Re: 2.6.9rc2-mm4 oops

From: Fernando Pablo Lopez-Lezcano (nando_at_ccrma.Stanford.EDU)
Date: 10/01/04

  • Next message: Dave Jones: "Re: [PATCH] fix improper use of pci_module_init() in drivers/char/agp/amd64-agp.c" 
    To: Bjorn Helgaas <bjorn.helgaas@hp.com>
Date:	30 Sep 2004 18:36:56 -0700

    On Thu, 2004-09-30 at 16:04, Bjorn Helgaas wrote:
    > On Thursday 30 September 2004 3:22 pm, Bjorn Helgaas wrote:
    > > Fernando Pablo Lopez-Lezcano <nando@ccrma.Stanford.EDU> wrote:
    > > > inserting floppy driver for 2.6.8.1-1.520.1nov.rhfc2.ccrma
    > > > Unable to handle kernel paging request at virtual address f8881920
    > > > printing eip:
    > > > c0251d3d
    > > > *pde = 37f5f067
    > > > Oops: 0002 [#1]
    > > > PREEMPT
    > > > Modules linked in: floppy(U) sg(U) dm_mod(U) uhci_hcd(U) ehci_hcd(U)
    > > > button(U) battery(U) asus_acpi(U) ac(U) ext3(U) jbd(U) raid5(U) xor(U)
    > > > sata_via(U) sata_promise(U) libata(U) sd_mod(U) scsi_mod(U)
    > > > CPU: 0
    > > > EIP: 0060:[<c0251d3d>] Not tainted VLI
    > > > EFLAGS: 00010246 (2.6.8.1-1.520.1nov.rhfc2.ccrma)
    > > > EIP is at acpi_bus_register_driver+0xd2/0x165
    >
    > Like Pierre, I was able to reproduce this with DEBUG_PAGEALLOC.
    > I found a struct acpi_driver in hpet.c that was erroneously marked
    > __init, and the attached patch fixed the oops for me. Can you give
    > this a whirl?

    Sorry, I did, and still get the oops. This is it this time (looks the
    same to me):

    inserting floppy driver for 2.6.8.1-1.520.1nov.rhfc2.ccrma
    Unable to handle kernel paging request at virtual address f8881920
     printing eip:
    c0251d3d
    *pde = 37f5f067
    Oops: 0002 [#1]
    PREEMPT
    Modules linked in: floppy(U) sg(U) dm_mod(U) uhci_hcd(U) ehci_hcd(U)
    button(U) battery(U) asus_acpi(U) ac(U) ext3(U) jbd(U) raid5(U) xor(U)
    sata_via(U) sata_promise(U) libata(U) sd_mod(U) scsi_mod(U)
    CPU: 0
    EIP: 0060:[<c0251d3d>] Not tainted VLI
    EFLAGS: 00010246 (2.6.8.1-1.520.1nov.rhfc2.ccrma)
    EIP is at acpi_bus_register_driver+0xd2/0x165
    eax: f8881920 ebx: f88eefe0 ecx: c03d6b40 edx: f88ebd30
    esi: ffffffed edi: f6eb8000 ebp: c03d9460 esp: f6eb8f5c
    ds: 007b es: 007b ss: 0068
    Process modprobe (pid: 2119, threadinfo=f6eb8000 task=f6dc4640)
    Stack: c03d94a0 f88e9126 00000015 00000014 f8870bc1 c03d94a0 f88ef280
    f6eb8000
           c0129ef7 c03d94a0 f88ef280 f6eb8000 c03d9460 c014dd52 00000246
    f62d1eac
           f6e44c40 f6f16564 f6ea1c40 f6ea1c6c 00000000 b7fde008 0807a1a0
    006a809d
    Call Trace:
     [<f88e9126>] acpi_floppy_init+0x16/0x50 [floppy]
     [<f8870bc1>] floppy_init+0x11/0x600 [floppy]
     [<c0129ef7>] printk+0x17/0x20
     [<c014dd52>] sys_init_module+0x252/0x3b0
     [<c0106afd>] sysenter_past_esp+0x52/0x71
    Code: 00 00 00 a1 ec 67 3e c0 c7 05 78 67 3e c0 a0 7b 3a c0 c7 05 7c 67
    3e c0 bd 01 00 00 89 1d ec 67 3e c0 c7 03 e8 67 3e c0 89 43 04 <89> 18
    81 3d 68 67 3e c0 3c 4b 24 1d 74 1c 68 68 67 3e c0 68 bf
     <6>note: modprobe[2119] exited with preempt_count 1
    Debug: sleeping function called from invalid context at
    include/linux/rwsem.h:43
    in_atomic():1, irqs_disabled():0
     [<c0125652>] __might_sleep+0xa2/0xb0
     [<c012d222>] do_exit+0xa2/0x980
     [<c010775f>] die+0x2bf/0x2c0
     [<c012a0b6>] vprintk+0x1b6/0x340
     [<c011e1e4>] do_page_fault+0x314/0x56c
     [<c01d8155>] sysfs_new_dirent+0x25/0x80
     [<c01d81cd>] sysfs_make_dirent+0x1d/0x90
     [<c0172a29>] unmap_area_pmd+0x49/0x60
     [<c01d7d84>] sysfs_add_file+0x74/0xa0
     [<c0172bb0>] unmap_vm_area+0x30/0x80
     [<c0173136>] __vunmap+0xb6/0xf0
     [<c0129cf0>] call_console_drivers+0x80/0x110
     [<c011ded0>] do_page_fault+0x0/0x56c
     [<c0106cf9>] error_code+0x2d/0x38
     [<c0251d3d>] acpi_bus_register_driver+0xd2/0x165
     [<f88e9126>] acpi_floppy_init+0x16/0x50 [floppy]
     [<f8870bc1>] floppy_init+0x11/0x600 [floppy]
     [<c0129ef7>] printk+0x17/0x20
     [<c014dd52>] sys_init_module+0x252/0x3b0
     [<c0106afd>] sysenter_past_esp+0x52/0x71

    I tried building without PREEMPT but there were some errors about
    unknown symbols at the end, I'll try again tomorrow.

    -- Fernando

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  • Next message: Dave Jones: "Re: [PATCH] fix improper use of pci_module_init() in drivers/char/agp/amd64-agp.c"
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