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[192.35.17.2]) by gmr-mx.google.com with ESMTPS id s8si490332wme.0.2019.04.12.10.14.11 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 12 Apr 2019 10:14:11 -0700 (PDT) Received-SPF: pass (google.com: domain of henning.schild@siemens.com designates 192.35.17.2 as permitted sender) client-ip=192.35.17.2; Authentication-Results: gmr-mx.google.com; spf=pass (google.com: domain of henning.schild@siemens.com designates 192.35.17.2 as permitted sender) smtp.mailfrom=henning.schild@siemens.com Received: from mail2.sbs.de (mail2.sbs.de [192.129.41.66]) by thoth.sbs.de (8.15.2/8.15.2) with ESMTPS id x3CHEBXH032336 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 12 Apr 2019 19:14:11 +0200 Received: from md1za8fc.ad001.siemens.net ([139.25.68.211]) by mail2.sbs.de (8.15.2/8.15.2) with ESMTP id x3CHEAV0000989; Fri, 12 Apr 2019 19:14:10 +0200 Date: Fri, 12 Apr 2019 19:14:09 +0200 From: Henning Schild To: "Maxim Yu. Osipov" Cc: Subject: Re: [PATCH] qemui386-buster: Switch to linux-image intended for older PCs Message-ID: <20190412191409.67e31bf9@md1za8fc.ad001.siemens.net> In-Reply-To: <20190401145612.31564-1-mosipov@ilbers.de> References: <20190401145612.31564-1-mosipov@ilbers.de> X-Mailer: Claws Mail 3.17.3 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-TUID: G+tNb3eypEgI Am Mon, 1 Apr 2019 16:56:12 +0200 schrieb "Maxim Yu. Osipov" : > linux-image with suffix 686-pae frequently experiences > problems during boot: > > [ 30.458173] ------------[ cut here ]------------ > [ 30.458649] kernel BUG at arch/x86/kernel/alternative.c:726! > [ 30.459483] invalid opcode: 0000 [#1] SMP PTI > [ 30.459960] CPU: 0 PID: 176 Comm: systemd-udevd Tainted: > G OE 4.19.0-4-686-pae #1 Debian 4.19.28-2 > [ 30.460749] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), > BIOS 1.10.2-1 04/01/2014 [ 30.461571] EIP: text_poke+0x1bc/0x250 > [ 30.461932] Code: 0f b6 07 38 01 75 23 8b 55 e8 8d 47 01 8d 34 1f > 83 c2 01 8d 76 00 39 f0 74 14 0f b6 18 0f b6 0a 83 c0 01 83 c2 01 38 > cb 74 ec <0f> 0b 66 90 8b 45 dc 50 9d 8d 74 26 00 8d 65 f4 89 f8 5b > 5e 5f 5d [ 30.463339] EAX: 000000f0 EBX: 00000001 ECX: f642be1b > EDX: ffd30000 [ 30.463828] ESI: d0060b90 EDI: f7c00350 EBP: > f642be00 ESP: f642bddc [ 30.464328] DS: 007b ES: 007b FS: 00d8 GS: > 00e0 SS: 0068 EFLAGS: 00200007 [ 30.464864] CR0: 80050033 CR2: > f9a00000 CR3: 3642c000 CR4: 000006b0 [ 30.465453] Call Trace: > [ 30.466264] alternatives_smp_module_add+0x141/0x150 > [ 30.466768] module_finalize+0x137/0x160 [ 30.467134] > load_module+0x1a47/0x1e90 [ 30.467472] ? > kernel_read_file+0x1e7/0x220 [ 30.467844] > sys_finit_module+0x89/0xe0 [ 30.468217] > do_fast_syscall_32+0x81/0x184 [ 30.468573] > entry_SYSENTER_32+0x6b/0xbe [ 30.478343] EIP: 0xb7ef0d71 > [ 30.487659] Code: f6 ff ff 55 89 e5 8b 55 08 8b 80 5c cd ff ff 85 > d2 74 02 89 02 5d c3 8b 04 24 c3 8b 1c 24 c3 90 90 51 52 55 89 e5 0f > 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d 76 00 58 b8 77 00 00 00 cd 80 > 90 8d 76 [ 30.507802] EAX: ffffffda EBX: 0000000f ECX: b7d00bdd > EDX: 00000000 [ 30.517900] ESI: 00fba390 EDI: 00fba140 EBP: > 00000000 ESP: bfbf781c [ 30.527949] DS: 007b ES: 007b FS: 0000 GS: > 0033 SS: 007b EFLAGS: 00200292 [ 30.538212] Modules linked in: > bochs_drm ttm drm_kms_helper evdev drm pcspkr serio_raw sg parport_pc > parport qemu_fw_cfg button example_module(OE) ip_tables x_tables > autofs4 ext4 crc16 mbcache jbd2 crc32c_generic fscrypto ecb > crypto_simd cryptd aes_i586 sr_mod cdrom sd_mod ata_generic ata_piix > libata psmouse scsi_mod e1000 i2c_piix4 floppy [ 30.571056] > ---[ end trace c162d77644e01483 ]--- Is that reproducible? Which qemu version are you running that on? This might be something to forward to qemu/kernel (more likely qemu) instead of just ignoring that finding. PAE together with spectre/meltdown mitigations smells ... Henning > Switch to other linux-image flavor (intended for older PCs), > which behaves stable. > > Signed-off-by: Maxim Yu. Osipov > --- > meta-isar/conf/multiconfig/qemui386-buster.conf | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/meta-isar/conf/multiconfig/qemui386-buster.conf > b/meta-isar/conf/multiconfig/qemui386-buster.conf index > 4216d85..6b5a18e 100644 --- > a/meta-isar/conf/multiconfig/qemui386-buster.conf +++ > b/meta-isar/conf/multiconfig/qemui386-buster.conf @@ -5,7 +5,7 @@ > MACHINE ?= "qemui386" DISTRO ?= "debian-buster" > DISTRO_ARCH ?= "i386" > > -KERNEL_NAME ?= "686-pae" > +KERNEL_NAME ?= "686" > > IMAGE_TYPE ?= "wic-img" > WKS_FILE ?= "directdisk-isar"