Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752719AbZK3R2u (ORCPT ); Mon, 30 Nov 2009 12:28:50 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752332AbZK3R2t (ORCPT ); Mon, 30 Nov 2009 12:28:49 -0500 Received: from rcsinet12.oracle.com ([148.87.113.124]:41639 "EHLO rgminet12.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752062AbZK3R2r (ORCPT ); Mon, 30 Nov 2009 12:28:47 -0500 Message-ID: <4B1400B3.60300@oracle.com> Date: Mon, 30 Nov 2009 09:28:19 -0800 From: Randy Dunlap Organization: Oracle Linux Engineering User-Agent: Thunderbird 2.0.0.22 (X11/20090605) MIME-Version: 1.0 To: LKML CC: Doug Thompson , Borislav Petkov Subject: 2.6.32-rc8: amd64_edac slub error Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit X-Source-IP: acsmt356.oracle.com [141.146.40.156] X-Auth-Type: Internal IP X-CT-RefId: str=0001.0A090201.4B1400D0.0150:SCFMA4539814,ss=1,fgs=0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4812 Lines: 96 Hi, Loading amd64_edac_mod on an amd64 system without the expected hardware support causes memory usage error(s). Is this already fixed/patched? Do you need more info? Thanks. # modprobe amd64_edac_mod calling amd64_edac_init+0x0/0x849 [amd64_edac_mod] @ 22156 EDAC amd64_edac: Ver: 3.2.0 Nov 24 2009 EDAC amd64: ECC is enabled by BIOS. ============================================================================= BUG kmalloc-16: Redzone overwritten ----------------------------------------------------------------------------- INFO: 0xffff880139e25600-0xffff880139e25607. First byte 0x1f instead of 0xcc INFO: Slab 0xffffea00044a9818 objects=102 used=38 fp=0xffff880139e255c8 flags=0x400000000000c3 INFO: Object 0xffff880139e255f0 @offset=1520 fp=0xffff880139e255c8 Bytes b4 0xffff880139e255e0: 18 56 e2 39 01 88 ff ff 5a 5a 5a 5a 5a 5a 5a 5a .V�9..��ZZZZZZZZ Object 0xffff880139e255f0: 1f 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Redzone 0xffff880139e25600: 1f 00 00 00 00 00 00 00 ........ Padding 0xffff880139e25610: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ Pid: 22158, comm: work_for_cpu Not tainted 2.6.32-rc8 #2 Call Trace: [] print_trailer+0x12a/0x133 [] check_bytes_and_report+0xa9/0xd0 [] ? amd64_init_one_instance+0x220/0x33e [amd64_edac_mod] [] check_object+0x5e/0x1b6 [] __slab_free+0x13a/0x25c [] kfree+0xd6/0xe8 [] amd64_init_one_instance+0x220/0x33e [amd64_edac_mod] [] ? do_work_for_cpu+0x0/0x2b [] local_pci_probe+0x17/0x1b [] do_work_for_cpu+0x18/0x2b [] ? do_work_for_cpu+0x0/0x2b [] kthread+0x6e/0x76 [] child_rip+0xa/0x20 [] ? kthread+0x0/0x76 [] ? child_rip+0x0/0x20 FIX kmalloc-16: Restoring 0xffff880139e25600-0xffff880139e25607=0xcc EDAC amd64: NB MCE bank disabled, set MSR 0x0000017b[4] on node 0 to enable. EDAC amd64: WARNING: ECC is disabled by BIOS. Module will NOT be loaded. Either Enable ECC in the BIOS, or set 'ecc_enable_override'. Also, use of the override can cause unknown side effects. amd64_edac: probe of 0000:00:18.2 failed with error -22 EDAC amd64: ECC is enabled by BIOS. ============================================================================= BUG kmalloc-16: Redzone overwritten ----------------------------------------------------------------------------- INFO: 0xffff88027582e060-0xffff88027582e067. First byte 0x1f instead of 0xcc INFO: Slab 0xffffea00089b4a10 objects=102 used=2 fp=0xffff88027582e028 flags=0xc00000000000c3 INFO: Object 0xffff88027582e050 @offset=80 fp=0xffff88027582e028 Bytes b4 0xffff88027582e040: 78 e0 82 75 02 88 ff ff 5a 5a 5a 5a 5a 5a 5a 5a x�.u..��ZZZZZZZZ Object 0xffff88027582e050: 1f 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Redzone 0xffff88027582e060: 1f 00 00 00 00 00 00 00 [root@ca-ostest293 ~]# ........ Padding 0xffff88027582e070: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ Pid: 22161, comm: work_for_cpu Not tainted 2.6.32-rc8 #2 Call Trace: [] print_trailer+0x12a/0x133 [] check_bytes_and_report+0xa9/0xd0 [] ? amd64_init_one_instance+0x220/0x33e [amd64_edac_mod] [] check_object+0x5e/0x1b6 [] __slab_free+0x13a/0x25c [] kfree+0xd6/0xe8 [] amd64_init_one_instance+0x220/0x33e [amd64_edac_mod] [] ? do_work_for_cpu+0x0/0x2b [] local_pci_probe+0x17/0x1b [] do_work_for_cpu+0x18/0x2b [] ? do_work_for_cpu+0x0/0x2b [] kthread+0x6e/0x76 [] child_rip+0xa/0x20 [] ? kthread+0x0/0x76 [] ? child_rip+0x0/0x20 FIX kmalloc-16: Restoring 0xffff88027582e060-0xffff88027582e067=0xcc EDAC amd64: NB MCE bank disabled, set MSR 0x0000017b[4] on node 1 to enable. EDAC amd64: WARNING: ECC is disabled by BIOS. Module will NOT be loaded. Either Enable ECC in the BIOS, or set 'ecc_enable_override'. Also, use of the override can cause unknown side effects. amd64_edac: probe of 0000:00:19.2 failed with error -22 initcall amd64_edac_init+0x0/0x849 [amd64_edac_mod] returned 0 after 1381423 usecs -- ~Randy -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/