BUG: unable to handle kernel paging request - scsi_bus_uevent - Kernel

This is a discussion on BUG: unable to handle kernel paging request - scsi_bus_uevent - Kernel ; Hello With kernel 2.6.26-rc2 - commit 093e2bb3cb5fcc37e3d02a193a3435ba64e9eb7b (2 days old) I've got oops during boot (my setup T61, C2D, 2GB) Zdenek This oops is not deterministic BUG: unable to handle kernel paging request at ffff81007ca27f78 IP: [ ] scsi_bus_uevent+0x7/0x30 PGD ...

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Thread: BUG: unable to handle kernel paging request - scsi_bus_uevent

  1. BUG: unable to handle kernel paging request - scsi_bus_uevent

    Hello


    With kernel 2.6.26-rc2 - commit 093e2bb3cb5fcc37e3d02a193a3435ba64e9eb7b
    (2 days old) I've got oops during boot (my setup T61, C2D, 2GB)

    Zdenek

    This oops is not deterministic

    BUG: unable to handle kernel paging request at ffff81007ca27f78
    IP: [] scsi_bus_uevent+0x7/0x30
    PGD 8063 PUD a063 PMD 7ceb8163 PTE 800000007ca27160
    Oops: 0000 [1] PREEMPT SMP DEBUG_PAGEALLOC
    CPU 0
    Modules linked in: uhci_hcd ohci_hcd ehci_hcd usbcore
    Pid: 612, comm: udevtrigger Not tainted 2.6.26-rc2 #1
    RIP: 0010:[] [] scsi_bus_uevent+0x7/0x30
    RSP: 0018:ffff81007c9ffdb8 EFLAGS: 00010286
    RAX: ffff81007e152090 RBX: ffff81007ca28028 RCX: 0000000000000003
    RDX: ffff81007e1521e9 RSI: ffff81007e152090 RDI: ffff81007ca28028
    RBP: ffff81007c9ffdb8 R08: 00000000fffffffe R09: 000000000000000b
    R10: ffffffff8140d3d1 R11: ffff81007c9ffcd8 R12: ffff81007e152090
    R13: 0000000000000000 R14: ffffffff8147c8e0 R15: 0000000000000000
    FS: 00007f57ce88a780(0000) GS:ffffffff81493000(0000) knlGS:0000000000000000
    CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
    CR2: ffff81007ca27f78 CR3: 000000007cefb000 CR4: 00000000000006e0
    DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
    DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
    Process udevtrigger (pid: 612, threadinfo ffff81007c9fe000, task
    ffff81007c910000)
    Stack: ffff81007c9ffdd8 ffffffff81202bf4 ffff81007e02d738 ffff81007ca281d8
    ffff81007c9ffe68 ffffffff81177cd5 ffffffff813e5dff 0000000000000000
    ffff81007ca88cc0 ffff81007e152090 ffffffff8142831e 0000000000000000
    Call Trace:
    [] dev_uevent+0x84/0x120
    [] kobject_uevent_env+0x1d5/0x3f0
    [] kobject_uevent+0xb/0x10
    [] store_uevent+0x38/0xa0
    [] dev_attr_store+0x1e/0x20
    [] sysfs_write_file+0xca/0x140
    [] vfs_write+0xcb/0x170
    [] sys_write+0x50/0x90
    [] system_call_after_swapgs+0x7b/0x80


    Code: f5 ff 4d 85 e4 74 0f 49 8b 44 24 28 48 85 c0 74 05 48 89 df ff
    d0 31 c0 48 8b 1c 24 4c 8b 64 24 08 c9 c3 90 55 48 89 f0 48 89 e5 <0f>
    be 97 50 ff ff ff 48 c7 c6 43 d4 40 81 48 89 c7 31 c0 e8 21
    RIP [] scsi_bus_uevent+0x7/0x30
    RSP
    CR2: ffff81007ca27f78
    ---[ end trace 30e85c42da63b92f ]---
    BUG: sleeping function called from invalid context at kernel/rwsem.c:21
    in_atomic():0, irqs_disabled():1
    INFO: lockdep is turned off.
    irq event stamp: 129392
    hardirqs last enabled at (129391): [] __kmalloc+0x7d/0x120
    hardirqs last disabled at (129392): []
    do_page_fault+0x35/0xaf0
    softirqs last enabled at (129304): [] sk_filter+0x9d/0xe0
    softirqs last disabled at (129302): [] sk_filter+0x4a/0xe0
    Pid: 612, comm: udevtrigger Tainted: G D 2.6.26-rc2 #1

    Call Trace:
    [] ? print_irqtrace_events+0x110/0x120
    [] __might_sleep+0xec/0x130
    [] down_read+0x20/0x70
    [] acct_collect+0x44/0x1f0
    [] do_exit+0x19c/0x8a0
    [] ? do_unblank_screen+0x1f/0x170
    [] oops_end+0x88/0x90
    [] do_page_fault+0x280/0xaf0
    [] ? __lock_acquire+0x364/0x11d0
    [] ? vsnprintf+0x472/0x7e0
    [] error_exit+0x0/0xa9
    [] ? scsi_bus_uevent+0x7/0x30
    [] ? dev_uevent+0x84/0x120
    [] ? kobject_uevent_env+0x1d5/0x3f0
    [] ? kobject_uevent+0xb/0x10
    [] ? store_uevent+0x38/0xa0
    [] ? dev_attr_store+0x1e/0x20
    [] ? sysfs_write_file+0xca/0x140
    [] ? vfs_write+0xcb/0x170
    [] ? sys_write+0x50/0x90
    [] ? system_call_after_swapgs+0x7b/0x80

    agpgart: Detected an Intel 965GM Chipset.
    agpgart: Detected 7676K stolen memory.
    agpgart: AGP aperture is 256M @ 0xe0000000
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  2. Re: BUG: unable to handle kernel paging request - scsi_bus_uevent


    (cc linux-scsi)

    On Wed, 14 May 2008 11:23:02 +0200 "Zdenek Kabelac" wrote:

    > Hello
    >
    >
    > With kernel 2.6.26-rc2 - commit 093e2bb3cb5fcc37e3d02a193a3435ba64e9eb7b
    > (2 days old) I've got oops during boot (my setup T61, C2D, 2GB)
    >
    > Zdenek
    >
    > This oops is not deterministic
    >
    > BUG: unable to handle kernel paging request at ffff81007ca27f78
    > IP: [] scsi_bus_uevent+0x7/0x30
    > PGD 8063 PUD a063 PMD 7ceb8163 PTE 800000007ca27160
    > Oops: 0000 [1] PREEMPT SMP DEBUG_PAGEALLOC
    > CPU 0
    > Modules linked in: uhci_hcd ohci_hcd ehci_hcd usbcore
    > Pid: 612, comm: udevtrigger Not tainted 2.6.26-rc2 #1
    > RIP: 0010:[] [] scsi_bus_uevent+0x7/0x30
    > RSP: 0018:ffff81007c9ffdb8 EFLAGS: 00010286
    > RAX: ffff81007e152090 RBX: ffff81007ca28028 RCX: 0000000000000003
    > RDX: ffff81007e1521e9 RSI: ffff81007e152090 RDI: ffff81007ca28028
    > RBP: ffff81007c9ffdb8 R08: 00000000fffffffe R09: 000000000000000b
    > R10: ffffffff8140d3d1 R11: ffff81007c9ffcd8 R12: ffff81007e152090
    > R13: 0000000000000000 R14: ffffffff8147c8e0 R15: 0000000000000000
    > FS: 00007f57ce88a780(0000) GS:ffffffff81493000(0000) knlGS:0000000000000000
    > CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
    > CR2: ffff81007ca27f78 CR3: 000000007cefb000 CR4: 00000000000006e0
    > DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
    > DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
    > Process udevtrigger (pid: 612, threadinfo ffff81007c9fe000, task
    > ffff81007c910000)
    > Stack: ffff81007c9ffdd8 ffffffff81202bf4 ffff81007e02d738 ffff81007ca281d8
    > ffff81007c9ffe68 ffffffff81177cd5 ffffffff813e5dff 0000000000000000
    > ffff81007ca88cc0 ffff81007e152090 ffffffff8142831e 0000000000000000
    > Call Trace:
    > [] dev_uevent+0x84/0x120
    > [] kobject_uevent_env+0x1d5/0x3f0
    > [] kobject_uevent+0xb/0x10
    > [] store_uevent+0x38/0xa0
    > [] dev_attr_store+0x1e/0x20
    > [] sysfs_write_file+0xca/0x140
    > [] vfs_write+0xcb/0x170
    > [] sys_write+0x50/0x90
    > [] system_call_after_swapgs+0x7b/0x80
    >
    >
    > Code: f5 ff 4d 85 e4 74 0f 49 8b 44 24 28 48 85 c0 74 05 48 89 df ff
    > d0 31 c0 48 8b 1c 24 4c 8b 64 24 08 c9 c3 90 55 48 89 f0 48 89 e5 <0f>
    > be 97 50 ff ff ff 48 c7 c6 43 d4 40 81 48 89 c7 31 c0 e8 21
    > RIP [] scsi_bus_uevent+0x7/0x30
    > RSP
    > CR2: ffff81007ca27f78


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