Message-ID: <499C3DED.1090807@cfl.rr.com>
Date:	Wed, 18 Feb 2009 11:57:17 -0500
From:	Mark Hounschell <dmarkh@....rr.com>
To:	Borislav Petkov <borislav.petkov@....com>
CC:	Mark Hounschell <markh@...pro.net>,
	Andreas Herrmann <andreas.herrmann3@....com>,
	john stultz <johnstul@...ibm.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: PROBLEM: Can't boot a (HZ = 1000) kernel using an AMD Phenom-II
 processor

Borislav Petkov wrote:
> On Wed, Feb 18, 2009 at 08:11:47AM -0500, Mark Hounschell wrote:
>> Mark Hounschell wrote:
>>> Borislav Petkov wrote:
>>>> maybe I wasn't clear enough - I meant to boot a _1000HZ_ kernel not a
>>>> 250HZ one with highres timers disabled, if the line above is correct.
>>>> Can you try the same thing as above again, please, but this time use a
>>>> 1000HZ 32bit kernel.
>>>>
>>>> Thanks.
>>>>
>>> Checking if this processor honours the WP bit even in supervisor mode...Ok.
>>> SLUB: Genslabs=12, HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
>>> HPE
> 
> Well, not really since we can't know for sure where your machine hangs.
> It might be a problem with the HPET but we can't be sure what we see
> above is the last string that entered the printk buffer. However, let's
> try the following patch (against vanilla 2.6.28.3), please capture the
> dmesg again and send it back, thanks.
> 
> 
> ---
>  arch/x86/kernel/hpet.c |    5 +++++
>  1 files changed, 5 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
> index 067d8de..068cbc7 100644
> --- a/arch/x86/kernel/hpet.c
> +++ b/arch/x86/kernel/hpet.c
> @@ -269,6 +269,11 @@ static void hpet_set_mode(enum clock_event_mode mode,
>  		cfg = hpet_readl(HPET_Tn_CFG(timer));
>  		cfg |= HPET_TN_ENABLE | HPET_TN_PERIODIC |
>  		       HPET_TN_SETVAL | HPET_TN_32BIT;
> +
> +		printk(KERN_ERR "HPET%d prog. values: now %lu, delta %llu, "
> +				"cfg: 0x%lx, \n",
> +				timer, now, delta, cfg);
> +
>  		hpet_writel(cfg, HPET_Tn_CFG(timer));
>  		/*
>  		 * The first write after writing TN_SETVAL to the


OK, this one looks like it got further than usual or just more messages got out
before the hang for some reason.


BIOS EBDA/lowmem at: 0009f000/0009f000
Initializing cgroup subsys cpuset
Linux version 2.6.28.3-1000Hz (root@...ley) (gcc version 4.3.1 20080507
(prerelease) [gcc-4_3-branch revision 135036] (SUSE Linux) ) #4 SMP PREEMPT Wed Feb9
KERNEL supported cpus:
  Intel GenuineIntel
  AMD AuthenticAMD
  NSC Geode by NSC
  Cyrix CyrixInstead
  Centaur CentaurHauls
  Transmeta GenuineTMx86
  Transmeta TransmetaCPU
  UMC UMC UMC UMC
BIOS-provided physical RAM map:
 BIOS-e820: 0000000000000000 - 000000000009f400 (usable)
 BIOS-e820: 000000000009f400 - 00000000000a0000 (reserved)
 BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
 BIOS-e820: 0000000000100000 - 00000000bffe0000 (usable)
 BIOS-e820: 00000000bffe0000 - 00000000bffe3000 (ACPI NVS)
 BIOS-e820: 00000000bffe3000 - 00000000bfff0000 (ACPI data)
 BIOS-e820: 00000000bfff0000 - 00000000c0000000 (reserved)
 BIOS-e820: 00000000e0000000 - 00000000f0000000 (reserved)
 BIOS-e820: 00000000fec00000 - 0000000100000000 (reserved)
 BIOS-e820: 0000000100000000 - 0000000140000000 (usable)
DMI 2.5 present.
Phoenix BIOS detected: BIOS may corrupt low RAM, working it around.
last_pfn = 0xbffe0 max_arch_pfn = 0x100000
x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106
RAMDISK: 374d0000 - 37feff67
Allocated new RAMDISK: 004a7000 - 00fc6f67
Move RAMDISK from 00000000374d0000 - 0000000037feff66 to 004a7000 - 00fc6f66
ACPI: RSDP 000F7FB0, 0024 (r2 RX780 )
ACPI: XSDT BFFE3080, 004C (r1 RX780  AWRDACPI 42302E31 AWRD        0)
ACPI: FACP BFFE8C80, 00F4 (r3 RX780  AWRDACPI 42302E31 AWRD        0)
FADT: X_PM1a_EVT_BLK.bit_width (8) does not match PM1_EVT_LEN (4)
ACPI: DSDT BFFE3200, 5A71 (r1 RX780  AWRDACPI     1000 MSFT  100000E)
ACPI: FACS BFFE0000, 0040
ACPI: SSDT BFFE8E40, 088C (r1 PTLTD  POWERNOW        1  LTP        1)
ACPI: HPET BFFE9700, 0038 (r1 RX780  AWRDACPI 42302E31 AWRD       98)
ACPI: MCFG BFFE9740, 003C (r1 RX780  AWRDACPI 42302E31 AWRD        0)
ACPI: APIC BFFE8D80, 0084 (r1 RX780  AWRDACPI 42302E31 AWRD        0)
2183MB HIGHMEM available.
887MB LOWMEM available.
  mapped low ram: 0 - 377fe000
  low ram: 00000000 - 377fe000
  bootmap 00012000 - 00018f00
(9 early reservations) ==> bootmem [0000000000 - 00377fe000]
  #0 [0000000000 - 0000001000]   BIOS data page ==> [0000000000 - 0000001000]
  #1 [0000001000 - 0000002000]    EX TRAMPOLINE ==> [0000001000 - 0000002000]
  #2 [0000006000 - 0000007000]       TRAMPOLINE ==> [0000006000 - 0000007000]
  #3 [0000100000 - 00004a3c54]    TEXT DATA BSS ==> [0000100000 - 00004a3c54]
  #4 [00004a4000 - 00004a7000]    INIT_PG_TABLE ==> [00004a4000 - 00004a7000]
  #5 [000009f000 - 0000100000]    BIOS reserved ==> [000009f000 - 0000100000]
  #6 [0000010000 - 0000012000]          PGTABLE ==> [0000010000 - 0000012000]
  #7 [00004a7000 - 0000fc6f67]      NEW RAMDISK ==> [00004a7000 - 0000fc6f67]
  #8 [0000012000 - 0000019000]          BOOTMAP ==> [0000012000 - 0000019000]
Scan SMP from c0000000 for 1024 bytes.
Scan SMP from c009fc00 for 1024 bytes.
Scan SMP from c00f0000 for 65536 bytes.
found SMP MP-table at [c00f3f00] 000f3f00
Zone PFN ranges:
  DMA      0x00000010 -> 0x00001000
  Normal   0x00001000 -> 0x000377fe
  HighMem  0x000377fe -> 0x000bffe0
Movable zone start PFN for each node
early_node_map[2] active PFN ranges
    0: 0x00000010 -> 0x0000009f
    0: 0x00000100 -> 0x000bffe0
ACPI: PM-Timer IO Port: 0x4008
ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled)
ACPI: LAPIC (acpi_id[0x02] lapic_id[0x02] enabled)
ACPI: LAPIC (acpi_id[0x03] lapic_id[0x03] enabled)
ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1])
ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1])
ACPI: LAPIC_NMI (acpi_id[0x02] high edge lint[0x1])
ACPI: LAPIC_NMI (acpi_id[0x03] high edge lint[0x1])
ACPI: IOAPIC (id[0x04] address[0xfec00000] gsi_base[0])
IOAPIC[0]: apic_id 4, version 33, address 0xfec00000, GSI 0-23
ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level)
Enabling APIC mode:  Flat.  Using 1 I/O APICs
ACPI: HPET id: 0x10b9a201 base: 0xfed00000
Using ACPI (MADT) for SMP configuration information
SMP: Allowing 4 CPUs, 0 hotplug CPUs
mapped APIC to ffffb000 (fee00000)
mapped IOAPIC to ffffa000 (fec00000)
Allocating PCI resources starting at c2000000 (gap: c0000000:20000000)
PERCPU: Allocating 36864 bytes of per cpu data
Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 780143
Kernel command line: root=/dev/disk/by-id/ata-ST3320620AS_6QF4HDV5-part5
hwprobe=-modules.pata apm=off selinux=0 noresume splash=silent apic=debug console=g
Enabling fast FPU save and restore... done.
Enabling unmasked SIMD FPU exception support... done.
Initializing CPU#0
Preemptible RCU implementation.
PID hash table entries: 4096 (order: 12, 16384 bytes)
Fast TSC calibration using PIT
Detected 3000.297 MHz processor.
Console: colour VGA+ 80x25
console [ttyS0] enabled
Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
Memory: 3103456k/3145600k available (1835k kernel code, 40784k reserved, 1099k
data, 276k init, 2236296k highmem)
virtual kernel memory layout:
    fixmap  : 0xffe19000 - 0xfffff000   (1944 kB)
    pkmap   : 0xff800000 - 0xffc00000   (4096 kB)
    vmalloc : 0xf7ffe000 - 0xff7fe000   ( 120 MB)
    lowmem  : 0xc0000000 - 0xf77fe000   ( 887 MB)
      .init : 0xc03e3000 - 0xc0428000   ( 276 kB)
      .data : 0xc02caf97 - 0xc03ddc4c   (1099 kB)
      .text : 0xc0100000 - 0xc02caf97   (1835 kB)
Checking if this processor honours the WP bit even in supervisor mode...Ok.
SLUB: Genslabs=12, HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
HPET0 prog. values: now 20642, delta 14318, cfg: 0x15c,
HPET: 4 timers in total, 0 timers will be used for per-cpu timer
Calibrating delay loop (skipped), value calculated using timer frequency..
6000.59 BogoMIPS (lpj=3000297)
Security Framework initialized
Mount-cache hash table entries: 512
CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
CPU: L2 Cache: 512K (64 bytes/line)
CPU: Physical Processor ID: 0
CPU: Processor Core ID: 0
using C1E aware idle routine
Checking 'hlt' instruction...


Mark

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