited with error status 1
Migration failed, resuming at sender.
Do we need to special-case local migration?
-George
On Wed, Jan 26, 2011 at 12:07 PM, Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx> wrote:
> I wrote:
>> OK, thanks, I'll take that as an ack. I have applied my patch and
>> will post a revised version of yours on a moment.
>
> TBH I think this restriction should be in libxl (in
> libxl_domain_rename), rather than in xl. But that would require too
> intrusive a set of changes at this stage.
>
>
> xl: avoid creating domains with duplicate names
>
> Do not create the domain if another domain with the same name is already
> running.
>
> This is another error-checking function at rather too high a level:
> this should be moved into libxl_domain_rename in 4.2.
>
> Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
> Signed-off-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
>
> diff -r 67d5b8004947 tools/libxl/xl_cmdimpl.c
> --- a/tools/libxl/xl_cmdimpl.c Wed Jan 26 11:58:45 2011 +0000
> +++ b/tools/libxl/xl_cmdimpl.c Wed Jan 26 12:02:37 2011 +0000
> @@ -583,6 +583,7 @@ static void parse_config_data(const char
> XLU_ConfigList *vbds, *nics, *pcis, *cvfbs, *net2s, *cpuids;
> int pci_power_mgmt = 0;
> int pci_msitranslate = 1;
> + uint32_t domid_e;
> int e;
>
> libxl_domain_create_info *c_info = &d_config->c_info;
> @@ -612,6 +613,15 @@ static void parse_config_data(const char
>
> if (xlu_cfg_replace_string (config, "name", &c_info->name))
> c_info->name = strdup("test");
> + e = libxl_name_to_domid(&ctx, c_info->name, &domid_e);
> + if (!e) {
> + fprintf(stderr, "A domain with name \"%s\" already exists.\n",
> c_info->name);
> + exit(1);
> + }
> + if (e != ERROR_INVAL) {
> + fprintf(stderr, "Unexpected error checking for existing domain"
> + " (error=%d)", e);
> + }
>
> if (!xlu_cfg_get_string (config, "uuid", &buf) ) {
> if ( libxl_uuid_from_string(&c_info->uuid, buf) ) {
>
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