From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 80E59CA9EC3 for ; Thu, 31 Oct 2019 04:19:43 +0000 (UTC) Received: from ml01.01.org (ml01.01.org [198.145.21.10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 517582080F for ; Thu, 31 Oct 2019 04:19:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=intel-com.20150623.gappssmtp.com header.i=@intel-com.20150623.gappssmtp.com header.b="kijhLMul" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 517582080F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-nvdimm-bounces@lists.01.org Received: from new-ml01.vlan13.01.org (localhost [IPv6:::1]) by ml01.01.org (Postfix) with ESMTP id D7B8E100EA55E; Wed, 30 Oct 2019 21:20:13 -0700 (PDT) Received-SPF: Pass (mailfrom) identity=mailfrom; client-ip=2607:f8b0:4864:20::342; helo=mail-ot1-x342.google.com; envelope-from=dan.j.williams@intel.com; receiver= Received: from mail-ot1-x342.google.com (mail-ot1-x342.google.com [IPv6:2607:f8b0:4864:20::342]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 891AC100EA554 for ; Wed, 30 Oct 2019 21:20:11 -0700 (PDT) Received: by mail-ot1-x342.google.com with SMTP id b19so4197556otq.10 for ; Wed, 30 Oct 2019 21:19:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=intel-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=5ANTni5esd/W6avlPFRicVa8M39xgxWPQ5ZjKIIJvzk=; b=kijhLMuldPcQ3iE8MnsUWCi/YUvav7iBvPzzW0gJakoCGGA9KVoMtxbGznJ1B+J4J7 wvLAlFgsPWdtIKDpkV4QAZBR/E38T0QS6HViAJF9De01Xx7JzrIc0P05ouwDFlPLWHq4 nfIVUlyqQ0KPBPVPkdvuELfvaAo7dGeHDEoMZpBKA/K5C4hLqbGuS1YlaefqsZ4rt6N/ 4q0P+RxTyu90pGVaswND9CG0OudhcNukyT+ygzLhb5FvGpVmHOXw8hu1sKqxWn6kXhH1 MKrnbhIrPJqt6cwbXUkQkSPFIppz1akcObMifEq425PRTP7a+kWWQAuWFWT6wxZJ49+P JOJw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=5ANTni5esd/W6avlPFRicVa8M39xgxWPQ5ZjKIIJvzk=; b=NlMwxKjx+K5m5kf2Uu/g+GpOn3HwC2ur3IYfB5RUl4de5vTS27EHG8F5pI+iLadVJy dqR1wI714Ex5RkeDDols1QbrsHmjrO+UtrDVHkSSJ2+eBBMHxEJ453aGw2Z5l0PVU0QL //5b/u9w15cn/SIbpUKyA3oqfQcXnusWqP4WhvAHRClxYih95/IXEPkFE2yEn9A2eCPO cDvSOIYBBUVXCbqEmO3UrdejpmETE4RY6sQAsp7syFd4QQt5FOxxDO3NRltU47VS/LHz huoAg4NsG2AQfdfSrFHXNirGQZ4A+3h3ofpjyN+MLPMjJo8yi4PnT+u4r4LV0pY0PwUa HJOg== X-Gm-Message-State: APjAAAWUX4ThJ0i2hoHUX/MLKZ019OGU+wFTymOklvyUfpTdEazJeVjV PkUwLIDw3SUphDMHElaaG8VoMPskcrNAWdDH6Iq3Nw== X-Google-Smtp-Source: APXvYqxQY6aIiIcY+f3IRPDa4+nMvbcYq3Gg9kXeeEiLcn0bwnmN6nbFB8BkfDvLNTLzqZ2uJ+IW6FFMUR/imwdEaTA= X-Received: by 2002:a05:6830:18d1:: with SMTP id v17mr2567241ote.71.1572495579690; Wed, 30 Oct 2019 21:19:39 -0700 (PDT) MIME-Version: 1.0 References: <20191017073308.32645-1-aneesh.kumar@linux.ibm.com> <49c98556-5c57-b8fc-ef50-fa0ed679e094@linux.ibm.com>

In-Reply-To: From: Dan Williams Date: Wed, 30 Oct 2019 21:19:28 -0700 Message-ID: Subject: Re: [PATCH v3] libnvdimm/nsio: differentiate between probe mapping and runtime mapping To: "Aneesh Kumar K.V" Content-Type: multipart/mixed; boundary="000000000000705f4c05962d2857" Message-ID-Hash: ISDUIGUIIAPPUA6V2BXWVJL57M2EYPV5 X-Message-ID-Hash: ISDUIGUIIAPPUA6V2BXWVJL57M2EYPV5 X-MailFrom: dan.j.williams@intel.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; suspicious-header CC: linux-nvdimm X-Mailman-Version: 3.1.1 Precedence: list List-Id: "Linux-nvdimm developer list." Archived-At: List-Archive: List-Help: List-Post: List-Subscribe: List-Unsubscribe: --000000000000705f4c05962d2857 Content-Type: text/plain; charset="UTF-8" On Wed, Oct 30, 2019 at 9:10 PM Aneesh Kumar K.V wrote: [..] > > > > Can you share the call stack? we clear bad blocks on write isn't? and we > do only read while probing? > > We are still working on enabling `ndctl test` to run on POWER. Hence was > not able capture these issues. Will try to get that resolved soon. Here's the splat. I've also attached a reworked version of the patch that has code organization fixups. It might be the case that it needs to fully move to a model where each nd_*_probe() routine does its own management of devm_namespace_enable() based on the sizes it needs to complete the probe process. nd_pmem namespace3.0: request out of range WARNING: CPU: 16 PID: 1551 at tools/testing/nvdimm/../../../drivers/nvdimm/claim.c:264 nsio_rw_bytes+0x14c/0x260 [libnvdimm] RIP: 0010:nsio_rw_bytes+0x14c/0x260 [libnvdimm] Call Trace: nd_pfn_validate+0x3d9/0x560 [libnvdimm] nd_pfn_probe+0xc0/0x150 [libnvdimm] ? nd_btt_probe+0x1e/0x270 [libnvdimm] nd_pmem_probe+0x63/0xc0 [nd_pmem] nvdimm_bus_probe+0x91/0x310 [libnvdimm] That nd_pfn_validate+0x3d9 corresponds to the nvdimm_write_bytes() in nd_pfn_clear_memmap_errors(). --000000000000705f4c05962d2857 Content-Type: text/x-patch; charset="US-ASCII"; name="namespace-enable.patch" Content-Disposition: attachment; filename="namespace-enable.patch" Content-Transfer-Encoding: base64 Content-ID: X-Attachment-Id: f_k2e78xhy0 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