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=-3.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no 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 08E09C433E6 for ; Fri, 28 Aug 2020 12:53:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CE8982086A for ; Fri, 28 Aug 2020 12:53:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="IpyZq3V4" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729477AbgH1Mxq (ORCPT ); Fri, 28 Aug 2020 08:53:46 -0400 Received: from mail29.static.mailgun.info ([104.130.122.29]:13426 "EHLO mail29.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729172AbgH1MxM (ORCPT ); Fri, 28 Aug 2020 08:53:12 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1598619192; h=Content-Type: MIME-Version: Message-ID: In-Reply-To: Date: References: Subject: Cc: To: From: Sender; bh=Wj2BdT67evytWv+SyfrUVgpdPA51zx+19n8so/CABzM=; b=IpyZq3V4Cse4G1t913ElgCLcPgox7xdXx4fd7RtbjJusAOFIC0r1n0sg6IHkM6NIGowJXD+v tJYApfAQF7dHIz4UvSyRJz8FtmZ7Np8iVTun9QYlh90gWwxX+/Jijhj9hv/1bbipckmO9aqX abbs7yOJ0p0hiU4cWSMSzob/0CM= X-Mailgun-Sending-Ip: 104.130.122.29 X-Mailgun-Sid: WyI0MWYwYSIsICJsaW51eC1rZXJuZWxAdmdlci5rZXJuZWwub3JnIiwgImJlOWU0YSJd Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n05.prod.us-west-2.postgun.com with SMTP id 5f48fe276a801be9b2db42f7 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Fri, 28 Aug 2020 12:52:55 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 2FDC1C433C6; Fri, 28 Aug 2020 12:52:55 +0000 (UTC) Received: from potku.adurom.net (88-114-240-156.elisa-laajakaista.fi [88.114.240.156]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: kvalo) by smtp.codeaurora.org (Postfix) with ESMTPSA id D8DF1C433CA; Fri, 28 Aug 2020 12:52:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org D8DF1C433CA Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=none smtp.mailfrom=kvalo@codeaurora.org From: Kalle Valo To: Amit Pundir Cc: Govind Singh , Rakesh Pillai , Brian Norris , lkml , ath10k , Bjorn Andersson , John Stultz , Sibi Sankar , Manivannan Sadhasivam , Niklas Cassel Subject: Re: [PATCH] wireless: ath10k: Return early in ath10k_qmi_event_server_exit() to avoid hard crash on reboot References: <20200602052533.15048-1-john.stultz@linaro.org> <20200603002715.GA5349@Mani-XPS-13-9360> <87zh9diyam.fsf@codeaurora.org> Date: Fri, 28 Aug 2020 15:52:49 +0300 In-Reply-To: (Amit Pundir's message of "Mon, 17 Aug 2020 14:36:09 +0530") Message-ID: <87ft876ify.fsf@codeaurora.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Amit Pundir writes: > On Mon, 8 Jun 2020 at 17:07, Kalle Valo wrote: >> > I don't agree with this. If you read through the replies to the bug report, >> > it is clear that NS migration uncovered a corner case or even a bug. So we >> > should try to fix that indeed. >> >> I'm with Mani, we should try to fix ath10k instead. Hopefully we can >> find a fix soon. > > Hi Team, > > Any updates on this? I can reproduce this hard crash on v5.9-rc1 as well. > > It is not a blocker for us because we switched to a userspace > workaround, where we do not wait for modem to shutdown gracefully and > SIGKILL it instead, during the shutdown/reboot process. But I'm happy > to take a swing at any intermediate/in-progress solution available. Govind submitted this patch and later he asked to drop it, but I think it would be a good idea to test it anyway: ath10k: Move msa region map/unmap to init/deinit path https://lkml.kernel.org/r/1591191231-31917-1-git-send-email-govinds@codeaurora.org (patchwork is down so I cannot give a patchwork link) -- https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches