Hi,
I have one machine with 4G memory and 1G pci memory hole
between 2G and 3G. I compiled kernel with CONFIG_SPARSEMEM
option without PAE enabled, system crashed when booting.
I check the source code, function sparse_init will only
allocate mem_map space for valid section which is set in
function memory_present(). That means only E820_ram space
has mem_map space allocated.
so system crashed in function set_highmem_pages_init(),
if pfn points to E820_reserve space, pfn_to_page(pfn) will
point to unallocated page area.
thanks
bibo,mao
Here is crashing log.
============================================================
Linux version 2.6.23-rc4 (root@harwichb) (gcc version 4.1.2 20070626 (Red
Hat 4.1.2-14)) #3 SMP Wed Aug 29 23:05:50 CST 2007
BIOS-provided physical RAM map:
BIOS-e820: 0000000000000000 - 000000000009f400 (usable)
BIOS-e820: 000000000009f400 - 0000000000100000 (reserved)
BIOS-e820: 0000000000100000 - 000000007f89b000 (usable)
BIOS-e820: 000000007f89b000 - 000000007f912000 (reserved)
BIOS-e820: 000000007f912000 - 000000007f939000 (usable)
BIOS-e820: 000000007f939000 - 000000007f93a000 (reserved)
BIOS-e820: 000000007f93a000 - 000000007f944000 (usable)
BIOS-e820: 000000007f944000 - 000000007f977000 (reserved)
BIOS-e820: 000000007f977000 - 000000007f9f8000 (ACPI NVS)
BIOS-e820: 000000007f9f8000 - 000000007fa12000 (reserved)
BIOS-e820: 000000007fa12000 - 000000007fa6b000 (usable)
BIOS-e820: 000000007fa6b000 - 000000007fa92000 (reserved)
BIOS-e820: 000000007fa92000 - 000000007fb06000 (usable)
BIOS-e820: 000000007fb06000 - 000000007fb12000 (ACPI NVS)
BIOS-e820: 000000007fb12000 - 000000007fb18000 (usable)
BIOS-e820: 000000007fb18000 - 000000007fb32000 (ACPI data)
BIOS-e820: 000000007fb32000 - 000000007fb33000 (reserved)
BIOS-e820: 000000007fb33000 - 000000007fb7a000 (usable)
BIOS-e820: 000000007fb7a000 - 000000007fbfa000 (reserved)
BIOS-e820: 000000007fbfa000 - 000000007fc00000 (usable)
BIOS-e820: 0000000080000000 - 0000000090000000 (reserved)
BIOS-e820: 00000000fec00000 - 00000000fed00000 (reserved)
BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved)
BIOS-e820: 00000000fffa0000 - 00000000fffac000 (reserved)
BIOS-e820: 0000000100000000 - 0000000180000000 (usable)
Warning only 4GB will be used.
Use a HIGHMEM64G enabled kernel.
3200MB HIGHMEM available.
896MB LOWMEM available.
found SMP MP-table at 000fd7c0
Zone PFN ranges:
DMA 0 -> 4096
Normal 4096 -> 229376
HighMem 229376 -> 1048576
Movable zone start PFN for each node
early_node_map[1] active PFN ranges
0: 0 -> 1048576
DMI 2.3 present.
ACPI: RSDP 000F03D0, 0024 (r2 INTEL )
ACPI: XSDT 7FB31F30, 006C (r1 INTEL SHW40M 2 MSFT 1000013)
ACPI: FACP 7FB2FD90, 00F4 (r3 INTEL SHW40M 2 0)
ACPI: DSDT 7FB21010, DCA4 (r1 INTEL SHW40M 2 INTL 20030918)
ACPI: FACS 7FB11C40, 0040
ACPI: APIC 7FB2FC10, 015C (r1 INTEL SHW40M 2 0)
ACPI: SRAT 7FB20F90, 0058 (r1 INTEL SHW40M 2 0)
ACPI: MCFG 7FB20F10, 003C (r1 INTEL SHW40M 2 0)
ACPI: SPCR 7FB20E90, 0050 (r1 INTEL SHW40M 2 0)
ACPI: SSDT 7FB1E010, 14B0 (r1 INTEL SHW40M 4000 INTL 20030918)
ACPI: SSDT 7FB1C010, 14B0 (r1 INTEL SHW40M 4004 INTL 20030918)
ACPI: SSDT 7FB1A010, 14B0 (r1 INTEL SHW40M 4008 INTL 20030918)
ACPI: SSDT 7FB18010, 14B0 (r1 INTEL SHW40M 400C INTL 20030918)
ACPI: PM-Timer IO Port: 0x408
ACPI: LAPIC (acpi_id[0x00] lapic_id[0x08] enabled)
Processor #8 15:6 APIC version 20
ACPI: LAPIC (acpi_id[0x04] lapic_id[0x0e] enabled)
Processor #14 15:6 APIC version 20
ACPI: LAPIC (acpi_id[0x08] lapic_id[0x00] enabled)
Processor #0 15:6 APIC version 20
ACPI: LAPIC (acpi_id[0x0c] lapic_id[0x06] enabled)
Processor #6 15:6 APIC version 20
ACPI: LAPIC (acpi_id[0x02] lapic_id[0x0a] enabled)
Processor #10 15:6 APIC version 20
ACPI: LAPIC (acpi_id[0x06] lapic_id[0x0c] enabled)
Processor #12 15:6 APIC version 20
ACPI: LAPIC (acpi_id[0x0a] lapic_id[0x02] enabled)
Processor #2 15:6 APIC version 20
ACPI: LAPIC (acpi_id[0x0e] lapic_id[0x04] enabled)
Processor #4 15:6 APIC version 20
ACPI: LAPIC (acpi_id[0x01] lapic_id[0x09] enabled)
Processor #9 15:6 APIC version 20
ACPI: LAPIC (acpi_id[0x05] lapic_id[0x0f] enabled)
Processor #15 15:6 APIC version 20
ACPI: LAPIC (acpi_id[0x09] lapic_id[0x01] enabled)
Processor #1 15:6 APIC version 20
ACPI: LAPIC (acpi_id[0x0d] lapic_id[0x07] enabled)
Processor #7 15:6 APIC version 20
ACPI: LAPIC (acpi_id[0x03] lapic_id[0x0b] enabled)
Processor #11 15:6 APIC version 20
ACPI: LAPIC (acpi_id[0x07] lapic_id[0x0d] enabled)
Processor #13 15:6 APIC version 20
ACPI: LAPIC (acpi_id[0x0b] lapic_id[0x03] enabled)
Processor #3 15:6 APIC version 20
ACPI: LAPIC (acpi_id[0x0f] lapic_id[0x05] enabled)
Processor #5 15:6 APIC version 20
ACPI: LAPIC_NMI (acpi_id[0x00] high level lint[0x1])
ACPI: LAPIC_NMI (acpi_id[0x01] high level lint[0x1])
ACPI: LAPIC_NMI (acpi_id[0x02] high level lint[0x1])
ACPI: LAPIC_NMI (acpi_id[0x03] high level lint[0x1])
ACPI: LAPIC_NMI (acpi_id[0x04] high level lint[0x1])
ACPI: LAPIC_NMI (acpi_id[0x05] high level lint[0x1])
ACPI: LAPIC_NMI (acpi_id[0x06] high level lint[0x1])
ACPI: LAPIC_NMI (acpi_id[0x07] high level lint[0x1])
ACPI: LAPIC_NMI (acpi_id[0x08] high level lint[0x1])
ACPI: LAPIC_NMI (acpi_id[0x09] high level lint[0x1])
ACPI: LAPIC_NMI (acpi_id[0x0a] high level lint[0x1])
ACPI: LAPIC_NMI (acpi_id[0x0b] high level lint[0x1])
ACPI: LAPIC_NMI (acpi_id[0x0c] high level lint[0x1])
ACPI: LAPIC_NMI (acpi_id[0x0d] high level lint[0x1])
ACPI: LAPIC_NMI (acpi_id[0x0e] high level lint[0x1])
ACPI: LAPIC_NMI (acpi_id[0x0f] high level lint[0x1])
ACPI: IOAPIC (id[0x08] address[0xfec00000] gsi_base[0])
IOAPIC[0]: apic_id 8, version 32, address 0xfec00000, GSI 0-23
ACPI: IOAPIC (id[0x09] address[0xfec85000] gsi_base[24])
IOAPIC[1]: apic_id 9, version 32, address 0xfec85000, GSI 24-47
ACPI: IOAPIC (id[0x0a] address[0xfec85800] gsi_base[48])
IOAPIC[2]: apic_id 10, version 32, address 0xfec85800, GSI 48-71
ACPI: IOAPIC (id[0x0b] address[0xfec86000] gsi_base[72])
IOAPIC[3]: apic_id 11, version 32, address 0xfec86000, GSI 72-95
ACPI: IOAPIC (id[0x0c] address[0xfec86800] gsi_base[96])
IOAPIC[4]: apic_id 12, version 32, address 0xfec86800, GSI 96-119
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 high level)
Enabling APIC mode: Flat. Using 5 I/O APICs
More than 8 CPUs detected and CONFIG_X86_PC cannot handle it.
Use CONFIG_X86_GENERICARCH or CONFIG_X86_BIGSMP.
Using ACPI (MADT) for SMP configuration information
Allocating PCI resources starting at 98000000 (gap: 90000000:6ec00000)
swsusp: Registered nosave memory region: 000000000009f000 - 00000000000a0000
swsusp: Registered nosave memory region: 00000000000a0000 - 0000000000100000
Built 1 zonelists in Zone order. Total pages: 1040384
Kernel command line: ro root=LABEL=/12 console=tty0 console=ttyS0,115200
Enabling fast FPU save and restore... done.
Enabling unmasked SIMD FPU exception support... done.
Initializing CPU#0
PID hash table entries: 4096 (order: 12, 16384 bytes)
Detected 3192.483 MHz processor.
Console: colour VGA+ 80x25
console [tty0] enabled
console [ttyS0] enabled
Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
BUG: unable to handle kernel paging request at virtual address 01000000
printing eip:
c04f93e3
*pde = 00000000
Oops: 0002 [#1]
SMP
Modules linked in:
CPU: 0
EIP: 0060:[<c04f93e3>] Not tainted VLI
EFLAGS: 00010292 (2.6.23-rc4 #3)
EIP is at add_one_highpage_init+0x4d/0x59
eax: 00000039 ebx: 01000000 ecx: 00000046 edx: 00000000
esi: 00080000 edi: 00000000 ebp: 00000040 esp: c04e7f44
ds: 007b es: 007b fs: 00d8 gs: 0000 ss: 0068
Process swapper (pid: 0, ti=c04e6000 task=c04ac2a0 task.ti=c04e6000)
Stack: c046afbe 01000000 00080000 00000000 00080001 01000020 00000000 c04f9733
c0224f2a c046fec3 c04e7f7c c04e7f7c c04fd13c c046fec3 c0471ab5
00010000
00000006 00040000 03f80000 00000000 0fe00000 c0471ab5 00000010
00001e83
Call Trace:
[<c04f9733>] mem_init+0xf4/0x382
[<c0224f2a>] printk+0x1b/0x1f
[<c04fd13c>] alloc_large_system_hash+0x205/0x230
[<c04fde99>] inode_init_early+0x49/0x72
[<c04ec874>] start_kernel+0x270/0x2f6
[<c04ec0e0>] unknown_bootoption+0x0/0x195
=======================
Code: f8 3f 76 0f f0 0f ba 33 0a 83 c4 10 89 d8 5b 5e 5f eb b6 89 7c 24 0c
89 74 24 08 89 5c 24 04 c7 04 24 be af 46 c0 e8 2c bb d2 ff <f0> 0f ba 2b
0a 83 c4 10 5b 5e 5f c3 8b 15 ac 1e 4e c0 55 57 56
EIP: [<c04f93e3>] add_one_highpage_init+0x4d/0x59 SS:ESP 0068:c04e7f44
Kernel panic - not syncing: Attempted to kill the idle task!
On Fri, 31 Aug 2007 09:49:53 +0800 "bibo,mao" <[email protected]> wrote:
> Hi,
Let's cc linux-mm.
> I have one machine with 4G memory and 1G pci memory hole
> between 2G and 3G. I compiled kernel with CONFIG_SPARSEMEM
> option without PAE enabled, system crashed when booting.
> I check the source code, function sparse_init will only
> allocate mem_map space for valid section which is set in
> function memory_present(). That means only E820_ram space
> has mem_map space allocated.
> so system crashed in function set_highmem_pages_init(),
> if pfn points to E820_reserve space, pfn_to_page(pfn) will
> point to unallocated page area.
>
Is this a regression? Did 2.6.21 or 2.6.22 crash similarly?
Thanks.
>
>
> Here is crashing log.
> ============================================================
> Linux version 2.6.23-rc4 (root@harwichb) (gcc version 4.1.2 20070626 (Red
> Hat 4.1.2-14)) #3 SMP Wed Aug 29 23:05:50 CST 2007
> BIOS-provided physical RAM map:
> BIOS-e820: 0000000000000000 - 000000000009f400 (usable)
> BIOS-e820: 000000000009f400 - 0000000000100000 (reserved)
> BIOS-e820: 0000000000100000 - 000000007f89b000 (usable)
> BIOS-e820: 000000007f89b000 - 000000007f912000 (reserved)
> BIOS-e820: 000000007f912000 - 000000007f939000 (usable)
> BIOS-e820: 000000007f939000 - 000000007f93a000 (reserved)
> BIOS-e820: 000000007f93a000 - 000000007f944000 (usable)
> BIOS-e820: 000000007f944000 - 000000007f977000 (reserved)
> BIOS-e820: 000000007f977000 - 000000007f9f8000 (ACPI NVS)
> BIOS-e820: 000000007f9f8000 - 000000007fa12000 (reserved)
> BIOS-e820: 000000007fa12000 - 000000007fa6b000 (usable)
> BIOS-e820: 000000007fa6b000 - 000000007fa92000 (reserved)
> BIOS-e820: 000000007fa92000 - 000000007fb06000 (usable)
> BIOS-e820: 000000007fb06000 - 000000007fb12000 (ACPI NVS)
> BIOS-e820: 000000007fb12000 - 000000007fb18000 (usable)
> BIOS-e820: 000000007fb18000 - 000000007fb32000 (ACPI data)
> BIOS-e820: 000000007fb32000 - 000000007fb33000 (reserved)
> BIOS-e820: 000000007fb33000 - 000000007fb7a000 (usable)
> BIOS-e820: 000000007fb7a000 - 000000007fbfa000 (reserved)
> BIOS-e820: 000000007fbfa000 - 000000007fc00000 (usable)
> BIOS-e820: 0000000080000000 - 0000000090000000 (reserved)
> BIOS-e820: 00000000fec00000 - 00000000fed00000 (reserved)
> BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved)
> BIOS-e820: 00000000fffa0000 - 00000000fffac000 (reserved)
> BIOS-e820: 0000000100000000 - 0000000180000000 (usable)
> Warning only 4GB will be used.
> Use a HIGHMEM64G enabled kernel.
> 3200MB HIGHMEM available.
> 896MB LOWMEM available.
> found SMP MP-table at 000fd7c0
> Zone PFN ranges:
> DMA 0 -> 4096
> Normal 4096 -> 229376
> HighMem 229376 -> 1048576
> Movable zone start PFN for each node
> early_node_map[1] active PFN ranges
> 0: 0 -> 1048576
> DMI 2.3 present.
> ACPI: RSDP 000F03D0, 0024 (r2 INTEL )
> ACPI: XSDT 7FB31F30, 006C (r1 INTEL SHW40M 2 MSFT 1000013)
> ACPI: FACP 7FB2FD90, 00F4 (r3 INTEL SHW40M 2 0)
> ACPI: DSDT 7FB21010, DCA4 (r1 INTEL SHW40M 2 INTL 20030918)
> ACPI: FACS 7FB11C40, 0040
> ACPI: APIC 7FB2FC10, 015C (r1 INTEL SHW40M 2 0)
> ACPI: SRAT 7FB20F90, 0058 (r1 INTEL SHW40M 2 0)
> ACPI: MCFG 7FB20F10, 003C (r1 INTEL SHW40M 2 0)
> ACPI: SPCR 7FB20E90, 0050 (r1 INTEL SHW40M 2 0)
> ACPI: SSDT 7FB1E010, 14B0 (r1 INTEL SHW40M 4000 INTL 20030918)
> ACPI: SSDT 7FB1C010, 14B0 (r1 INTEL SHW40M 4004 INTL 20030918)
> ACPI: SSDT 7FB1A010, 14B0 (r1 INTEL SHW40M 4008 INTL 20030918)
> ACPI: SSDT 7FB18010, 14B0 (r1 INTEL SHW40M 400C INTL 20030918)
> ACPI: PM-Timer IO Port: 0x408
> ACPI: LAPIC (acpi_id[0x00] lapic_id[0x08] enabled)
> Processor #8 15:6 APIC version 20
> ACPI: LAPIC (acpi_id[0x04] lapic_id[0x0e] enabled)
> Processor #14 15:6 APIC version 20
> ACPI: LAPIC (acpi_id[0x08] lapic_id[0x00] enabled)
> Processor #0 15:6 APIC version 20
> ACPI: LAPIC (acpi_id[0x0c] lapic_id[0x06] enabled)
> Processor #6 15:6 APIC version 20
> ACPI: LAPIC (acpi_id[0x02] lapic_id[0x0a] enabled)
> Processor #10 15:6 APIC version 20
> ACPI: LAPIC (acpi_id[0x06] lapic_id[0x0c] enabled)
> Processor #12 15:6 APIC version 20
> ACPI: LAPIC (acpi_id[0x0a] lapic_id[0x02] enabled)
> Processor #2 15:6 APIC version 20
> ACPI: LAPIC (acpi_id[0x0e] lapic_id[0x04] enabled)
> Processor #4 15:6 APIC version 20
> ACPI: LAPIC (acpi_id[0x01] lapic_id[0x09] enabled)
> Processor #9 15:6 APIC version 20
> ACPI: LAPIC (acpi_id[0x05] lapic_id[0x0f] enabled)
> Processor #15 15:6 APIC version 20
> ACPI: LAPIC (acpi_id[0x09] lapic_id[0x01] enabled)
> Processor #1 15:6 APIC version 20
> ACPI: LAPIC (acpi_id[0x0d] lapic_id[0x07] enabled)
> Processor #7 15:6 APIC version 20
> ACPI: LAPIC (acpi_id[0x03] lapic_id[0x0b] enabled)
> Processor #11 15:6 APIC version 20
> ACPI: LAPIC (acpi_id[0x07] lapic_id[0x0d] enabled)
> Processor #13 15:6 APIC version 20
> ACPI: LAPIC (acpi_id[0x0b] lapic_id[0x03] enabled)
> Processor #3 15:6 APIC version 20
> ACPI: LAPIC (acpi_id[0x0f] lapic_id[0x05] enabled)
> Processor #5 15:6 APIC version 20
> ACPI: LAPIC_NMI (acpi_id[0x00] high level lint[0x1])
> ACPI: LAPIC_NMI (acpi_id[0x01] high level lint[0x1])
> ACPI: LAPIC_NMI (acpi_id[0x02] high level lint[0x1])
> ACPI: LAPIC_NMI (acpi_id[0x03] high level lint[0x1])
> ACPI: LAPIC_NMI (acpi_id[0x04] high level lint[0x1])
> ACPI: LAPIC_NMI (acpi_id[0x05] high level lint[0x1])
> ACPI: LAPIC_NMI (acpi_id[0x06] high level lint[0x1])
> ACPI: LAPIC_NMI (acpi_id[0x07] high level lint[0x1])
> ACPI: LAPIC_NMI (acpi_id[0x08] high level lint[0x1])
> ACPI: LAPIC_NMI (acpi_id[0x09] high level lint[0x1])
> ACPI: LAPIC_NMI (acpi_id[0x0a] high level lint[0x1])
> ACPI: LAPIC_NMI (acpi_id[0x0b] high level lint[0x1])
> ACPI: LAPIC_NMI (acpi_id[0x0c] high level lint[0x1])
> ACPI: LAPIC_NMI (acpi_id[0x0d] high level lint[0x1])
> ACPI: LAPIC_NMI (acpi_id[0x0e] high level lint[0x1])
> ACPI: LAPIC_NMI (acpi_id[0x0f] high level lint[0x1])
> ACPI: IOAPIC (id[0x08] address[0xfec00000] gsi_base[0])
> IOAPIC[0]: apic_id 8, version 32, address 0xfec00000, GSI 0-23
> ACPI: IOAPIC (id[0x09] address[0xfec85000] gsi_base[24])
> IOAPIC[1]: apic_id 9, version 32, address 0xfec85000, GSI 24-47
> ACPI: IOAPIC (id[0x0a] address[0xfec85800] gsi_base[48])
> IOAPIC[2]: apic_id 10, version 32, address 0xfec85800, GSI 48-71
> ACPI: IOAPIC (id[0x0b] address[0xfec86000] gsi_base[72])
> IOAPIC[3]: apic_id 11, version 32, address 0xfec86000, GSI 72-95
> ACPI: IOAPIC (id[0x0c] address[0xfec86800] gsi_base[96])
> IOAPIC[4]: apic_id 12, version 32, address 0xfec86800, GSI 96-119
> 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 high level)
> Enabling APIC mode: Flat. Using 5 I/O APICs
> More than 8 CPUs detected and CONFIG_X86_PC cannot handle it.
> Use CONFIG_X86_GENERICARCH or CONFIG_X86_BIGSMP.
> Using ACPI (MADT) for SMP configuration information
> Allocating PCI resources starting at 98000000 (gap: 90000000:6ec00000)
> swsusp: Registered nosave memory region: 000000000009f000 - 00000000000a0000
> swsusp: Registered nosave memory region: 00000000000a0000 - 0000000000100000
> Built 1 zonelists in Zone order. Total pages: 1040384
> Kernel command line: ro root=LABEL=/12 console=tty0 console=ttyS0,115200
> Enabling fast FPU save and restore... done.
> Enabling unmasked SIMD FPU exception support... done.
> Initializing CPU#0
> PID hash table entries: 4096 (order: 12, 16384 bytes)
> Detected 3192.483 MHz processor.
> Console: colour VGA+ 80x25
> console [tty0] enabled
> console [ttyS0] enabled
> Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
> Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
> BUG: unable to handle kernel paging request at virtual address 01000000
> printing eip:
> c04f93e3
> *pde = 00000000
> Oops: 0002 [#1]
> SMP
> Modules linked in:
> CPU: 0
> EIP: 0060:[<c04f93e3>] Not tainted VLI
> EFLAGS: 00010292 (2.6.23-rc4 #3)
> EIP is at add_one_highpage_init+0x4d/0x59
> eax: 00000039 ebx: 01000000 ecx: 00000046 edx: 00000000
> esi: 00080000 edi: 00000000 ebp: 00000040 esp: c04e7f44
> ds: 007b es: 007b fs: 00d8 gs: 0000 ss: 0068
> Process swapper (pid: 0, ti=c04e6000 task=c04ac2a0 task.ti=c04e6000)
> Stack: c046afbe 01000000 00080000 00000000 00080001 01000020 00000000 c04f9733
> c0224f2a c046fec3 c04e7f7c c04e7f7c c04fd13c c046fec3 c0471ab5
> 00010000
> 00000006 00040000 03f80000 00000000 0fe00000 c0471ab5 00000010
> 00001e83
> Call Trace:
> [<c04f9733>] mem_init+0xf4/0x382
> [<c0224f2a>] printk+0x1b/0x1f
> [<c04fd13c>] alloc_large_system_hash+0x205/0x230
> [<c04fde99>] inode_init_early+0x49/0x72
> [<c04ec874>] start_kernel+0x270/0x2f6
> [<c04ec0e0>] unknown_bootoption+0x0/0x195
> =======================
> Code: f8 3f 76 0f f0 0f ba 33 0a 83 c4 10 89 d8 5b 5e 5f eb b6 89 7c 24 0c
> 89 74 24 08 89 5c 24 04 c7 04 24 be af 46 c0 e8 2c bb d2 ff <f0> 0f ba 2b
> 0a 83 c4 10 5b 5e 5f c3 8b 15 ac 1e 4e c0 55 57 56
> EIP: [<c04f93e3>] add_one_highpage_init+0x4d/0x59 SS:ESP 0068:c04e7f44
> Kernel panic - not syncing: Attempted to kill the idle task!
I tried 2.6.21 version, it also crashed similarly.
thanks
bibo,mao
Andrew Morton wrote:
> On Fri, 31 Aug 2007 09:49:53 +0800 "bibo,mao" <[email protected]> wrote:
>
> > Hi,
>
> Let's cc linux-mm.
>
> > I have one machine with 4G memory and 1G pci memory hole
> > between 2G and 3G. I compiled kernel with CONFIG_SPARSEMEM
> > option without PAE enabled, system crashed when booting.
> > I check the source code, function sparse_init will only
> > allocate mem_map space for valid section which is set in
> > function memory_present(). That means only E820_ram space
> > has mem_map space allocated.
> > so system crashed in function set_highmem_pages_init(),
> > if pfn points to E820_reserve space, pfn_to_page(pfn) will
> > point to unallocated page area.
> >
>
> Is this a regression? Did 2.6.21 or 2.6.22 crash similarly?
>
> Thanks.
>
> >
> >
> > Here is crashing log.
> > ============================================================
> > Linux version 2.6.23-rc4 (root@harwichb) (gcc version 4.1.2 20070626 (Red
> > Hat 4.1.2-14)) #3 SMP Wed Aug 29 23:05:50 CST 2007
> > BIOS-provided physical RAM map:
> > BIOS-e820: 0000000000000000 - 000000000009f400 (usable)
> > BIOS-e820: 000000000009f400 - 0000000000100000 (reserved)
> > BIOS-e820: 0000000000100000 - 000000007f89b000 (usable)
> > BIOS-e820: 000000007f89b000 - 000000007f912000 (reserved)
> > BIOS-e820: 000000007f912000 - 000000007f939000 (usable)
> > BIOS-e820: 000000007f939000 - 000000007f93a000 (reserved)
> > BIOS-e820: 000000007f93a000 - 000000007f944000 (usable)
> > BIOS-e820: 000000007f944000 - 000000007f977000 (reserved)
> > BIOS-e820: 000000007f977000 - 000000007f9f8000 (ACPI NVS)
> > BIOS-e820: 000000007f9f8000 - 000000007fa12000 (reserved)
> > BIOS-e820: 000000007fa12000 - 000000007fa6b000 (usable)
> > BIOS-e820: 000000007fa6b000 - 000000007fa92000 (reserved)
> > BIOS-e820: 000000007fa92000 - 000000007fb06000 (usable)
> > BIOS-e820: 000000007fb06000 - 000000007fb12000 (ACPI NVS)
> > BIOS-e820: 000000007fb12000 - 000000007fb18000 (usable)
> > BIOS-e820: 000000007fb18000 - 000000007fb32000 (ACPI data)
> > BIOS-e820: 000000007fb32000 - 000000007fb33000 (reserved)
> > BIOS-e820: 000000007fb33000 - 000000007fb7a000 (usable)
> > BIOS-e820: 000000007fb7a000 - 000000007fbfa000 (reserved)
> > BIOS-e820: 000000007fbfa000 - 000000007fc00000 (usable)
> > BIOS-e820: 0000000080000000 - 0000000090000000 (reserved)
> > BIOS-e820: 00000000fec00000 - 00000000fed00000 (reserved)
> > BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved)
> > BIOS-e820: 00000000fffa0000 - 00000000fffac000 (reserved)
> > BIOS-e820: 0000000100000000 - 0000000180000000 (usable)
> > Warning only 4GB will be used.
> > Use a HIGHMEM64G enabled kernel.
> > 3200MB HIGHMEM available.
> > 896MB LOWMEM available.
> > found SMP MP-table at 000fd7c0
> > Zone PFN ranges:
> > DMA 0 -> 4096
> > Normal 4096 -> 229376
> > HighMem 229376 -> 1048576
> > Movable zone start PFN for each node
> > early_node_map[1] active PFN ranges
> > 0: 0 -> 1048576
> > DMI 2.3 present.
> > ACPI: RSDP 000F03D0, 0024 (r2 INTEL )
> > ACPI: XSDT 7FB31F30, 006C (r1 INTEL SHW40M 2 MSFT 1000013)
> > ACPI: FACP 7FB2FD90, 00F4 (r3 INTEL SHW40M 2 0)
> > ACPI: DSDT 7FB21010, DCA4 (r1 INTEL SHW40M 2 INTL 20030918)
> > ACPI: FACS 7FB11C40, 0040
> > ACPI: APIC 7FB2FC10, 015C (r1 INTEL SHW40M 2 0)
> > ACPI: SRAT 7FB20F90, 0058 (r1 INTEL SHW40M 2 0)
> > ACPI: MCFG 7FB20F10, 003C (r1 INTEL SHW40M 2 0)
> > ACPI: SPCR 7FB20E90, 0050 (r1 INTEL SHW40M 2 0)
> > ACPI: SSDT 7FB1E010, 14B0 (r1 INTEL SHW40M 4000 INTL 20030918)
> > ACPI: SSDT 7FB1C010, 14B0 (r1 INTEL SHW40M 4004 INTL 20030918)
> > ACPI: SSDT 7FB1A010, 14B0 (r1 INTEL SHW40M 4008 INTL 20030918)
> > ACPI: SSDT 7FB18010, 14B0 (r1 INTEL SHW40M 400C INTL 20030918)
> > ACPI: PM-Timer IO Port: 0x408
> > ACPI: LAPIC (acpi_id[0x00] lapic_id[0x08] enabled)
> > Processor #8 15:6 APIC version 20
> > ACPI: LAPIC (acpi_id[0x04] lapic_id[0x0e] enabled)
> > Processor #14 15:6 APIC version 20
> > ACPI: LAPIC (acpi_id[0x08] lapic_id[0x00] enabled)
> > Processor #0 15:6 APIC version 20
> > ACPI: LAPIC (acpi_id[0x0c] lapic_id[0x06] enabled)
> > Processor #6 15:6 APIC version 20
> > ACPI: LAPIC (acpi_id[0x02] lapic_id[0x0a] enabled)
> > Processor #10 15:6 APIC version 20
> > ACPI: LAPIC (acpi_id[0x06] lapic_id[0x0c] enabled)
> > Processor #12 15:6 APIC version 20
> > ACPI: LAPIC (acpi_id[0x0a] lapic_id[0x02] enabled)
> > Processor #2 15:6 APIC version 20
> > ACPI: LAPIC (acpi_id[0x0e] lapic_id[0x04] enabled)
> > Processor #4 15:6 APIC version 20
> > ACPI: LAPIC (acpi_id[0x01] lapic_id[0x09] enabled)
> > Processor #9 15:6 APIC version 20
> > ACPI: LAPIC (acpi_id[0x05] lapic_id[0x0f] enabled)
> > Processor #15 15:6 APIC version 20
> > ACPI: LAPIC (acpi_id[0x09] lapic_id[0x01] enabled)
> > Processor #1 15:6 APIC version 20
> > ACPI: LAPIC (acpi_id[0x0d] lapic_id[0x07] enabled)
> > Processor #7 15:6 APIC version 20
> > ACPI: LAPIC (acpi_id[0x03] lapic_id[0x0b] enabled)
> > Processor #11 15:6 APIC version 20
> > ACPI: LAPIC (acpi_id[0x07] lapic_id[0x0d] enabled)
> > Processor #13 15:6 APIC version 20
> > ACPI: LAPIC (acpi_id[0x0b] lapic_id[0x03] enabled)
> > Processor #3 15:6 APIC version 20
> > ACPI: LAPIC (acpi_id[0x0f] lapic_id[0x05] enabled)
> > Processor #5 15:6 APIC version 20
> > ACPI: LAPIC_NMI (acpi_id[0x00] high level lint[0x1])
> > ACPI: LAPIC_NMI (acpi_id[0x01] high level lint[0x1])
> > ACPI: LAPIC_NMI (acpi_id[0x02] high level lint[0x1])
> > ACPI: LAPIC_NMI (acpi_id[0x03] high level lint[0x1])
> > ACPI: LAPIC_NMI (acpi_id[0x04] high level lint[0x1])
> > ACPI: LAPIC_NMI (acpi_id[0x05] high level lint[0x1])
> > ACPI: LAPIC_NMI (acpi_id[0x06] high level lint[0x1])
> > ACPI: LAPIC_NMI (acpi_id[0x07] high level lint[0x1])
> > ACPI: LAPIC_NMI (acpi_id[0x08] high level lint[0x1])
> > ACPI: LAPIC_NMI (acpi_id[0x09] high level lint[0x1])
> > ACPI: LAPIC_NMI (acpi_id[0x0a] high level lint[0x1])
> > ACPI: LAPIC_NMI (acpi_id[0x0b] high level lint[0x1])
> > ACPI: LAPIC_NMI (acpi_id[0x0c] high level lint[0x1])
> > ACPI: LAPIC_NMI (acpi_id[0x0d] high level lint[0x1])
> > ACPI: LAPIC_NMI (acpi_id[0x0e] high level lint[0x1])
> > ACPI: LAPIC_NMI (acpi_id[0x0f] high level lint[0x1])
> > ACPI: IOAPIC (id[0x08] address[0xfec00000] gsi_base[0])
> > IOAPIC[0]: apic_id 8, version 32, address 0xfec00000, GSI 0-23
> > ACPI: IOAPIC (id[0x09] address[0xfec85000] gsi_base[24])
> > IOAPIC[1]: apic_id 9, version 32, address 0xfec85000, GSI 24-47
> > ACPI: IOAPIC (id[0x0a] address[0xfec85800] gsi_base[48])
> > IOAPIC[2]: apic_id 10, version 32, address 0xfec85800, GSI 48-71
> > ACPI: IOAPIC (id[0x0b] address[0xfec86000] gsi_base[72])
> > IOAPIC[3]: apic_id 11, version 32, address 0xfec86000, GSI 72-95
> > ACPI: IOAPIC (id[0x0c] address[0xfec86800] gsi_base[96])
> > IOAPIC[4]: apic_id 12, version 32, address 0xfec86800, GSI 96-119
> > 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 high level)
> > Enabling APIC mode: Flat. Using 5 I/O APICs
> > More than 8 CPUs detected and CONFIG_X86_PC cannot handle it.
> > Use CONFIG_X86_GENERICARCH or CONFIG_X86_BIGSMP.
> > Using ACPI (MADT) for SMP configuration information
> > Allocating PCI resources starting at 98000000 (gap: 90000000:6ec00000)
> > swsusp: Registered nosave memory region: 000000000009f000 - 00000000000a0000
> > swsusp: Registered nosave memory region: 00000000000a0000 - 0000000000100000
> > Built 1 zonelists in Zone order. Total pages: 1040384
> > Kernel command line: ro root=LABEL=/12 console=tty0 console=ttyS0,115200
> > Enabling fast FPU save and restore... done.
> > Enabling unmasked SIMD FPU exception support... done.
> > Initializing CPU#0
> > PID hash table entries: 4096 (order: 12, 16384 bytes)
> > Detected 3192.483 MHz processor.
> > Console: colour VGA+ 80x25
> > console [tty0] enabled
> > console [ttyS0] enabled
> > Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
> > Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
> > BUG: unable to handle kernel paging request at virtual address 01000000
> > printing eip:
> > c04f93e3
> > *pde = 00000000
> > Oops: 0002 [#1]
> > SMP
> > Modules linked in:
> > CPU: 0
> > EIP: 0060:[<c04f93e3>] Not tainted VLI
> > EFLAGS: 00010292 (2.6.23-rc4 #3)
> > EIP is at add_one_highpage_init+0x4d/0x59
> > eax: 00000039 ebx: 01000000 ecx: 00000046 edx: 00000000
> > esi: 00080000 edi: 00000000 ebp: 00000040 esp: c04e7f44
> > ds: 007b es: 007b fs: 00d8 gs: 0000 ss: 0068
> > Process swapper (pid: 0, ti=c04e6000 task=c04ac2a0 task.ti=c04e6000)
> > Stack: c046afbe 01000000 00080000 00000000 00080001 01000020 00000000 c04f9733
> > c0224f2a c046fec3 c04e7f7c c04e7f7c c04fd13c c046fec3 c0471ab5
> > 00010000
> > 00000006 00040000 03f80000 00000000 0fe00000 c0471ab5 00000010
> > 00001e83
> > Call Trace:
> > [<c04f9733>] mem_init+0xf4/0x382
> > [<c0224f2a>] printk+0x1b/0x1f
> > [<c04fd13c>] alloc_large_system_hash+0x205/0x230
> > [<c04fde99>] inode_init_early+0x49/0x72
> > [<c04ec874>] start_kernel+0x270/0x2f6
> > [<c04ec0e0>] unknown_bootoption+0x0/0x195
> > =======================
> > Code: f8 3f 76 0f f0 0f ba 33 0a 83 c4 10 89 d8 5b 5e 5f eb b6 89 7c 24 0c
> > 89 74 24 08 89 5c 24 04 c7 04 24 be af 46 c0 e8 2c bb d2 ff <f0> 0f ba 2b
> > 0a 83 c4 10 5b 5e 5f c3 8b 15 ac 1e 4e c0 55 57 56
> > EIP: [<c04f93e3>] add_one_highpage_init+0x4d/0x59 SS:ESP 0068:c04e7f44
> > Kernel panic - not syncing: Attempted to kill the idle task!
>