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Date: Fri, 31 Aug 2007 10:47:35 +0800 From: "bibo,mao" <bibo.mao@...el.com> To: Andrew Morton <akpm@...ux-foundation.org> CC: linux-kernel@...r.kernel.org, linux-mm@...ck.org Subject: Re: [BUG] kernel crash with CONFIG_SPARSEMEM on my ia32 box 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" <bibo.mao@...el.com> 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@...wichb) (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! > - 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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