[CentOS-devel] system call msgrcv() freom 32-bit application shows error: msgrcv: No message of desired type

Fri Apr 25 12:57:53 UTC 2014
Gabriella Schmidt <gsc at bruker.de>

Johnny Hughes wrote:
> On 04/25/2014 06:12 AM, Gabriella Schmidt wrote:
>> The latest RHEL7 still shows the error   msgrcv: No message of desired type
>> if msgrcv() is called with negative arguments within 32-bit applications.
>> It is in Red Hat Bugzilla -- Bug 1042807 but as we dont have RHN Support
>> anymore we cant take a ticket there.
>> I have tested the kernel-lt-3.10.37-1.el6.elrepo.x86_64 and kernel-ml-3.14.1-1.el6.elrepo.x86_64
>> on CentOS-6 and the 3.10.37 still show the problem, while its fixed in 3.14
>> The fix is very small ( see attachment ), but I dont know what is the
>> best way to get it fixed in the 3.10 kernels too.
> I do not have access to that bug (bug 1042807, it seems to be private)
> in the RH bugzilla.
> Did someone post your patch to the bugzilla?
Yes, I think so:
Mateusz Guzik <mailto:mguzik at redhat.com> 2014-01-15 09:31:12 EST

In reply to Gabriellla Schmidt fromcomment #4  <https://bugzilla.redhat.com/show_bug.cgi?id=1042807#c4>)
> (In reply to Mateusz Guzik fromcomment #3  <https://bugzilla.redhat.com/show_bug.cgi?id=1042807#c3>)
> > Attached patch fixes the problem for me, could you please test it?
> I'm sorry, but I don't have the kernel srpm to rebuild the kernel.

I think we can skip this step in this case.

Patch sent to lkml:http://marc.info/?l=linux-kernel&m=138979395020104&w=2

Thanks for reporting.

> Once we have a centosplus kernel for CentOS-7, we can try to roll that
> patch in there .. does that sound good Akemi?
At least better than I had to patch each new kernel  myself and send it to 
our customers.
But I still hope to get is fixed on kernel.org and back ported to the 
upstream RHEL7 kernel.

Kind Regards

     Gabriella Schmidt
     -- NMR Software --
     Bruker BioSpin GmbH

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