Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933006Ab3HGXeN (ORCPT ); Wed, 7 Aug 2013 19:34:13 -0400 Received: from mail-oa0-f49.google.com ([209.85.219.49]:64663 "EHLO mail-oa0-f49.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757214Ab3HGXeJ (ORCPT ); Wed, 7 Aug 2013 19:34:09 -0400 MIME-Version: 1.0 In-Reply-To: References: <2146168.3J7W6RtiZr@vostro.rjw.lan> Date: Wed, 7 Aug 2013 16:34:08 -0700 X-Google-Sender-Auth: IwXmKQmxyj-U2JbhYrEHYi4_1Po Message-ID: Subject: Re: linux-next: Tree for Aug 7 [ call-trace on suspend: ext4 | pm related ? ] From: Colin Cross To: sedat.dilek@gmail.com Cc: "Rafael J. Wysocki" , Stephen Rothwell , linux-next@vger.kernel.org, lkml , Ext4 Developers List , "Theodore Ts'o" , Linux PM List , Tejun Heo Content-Type: multipart/mixed; boundary=e89a8ff242a363808d04e363faa7 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2308 Lines: 44 --e89a8ff242a363808d04e363faa7 Content-Type: text/plain; charset=ISO-8859-1 On Wed, Aug 7, 2013 at 4:15 PM, Sedat Dilek wrote: > On Thu, Aug 8, 2013 at 12:58 AM, Colin Cross wrote: >> Can you try add a call to show_state_filter(TASK_UNINTERRUPTIBLE) in >> the error path of try_to_freeze_tasks(), where it prints the "refusing >> to freeze" message? It will print the stack trace of every thread >> since they are all in the freezer, so the output will be very long. >> > > If you provide a patch, I will give it a try. Try the attached patch. --e89a8ff242a363808d04e363faa7 Content-Type: application/octet-stream; name="0001-HACK-print-stack-trace-for-all-tasks-when-freezing-f.patch" Content-Disposition: attachment; filename="0001-HACK-print-stack-trace-for-all-tasks-when-freezing-f.patch" Content-Transfer-Encoding: base64 X-Attachment-Id: f_hk36b8390 RnJvbSBjMTZmMmEyYzM5ZTI5MWU4ZDRmYjM1ZjM0N2M0ZjVmNjNlZWExYzM2IE1vbiBTZXAgMTcg MDA6MDA6MDAgMjAwMQpGcm9tOiBDb2xpbiBDcm9zcyA8Y2Nyb3NzQGFuZHJvaWQuY29tPgpEYXRl OiBXZWQsIDcgQXVnIDIwMTMgMTY6MzI6MTkgLTA3MDAKU3ViamVjdDogW1BBVENIXSBIQUNLOiBw cmludCBzdGFjayB0cmFjZSBmb3IgYWxsIHRhc2tzIHdoZW4gZnJlZXppbmcgZmFpbHMKCkNoYW5n ZS1JZDogSTk4YTU5ZmFhMjU4MDQ1OGVjMGZhODZlNDA0N2YyNzk0MzBjYzgxZjAKLS0tCiBrZXJu ZWwvcG93ZXIvcHJvY2Vzcy5jIHwgMyArKysKIDEgZmlsZSBjaGFuZ2VkLCAzIGluc2VydGlvbnMo KykKCmRpZmYgLS1naXQgYS9rZXJuZWwvcG93ZXIvcHJvY2Vzcy5jIGIva2VybmVsL3Bvd2VyL3By b2Nlc3MuYwppbmRleCAwNmVjODg2Li41ZDE3NGRmIDEwMDY0NAotLS0gYS9rZXJuZWwvcG93ZXIv cHJvY2Vzcy5jCisrKyBiL2tlcm5lbC9wb3dlci9wcm9jZXNzLmMKQEAgLTkwLDYgKzkwLDkgQEAg c3RhdGljIGludCB0cnlfdG9fZnJlZXplX3Rhc2tzKGJvb2wgdXNlcl9vbmx5KQogCQkgICAgICAg ZWxhcHNlZF9tc2VjcyAvIDEwMDAsIGVsYXBzZWRfbXNlY3MgJSAxMDAwLAogCQkgICAgICAgdG9k byAtIHdxX2J1c3ksIHdxX2J1c3kpOwogCisJCXByX2Vycigic2hvd2luZyBhbGwgYmxvY2tlZCB0 YXNrc1xuIik7CisJCXNob3dfc3RhdGVfZmlsdGVyKFRBU0tfVU5JTlRFUlJVUFRJQkxFKTsKKwog CQlpZiAoIXdha2V1cCkgewogCQkJcmVhZF9sb2NrKCZ0YXNrbGlzdF9sb2NrKTsKIAkJCWRvX2Vh Y2hfdGhyZWFkKGcsIHApIHsKLS0gCjEuOC4zCgo= --e89a8ff242a363808d04e363faa7-- -- 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/