Re: 2.6.13-mm2 (general protection fault)

Dominik Karall
2005-09-09T20:53:52Z

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On Thursday 08 September 2005 14:30, Andrew Morton wrote:
> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.13/2.6.13
>-mm2/

Hi Andrew,
here is the log from my problem with an usb device (kernel hangs when
switching the external hdd on). I hope this log provides useful information.
This bug was already in 2.6.13-mm1.

hth,
dominik

[-- Attachment #1.2: kernel-bug.txt --]
[-- Type: text/plain, Size: 30720 bytes --]

general protection fault: 0000 [1] PREEMPT SMP

CPU 0

Modules linked in:

Pid: 2106, comm: usb-stor-scan Not tainted 2.6.13-mm2 #6

RIP: 0010:[<ffffffff8026e4e6>] <ffffffff8026e4e6>{_raw_spin_trylock+6}

RSP: 0018:ffff81003e0c3d78 EFLAGS: 00010046

RAX: 0000000000000000 RBX: 6b6b6b6b6b6b6b6b RCX: 0000000000000000

RDX: 0000000000000000 RSI: 0000000000000246 RDI: 6b6b6b6b6b6b6b6b

RBP: ffff81003e0c3d78 R08: 0000000000000000 R09: ffff81003883fac8

R10: ffff81003e0c3dd8 R11: 000000000000000b R12: ffff81003fa7ff48

R13: ffff81003dbee9c8 R14: 0000000000000000 R15: ffff81003e9996c8

FS: 00002aaaaadfdb00(0000) GS:ffffffff806e1840(0000) knlGS:0000000000000000

CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b

CR2: 00002aaaaac56480 CR3: 000000003e5fa000 CR4: 00000000000006e0

Process usb-stor-scan (pid: 2106, threadinfo ffff81003e0c2000, task ffff81003ea03450)

Stack: ffff81003e0c3d98 ffffffff80468a9e 000000003e0c3db8 ffff81003883e238

ffff81003e0c3dc8 ffffffff802f858f 0000000000000082 ffff81003fa7ff48

ffff81003fa7f4f8 ffff81003ea03450

Call Trace:<ffffffff80468a9e>{_spin_lock+30} <ffffffff802f858f>{cfq_exit_single_io_context+95}

<ffffffff802f8639>{cfq_exit_io_context+41} <ffffffff802eeea4>{exit_io_context+148}

<ffffffff801365ef>{do_exit+159} <ffffffff80468f1d>{_spin_unlock_irqrestore+29}

<ffffffff8013718e>{complete_and_exit+30} <ffffffff803a684e>{usb_stor_scan_thread+414}

<ffffffff8014b050>{autoremove_wake_function+0} <ffffffff8014b050>{autoremove_wake_function+0}

<ffffffff80469014>{_spin_unlock_irq+20} <ffffffff8010ee16>{child_rip+8}

<ffffffff803a66b0>{usb_stor_scan_thread+0} <ffffffff8010ee0e>{child_rip+0}

Unable to handle kernel NULL pointer dereference at 0000000000000008 RIP:

<ffffffff8010f606>{show_trace+582}

PGD 3e742067 PUD 3e7a3067 PMD 0

Oops: 0000 [2] PREEMPT SMP

CPU 0

Modules linked in:

Pid: 2106, comm: usb-stor-scan Not tainted 2.6.13-mm2 #6

RIP: 0010:[<ffffffff8010f606>] <ffffffff8010f606>{show_trace+582}

RSP: 0018:ffff81003e0c3b28 EFLAGS: 00010092

RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000001

RDX: 0000000000000000 RSI: 0000000000000046 RDI: 0000000000000001

RBP: ffff81003e0c3b78 R08: 0000000000000005 R09: 0000000000000000

R10: ffff81003e0c3a48 R11: 0000000000000000 R12: ffff81003e0c4000

R13: ffffffff80687fc0 R14: 0000000000000000 R15: 0000000000000000

FS: 00002aaaaadfdb00(0000) GS:ffffffff806e1840(0000) knlGS:0000000000000000

CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b

CR2: 0000000000000008 CR3: 000000003e5fa000 CR4: 00000000000006e0

Process usb-stor-scan (pid: 2106, threadinfo ffff81003e0c2000, task ffff81003ea03450)

Stack: 0000000000000000 ffffffff8071b0c0 0000000000000000 ffffffff80133c5b

000000003e0c3b68 ffff81003e0c3dc8 000000000000000a ffffffff80687fc0

ffffffff80683fc0 0000000000000000

Call Trace:<ffffffff80133c5b>{print_tainted+187} <ffffffff8010f738>{show_stack+232}

<ffffffff8010f7de>{show_registers+142} <ffffffff8010fa6c>{__die+156}

<ffffffff8010fae8>{die+56} <ffffffff8046962e>{do_general_protection+270}

<ffffffff8010ec61>{error_exit+0} <ffffffff8026e4e6>{_raw_spin_trylock+6}

<ffffffff80468a9e>{_spin_lock+30} <ffffffff802f858f>{cfq_exit_single_io_context+95}

<ffffffff802f8639>{cfq_exit_io_context+41} <ffffffff802eeea4>{exit_io_context+148}

<ffffffff801365ef>{do_exit+159} <ffffffff80468f1d>{_spin_unlock_irqrestore+29}

<ffffffff8013718e>{complete_and_exit+30} <ffffffff803a684e>{usb_stor_scan_thread+414}

<ffffffff8014b050>{autoremove_wake_function+0} <ffffffff8014b050>{autoremove_wake_function+0}

<ffffffff80469014>{_spin_unlock_irq+20} <ffffffff8010ee16>{child_rip+8}

<ffffffff803a66b0>{usb_stor_scan_thread+0} <ffffffff8010ee0e>{child_rip+0}

Unable to handle kernel NULL pointer dereference at 0000000000000008 RIP:

<ffffffff8010f606>{show_trace+582}

PGD 3e742067 PUD 3e7a3067 PMD 0

Oops: 0000 [3] PREEMPT SMP

CPU 0

Modules linked in:

Pid: 2106, comm: usb-stor-scan Not tainted 2.6.13-mm2 #6

RIP: 0010:[<ffffffff8010f606>] <ffffffff8010f606>{show_trace+582}

RSP: 0018:ffff81003e0c3858 EFLAGS: 00010092

RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000001

RDX: 0000000000000000 RSI: 0000000000000046 RDI: 0000000000000001

RBP: ffff81003e0c38a8 R08: 0000000000000005 R09: 0000000000000000

R10: ffff81003e0c3778 R11: 0000000000000000 R12: ffff81003e0c4000

R13: ffffffff80687fc0 R14: 0000000000000000 R15: 0000000000000000

FS: 00002aaaaadfdb00(0000) GS:ffffffff806e1840(0000) knlGS:0000000000000000

CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b

CR2: 0000000000000008 CR3: 000000003e5fa000 CR4: 00000000000006e0

Process usb-stor-scan (pid: 2106, threadinfo ffff81003e0c2000, task ffff81003ea03450)

Stack: 0000000000000000 ffffffff8071b0c0 0000000000000000 ffffffff80133c5b

000000003e0c3898 ffff81003e0c3b78 000000000000000a ffffffff80687fc0

ffffffff80683fc0 0000000000000000

Call Trace:<ffffffff80133c5b>{print_tainted+187} <ffffffff8010f738>{show_stack+232}

<ffffffff8010f7de>{show_registers+142} <ffffffff8010fa6c>{__die+156}

<ffffffff80469f53>{do_page_fault+1843} <ffffffff8013487b>{vprintk+891}

<ffffffff8013487b>{vprintk+891} <ffffffff8010ec61>{error_exit+0}

<ffffffff8010f606>{show_trace+582} <ffffffff8010f602>{show_trace+578}

<ffffffff80133c5b>{print_tainted+187} <ffffffff8010f738>{show_stack+232}

<ffffffff8010f7de>{show_registers+142} <ffffffff8010fa6c>{__die+156}

<ffffffff8010fae8>{die+56} <ffffffff8046962e>{do_general_protection+270}

<ffffffff8010ec61>{error_exit+0} <ffffffff8026e4e6>{_raw_spin_trylock+6}

<ffffffff80468a9e>{_spin_lock+30} <ffffffff802f858f>{cfq_exit_single_io_context+95}

<ffffffff802f8639>{cfq_exit_io_context+41} <ffffffff802eeea4>{exit_io_context+148}

<ffffffff801365ef>{do_exit+159} <ffffffff80468f1d>{_spin_unlock_irqrestore+29}

<ffffffff8013718e>{complete_and_exit+30} <ffffffff803a684e>{usb_stor_scan_thread+414}

<ffffffff8014b050>{autoremove_wake_function+0} <ffffffff8014b050>{autoremove_wake_function+0}

<ffffffff80469014>{_spin_unlock_irq+20} <ffffffff8010ee16>{child_rip+8}

<ffffffff803a66b0>{usb_stor_scan_thread+0} <ffffffff8010ee0e>{child_rip+0}

Unable to handle kernel NULL pointer dereference at 0000000000000008 RIP:

<ffffffff8010f606>{show_trace+582}

PGD 3e742067 PUD 3e7a3067 PMD 0

Oops: 0000 [4] PREEMPT SMP

CPU 0

Modules linked in:

Pid: 2106, comm: usb-stor-scan Not tainted 2.6.13-mm2 #6

RIP: 0010:[<ffffffff8010f606>] <ffffffff8010f606>{show_trace+582}

RSP: 0018:ffff81003e0c3588 EFLAGS: 00010092

RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000001

RDX: 0000000000000000 RSI: 0000000000000046 RDI: 0000000000000001

RBP: ffff81003e0c35d8 R08: 0000000000000005 R09: 0000000000000000

R10: ffff81003e0c34a8 R11: 0000000000000000 R12: ffff81003e0c4000

R13: ffffffff80687fc0 R14: 0000000000000000 R15: 0000000000000000

FS: 00002aaaaadfdb00(0000) GS:ffffffff806e1840(0000) knlGS:0000000000000000

CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b

CR2: 0000000000000008 CR3: 000000003e5fa000 CR4: 00000000000006e0

Process usb-stor-scan (pid: 2106, threadinfo ffff81003e0c2000, task ffff81003ea03450)

Stack: 0000000000000000 ffffffff8071b0c0 0000000000000000 ffffffff80133c5b

000000003e0c35c8 ffff81003e0c38a8 000000000000000a ffffffff80687fc0

ffffffff80683fc0 0000000000000000

Call Trace:<ffffffff80133c5b>{print_tainted+187} <ffffffff8010f738>{show_stack+232}

<ffffffff8010f7de>{show_registers+142} <ffffffff8010fa6c>{__die+156}

<ffffffff80469f53>{do_page_fault+1843} <ffffffff8013487b>{vprintk+891}

<ffffffff8013487b>{vprintk+891} <ffffffff8010ec61>{error_exit+0}

<ffffffff8010f606>{show_trace+582} <ffffffff8010f602>{show_trace+578}

<ffffffff80133c5b>{print_tainted+187} <ffffffff8010f738>{show_stack+232}

<ffffffff8010f7de>{show_registers+142} <ffffffff8010fa6c>{__die+156}

<ffffffff80469f53>{do_page_fault+1843} <ffffffff8013487b>{vprintk+891}

<ffffffff8013487b>{vprintk+891} <ffffffff8010ec61>{error_exit+0}

<ffffffff8010f606>{show_trace+582} <ffffffff8010f602>{show_trace+578}

<ffffffff80133c5b>{print_tainted+187} <ffffffff8010f738>{show_stack+232}

<ffffffff8010f7de>{show_registers+142} <ffffffff8010fa6c>{__die+156}

<ffffffff8010fae8>{die+56} <ffffffff8046962e>{do_general_protection+270}

<ffffffff8010ec61>{error_exit+0} <ffffffff8026e4e6>{_raw_spin_trylock+6}

<ffffffff80468a9e>{_spin_lock+30} <ffffffff802f858f>{cfq_exit_single_io_context+95}

<ffffffff802f8639>{cfq_exit_io_context+41} <ffffffff802eeea4>{exit_io_context+148}

<ffffffff801365ef>{do_exit+159} <ffffffff80468f1d>{_spin_unlock_irqrestore+29}

<ffffffff8013718e>{complete_and_exit+30} <ffffffff803a684e>{usb_stor_scan_thread+414}

<ffffffff8014b050>{autoremove_wake_function+0} <ffffffff8014b050>{autoremove_wake_function+0}

<ffffffff80469014>{_spin_unlock_irq+20} <ffffffff8010ee16>{child_rip+8}

<ffffffff803a66b0>{usb_stor_scan_thread+0} <ffffffff8010ee0e>{child_rip+0}

Unable to handle kernel NULL pointer dereference at 0000000000000008 RIP:

<ffffffff8010f606>{show_trace+582}

PGD 3e742067 PUD 3e7a3067 PMD 0

Oops: 0000 [5] PREEMPT SMP

CPU 0

Modules linked in:

Pid: 2106, comm: usb-stor-scan Not tainted 2.6.13-mm2 #6

RIP: 0010:[<ffffffff8010f606>] <ffffffff8010f606>{show_trace+582}

RSP: 0018:ffff81003e0c32b8 EFLAGS: 00010096

RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000001

RDX: 0000000000000000 RSI: 0000000000000046 RDI: 0000000000000001

RBP: ffff81003e0c3308 R08: 0000000000000005 R09: 0000000000000000

R10: ffff81003e0c31d8 R11: 0000000000000000 R12: ffff81003e0c4000

R13: ffffffff80687fc0 R14: 0000000000000000 R15: 0000000000000000

FS: 00002aaaaadfdb00(0000) GS:ffffffff806e1840(0000) knlGS:0000000000000000

CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b

CR2: 0000000000000008 CR3: 000000003e5fa000 CR4: 00000000000006e0

Process usb-stor-scan (pid: 2106, threadinfo ffff81003e0c2000, task ffff81003ea03450)

Stack: 0000000000000000 ffffffff8071b0c0 0000000000000000 ffffffff80133c5b

000000003e0c32f8 ffff81003e0c35d8 000000000000000a ffffffff80687fc0

ffffffff80683fc0 0000000000000000

Call Trace:<ffffffff80133c5b>{print_tainted+187} <ffffffff8010f738>{show_stack+232}

<ffffffff8010f7de>{show_registers+142} <ffffffff8010fa6c>{__die+156}

<ffffffff80469f53>{do_page_fault+1843} <ffffffff8013487b>{vprintk+891}

<ffffffff8013487b>{vprintk+891} <ffffffff8010ec61>{error_exit+0}

<ffffffff8010f606>{show_trace+582} <ffffffff8010f602>{show_trace+578}

<ffffffff80133c5b>{print_tainted+187} <ffffffff8010f738>{show_stack+232}

<ffffffff8010f7de>{show_registers+142} <ffffffff8010fa6c>{__die+156}

<ffffffff80469f53>{do_page_fault+1843} <ffffffff8013487b>{vprintk+891}

<ffffffff8013487b>{vprintk+891} <ffffffff8010ec61>{error_exit+0}

<ffffffff8010f606>{show_trace+582} <ffffffff8010f602>{show_trace+578}

<ffffffff80133c5b>{print_tainted+187} <ffffffff8010f738>{show_stack+232}

<ffffffff8010f7de>{show_registers+142} <ffffffff8010fa6c>{__die+156}

<ffffffff80469f53>{do_page_fault+1843} <ffffffff8013487b>{vprintk+891}

<ffffffff8013487b>{vprintk+891} <ffffffff8010ec61>{error_exit+0}

<ffffffff8010f606>{show_trace+582} <ffffffff8010f602>{show_trace+578}

<ffffffff80133c5b>{print_tainted+187} <ffffffff8010f738>{show_stack+232}

<ffffffff8010f7de>{show_registers+142} <ffffffff8010fa6c>{__die+156}

<ffffffff8010fae8>{die+56} <ffffffff8046962e>{do_general_protection+270}

<ffffffff8010ec61>{error_exit+0} <ffffffff8026e4e6>{_raw_spin_trylock+6}

<ffffffff80468a9e>{_spin_lock+30} <ffffffff802f858f>{cfq_exit_single_io_context+95}

<ffffffff802f8639>{cfq_exit_io_context+41} <ffffffff802eeea4>{exit_io_context+148}

<ffffffff801365ef>{do_exit+159} <ffffffff80468f1d>{_spin_unlock_irqrestore+29}

<ffffffff8013718e>{complete_and_exit+30} <ffffffff803a684e>{usb_stor_scan_thread+414}

<ffffffff8014b050>{autoremove_wake_function+0} <ffffffff8014b050>{autoremove_wake_function+0}

<ffffffff80469014>{_spin_unlock_irq+20} <ffffffff8010ee16>{child_rip+8}

<ffffffff803a66b0>{usb_stor_scan_thread+0} <ffffffff8010ee0e>{child_rip+0}

Unable to handle kernel NULL pointer dereference at 0000000000000008 RIP:

<ffffffff8010f606>{show_trace+582}

PGD 3e742067 PUD 3e7a3067 PMD 0

Oops: 0000 [6] PREEMPT SMP

CPU 0

Modules linked in:

Pid: 2106, comm: usb-stor-scan Not tainted 2.6.13-mm2 #6

RIP: 0010:[<ffffffff8010f606>] <ffffffff8010f606>{show_trace+582}

RSP: 0018:ffff81003e0c2fe8 EFLAGS: 00010092

RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000001

RDX: 0000000000000000 RSI: 0000000000000046 RDI: 0000000000000001

RBP: ffff81003e0c3038 R08: 0000000000000005 R09: 0000000000000000

R10: ffff81003e0c2f08 R11: 0000000000000000 R12: ffff81003e0c4000

R13: ffffffff80687fc0 R14: 0000000000000000 R15: 0000000000000000

FS: 00002aaaaadfdb00(0000) GS:ffffffff806e1840(0000) knlGS:0000000000000000

CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b

CR2: 0000000000000008 CR3: 000000003e5fa000 CR4: 00000000000006e0

Process usb-stor-scan (pid: 2106, threadinfo ffff81003e0c2000, task ffff81003ea03450)

Stack: 0000000000000000 ffffffff8071b0c0 0000000000000000 ffffffff80133c5b

000000003e0c3028 ffff81003e0c3308 000000000000000a ffffffff80687fc0

ffffffff80683fc0 0000000000000000

Call Trace:<ffffffff80133c5b>{print_tainted+187} <ffffffff8010f738>{show_stack+232}

<ffffffff8010f7de>{show_registers+142} <ffffffff8010fa6c>{__die+156}

<ffffffff80469f53>{do_page_fault+1843} <ffffffff8013487b>{vprintk+891}

<ffffffff8013487b>{vprintk+891} <ffffffff8010ec61>{error_exit+0}

<ffffffff8010f606>{show_trace+582} <ffffffff8010f602>{show_trace+578}

<ffffffff80133c5b>{print_tainted+187} <ffffffff8010f738>{show_stack+232}

<ffffffff8010f7de>{show_registers+142} <ffffffff8010fa6c>{__die+156}

<ffffffff80469f53>{do_page_fault+1843} <ffffffff8013487b>{vprintk+891}

<ffffffff8013487b>{vprintk+891} <ffffffff8010ec61>{error_exit+0}

<ffffffff8010f606>{show_trace+582} <ffffffff8010f602>{show_trace+578}

<ffffffff80133c5b>{print_tainted+187} <ffffffff8010f738>{show_stack+232}

<ffffffff8010f7de>{show_registers+142} <ffffffff8010fa6c>{__die+156}

<ffffffff80469f53>{do_page_fault+1843} <ffffffff8013487b>{vprintk+891}

<ffffffff8013487b>{vprintk+891} <ffffffff8010ec61>{error_exit+0}

<ffffffff8010f606>{show_trace+582} <ffffffff8010f602>{show_trace+578}

<ffffffff80133c5b>{print_tainted+187} <ffffffff8010f738>{show_stack+232}

<ffffffff8010f7de>{show_registers+142} <ffffffff8010fa6c>{__die+156}

<ffffffff80469f53>{do_page_fault+1843} <ffffffff8013487b>{vprintk+891}

<ffffffff8013487b>{vprintk+891} <ffffffff8010ec61>{error_exit+0}

<ffffffff8010f606>{show_trace+582} <ffffffff8010f602>{show_trace+578}

<ffffffff80133c5b>{print_tainted+187} <ffffffff8010f738>{show_stack+232}

<ffffffff8010f7de>{show_registers+142} <ffffffff8010fa6c>{__die+156}

<ffffffff8010fae8>{die+56} <ffffffff8046962e>{do_general_protection+270}

<ffffffff8010ec61>{error_exit+0} <ffffffff8026e4e6>{_raw_spin_trylock+6}

<ffffffff80468a9e>{_spin_lock+30} <ffffffff802f858f>{cfq_exit_single_io_context+95}

<ffffffff802f8639>{cfq_exit_io_context+41} <ffffffff802eeea4>{exit_io_context+148}

<ffffffff801365ef>{do_exit+159} <ffffffff80468f1d>{_spin_unlock_irqrestore+29}

<ffffffff8013718e>{complete_and_exit+30} <ffffffff803a684e>{usb_stor_scan_thread+414}

<ffffffff8014b050>{autoremove_wake_function+0} <ffffffff8014b050>{autoremove_wake_function+0}

<ffffffff80469014>{_spin_unlock_irq+20} <ffffffff8010ee16>{child_rip+8}

<ffffffff803a66b0>{usb_stor_scan_thread+0} <ffffffff8010ee0e>{child_rip+0}

Unable to handle kernel NULL pointer dereference at 0000000000000008 RIP:

<ffffffff8010f606>{show_trace+582}

PGD 3e742067 PUD 3e7a3067 PMD 0

Oops: 0000 [7] PREEMPT SMP

CPU 0

Modules linked in:

Pid: 2106, comm: usb-stor-scan Not tainted 2.6.13-mm2 #6

RIP: 0010:[<ffffffff8010f606>] <ffffffff8010f606>{show_trace+582}

RSP: 0018:ffff81003e0c2d18 EFLAGS: 00010096

RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000001

RDX: 0000000000000000 RSI: 0000000000000046 RDI: 0000000000000001

RBP: ffff81003e0c2d68 R08: 0000000000000005 R09: 0000000000000000

R10: ffff81003e0c2c38 R11: 0000000000000000 R12: ffff81003e0c4000

R13: ffffffff80687fc0 R14: 0000000000000000 R15: 0000000000000000

FS: 00002aaaaadfdb00(0000) GS:ffffffff806e1840(0000) knlGS:0000000000000000

CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b

CR2: 0000000000000008 CR3: 000000003e5fa000 CR4: 00000000000006e0

Process usb-stor-scan (pid: 2106, threadinfo ffff81003e0c2000, task ffff81003ea03450)

Stack: 0000000000000000 ffffffff8071b0c0 0000000000000000 ffffffff80133c5b

000000003e0c2d58 ffff81003e0c3038 000000000000000a ffffffff80687fc0

ffffffff80683fc0 0000000000000000

Call Trace:<ffffffff80133c5b>{print_tainted+187} <ffffffff8010f738>{show_stack+232}

<ffffffff8010f7de>{show_registers+142} <ffffffff8010fa6c>{__die+156}

<ffffffff80469f53>{do_page_fault+1843} <ffffffff8013487b>{vprintk+891}

<ffffffff8013487b>{vprintk+891} <ffffffff8010ec61>{error_exit+0}

<ffffffff8010f606>{show_trace+582} <ffffffff8010f602>{show_trace+578}

<ffffffff80133c5b>{print_tainted+187} <ffffffff8010f738>{show_stack+232}

<ffffffff8010f7de>{show_registers+142} <ffffffff8010fa6c>{__die+156}

<ffffffff80469f53>{do_page_fault+1843} <ffffffff8013487b>{vprintk+891}

<ffffffff8013487b>{vprintk+891} <ffffffff8010ec61>{error_exit+0}

<ffffffff8010f606>{show_trace+582} <ffffffff8010f602>{show_trace+578}

<ffffffff80133c5b>{print_tainted+187} <ffffffff8010f738>{show_stack+232}

<ffffffff8010f7de>{show_registers+142} <ffffffff8010fa6c>{__die+156}

<ffffffff80469f53>{do_page_fault+1843} <ffffffff8013487b>{vprintk+891}

<ffffffff8013487b>{vprintk+891} <ffffffff8010ec61>{error_exit+0}

<ffffffff8010f606>{show_trace+582} <ffffffff8010f602>{show_trace+578}

<ffffffff80133c5b>{print_tainted+187} <ffffffff8010f738>{show_stack+232}

<ffffffff8010f7de>{show_registers+142} <ffffffff8010fa6c>{__die+156}

<ffffffff80469f53>{do_page_fault+1843} <ffffffff8013487b>{vprintk+891}

<ffffffff8013487b>{vprintk+891} <ffffffff8010ec61>{error_exit+0}

<ffffffff8010f606>{show_trace+582} <ffffffff8010f602>{show_trace+578}

<ffffffff80133c5b>{print_tainted+187} <ffffffff8010f738>{show_stack+232}

<ffffffff8010f7de>{show_registers+142} <ffffffff8010fa6c>{__die+156}

<ffffffff80469f53>{do_page_fault+1843} <ffffffff8013487b>{vprintk+891}

<ffffffff8013487b>{vprintk+891} <ffffffff8010ec61>{error_exit+0}

<ffffffff8010f606>{show_trace+582} <ffffffff8010f602>{show_trace+578}

<ffffffff80133c5b>{print_tainted+187} <ffffffff8010f738>{show_stack+232}

<ffffffff8010f7de>{show_registers+142} <ffffffff8010fa6c>{__die+156}

<ffffffff8010fae8>{die+56} <ffffffff8046962e>{do_general_protection+270}

<ffffffff8010ec61>{error_exit+0} <ffffffff8026e4e6>{_raw_spin_trylock+6}

<ffffffff80468a9e>{_spin_lock+30} <ffffffff802f858f>{cfq_exit_single_io_context+95}

<ffffffff802f8639>{cfq_exit_io_context+41} <ffffffff802eeea4>{exit_io_context+148}

<ffffffff801365ef>{do_exit+159} <ffffffff80468f1d>{_spin_unlock_irqrestore+29}

<ffffffff8013718e>{complete_and_exit+30} <ffffffff803a684e>{usb_stor_scan_thread+414}

<ffffffff8014b050>{autoremove_wake_function+0} <ffffffff8014b050>{autoremove_wake_function+0}

<ffffffff80469014>{_spin_unlock_irq+20} <ffffffff8010ee16>{child_rip+8}

<ffffffff803a66b0>{usb_stor_scan_thread+0} <ffffffff8010ee0e>{child_rip+0}

Unable to handle kernel NULL pointer dereference at 0000000000000008 RIP:

<ffffffff8010f606>{show_trace+582}

PGD 3e742067 PUD 3e7a3067 PMD 0

Oops: 0000 [8] PREEMPT SMP

CPU 0

Modules linked in:

Pid: 2106, comm: usb-stor-scan Not tainted 2.6.13-mm2 #6

RIP: 0010:[<ffffffff8010f606>] <ffffffff8010f606>{show_trace+582}

RSP: 0018:ffff81003e0c2a48 EFLAGS: 00010096

RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000001

RDX: 0000000000000000 RSI: 0000000000000046 RDI: 0000000000000001

RBP: ffff81003e0c2a98 R08: 0000000000000005 R09: 0000000000000000

R10: ffff81003e0c2968 R11: 0000000000000000 R12: ffff81003e0c4000

R13: ffffffff80687fc0 R14: 0000000000000000 R15: 0000000000000000

FS: 00002aaaaadfdb00(0000) GS:ffffffff806e1840(0000) knlGS:0000000000000000

CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b

CR2: 0000000000000008 CR3: 000000003e5fa000 CR4: 00000000000006e0

Process usb-stor-scan (pid: 2106, threadinfo ffff81003e0c2000, task ffff81003ea03450)

Stack: 0000000000000000 ffffffff8071b0c0 0000000000000000 ffffffff80133c5b

000000003e0c2a88 ffff81003e0c2d68 000000000000000a ffffffff80687fc0

ffffffff80683fc0 0000000000000000

Call Trace:<ffffffff80133c5b>{print_tainted+187} <ffffffff8010f738>{show_stack+232}

<ffffffff8010f7de>{show_registers+142} <ffffffff8010fa6c>{__die+156}

<ffffffff80469f53>{do_page_fault+1843} <ffffffff8013487b>{vprintk+891}

<ffffffff8013487b>{vprintk+891} <ffffffff8010ec61>{error_exit+0}

<ffffffff8010f606>{show_trace+582} <ffffffff8010f602>{show_trace+578}

<ffffffff80133c5b>{print_tainted+187} <ffffffff8010f738>{show_stack+232}

<ffffffff8010f7de>{show_registers+142} <ffffffff8010fa6c>{__die+156}

<ffffffff80469f53>{do_page_fault+1843} <ffffffff8013487b>{vprintk+891}

<ffffffff8013487b>{vprintk+891} <ffffffff8010ec61>{error_exit+0}

<ffffffff8010f606>{show_trace+582} <ffffffff8010f602>{show_trace+578}

<ffffffff80133c5b>{print_tainted+187} <ffffffff8010f738>{show_stack+232}

<ffffffff8010f7de>{show_registers+142} <ffffffff8010fa6c>{__die+156}

<ffffffff80469f53>{do_page_fault+1843} <ffffffff8013487b>{vprintk+891}

<ffffffff8013487b>{vprintk+891} <ffffffff8010ec61>{error_exit+0}

<ffffffff8010f606>{show_trace+582} <ffffffff8010f602>{show_trace+578}

<ffffffff80133c5b>{print_tainted+187} <ffffffff8010f738>{show_stack+232}

<ffffffff8010f7de>{show_registers+142} <ffffffff8010fa6c>{__die+156}

<ffffffff80469f53>{do_page_fault+1843} <ffffffff8013487b>{vprintk+891}

<ffffffff8013487b>{vprintk+891} <ffffffff8010ec61>{error_exit+0}

<ffffffff8010f606>{show_trace+582} <ffffffff8010f602>{show_trace+578}

<ffffffff80133c5b>{print_tainted+187} <ffffffff8010f738>{show_stack+232}

<ffffffff8010f7de>{show_registers+142} <ffffffff8010fa6c>{__die+156}

<ffffffff80469f53>{do_page_fault+1843} <ffffffff8013487b>{vprintk+891}

<ffffffff8013487b>{vprintk+891} <ffffffff8010ec61>{error_exit+0}

<ffffffff8010f606>{show_trace+582} <ffffffff8010f602>{show_trace+578}

<ffffffff80133c5b>{print_tainted+187} <ffffffff8010f738>{show_stack+232}

<ffffffff8010f7de>{show_registers+142} <ffffffff8010fa6c>{__die+156}

<ffffffff80469f53>{do_page_fault+1843} <ffffffff8013487b>{vprintk+891}

<ffffffff8013487b>{vprintk+891} <ffffffff8010ec61>{error_exit+0}

<ffffffff8010f606>{show_trace+582} <ffffffff8010f602>{show_trace+578}

<ffffffff80133c5b>{print_tainted+187} <ffffffff8010f738>{show_stack+232}

<ffffffff8010f7de>{show_registers+142} <ffffffff8010fa6c>{__die+156}

<ffffffff8010fae8>{die+56} <ffffffff8046962e>{do_general_protection+270}

<ffffffff8010ec61>{error_exit+0} <ffffffff8026e4e6>{_raw_spin_trylock+6}

<ffffffff80468a9e>{_spin_lock+30} <ffffffff802f858f>{cfq_exit_single_io_context+95}

<ffffffff802f8639>{cfq_exit_io_context+41} <ffffffff802eeea4>{exit_io_context+148}

<ffffffff801365ef>{do_exit+159} <ffffffff80468f1d>{_spin_unlock_irqrestore+29}

<ffffffff8013718e>{complete_and_exit+30} <ffffffff803a684e>{usb_stor_scan_thread+414}

<ffffffff8014b050>{autoremove_wake_function+0} <ffffffff8014b050>{autoremove_wake_function+0}

<ffffffff80469014>{_spin_unlock_irq+20} <ffffffff8010ee16>{child_rip+8}

<ffffffff803a66b0>{usb_stor_scan_thread+0} <ffffffff8010ee0e>{child_rip+0}

Unable to handle kernel NULL pointer dereference at 0000000000000008 RIP:

<ffffffff8010f606>{show_trace+582}

PGD 3e742067 PUD 3e7a3067 PMD 0

Oops: 0000 [9] PREEMPT SMP

CPU 0

Modules linked in:

Pid: 2106, comm: usb-stor-scan Not tainted 2.6.13-mm2 #6

RIP: 0010:[<ffffffff8010f606>] <ffffffff8010f606>{show_trace+582}

RSP: 0018:ffff81003e0c2778 EFLAGS: 00010096

RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000001

RDX: 0000000000000000 RSI: 0000000000000046 RDI: 0000000000000001

RBP: ffff81003e0c27c8 R08: 0000000000000005 R09: 0000000000000000

R10: ffff81003e0c2698 R11: 0000000000000000 R12: ffff81003e0c4000

R13: ffffffff80687fc0 R14: 0000000000000000 R15: 0000000000000000

FS: 00002aaaaadfdb00(0000) GS:ffffffff806e1840(0000) knlGS:0000000000000000

CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b

CR2: 0000000000000008 CR3: 000000003e5fa000 CR4: 00000000000006e0

Process usb-stor-scan (pid: 2106, threadinfo ffff81003e0c2000, task ffff81003ea03450)

Stack: 0000000000000000 ffffffff8071b0c0 0000000000000000 ffffffff80133c5b

000000003e0c27b8 ffff81003e0c2a98 000000000000000a ffffffff80687fc0

ffffffff80683fc0 0000000000000000

Call Trace:<ffffffff80133c5b>{print_tainted+187} <ffffffff8010f738>{show_stack+232}

<ffffffff8010f7de>{show_registers+142} <ffffffff8010fa6c>{__die+156}

<ffffffff80469f53>{do_page_fault+1843} <ffffffff8013487b>{vprintk+891}

<ffffffff8013487b>{vprintk+891} <ffffffff8010ec61>{error_exit+0}

<ffffffff8010f606>{show_trace+582} <ffffffff8010f602>{show_trace+578}

<ffffffff80133c5b>{print_tainted+187} <ffffffff8010f738>{show_stack+232}

<ffffffff8010f7de>{show_registers+142} <ffffffff8010fa6c>{__die+156}

<ffffffff80469f53>{do_page_fault+1843} <ffffffff8013487b>{vprintk+891}

<ffffffff8013487b>{vprintk+891} <ffffffff8010ec61>{error_exit+0}

<ffffffff8010f606>{show_trace+582} <ffffffff8010f602>{show_trace+578}

<ffffffff80133c5b>{print_tainted+187} <ffffffff8010f738>{show_stack+232}

<ffffffff8010f7de>{show_registers+142} <ffffffff8010fa6c>{__die+156}

<ffffffff80469f53>{do_page_fault+1843} <ffffffff8013487b>{vprintk+891}

<ffffffff8013487b>{vprintk+891} <ffffffff8010ec61>{error_exit+0}

<ffffffff8010f606>{show_trace+582} <ffffffff8010f602>{show_trace+578}

<ffffffff80133c5b>{print_tainted+187} <ffffffff8010f738>{show_stack+232}

<ffffffff8010f7de>{show_registers+142} <ffffffff8010fa6c>{__die+156}

<ffffffff80469f53>{do_page_fault+1843} <ffffffff8013487b>{vprintk+891}

<ffffffff8013487b>{vprintk+891} <ffffffff8010ec61>{error_exit+0}

<ffffffff8010f606>{show_trace+582} <ffffffff8010f602>{show_trace+578}

<ffffffff80133c5b>{print_tainted+187} <ffffffff8010f738>{show_stack+232}

<ffffffff8010f7de>{show_registers+142} <ffffffff8010fa6c>{__die+156}

<ffffffff80469f53>{do_page_fault+1843} <ffffffff8013487b>{vprintk+891}

<ffffffff8013487b>{vprintk+891} <ffffffff8010ec61>{error_exit+0}

<ffffffff8010f606>{show_trace+582} <ffffffff8010f602>{show_trace+578}

<ffffffff80133c5b>{print_tainted+187} <ffffffff8010f738>{show_stack+232}

<ffffffff8010f7de>{show_registers+142} <ffffffff8010fa6c>{__die+156}

<ffffffff80469f53>{do_page_fault+1843} <ffffffff8013487b>{vprintk+891}

<ffffffff8013487b>{vprintk+891} <ffffffff8010ec61>{error_exit+0}

<ffffffff8010f606>{show_trace+582} <ffffffff8010f602>{show_trace+578}

<ffffffff80133c5b>{print_tainted+187} <ffffffff8010f738>{show_stack+232}

<ffffffff8010f7de>{show_registers+142} <ffffffff8010fa6c>{__die+156}

<ffffffff80469f53>{do_page_fault+1843} <ffffffff8013487b>{vprintk+891}

<ffffffff8013487b>{vprintk+891} <ffffffff8010ec61>{error_exit+0}

<ffffffff8010f606>{show_trace+582} <ffffffff8010f602>{show_trace+578}

<ffffffff80133c5b>{print_tainted+187} <ffffffff8010f738>{show_stack+232}

<ffffffff8010f7de>{show_registers+142} <ffffffff8010fa6c>{__die+156}

<ffffffff8010fae8>{die+56} <ffffffff8046962e>{do_general_protection+270}

<ffffffff8010ec61>{error_exit+0} <ffffffff8026e4e6>{_raw_spin_trylock+6}

<ffffffff80468a9e>{_spin_lock+30} <ffffffff802f858f>{cfq_exit_single_io_context+95}

<ffffffff802f8639>{cfq_exit_io_context+41} <ffffffff802eeea4>{exit_io_context+148}

<ffffffff801365ef>{do_exit+159} <ffffffff80468f1d>{_spin_unlock_irqrestore+29}

<ffffffff8013718e>{complete_and_exit+30} <ffffffff803a684e>{usb_stor_scan_thread+414}

<ffffffff8014b050>{autoremove_wake_function+0} <ffffffff8014b050>{autoremove_wake_function+0}

<ffffffff80469014>{_spin_unlock_irq+20} <ffffffff8010ee16>{child_rip+8}

<ffffffff803a66b0>{usb_stor_scan_thread+0} <ffffffff8010ee0e>{child_rip+0}

Unable to handle kernel NULL pointer dereference at 0000000000000008 RIP:

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