[Gluster-users] Unusual bug in glusterfsd

Anand Babu Periasamy ab at zresearch.com
Tue Aug 26 02:38:12 UTC 2008

Hi Stuart,
This gets interesting. We still want to get down to core of this issue,
and see if we can detect this condition programmaticlly.
Anand Babu Periasamy
GPG Key ID: 0x62E15A31
Blog [http://ab.freeshell.org]
The GNU Operating System [http://www.gnu.org]
Z RESEARCH Inc [http://www.zresearch.com]

Stuart Longland wrote:
> On Mon, Aug 25, 2008 at 11:13:13PM +0530, Anand Avati wrote:
>>>         The key error message seems to be this one (note the high negative
>>> maximum number):
>>>> 2008-08-24 18:11:45 E [protocol.c:342:gf_block_unserialize_transport]
>>> server: frame size (168) > max (-2147458000)
>> This seems to be a compiler or build related issue. What is your nickname on
>> IRC? we could try to debug it online.. what architecture is this machine? I
>> remember another user having this issue on a mips machine but we could not
>> get around to actually debug it.
>> avati
> Hi Anand,
> 	I just had a look when you mentioned this -- seems on my laptop
> (working glusterfsd) I was using gcc 3.4.6 with vanilla specs.  On the
> web server (broken glusterfsd) it was using hardened specs (with stack
> protection and position independent executable options).  This is on
> x86.
> 	I've just recompiled it using vanilla specs on the web server,
> having noticed another more subtle data truncation bug with the client.  Having
> tried connecting with another client on the network, I'm successfully able to
> mount the volumes from the webserver without issues.
> 	I'll do some further investigations, but it seems the hardened toolchain
> in Gentoo would be a prime culprit here.
> Regards,

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