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    SubjectRe: PROBLEM: 2.6.19 + highmem = BUG at do_wp_page
    On Tue, Dec 12, 2006 at 15:10:56 -0500, Chuck Ebbert wrote:
    > In-Reply-To: <20061205172512.GA5518@m.safari.iki.fi>
    >
    > On Tue, 5 Dec 2006 19:25:13 +0200, Sami Farin wrote:
    >
    > > BUG: unable to handle kernel paging request at virtual address fffb9dc0
    >
    > > eax: fffb8000 ebx: fffb9000 ecx: 00000090 edx: 00000000
    > > esi: fffb9dc0 edi: fffb8dc0 ebp: f6f89f24 esp: f6f89ef0
    >
    > 1f: 89 de mov %ebx,%esi
    > 21: b9 00 04 00 00 mov $0x400,%ecx
    > 26: 89 45 cc mov %eax,0xffffffcc(%ebp)
    > 29: 89 c7 mov %eax,%edi
    >
    > 0: f3 a5 repz movsl %ds:(%esi),%es:(%edi) <=====
    >
    > Processor started to copy a page, then with 576 bytes left to copy
    > the source page got unmapped. Nice.
    >
    > This possibly happened during a device interrupt. What does
    > /proc/interrupts say?

    CPU0 CPU1
    0: 8253316 8272069 IO-APIC-edge timer
    1: 2 0 IO-APIC-edge i8042
    7: 0 0 IO-APIC-edge parport0
    8: 6903 0 IO-APIC-edge rtc
    9: 0 0 IO-APIC-fasteoi acpi
    12: 4 0 IO-APIC-edge i8042
    16: 63512 55991 IO-APIC-fasteoi ide2, serial
    17: 0 0 IO-APIC-fasteoi uhci_hcd:usb1
    18: 0 0 IO-APIC-fasteoi uhci_hcd:usb5, ehci_hcd:usb6
    19: 3 0 IO-APIC-fasteoi libata, ohci1394, uhci_hcd:usb4
    20: 105615 0 IO-APIC-fasteoi eth0
    21: 0 0 IO-APIC-fasteoi uhci_hcd:usb2
    22: 19245 19298 IO-APIC-fasteoi uhci_hcd:usb3, ehci_hcd:usb7
    23: 148793 148782 IO-APIC-fasteoi HDA Intel
    NMI: 0 0
    LOC: 16200743 16201617
    ERR: 0
    MIS: 0

    BTW. do you add In-Reply-To line manually or is compuserve buggy?

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