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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2686BC433F5 for ; Fri, 7 Jan 2022 17:32:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348586AbiAGRcu (ORCPT ); Fri, 7 Jan 2022 12:32:50 -0500 Received: from smtp-relay-internal-0.canonical.com ([185.125.188.122]:59050 "EHLO smtp-relay-internal-0.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237699AbiAGRct (ORCPT ); Fri, 7 Jan 2022 12:32:49 -0500 Received: from mail-ed1-f69.google.com (mail-ed1-f69.google.com [209.85.208.69]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by smtp-relay-internal-0.canonical.com (Postfix) with ESMTPS id 44E8B40A58 for ; Fri, 7 Jan 2022 17:32:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canonical.com; s=20210705; t=1641576762; bh=reiJbrHsd6HUY73y6dW3uK1fLpWZ0z6nBvTr3IYdF1I=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type; b=CDBbniOLG2fzCedU1W1uGhuW1uSYpVieoy9rDDZ7SmyfeNfMGQBJZUvWW8KoFK2Bp fVN+3zZvlLhhDRgxvwrgU667tXL8OuunNBMsICFGYyMq2X2u4hpGSnF9wiwKSPcoyu hoSl9wZDDctBJGrVOpG/SSlLOe293XpBcqYpLTVH56gt1SEGOm2nLBMlVDECMitUMu +J7HfBPfhY2lGqY3u02eyzE+l+J3X7uellmANesYi+ieq9ZCmoy3L2WDrnNiXz5EDq /ubwIc6DmKYgcQpWbbwYL0nq4zY71BFOX9rXNyad+qBUqwxk98kly3hW0234SiydNy w8kOu3ViI+3Ig== Received: by mail-ed1-f69.google.com with SMTP id x19-20020a05640226d300b003f8b80f5729so5176363edd.13 for ; Fri, 07 Jan 2022 09:32:42 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:mime-version :content-disposition; bh=reiJbrHsd6HUY73y6dW3uK1fLpWZ0z6nBvTr3IYdF1I=; b=JR59BJ729LMlSNOM+NSXt/PUdt9E9ODqFsncrcBmMa3o03xhHSTgx310UOq2OGvb0D 5qxd+teGBRQAd2VdqRfbGCTkgUcLC7rI16JJwfRlmo/CymbLIHEOD3ERrkXnWYSU8NtX Isxc25ztz2yo3qencTbnz3sDExy1BsVQQ2lUv+pO8FRfl/0Aq+cmTVlmw+kOk2sknm/X JAsWCZvj3g1YKJ4dKkBXGyGXBQz1gRhcGxDIFcrHte1c8dZonSEaVegW4DU8VIqaxlxj RVdDjw60+2lOffRosNH8KrRV7G6SLP62/+5GbNSKA9RYXetdYFghSepjT8pl+AwUNbqL 846w== X-Gm-Message-State: AOAM5318epcQRELuU8jcvvLgpUymyP3jXSXIuC5X6sRU9qvRsqGazQoU w8R761U1mv7g/j9U5+q5vbxzCP48bAIyJ6WkJVVzch0JbbsUCYkrNKeWRwDCFWI9cIAEnVgPzMC Jn8HVhn04hrjefSix56NlEvAZsttygr/IXBk1Ow== X-Received: by 2002:a05:6402:1e88:: with SMTP id f8mr58042946edf.2.1641576761933; Fri, 07 Jan 2022 09:32:41 -0800 (PST) X-Google-Smtp-Source: ABdhPJymgxobe9HSGQM+bXdtE+Ng/EHT7YtrMrHAaqPUP6/VX7AeRCAV/M1g3xczPO8LehBpBNlmtA== X-Received: by 2002:a05:6402:1e88:: with SMTP id f8mr58042935edf.2.1641576761781; Fri, 07 Jan 2022 09:32:41 -0800 (PST) Received: from localhost ([2001:67c:1560:8007::aac:c1b6]) by smtp.gmail.com with ESMTPSA id dd5sm1583151ejc.59.2022.01.07.09.32.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 07 Jan 2022 09:32:41 -0800 (PST) Date: Fri, 7 Jan 2022 18:32:40 +0100 From: Andrea Righi To: Stefan Roese Cc: Thomas Gleixner , Bjorn Helgaas , Michal Simek , Marek Vasut , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org Subject: "PCI/MSI: Mask MSI-X vectors only on success" (boot problem on c4.large) Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Hi Stefan, I'm experiencing some boot problems on c4.large instances on AWS with this commit applied (system stuck at boot - no oops or panic, just stuck): 83dbf898a2d4 ("PCI/MSI: Mask MSI-X vectors only on success") If I revert this commit the boot completes correctly (found doing a bisect). I'm using a 5.15.12 kernel. Let me know if there's anything I can do to better track down the issue. For now I've just reverted the commit. Thanks, -Andrea