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 lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B52DFEB64D7 for ; Tue, 20 Jun 2023 19:36:05 +0000 (UTC) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.a=rsa-sha256 header.s=20221208 header.b=7kPXp7k4; dkim-atps=neutral Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4Qlxh36vjsz3bl3 for ; Wed, 21 Jun 2023 05:36:03 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.a=rsa-sha256 header.s=20221208 header.b=7kPXp7k4; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=google.com (client-ip=2607:f8b0:4864:20::132; helo=mail-il1-x132.google.com; envelope-from=yuzhao@google.com; receiver=lists.ozlabs.org) Received: from mail-il1-x132.google.com (mail-il1-x132.google.com [IPv6:2607:f8b0:4864:20::132]) (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 lists.ozlabs.org (Postfix) with ESMTPS id 4Qlxg01bRRz30fM for ; Wed, 21 Jun 2023 05:35:07 +1000 (AEST) Received: by mail-il1-x132.google.com with SMTP id e9e14a558f8ab-34226590ee3so4355ab.1 for ; Tue, 20 Jun 2023 12:35:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20221208; t=1687289702; x=1689881702; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=fgrxymiL5F23/uQmHvgS1nLpXKJr0BIn13qrER7wwUU=; b=7kPXp7k4k+3HQGQzrHrTpVpC3+CYleh95LDUwmec0QRk8dXNViGFWdBoz7WYLFDgcq 9mzHFBG5RHc2WSbLLbPyGdEp5AmINu2/OyLEWgcZf+0hmVyukWzeI9WzKpn5lDraUg41 Dw/NwQykbQWflDY01t2Xa8m4gtL2GYxENYVhbBPOD7iPGeMUHF3RkcOmREB6tQWYIyA5 XTXqWOobv7doQadn8nft8qmFt5iL9tsIOnhnShBm4eHh4P79WicxoRYCMwUD9IZWLfXC dO/X0gIp4xuEMjfEGoGJzmZJ3MBcBncVYobqgQ4tjM5GhUdMlCQth5ROf2w2n7qtSTNq X0Xg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687289702; x=1689881702; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=fgrxymiL5F23/uQmHvgS1nLpXKJr0BIn13qrER7wwUU=; b=X3czsx6DbPryNH5Ktp97M1HhnaBpJQLFwx/tKXlQGmJX0Dx2CGtufW7U1D7yP2rrfh mFAbOhvUgGPqiQabOQabITGPJFUCOq1TM3MBbSf5lMeliGHFABAMEK9ZXcknqm2RsvRa nJ7I9PftePsxgW2TyHvSCIc5GXOxMIDkEUPbKdEoI7FxHaeIzl5Ove4qL8sZYgW1O1U/ 3EP4DAM/5tWjlg6XfFLTJ7z0H40M6qekDSxZYxvPsaDMkO8xqpJVshcRI7z79G0jzgwJ gIoXzCmQw5UPOoi1lydMYE/FbxmfCKNHqIyG21UGGR6bATPO4nt4FH2zEzwknvFuXGJx g7Kg== X-Gm-Message-State: AC+VfDz5jATvCO4O3XOR8eMwbkP9JQn8lPCZoS3oF2QUNRE8fMvHfg0W n8+WkZK167g2BJ9243t5XXlqwhfxXHm3G2paVGRcGkxF X-Google-Smtp-Source: ACHHUZ44V25+O8mS80jURqzGFzPrKPMSqVw1BoroQxBnqtQVlcnBpGMB1LnZ45g5iJ7Zfpl9IGJ4cg== X-Received: by 2002:a05:6e02:1d84:b0:33d:8f9f:9461 with SMTP id h4-20020a056e021d8400b0033d8f9f9461mr1114326ila.18.1687289702251; Tue, 20 Jun 2023 12:35:02 -0700 (PDT) Received: from google.com ([2620:15c:183:202:53f6:d461:243c:9e3d]) by smtp.gmail.com with ESMTPSA id r4-20020a92d444000000b003427daab8a9sm811947ilm.10.2023.06.20.12.35.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 20 Jun 2023 12:35:01 -0700 (PDT) Date: Tue, 20 Jun 2023 13:34:57 -0600 From: Yu Zhao To: Sachin Sant Subject: Re: [6.4.0-rc7-next-20230620] Boot failure on IBM Power LPAR Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-mm@kvack.org, linuxppc-dev Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Tue, Jun 20, 2023 at 05:41:57PM +0530, Sachin Sant wrote: > 6.4.0-rc7-next-20230620 fails to boot on IBM Power LPAR with following Sorry for hijacking this thread -- I've been seeing another crash on NV since -rc1 but I haven't had the time to bisect. Just FYI. [ 0.814500] BUG: Unable to handle kernel data access on read at 0xc00a0000000003f9 [ 0.814814] Faulting instruction address: 0xc000000000c77324 [ 0.814988] Oops: Kernel access of bad area, sig: 11 [#1] [ 0.815185] LE PAGE_SIZE=64K MMU=Radix SMP NR_CPUS=2048 NUMA PowerNV [ 0.815487] Modules linked in: [ 0.815653] CPU: 4 PID: 1 Comm: swapper/0 Not tainted 6.4.0-rc7 #1 [ 0.815980] Hardware name: ZAIUS_FX_10 POWER9 (raw) 0x4e1202 opal:custom PowerNV [ 0.816293] NIP: c000000000c77324 LR: c000000000c7c2c8 CTR: c000000000c77270 [ 0.816525] REGS: c00020000a416de0 TRAP: 0300 Not tainted (6.4.0-rc7) [ 0.816778] MSR: 9000000000009033 CR: 24008280 XER: 20040000 [ 0.817113] CFAR: c000000000c772c8 DAR: c00a0000000003f9 DSISR: 40000000 IRQMASK: 1 [ 0.817113] GPR00: c000000000c7c2c8 c00020000a417080 c000000001deea00 00000000000003f9 [ 0.817113] GPR04: 0000000000000001 0000000000000000 c0000000027f3b28 c0000000016e0610 [ 0.817113] GPR08: 0000000000000000 c000000002b9db10 c000000002b903e0 0000000084008282 [ 0.817113] GPR12: 0000000000000000 c000003ffffdba00 c0000000000128c8 0000000000000000 [ 0.817113] GPR16: 0000000000000000 0000000000000000 0000000000000000 0000000000000007 [ 0.817113] GPR20: c0000000027903f0 c0000000020034a4 c0000000029db000 0000000000000000 [ 0.817113] GPR24: c0000000029dad70 c0000000029dad50 0000000000000000 0000000000000001 [ 0.817113] GPR28: c000000002d57378 0000000000000000 c000000002d47378 c00a0000000003f9 [ 0.820185] NIP [c000000000c77324] io_serial_in+0xb4/0x130 [ 0.820383] LR [c000000000c7c2c8] serial8250_config_port+0x4b8/0x1680 [ 0.820610] Call Trace: [ 0.820733] [c00020000a417080] [c000000000c768c8] serial8250_request_std_resource+0x88/0x200 (unreliable) [ 0.821221] [c00020000a4170c0] [c000000000c7be50] serial8250_config_port+0x40/0x1680 [ 0.821623] [c00020000a417190] [c000000000c733ec] univ8250_config_port+0x11c/0x1e0 [ 0.821956] [c00020000a4171f0] [c000000000c71824] uart_add_one_port+0x244/0x750 [ 0.822244] [c00020000a417310] [c000000000c73958] serial8250_register_8250_port+0x3b8/0x780 [ 0.822504] [c00020000a4173c0] [c000000000c7411c] serial8250_probe+0x14c/0x1e0 [ 0.822833] [c00020000a417760] [c000000000cd87e8] platform_probe+0x98/0x1b0 [ 0.823157] [c00020000a4177e0] [c000000000cd2a50] really_probe+0x130/0x5b0 [ 0.823517] [c00020000a417870] [c000000000cd2f94] __driver_probe_device+0xc4/0x240 [ 0.823827] [c00020000a4178f0] [c000000000cd3164] driver_probe_device+0x54/0x180 [ 0.824096] [c00020000a417930] [c000000000cd3618] __driver_attach+0x168/0x300 [ 0.824330] [c00020000a4179b0] [c000000000ccf468] bus_for_each_dev+0xa8/0x130 [ 0.824650] [c00020000a417a10] [c000000000cd1ef4] driver_attach+0x34/0x50 [ 0.825094] [c00020000a417a30] [c000000000cd112c] bus_add_driver+0x16c/0x310 [ 0.825445] [c00020000a417ac0] [c000000000cd55d4] driver_register+0xa4/0x1b0 [ 0.825787] [c00020000a417b30] [c000000000cd7548] __platform_driver_register+0x38/0x50 [ 0.826037] [c00020000a417b50] [c00000000206be38] serial8250_init+0x1f8/0x270 [ 0.826267] [c00020000a417c00] [c000000000012260] do_one_initcall+0x60/0x300 [ 0.826529] [c00020000a417ce0] [c0000000020052c4] kernel_init_freeable+0x3c0/0x484 [ 0.826883] [c00020000a417de0] [c0000000000128f4] kernel_init+0x34/0x1e0 [ 0.827187] [c00020000a417e50] [c00000000000d014] ret_from_kernel_user_thread+0x14/0x1c [ 0.827595] --- interrupt: 0 at 0x0 [ 0.827722] NIP: 0000000000000000 LR: 0000000000000000 CTR: 0000000000000000 [ 0.827951] REGS: c00020000a417e80 TRAP: 0000 Not tainted (6.4.0-rc7) [ 0.828162] MSR: 0000000000000000 <> CR: 00000000 XER: 00000000 [ 0.828394] CFAR: 0000000000000000 IRQMASK: 0 [ 0.828394] GPR00: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [ 0.828394] GPR04: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [ 0.828394] GPR08: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [ 0.828394] GPR12: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [ 0.828394] GPR16: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [ 0.828394] GPR20: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [ 0.828394] GPR24: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [ 0.828394] GPR28: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [ 0.831329] NIP [0000000000000000] 0x0 [ 0.831445] LR [0000000000000000] 0x0 [ 0.831554] --- interrupt: 0 [ 0.831664] Code: 7bc30020 eba1ffe8 ebc1fff0 ebe1fff8 4e800020 60000000 60420000 3d2200db 3929f110 ebe90000 7fe3fa14 7c0004ac <8bdf0000> 0c1e0000 4c00012c 57de063e [ 0.832263] ---[ end trace 0000000000000000 ]---