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Message-ID: <20140611144846.4a55410a@nial.usersys.redhat.com> Date: Wed, 11 Jun 2014 14:48:46 +0200 From: Igor Mammedov <imammedo@...hat.com> To: Sitsofe Wheeler <sitsofe@...il.com> Cc: Toshi Kani <toshi.kani@...com>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...nel.org>, linux-kernel@...r.kernel.org Subject: Re: [BISECTED][REGRESSION] Kernel does not boot on EeePC On Wed, 11 Jun 2014 07:16:24 +0100 Sitsofe Wheeler <sitsofe@...il.com> wrote: > On Mon, Jun 09, 2014 at 12:26:16PM +0200, Igor Mammedov wrote: > > On Sun, 8 Jun 2014 10:02:23 +0100 > > Sitsofe Wheeler <sitsofe@...il.com> 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): Thanks for answer, I've overlooked nonsmp case when testing where no one sets cpu_callout_mask for boot CPU and as result kernel hangs in cpu_init() #0 wait_for_master_cpu () at arch/x86/kernel/cpu/common.c:1232 #1 cpu_init () at arch/x86/kernel/cpu/common.c:1254 #2 0xffffffff81b0a038 in trap_init () at arch/x86/kernel/traps.c:786 #3 0xffffffff81b06ee3 in start_kernel () at init/main.c:536 #4 0xffffffff81b065df in x86_64_start_reservations (real_mode_data=<value optimized out>) at arch/x86/kernel/head64.c:193 #5 0xffffffff81b06785 in x86_64_start_kernel (real_mode_data=0x13dc0 <Address 0x13dc0 out of bounds>) at arch/x86/kernel/head64.c:182 I also need double-check xen setup since it also uses cpu_init(). I'll resubmit fixed patch after testing is done. > > [ 0.000000] Linux version 3.15.0-0001-gd37cf73 (swheeler@...ct) (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) > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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