Re: [ovirt-users] Failed to read hardware information
On 13/10/16 09:01 +0300, Dan Kenigsberg wrote:
On Thu, Oct 13, 2016 at 11:52:17AM +1100, David Pinkerton wrote:
> Nir,
>
> Looks like its crashing on the dmidecode system call.
>
> I've attached the output from gbd as well as a dmidecode text dump,
> dmidecode binary dump and each keywords run individually.
>
> >From the keywords it look like my dmi info is corrupted. I have download a
> AMI dmi editor but this only allows access to limited fields. Do you know
> another tools to rewrite the dmi info?
I don't. But whatever is inside your dmi, dmidecode must not crash.
Which version of python-dmidecode do you have installed?
Would you open a bug against it?
This is really unfortunate - I've reproduced the issue with the
attached dump and it's python-dmidecode that crashes. The issue is
actually fixed upstream, but the version at least in RHEL does not
contain the fix.
RHEL version:
python-dmidecode-3.10.13-11.el7.x86_64
works with (actual upstream):
python-dmidecode-3.12.2-1.el7.x86_64
(actually it's ~6 line change in dmioem.c)
VDSM output:
# vdsClient 0 getVdsHardwareInfo
systemFamily = 'To Be Filled By O.E.M.'
systemManufacturer = 'Supermicro'
systemProductName = 'H8DM8-2'
systemSerialNumber = '1234567890'
systemUUID = '00020003-0004-0005-0006-000700080009'
systemVersion = '1234567890'
Although the upstream version of python-dmidecode is able to deal with
improper DMI tables, I can't say what else will/will not behave correctly.
mpolednik
I believe that its maintainers would appriace a simple reproducer,
that
does not involve ovirt or Vdsm. See if you can simplify the code in
def __leafDict(d):
ret = {}
for k, v in d.iteritems():
if isinstance(v, dict):
ret.update(__leafDict(v))
else:
ret[k] = v
return ret
def getAllDmidecodeInfo():
import dmidecode
myLeafDict = {}
for k in ('system', 'bios', 'cache', 'processor',
'chassis', 'memory'):
myLeafDict[k] = __leafDict(getattr(dmidecode, k)())
return myLeafDict
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