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Description of problem: The dccp kernel module cannot be loaded. Version-Release number of selected component (if applicable): All RHEL6 kernels, e.g. 2.6.32-71.29.1.el6.x86_64 Steps to reproduce: -bash-4.1# uname -a Linux testmachine 2.6.32-71.29.1.el6.x86_64 #1 SMP Thu Apr 21 16:08:55 EDT 2011 x86_64 x86_64 x86_64 GNU/Linux -bash-4.1# modprobe dccp FATAL: Error inserting dccp (/lib/modules/2.6.32-71.29.1.el6.x86_64/kernel/net/dccp/dccp.ko): No buffer space available -bash-4.1# dmesg | tail -n 11 kmem_cache_create: duplicate cache ccid2_h Pid: 885, comm: modprobe Not tainted 2.6.32-71.29.1.el6.x86_64 #1 Call Trace: [<ffffffff8115a1c3>] kmem_cache_create+0x503/0x570 [<ffffffffa0174154>] ccid_kmem_cache_create+0x64/0x70 [dccp] [<ffffffffa018c066>] ccid_initialize_builtins+0x66/0xd9 [dccp] [<ffffffffa018c371>] dccp_init+0x298/0x378 [dccp] [<ffffffffa018c0d9>] ? dccp_init+0x0/0x378 [dccp] [<ffffffff8100a04c>] do_one_initcall+0x3c/0x1d0 [<ffffffff810af7ef>] sys_init_module+0xdf/0x250 [<ffffffff81013172>] system_call_fastpath+0x16/0x1b Additional info: This is a known bug upstream: https://bugzilla.kernel.org/show_bug.cgi?id=15196 I can confirm that it is fixed by: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=8ed030dd0aa400d18c63861c2c6deb7c38f4edde This bug is mentioned in passing by: https://bugzilla.redhat.com/show_bug.cgi?id=702183
Since RHEL 6.2 External Beta has begun, and this bug remains unresolved, it has been rejected as it is not proposed as exception or blocker. Red Hat invites you to ask your support representative to propose this request, if appropriate and relevant, in the next release of Red Hat Enterprise Linux.
Fixed by BZ702183 *** This bug has been marked as a duplicate of bug 702183 ***