From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4FA002AB53 for ; Thu, 12 Oct 2023 16:54:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="XYDux2c1" Received: from mail-ed1-x532.google.com (mail-ed1-x532.google.com [IPv6:2a00:1450:4864:20::532]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C5971C6 for ; Thu, 12 Oct 2023 09:54:50 -0700 (PDT) Received: by mail-ed1-x532.google.com with SMTP id 4fb4d7f45d1cf-53e2dc8fa02so488549a12.2 for ; Thu, 12 Oct 2023 09:54:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1697129689; x=1697734489; darn=vger.kernel.org; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=bBUBWcfqd6h2FYCx6HxLCGICG3O8Ap6wf3BtHDsyNkw=; b=XYDux2c1jm61KTl0piNXwt+k6rvxPnpV3yItyhaASGTP2US5lB3J520yPNlXP1bEN7 P/VPJ802FDEHGUtTsu6BO3QVLzh0sGIB1HsEepeVVBX5AZLH4Pgz0dJuiQXVOdQaMzlZ vwKnBK5hlpq5+MreMPp5VzAfpHnQr+UWQbtrxDP+AlOyW6KUvUi8GVc+i+rBdVzuG+Og ywQsuVByCGWvanFIkNQLS7rxlmF9J31tusfPQy7cw6gcPquZeg5jSBLq9hbjnNVQF7zv K20+TeD3pllofe4IXandv7/f9Q5LOsUZeggzhHVdPunJqjcjGb1VZK+HSSWx3V10+h7F 1iRA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1697129689; x=1697734489; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=bBUBWcfqd6h2FYCx6HxLCGICG3O8Ap6wf3BtHDsyNkw=; b=S7VKtWf/8zPlDrz+v1wcLaTmq9thI9S9M04ip9QaJD9WMC15g7glc1umWbuhyhgLk4 Rj73C1neB7XUWsN3c+J9IEv9TjV4FktIwr2hwcW6MMgMOgkyUkvGsLjTwZulUCmJP8Bf xYhnPPZjyVslik16AppwvdjqiC0mwJ/SSTX4OuEZ/1n+hRau85NuTWXIV5Jk72Jelbw9 8Lbac6V92cbJa0tDEDqOSZagoJ4F1nc4zxog1URwsRYF35rFrDcU1jbV2EJ+V9jycvTN EaFzaXzXWJAQ0GYHH6f/AsGc+njcBebFDUbSgg/6+Uq48/Dr2prR+dOkFy5EegXbEByG 5UoQ== X-Gm-Message-State: AOJu0YwNClwTuiAXUaigHLVMp7Hpp7VyfL8V5GDnExYDgsUFxP+Wp45N X5e8QN69zdcHqVNifVbdnNzApg3mCUAr6HRP3ArjOw== X-Google-Smtp-Source: AGHT+IERlaWWwiML/RFT3cp2GcW0IWarhx9gkibx1TlIHF9bhAGNQd9/QPTUhc2WeHSsLpPbF34UNy9rAMlj9u2bDOA= X-Received: by 2002:aa7:d88e:0:b0:532:e24d:34f4 with SMTP id u14-20020aa7d88e000000b00532e24d34f4mr21115676edq.39.1697129689228; Thu, 12 Oct 2023 09:54:49 -0700 (PDT) Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <267abf02-4b60-4a2e-92cd-709e3da6f7d3@gmail.com> In-Reply-To: <267abf02-4b60-4a2e-92cd-709e3da6f7d3@gmail.com> From: Loic Poulain Date: Thu, 12 Oct 2023 18:54:11 +0200 Message-ID: Subject: Re: Intel 7560 LTE Modem stops working after resuming from standby To: Bagas Sanjaya , M Chetan Kumar Cc: Linux Kernel Mailing List , Linux Regressions , Linux Networking , Linux Intel Wireless WAN , "David S. Miller" , Sergey Ryazanov , Johannes Berg Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Hi Chetan, On Thu, 12 Oct 2023 at 11:52, Bagas Sanjaya wrote: > I notice a regression report on Bugzilla [1]. Quoting from it: > > > I noticed a few days ago, after Fedora moved to Kernel 6.5, that my Intel LTE Modem was not working anymore after resuming from standby. > > > > The journal listed this error message multiple times: > > kernel: iosm 0000:01:00.0: msg timeout > > > > It took me a while to determine the root cause of the problem, since the modem did not work either in the following warm reboots. > > Only a shutdown revived the modem. > > > > I did a bisection of the error and I was able to find the culprit: > > > > [e4f5073d53be6cec0c654fac98372047efb66947] net: wwan: iosm: enable runtime pm support for 7560 Any quick fix for this issue? alternatively we will probably revert e4f5073d53. Regards, Loic