Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755428AbaFKGQj (ORCPT ); Wed, 11 Jun 2014 02:16:39 -0400 Received: from silver.sucs.swan.ac.uk ([137.44.10.1]:46356 "EHLO silver.sucs.swan.ac.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750976AbaFKGQi (ORCPT ); Wed, 11 Jun 2014 02:16:38 -0400 Date: Wed, 11 Jun 2014 07:16:24 +0100 From: Sitsofe Wheeler To: Igor Mammedov Cc: Toshi Kani , Thomas Gleixner , Ingo Molnar , linux-kernel@vger.kernel.org Subject: Re: [BISECTED][REGRESSION] Kernel does not boot on EeePC Message-ID: <20140611061624.GA12132@sucs.org> References: <20140608090223.GA8703@sucs.org> <20140609122616.124ebe43@thinkpad> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140609122616.124ebe43@thinkpad> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jun 09, 2014 at 12:26:16PM +0200, Igor Mammedov wrote: > On Sun, 8 Jun 2014 10:02:23 +0100 > Sitsofe Wheeler wrote: > > > The latest kernel (c593e8978722f7f4a12932733cfeed6c0c74fbaa) refuses to > > boot on my EeePC - after grub is finished the screen just remains black > > and the only thing that does something is pressing the power button. The > > problem commit seems to be: > I'm sorry for introducing mess, I don't have EeePC to test this on. > Could you help to track problem on it? > Is there any output if you boot affected kernel with > "earlyprintk=vga ignore_loglevel" options? It basically gives up just before Initializing CPU#0. The following is an approximation of the boot messages that I see on the screen (the early ones are gone before I can eyeball them so this is a blend of a previous dmesg and what I see on the screen during a failure): [ 0.000000] Linux version 3.15.0-0001-gd37cf73 (swheeler@eject) (gcc version 4.8.2 20131212 (Red Hat 4.8.2-7) (GCC) ) #52 Sun Jun 8 22:43:01 BST 2014 [ 0.000000] KERNEL supported cpus: [ 0.000000] Intel GenuineIntel [ 0.000000] Disabled fast string operations [ 0.000000] e820: BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000000e4000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000003f77ffff] usable [ 0.000000] BIOS-e820: [mem 0x000000003f780000-0x000000003f78ffff] ACPI data [ 0.000000] BIOS-e820: [mem 0x000000003f790000-0x000000003f7cffff] ACPI NVS [ 0.000000] BIOS-e820: [mem 0x000000003f7d0000-0x000000003f7ddfff] reserved [ 0.000000] BIOS-e820: [mem 0x000000003f7e0000-0x000000003f7fffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fee00000-0x00000000fee00fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fff80000-0x00000000ffffffff] reserved [ 0.000000] bootconsole [earlyvga0] enabled [ 0.000000] Notice: NX (Execute Disable) protection cannot be enabled: non-PAE kernel! [ 0.000000] SMBIOS 2.5 present. [ 0.000000] DMI: ASUSTeK Computer INC. 900/900, BIOS 1006 03/03/2009 [ 0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved [ 0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable [ 0.000000] e820: last_pfn = 0x3f780 max_arch_pfn = 0x100000 [ 0.000000] MTRR default type: uncachable [ 0.000000] MTRR fixed ranges enabled: [ 0.000000] 00000-9FFFF write-back [ 0.000000] A0000-DFFFF uncachable [ 0.000000] E0000-EFFFF write-through [ 0.000000] F0000-FFFFF write-protect [ 0.000000] MTRR variable ranges enabled: [ 0.000000] 0 base 000000000 mask FC0000000 write-back [ 0.000000] 1 base 03F800000 mask FFF800000 uncachable [ 0.000000] 2 disabled [ 0.000000] 3 disabled [ 0.000000] 4 disabled [ 0.000000] 5 disabled [ 0.000000] 6 disabled [ 0.000000] 7 disabled [ 0.000000] initial memory mapped: [mem 0x00000000-0x00bfffff] [ 0.000000] Base memory trampoline at [b009b000] 9b000 size 16384 [ 0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff] [ 0.000000] [mem 0x00000000-0x000fffff] page 4k [ 0.000000] init_memory_mapping: [mem 0x3f000000-0x3f3fffff] [ 0.000000] [mem 0x3f000000-0x3f3fffff] page 2M [ 0.000000] init_memory_mapping: [mem 0x38000000-0x3effffff] [ 0.000000] [mem 0x38000000-0x3effffff] page 2M [ 0.000000] init_memory_mapping: [mem 0x00100000-0x37ffffff] [ 0.000000] [mem 0x00100000-0x003fffff] page 4k [ 0.000000] [mem 0x00400000-0x37ffffff] page 2M [ 0.000000] init_memory_mapping: [mem 0x3f400000-0x3f77ffff] [ 0.000000] [mem 0x3f400000-0x3f77ffff] page 4k [ 0.000000] BRK [0x00667000, 0x00667fff] PGTABLE [ 0.000000] ACPI: RSDP 0x000FBE90 000014 (v00 ACPIAM) [ 0.000000] ACPI: RSDT 0x3F780000 000034 (v01 A M I OEMRSDT 03000903 MSFT 00000097) [ 0.000000] ACPI: FACP 0x3F780200 000081 (v01 A M I OEMFACP 03000903 MSFT 00000097) [ 0.000000] ACPI: DSDT 0x3F780400 0060FD (v01 A0979 A0979036 00000036 INTL 20060113) [ 0.000000] ACPI: FACS 0x3F790000 000040 [ 0.000000] ACPI: APIC 0x3F780390 000068 (v01 A M I OEMAPIC 03000903 MSFT 00000097) [ 0.000000] ACPI: OEMB 0x3F790040 000046 (v01 A M I AMI_OEM 03000903 MSFT 00000097) [ 0.000000] ACPI: MCFG 0x3F786500 00003C (v01 A M I OEMMCFG 03000903 MSFT 00000097) [ 0.000000] ACPI: Local APIC address 0xfee00000 [ 0.000000] 1015MB LOWMEM available. [ 0.000000] mapped low ram: 0 - 3f780000 [ 0.000000] low ram: 0 - 3f780000 [ 0.000000] Zone ranges: [ 0.000000] Normal [mem 0x00001000-0x3f77ffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x00001000-0x0009efff] [ 0.000000] node 0: [mem 0x00100000-0x3f77ffff] [ 0.000000] On node 0 totalpages: 259870 [ 0.000000] free_area_init_node: node 0, pgdat b05e48c4, node_mem_map eef90020 [ 0.000000] Normal zone: 2031 pages used for memmap [ 0.000000] Normal zone: 0 pages reserved [ 0.000000] Normal zone: 259870 pages, LIFO batch:31 [ 0.000000] Using APIC driver default [ 0.000000] Reserving Intel graphics stolen memory at 0x3f800000-0x3fffffff [ 0.000000] ACPI: PM-Timer IO Port: 0x808 [ 0.000000] ACPI: Local APIC address 0xfee00000 [ 0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled) [ 0.000000] ACPI: IOAPIC (id[0x01] address[0xfec00000] gsi_base[0]) [ 0.000000] IOAPIC[0]: apic_id 1, version 32, address 0xfec00000, GSI 0-23 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.000000] ACPI: IRQ0 used by override. [ 0.000000] ACPI: IRQ2 used by override. [ 0.000000] ACPI: IRQ9 used by override. [ 0.000000] Using ACPI (MADT) for SMP configuration information [ 0.000000] nr_irqs_gsi: 40 [ 0.000000] e820: [mem 0x40000000-0xfedfffff] available for PCI devices [ 0.000000] pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768 [ 0.000000] pcpu-alloc: [0] 0 [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 257839 [ 0.000000] Kernel command line: BOOT_IMAGE=/home/eeeuser/bzImage root=/dev/sdb2 ro rootfstype=ext4 usb_storage.delay_use=0 boot_delay=50 earlyprintk=vga ignore_loglevel [ 0.000000] PID hash table entries: 4096 (order: 2, 16384 bytes) [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes) [ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes) -- Sitsofe | http://sucs.org/~sits/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/