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Date: Tue, 9 Jul 2013 18:36:01 +0200 From: Johannes Hirte <johannes.hirte@....tu-ilmenau.de> To: Jacob Shin <jacob.shin@....com> Cc: <linux-kernel@...r.kernel.org> Subject: early microcode on amd is broken when no initramfs provided When CONFIG_MICROCODE_EARLY is enabled on AMD but no initramfs is provided in the bootmanager (grub2), the system hangs here: [ 0.000000] Initializing cgroup subsys cpuset [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Initializing cgroup subsys cpuacct [ 0.000000] Linux version 3.10.0-06005-gd2b4a64 (puck@...r) (gcc version 4.8.1 (Gentoo 4.8.1 p1.0, pie-0.5.6) ) #69 SMP PREEMPT Tue Jul 9 18:22:09 CEST 2013 [ 0.000000] Command line: BOOT_IMAGE=/vmlinuz-3.10.0-06005-gd2b4a64 root=/dev/sda1 ro pcie_aspm=force radeon.dpm=1 [ 0.000000] e820: BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009f7ff] usable [ 0.000000] BIOS-e820: [mem 0x000000000009f800-0x000000000009ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000000e0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000de555fff] usable [ 0.000000] BIOS-e820: [mem 0x00000000de556000-0x00000000de755fff] ACPI NVS [ 0.000000] BIOS-e820: [mem 0x00000000de756000-0x00000000dfd3efff] usable [ 0.000000] BIOS-e820: [mem 0x00000000dfd3f000-0x00000000dfdbefff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000dfdbf000-0x00000000dfebefff] ACPI NVS [ 0.000000] BIOS-e820: [mem 0x00000000dfebf000-0x00000000dfef6fff] ACPI data [ 0.000000] BIOS-e820: [mem 0x00000000dfef7000-0x00000000dfefffff] usable [ 0.000000] BIOS-e820: [mem 0x00000000dff00000-0x00000000dfffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000f7000000-0x00000000f7ffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fec00000-0x00000000fec00fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fec10000-0x00000000fec10fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fee00000-0x00000000fee00fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000ffe00000-0x00000000ffffffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000011fffffff] usable [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.6 present. [ 0.000000] DMI: Packard Bell EasyNote TK81/SJV52_DN, BIOS V2.14 07/27/2011 [ 0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved [ 0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable [ 0.000000] No AGP bridge found [ 0.000000] e820: last_pfn = 0x120000 max_arch_pfn = 0x400000000 [ 0.000000] MTRR default type: uncachable [ 0.000000] MTRR fixed ranges enabled: [ 0.000000] 00000-9FFFF write-back [ 0.000000] A0000-BFFFF uncachable [ 0.000000] C0000-FFFFF write-through [ 0.000000] MTRR variable ranges enabled: [ 0.000000] 0 base 000000000000 mask FFFF80000000 write-back [ 0.000000] 1 base 000080000000 mask FFFFC0000000 write-back [ 0.000000] 2 base 0000C0000000 mask FFFFE0000000 write-back [ 0.000000] 3 base 0000FFE00000 mask FFFFFFE00000 write-protect [ 0.000000] 4 base 000100000000 mask FFFFE0000000 write-back [ 0.000000] 5 disabled [ 0.000000] 6 disabled [ 0.000000] 7 disabled [ 0.000000] TOM2: 0000000120000000 aka 4608M [ 0.000000] x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106 [ 0.000000] e820: last_pfn = 0xdff00 max_arch_pfn = 0x400000000 [ 0.000000] Scanning 1 areas for low memory corruption [ 0.000000] Base memory trampoline at [ffff880000098000] 98000 size 28672 [ 0.000000] Using GB pages for direct mapping [ 0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff] [ 0.000000] [mem 0x00000000-0x000fffff] page 4k [ 0.000000] BRK [0x01c08000, 0x01c08fff] PGTABLE [ 0.000000] BRK [0x01c09000, 0x01c09fff] PGTABLE [ 0.000000] BRK [0x01c0a000, 0x01c0afff] PGTABLE [ 0.000000] init_memory_mapping: [mem 0x11fe00000-0x11fffffff] [ 0.000000] [mem 0x11fe00000-0x11fffffff] page 2M [ 0.000000] BRK [0x01c0b000, 0x01c0bfff] PGTABLE [ 0.000000] init_memory_mapping: [mem 0x11c000000-0x11fdfffff] [ 0.000000] [mem 0x11c000000-0x11fdfffff] page 2M [ 0.000000] init_memory_mapping: [mem 0x100000000-0x11bffffff] [ 0.000000] [mem 0x100000000-0x11bffffff] page 2M [ 0.000000] init_memory_mapping: [mem 0x00100000-0xde555fff] [ 0.000000] [mem 0x00100000-0x001fffff] page 4k [ 0.000000] [mem 0x00200000-0x3fffffff] page 2M [ 0.000000] [mem 0x40000000-0xbfffffff] page 1G [ 0.000000] [mem 0xc0000000-0xde3fffff] page 2M [ 0.000000] [mem 0xde400000-0xde555fff] page 4k [ 0.000000] init_memory_mapping: [mem 0xde756000-0xdfd3efff] [ 0.000000] [mem 0xde756000-0xde7fffff] page 4k [ 0.000000] [mem 0xde800000-0xdfbfffff] page 2M [ 0.000000] [mem 0xdfc00000-0xdfd3efff] page 4k [ 0.000000] BRK [0x01c0c000, 0x01c0cfff] PGTABLE [ 0.000000] init_memory_mapping: [mem 0xdfef7000-0xdfefffff] [ 0.000000] [mem 0xdfef7000-0xdfefffff] page 4k [ 0.000000] ACPI: RSDP 00000000000fe020 00024 (v02 ACRSYS) [ 0.000000] ACPI: XSDT 00000000dfef6120 0005C (v01 ACRSYS ACRPRDCT 00000003 01000013) [ 0.000000] ACPI: FACP 00000000dfef5000 000F4 (v04 ACRSYS ACRPRDCT 00000003 1025 01000013) [ 0.000000] ACPI: DSDT 00000000dfee6000 0B9EF (v01 ACRSYS ACRPRDCT F0000000 1025 01000013) [ 0.000000] ACPI: FACS 00000000dfe99000 00040 [ 0.000000] ACPI: HPET 00000000dfef4000 00038 (v01 ACRSYS ACRPRDCT 00000001 1025 01000013) [ 0.000000] ACPI: APIC 00000000dfef3000 00084 (v02 ACRSYS ACRPRDCT 00000001 1025 01000013) [ 0.000000] ACPI: MCFG 00000000dfef2000 0003C (v01 ACRSYS ACRPRDCT 00000001 1025 01000013) [ 0.000000] ACPI: BOOT 00000000dfee5000 00028 (v01 ACRSYS ACRPRDCT 00000001 1025 01000013) [ 0.000000] ACPI: SLIC 00000000dfee4000 00176 (v01 ACRSYS ACRPRDCT 00000001 1025 01000013) [ 0.000000] ACPI: SSDT 00000000dfee3000 00386 (v01 AMD POWERNOW 00000001 AMD 00000001) [ 0.000000] ACPI: Local APIC address 0xfee00000 [ 0.000000] No NUMA configuration found [ 0.000000] Faking a node at [mem 0x0000000000000000-0x000000011fffffff] [ 0.000000] Initmem setup node 0 [mem 0x00000000-0x11fffffff] [ 0.000000] NODE_DATA [mem 0x11fffa000-0x11fffbfff] [ 0.000000] [ffffea0000000000-ffffea00047fffff] PMD -> [ffff88011b600000-ffff88011f5fffff] on node 0 [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x00001000-0x00ffffff] [ 0.000000] DMA32 [mem 0x01000000-0xffffffff] [ 0.000000] Normal [mem 0x100000000-0x11fffffff] [ 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 0x00100000-0xde555fff] [ 0.000000] node 0: [mem 0xde756000-0xdfd3efff] [ 0.000000] node 0: [mem 0xdfef7000-0xdfefffff] [ 0.000000] node 0: [mem 0x100000000-0x11fffffff] [ 0.000000] On node 0 totalpages: 1047270 [ 0.000000] DMA zone: 64 pages used for memmap [ 0.000000] DMA zone: 22 pages reserved [ 0.000000] DMA zone: 3998 pages, LIFO batch:0 [ 0.000000] DMA32 zone: 14254 pages used for memmap [ 0.000000] DMA32 zone: 912200 pages, LIFO batch:31 [ 0.000000] Normal zone: 2048 pages used for memmap [ 0.000000] Normal zone: 131072 pages, LIFO batch:31 [ 0.000000] ACPI: PM-Timer IO Port: 0x408 [ 0.000000] ACPI: Local APIC address 0xfee00000 [ 0.000000] ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x02] lapic_id[0x00] disabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x03] lapic_id[0x00] disabled) [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1]) [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1]) [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x02] high edge lint[0x1]) [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x03] high edge lint[0x1]) [ 0.000000] ACPI: IOAPIC (id[0x04] address[0xfec00000] gsi_base[0]) [ 0.000000] IOAPIC[0]: apic_id 4, version 33, 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 low 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] ACPI: HPET id: 0x1002a201 base: 0xfed00000 [ 0.000000] smpboot: Allowing 4 CPUs, 2 hotplug CPUs [ 0.000000] nr_irqs_gsi: 40 [ 0.000000] PM: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.000000] PM: Registered nosave memory: [mem 0x000a0000-0x000dffff] [ 0.000000] PM: Registered nosave memory: [mem 0x000e0000-0x000fffff] [ 0.000000] PM: Registered nosave memory: [mem 0xde556000-0xde755fff] [ 0.000000] PM: Registered nosave memory: [mem 0xdfd3f000-0xdfdbefff] [ 0.000000] PM: Registered nosave memory: [mem 0xdfdbf000-0xdfebefff] [ 0.000000] PM: Registered nosave memory: [mem 0xdfebf000-0xdfef6fff] [ 0.000000] PM: Registered nosave memory: [mem 0xdff00000-0xdfffffff] [ 0.000000] PM: Registered nosave memory: [mem 0xe0000000-0xf6ffffff] [ 0.000000] PM: Registered nosave memory: [mem 0xf7000000-0xf7ffffff] [ 0.000000] PM: Registered nosave memory: [mem 0xf8000000-0xfebfffff] [ 0.000000] PM: Registered nosave memory: [mem 0xfec00000-0xfec00fff] [ 0.000000] PM: Registered nosave memory: [mem 0xfec01000-0xfec0ffff] [ 0.000000] PM: Registered nosave memory: [mem 0xfec10000-0xfec10fff] [ 0.000000] PM: Registered nosave memory: [mem 0xfec11000-0xfedfffff] [ 0.000000] PM: Registered nosave memory: [mem 0xfee00000-0xfee00fff] [ 0.000000] PM: Registered nosave memory: [mem 0xfee01000-0xffdfffff] [ 0.000000] PM: Registered nosave memory: [mem 0xffe00000-0xffffffff] [ 0.000000] e820: [mem 0xe0000000-0xf6ffffff] available for PCI devices [ 0.000000] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:4 nr_node_ids:1 [ 0.000000] PERCPU: Embedded 26 pages/cpu @ffff88011fc00000 s74880 r8192 d23424 u524288 [ 0.000000] pcpu-alloc: s74880 r8192 d23424 u524288 alloc=1*2097152 [ 0.000000] pcpu-alloc: [0] 0 1 2 3 [ 0.000000] Built 1 zonelists in Node order, mobility grouping on. Total pages: 1030882 [ 0.000000] Policy zone: Normal [ 0.000000] Kernel command line: BOOT_IMAGE=/vmlinuz-3.10.0-06005-gd2b4a64 root=/dev/sda1 ro pcie_aspm=force radeon.dpm=1 [ 0.000000] PCIe ASPM is forcibly enabled [ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes) [ 0.000000] Checking aperture... [ 0.000000] No AGP bridge found [ 0.000000] Node 0: aperture @ d4000000 size 32 MB [ 0.000000] Aperture pointing to e820 RAM. Ignoring. [ 0.000000] Your BIOS doesn't leave a aperture memory hole [ 0.000000] Please enable the IOMMU option in the BIOS setup [ 0.000000] This costs you 64 MB of RAM [ 0.000000] Mapping aperture over 65536 KB of RAM @ d4000000 [ 0.000000] PM: Registered nosave memory: [mem 0xd4000000-0xd7ffffff] [ 0.000000] Memory: 3979016K/4189080K available (4684K kernel code, 507K rwdata, 2176K rodata, 792K init, 756K bss, 210064K reserved) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.000000] Preemptible hierarchical RCU implementation. [ 0.000000] Dump stacks of tasks blocking RCU-preempt GP. [ 0.000000] RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=4. [ 0.000000] NR_IRQS:4352 nr_irqs:712 16 [ 0.000000] spurious 8259A interrupt: IRQ7. [ 0.000000] Console: colour VGA+ 80x25 [ 0.000000] console [tty0] enabled [ 0.000000] hpet clockevent registered [ 0.000000] tsc: Fast TSC calibration using PIT [ 0.001000] tsc: Detected 2094.751 MHz processor [ 0.000003] Calibrating delay loop (skipped), value calculated using timer frequency.. 4189.50 BogoMIPS (lpj=2094751) [ 0.000298] pid_max: default: 32768 minimum: 301 [ 0.000470] Security Framework initialized [ 0.000915] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes) [ 0.002711] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes) [ 0.003617] Mount-cache hash table entries: 256 [ 0.003982] Initializing cgroup subsys devices [ 0.004136] Initializing cgroup subsys freezer [ 0.004285] Initializing cgroup subsys blkio [ 0.004451] tseg: 00dff00000 [ 0.004454] CPU: Physical Processor ID: 0 [ 0.004613] CPU: Processor Core ID: 0 [ 0.004761] mce: CPU supports 6 MCE banks [ 0.004914] LVT offset 0 assigned for vector 0xf9 [ 0.005061] process: using AMD E400 aware idle routine [ 0.005208] Last level iTLB entries: 4KB 512, 2MB 16, 4MB 8 Last level dTLB entries: 4KB 512, 2MB 128, 4MB 64 tlb_flushall_shift: 4 [ 0.005653] Freeing SMP alternatives memory: 12K (ffffffff81b46000 - ffffffff81b49000) [ 0.005807] ACPI: Core revision 20130517 [ 0.012354] ACPI: All ACPI Tables successfully acquired [ 0.617782] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 0.627941] smpboot: CPU0: AMD Athlon(tm) II P320 Dual-Core Processor (fam: 10, model: 06, stepping: 03) [ 0.729753] Performance Events: AMD PMU driver. [ 0.729943] ... version: 0 [ 0.730092] ... bit width: 48 [ 0.730240] ... generic registers: 4 [ 0.730388] ... value mask: 0000ffffffffffff [ 0.730536] ... max period: 00007fffffffffff [ 0.730684] ... fixed-purpose events: 0 [ 0.730835] ... event mask: 000000000000000f [ 0.731018] process: System has AMD C1E enabled [ 0.731173] process: Switch to broadcast mode on CPU0 [ 0.739310] smpboot: Booting Node 0, Processors #1 [ 0.752552] Brought up 2 CPUs [ 0.752572] process: Switch to broadcast mode on CPU1 [ 0.752992] smpboot: Total of 2 processors activated (8379.00 BogoMIPS) [ 0.753731] devtmpfs: initialized [ 0.754198] PM: Registering ACPI NVS region [mem 0xde556000-0xde755fff] (2097152 bytes) [ 0.754387] PM: Registering ACPI NVS region [mem 0xdfdbf000-0xdfebefff] (1048576 bytes) [ 0.754719] xor: measuring software checksum speed [ 0.764221] prefetch64-sse: 6688.000 MB/sec [ 0.774223] generic_sse: 6424.000 MB/sec [ 0.774367] xor: using function: prefetch64-sse (6688.000 MB/sec) [ 0.774564] NET: Registered protocol family 16 [ 0.775357] node 0 link 0: io port [0, ffffff] [ 0.775361] TOM: 00000000e0000000 aka 3584M [ 0.775513] Fam 10h mmconf [mem 0xf7000000-0xf7ffffff] [ 0.775515] node 0 link 0: mmio [a0000, bffff] [ 0.775518] node 0 link 0: mmio [e0000000, f6ffffff] [ 0.775520] node 0 link 0: mmio [f7000000, f7ffffff] ==> none [ 0.775522] node 0 link 0: mmio [f8000000, ffdfffff] [ 0.775524] TOM2: 0000000120000000 aka 4608M [ 0.775674] bus: [bus 00-1f] on node 0 link 0 [ 0.775675] bus: 00 [io 0x0000-0xffff] [ 0.775677] bus: 00 [mem 0x000a0000-0x000bffff] [ 0.775677] bus: 00 [mem 0xe0000000-0xf6ffffff] [ 0.775678] bus: 00 [mem 0xf8000000-0xffffffff] [ 0.775679] bus: 00 [mem 0x120000000-0xfcffffffff] [ 0.775736] ACPI: bus type PCI registered [ 0.776126] PCI: MMCONFIG for domain 0000 [bus 00-0f] at [mem 0xf7000000-0xf7ffffff] (base 0xf7000000) [ 0.776395] PCI: MMCONFIG at [mem 0xf7000000-0xf7ffffff] reserved in E820 [ 0.777637] PCI: Using configuration type 1 for base access [ 0.778134] mtrr: your CPUs had inconsistent fixed MTRR settings [ 0.778327] mtrr: your CPUs had inconsistent variable MTRR settings [ 0.778473] mtrr: probably your BIOS does not setup all CPUs. [ 0.778621] mtrr: corrected configuration. [ 0.784751] bio: create slab <bio-0> at 0 [ 0.801284] raid6: sse2x1 2601 MB/s [ 0.818261] raid6: sse2x2 3246 MB/s [ 0.835260] raid6: sse2x4 3511 MB/s [ 0.835409] raid6: using algorithm sse2x4 (3511 MB/s) [ 0.835558] raid6: using intx1 recovery algorithm [ 0.835839] ACPI: Added _OSI(Module Device) [ 0.835990] ACPI: Added _OSI(Processor Device) [ 0.836138] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.836303] ACPI: Added _OSI(Processor Aggregator Device) [ 0.838013] ACPI: EC: Look up EC in DSDT [ 0.839711] ACPI: Executed 1 blocks of module-level executable AML code [ 0.844083] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored This was copied out of dmesg from a running kernel with CONFIG_MICROCODE_EARLY disabled. regards, Johannes -- 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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