On Tue, Jul 11, 2017 at 10:41:15 +0300, Mikhail Feoktistov wrote: > Error occurs in src/conf/capabilities.c line 1736 > > int virCapabilitiesInitCaches(virCapsPtr caps) > ... > if (virFileReadValueUint(&bank->id, > "%s/cpu/cpu%zd/cache/%s/id", > SYSFS_SYSTEM_PATH, pos, > ent->d_name) < 0) > goto cleanup; > ... > > file "id" doesn't exist > > ls -al /sys/devices/system/cpu/cpu0/cache/index0/ > total 0 > drwxr-xr-x 2 root root 0 Jun 30 06:03 . > drwxr-xr-x 6 root root 0 Jun 29 04:42 .. > -r--r--r-- 1 root root 4096 Jul 10 06:44 coherency_line_size > -r--r--r-- 1 root root 4096 Jul 5 11:33 level > -r--r--r-- 1 root root 4096 Jul 10 06:44 number_of_sets > -r--r--r-- 1 root root 4096 Jul 10 06:44 physical_line_partition > -r--r--r-- 1 root root 4096 Jul 10 06:44 shared_cpu_list > -r--r--r-- 1 root root 4096 Jul 10 06:44 shared_cpu_map > -r--r--r-- 1 root root 4096 Jul 10 06:44 size > -r--r--r-- 1 root root 4096 Jul 10 06:44 type > -r--r--r-- 1 root root 4096 Jul 10 06:44 ways_of_associativity So your system (cpu/kernel) does not support reporting the cache data required to populate the capabilities. So the fix is correct, since other callers of virCapabilitiesInitCaches ignore the error as well. Please put the justification into the commit message as it's usually done in commits to libvirt. > On 10.07.2017 15:48, Peter Krempa wrote: > > On Mon, Jul 10, 2017 at 07:54:03 -0400, Mikhail Feoktistov wrote: > > > > Any justification or explanation when this happens? > > > > > --- > > > src/vz/vz_driver.c | 2 +- > > > 1 file changed, 1 insertion(+), 1 deletion(-) > > -- > libvir-list mailing list > libvir-list@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/libvir-list
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