* [Bluez-users] another oops with bthid and 2.6.5
@ 2004-04-12 21:30 Michal Semler (volny.cz)
2004-04-12 22:53 ` Marcel Holtmann
0 siblings, 1 reply; 4+ messages in thread
From: Michal Semler (volny.cz) @ 2004-04-12 21:30 UTC (permalink / raw)
To: bluez-users
Hi Marcel,
when normal work when I sometimes move mouse, kernel oopses with this oops:
Code: Bad EIP value.
<1>Unable to handle kernel NULL pointer dereference at virtual address
00000004
printing eip:
00000004
*pde = 00000000
Oops: 0000 [#5]
CPU: 0
EIP: 0060:[<00000004>] Not tainted
EFLAGS: 00010006 (2.6.5)
EIP is at 0x4
eax: c0328644 ebx: c0328644 ecx: 00000000 edx: 00000003
esi: c02d1adf edi: c0326c50 ebp: cd989db8 esp: cd989d9c
ds: 007b es: 007b ss: 0068
Process bthid (pid: 553, threadinfo=cd988000 task=cd9dd160)
Stack: c01185ab 000001a4 00000001 00000003 00000286 ceecc1c0 c8637a14 cd989dc8
c01185e6 00000000 c863a800 c8646380 cf8c6108 c015a0de 00000246 c863a800
cf8c66a6 c8715780 c01465fb c8715780 00000000 cde23580 cde23580 c0145070
Call Trace:
[<c01185ab>] __wake_up_common+0x2d/0x50
[<c01185e6>] __wake_up+0x18/0x21
[<cf8c6108>] uinput_destroy_device+0x17/0x41 [uinput]
[<c015a0de>] iput+0x4c/0x5e
[<cf8c66a6>] uinput_burn_device+0x23/0x25 [uinput]
[<c01465fb>] __fput+0xd6/0xe7
[<c0145070>] filp_close+0x4f/0x7a
[<c011c1fc>] put_files_struct+0x7e/0xd2
[<c011cc8f>] do_exit+0x146/0x30e
[<c01095e9>] do_divide_error+0x0/0xd3
[<c0116a75>] do_page_fault+0x23e/0x4c1
[<c0118572>] default_wake_function+0x0/0xc
[<c01271db>] call_usermodehelper+0xac/0xb5
[<c01270ec>] __call_usermodehelper+0x0/0x43
[<c01ae44f>] vsnprintf+0x24b/0x4b9
[<c0116837>] do_page_fault+0x0/0x4c1
[<c0108ff1>] error_code+0x2d/0x38
[<c01185ab>] __wake_up_common+0x2d/0x50
[<c01185e6>] __wake_up+0x18/0x21
[<cf8c6108>] uinput_destroy_device+0x17/0x41 [uinput]
[<cf8c66a6>] uinput_burn_device+0x23/0x25 [uinput]
[<c01465fb>] __fput+0xd6/0xe7
[<c0145070>] filp_close+0x4f/0x7a
[<c0108e47>] syscall_call+0x7/0xb
Code: Bad EIP value.
<4>Synaptics driver lost sync at byte 4
Synaptics driver lost sync at byte 1
Synaptics driver resynced.
--------------------------
Maybe I better return back to 2.4.25???
Michal
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [Bluez-users] another oops with bthid and 2.6.5
2004-04-12 21:30 [Bluez-users] another oops with bthid and 2.6.5 Michal Semler (volny.cz)
@ 2004-04-12 22:53 ` Marcel Holtmann
2004-04-13 5:55 ` Michal Semler (volny.cz)
0 siblings, 1 reply; 4+ messages in thread
From: Marcel Holtmann @ 2004-04-12 22:53 UTC (permalink / raw)
To: cijoml; +Cc: BlueZ Mailing List
Hi Michal,
> when normal work when I sometimes move mouse, kernel oopses with this oops:
>
> Code: Bad EIP value.
> <1>Unable to handle kernel NULL pointer dereference at virtual address
> 00000004
> printing eip:
> 00000004
> *pde = 00000000
> Oops: 0000 [#5]
> CPU: 0
> EIP: 0060:[<00000004>] Not tainted
> EFLAGS: 00010006 (2.6.5)
> EIP is at 0x4
> eax: c0328644 ebx: c0328644 ecx: 00000000 edx: 00000003
> esi: c02d1adf edi: c0326c50 ebp: cd989db8 esp: cd989d9c
> ds: 007b es: 007b ss: 0068
> Process bthid (pid: 553, threadinfo=cd988000 task=cd9dd160)
> Stack: c01185ab 000001a4 00000001 00000003 00000286 ceecc1c0 c8637a14 cd989dc8
> c01185e6 00000000 c863a800 c8646380 cf8c6108 c015a0de 00000246 c863a800
> cf8c66a6 c8715780 c01465fb c8715780 00000000 cde23580 cde23580 c0145070
> Call Trace:
> [<c01185ab>] __wake_up_common+0x2d/0x50
> [<c01185e6>] __wake_up+0x18/0x21
> [<cf8c6108>] uinput_destroy_device+0x17/0x41 [uinput]
> [<c015a0de>] iput+0x4c/0x5e
> [<cf8c66a6>] uinput_burn_device+0x23/0x25 [uinput]
> [<c01465fb>] __fput+0xd6/0xe7
> [<c0145070>] filp_close+0x4f/0x7a
> [<c011c1fc>] put_files_struct+0x7e/0xd2
> [<c011cc8f>] do_exit+0x146/0x30e
> [<c01095e9>] do_divide_error+0x0/0xd3
> [<c0116a75>] do_page_fault+0x23e/0x4c1
> [<c0118572>] default_wake_function+0x0/0xc
> [<c01271db>] call_usermodehelper+0xac/0xb5
> [<c01270ec>] __call_usermodehelper+0x0/0x43
> [<c01ae44f>] vsnprintf+0x24b/0x4b9
> [<c0116837>] do_page_fault+0x0/0x4c1
> [<c0108ff1>] error_code+0x2d/0x38
> [<c01185ab>] __wake_up_common+0x2d/0x50
> [<c01185e6>] __wake_up+0x18/0x21
> [<cf8c6108>] uinput_destroy_device+0x17/0x41 [uinput]
> [<cf8c66a6>] uinput_burn_device+0x23/0x25 [uinput]
> [<c01465fb>] __fput+0xd6/0xe7
> [<c0145070>] filp_close+0x4f/0x7a
> [<c0108e47>] syscall_call+0x7/0xb
>
> Code: Bad EIP value.
looks like there is a bug somewhere in the uinput driver. From a first
review I can't find anything. Please add some printk debugging statement
to the uinput driver, so we can track down where the problem is and
under what circumstances it occurs.
Regards
Marcel
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [Bluez-users] another oops with bthid and 2.6.5
2004-04-12 22:53 ` Marcel Holtmann
@ 2004-04-13 5:55 ` Michal Semler (volny.cz)
2004-04-17 0:23 ` Marcel Holtmann
0 siblings, 1 reply; 4+ messages in thread
From: Michal Semler (volny.cz) @ 2004-04-13 5:55 UTC (permalink / raw)
To: bluez-users
Dne =FAt 13. dubna 2004 00:53 Marcel Holtmann napsal(a):
> Hi Michal,
>
> > when normal work when I sometimes move mouse, kernel oopses with this
> > oops:
> >
> > Code: Bad EIP value.
> > <1>Unable to handle kernel NULL pointer dereference at virtual address
> > 00000004
> > printing eip:
> > 00000004
> > *pde =3D 00000000
> > Oops: 0000 [#5]
> > CPU: 0
> > EIP: 0060:[<00000004>] Not tainted
> > EFLAGS: 00010006 (2.6.5)
> > EIP is at 0x4
> > eax: c0328644 ebx: c0328644 ecx: 00000000 edx: 00000003
> > esi: c02d1adf edi: c0326c50 ebp: cd989db8 esp: cd989d9c
> > ds: 007b es: 007b ss: 0068
> > Process bthid (pid: 553, threadinfo=3Dcd988000 task=3Dcd9dd160)
> > Stack: c01185ab 000001a4 00000001 00000003 00000286 ceecc1c0 c8637a14
> > cd989dc8 c01185e6 00000000 c863a800 c8646380 cf8c6108 c015a0de 00000246
> > c863a800 cf8c66a6 c8715780 c01465fb c8715780 00000000 cde23580 cde23580
> > c0145070 Call Trace:
> > [<c01185ab>] __wake_up_common+0x2d/0x50
> > [<c01185e6>] __wake_up+0x18/0x21
> > [<cf8c6108>] uinput_destroy_device+0x17/0x41 [uinput]
> > [<c015a0de>] iput+0x4c/0x5e
> > [<cf8c66a6>] uinput_burn_device+0x23/0x25 [uinput]
> > [<c01465fb>] __fput+0xd6/0xe7
> > [<c0145070>] filp_close+0x4f/0x7a
> > [<c011c1fc>] put_files_struct+0x7e/0xd2
> > [<c011cc8f>] do_exit+0x146/0x30e
> > [<c01095e9>] do_divide_error+0x0/0xd3
> > [<c0116a75>] do_page_fault+0x23e/0x4c1
> > [<c0118572>] default_wake_function+0x0/0xc
> > [<c01271db>] call_usermodehelper+0xac/0xb5
> > [<c01270ec>] __call_usermodehelper+0x0/0x43
> > [<c01ae44f>] vsnprintf+0x24b/0x4b9
> > [<c0116837>] do_page_fault+0x0/0x4c1
> > [<c0108ff1>] error_code+0x2d/0x38
> > [<c01185ab>] __wake_up_common+0x2d/0x50
> > [<c01185e6>] __wake_up+0x18/0x21
> > [<cf8c6108>] uinput_destroy_device+0x17/0x41 [uinput]
> > [<cf8c66a6>] uinput_burn_device+0x23/0x25 [uinput]
> > [<c01465fb>] __fput+0xd6/0xe7
> > [<c0145070>] filp_close+0x4f/0x7a
> > [<c0108e47>] syscall_call+0x7/0xb
> >
> > Code: Bad EIP value.
>
> looks like there is a bug somewhere in the uinput driver. From a first
> review I can't find anything. Please add some printk debugging statement
> to the uinput driver, so we can track down where the problem is and
> under what circumstances it occurs.
>
> Regards
>
> Marcel
I forgot to say, that this oops happens when preempt is switched off
Michal
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [Bluez-users] another oops with bthid and 2.6.5
2004-04-13 5:55 ` Michal Semler (volny.cz)
@ 2004-04-17 0:23 ` Marcel Holtmann
0 siblings, 0 replies; 4+ messages in thread
From: Marcel Holtmann @ 2004-04-17 0:23 UTC (permalink / raw)
To: cijoml; +Cc: BlueZ Mailing List
Hi Michal,
> I forgot to say, that this oops happens when preempt is switched off
you can see that in the oops ;)
This is a normal NULL pointer dereference and we have to find the wrong
code in uinput.c and fix it. Acutally I have not time for it :(
Regards
Marcel
-------------------------------------------------------
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2004-04-12 21:30 [Bluez-users] another oops with bthid and 2.6.5 Michal Semler (volny.cz)
2004-04-12 22:53 ` Marcel Holtmann
2004-04-13 5:55 ` Michal Semler (volny.cz)
2004-04-17 0:23 ` Marcel Holtmann
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