Hello,
Just got this:
CPU: 0
EFLAGS: 00010286 (2.6.23-rc6 #1)
esi: 00000068 edi: c9fc1000 ebp: ffffffea esp: c2c6de28
Stack: 00000000 c1fcef80 c030a3a1 cd7fb2b8 00000068 c01c484b c9fc1068
c01c4bda
Call Trace:
[<c01c4bda>] kobject_move+0x24/0xec
[<c0223bdf>] device_move+0xaa/0xe2
[<c0118689>] default_wake_function+0x0/0xc
EIP: 0060:[<c01c534d>] Not tainted VLI
EIP is at kref_get+0x6/0x3d
Oops: 0000 [#1]
eax: 00000080 ebx: 00000080 ecx: 00000000 edx: 00000068
ds: 007b es: 007b fs: 0000 gs: 0033 ss: 0068
00000286 00000000 c9fc1068 ca9ca2a0 c02238fb 00000000 00000000
cd7fb2b8
Process rfcomm (pid: 9031, ti=c2c6c000 task=c7e51570 task.ti=c2c6c000)
[<c02238fb>] device_move_class_links+0x89/0x91
c9fc1000 fffffffe c0223bdf c9fc1068 c62d73c0 cd7fb200 c9055800
c9055904
[<c01c484b>] kobject_get+0xf/0x13
[<d034ca85>] rfcomm_tty_open+0x17c/0x192 [rfcomm]
[<c015d0d2>] chrdev_open+0xc1/0xf6
[<c0159ba5>] __dentry_open+0xb4/0x160
[<c0159ccb>] nameidata_to_filp+0x24/0x33
[<c0159a82>] get_unused_fd_flags+0x42/0xaa
[<c0159d60>] do_sys_open+0x48/0xcf
[<c0103c72>] syscall_call+0x7/0xb
Code: 14 72 f5 ff e8 8d 08 f4 ff ff 0b 0f 94 c0 31 d2 84 c0 74 09 89
d8 ff d6 ba 01 00 00 00 83 c4 10 89 d0 5b 5e c3 53 89 c3 83 ec 10 <83>
38 00 75
29 c7 44 24 0c 1d 54 2b c0 c7 44 24 08 21 00 00 00
[<c020f4b2>] tty_open+0x167/0x291
[<c015d011>] chrdev_open+0x0/0xf6
[<c0159d11>] do_filp_open+0x37/0x3e
EIP: [<c01c534d>] kref_get+0x6/0x3d SS:ESP 0068:c2c6de28
=======================
[<c0159e20>] sys_open+0x1c/0x1e
I was trying to open 4 RFCOMM links off one dongle. 3 were plugged in
the box, and the second one was was performing inquiry. Third was up but
idle.
I was opening the rfcomms using the "rfcomm" utility by hand. The Oops
happened as the links were created (eg at the time were remote devices
accepted the connection), and no data was sent on the links at that point.
If I can give more information, please ask, and tell me what you need.
I'm not used to that kernel stuff, so please bear with me.
Best Regards,
Pierre-Yves
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Hi Pierre-Yves,
> > please post this to LKML, because it looks like an issue withing the
> > device_move() API call.
>
> Ok, will do. Do you think they may need more information about anything,
> or is this report complete enough for them to be useful?
you should include the kernel config to check which sysfs option have
been used.
Regards
Marcel
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Hi Marcel,
> please post this to LKML, because it looks like an issue withing the
> device_move() API call.
Ok, will do. Do you think they may need more information about anything,
or is this report complete enough for them to be useful?
Best Regards,
Pierre-Yves
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Hi Pierre-Yves,
> Just got this:
>
> CPU: 0
> EFLAGS: 00010286 (2.6.23-rc6 #1)
> esi: 00000068 edi: c9fc1000 ebp: ffffffea esp: c2c6de28
> Stack: 00000000 c1fcef80 c030a3a1 cd7fb2b8 00000068 c01c484b c9fc1068
> c01c4bda
> Call Trace:
> [<c01c4bda>] kobject_move+0x24/0xec
> [<c0223bdf>] device_move+0xaa/0xe2
> [<c0118689>] default_wake_function+0x0/0xc
> EIP: 0060:[<c01c534d>] Not tainted VLI
> EIP is at kref_get+0x6/0x3d
> Oops: 0000 [#1]
> eax: 00000080 ebx: 00000080 ecx: 00000000 edx: 00000068
> ds: 007b es: 007b fs: 0000 gs: 0033 ss: 0068
> 00000286 00000000 c9fc1068 ca9ca2a0 c02238fb 00000000 00000000
> cd7fb2b8
> Process rfcomm (pid: 9031, ti=c2c6c000 task=c7e51570 task.ti=c2c6c000)
> [<c02238fb>] device_move_class_links+0x89/0x91
> c9fc1000 fffffffe c0223bdf c9fc1068 c62d73c0 cd7fb200 c9055800
> c9055904
> [<c01c484b>] kobject_get+0xf/0x13
> [<d034ca85>] rfcomm_tty_open+0x17c/0x192 [rfcomm]
> [<c015d0d2>] chrdev_open+0xc1/0xf6
> [<c0159ba5>] __dentry_open+0xb4/0x160
> [<c0159ccb>] nameidata_to_filp+0x24/0x33
> [<c0159a82>] get_unused_fd_flags+0x42/0xaa
> [<c0159d60>] do_sys_open+0x48/0xcf
> [<c0103c72>] syscall_call+0x7/0xb
> Code: 14 72 f5 ff e8 8d 08 f4 ff ff 0b 0f 94 c0 31 d2 84 c0 74 09 89
> d8 ff d6 ba 01 00 00 00 83 c4 10 89 d0 5b 5e c3 53 89 c3 83 ec 10 <83>
> 38 00 75
> 29 c7 44 24 0c 1d 54 2b c0 c7 44 24 08 21 00 00 00
> [<c020f4b2>] tty_open+0x167/0x291
> [<c015d011>] chrdev_open+0x0/0xf6
> [<c0159d11>] do_filp_open+0x37/0x3e
> EIP: [<c01c534d>] kref_get+0x6/0x3d SS:ESP 0068:c2c6de28
> =======================
> [<c0159e20>] sys_open+0x1c/0x1e
>
>
> I was trying to open 4 RFCOMM links off one dongle. 3 were plugged in
> the box, and the second one was was performing inquiry. Third was up but
> idle.
>
> I was opening the rfcomms using the "rfcomm" utility by hand. The Oops
> happened as the links were created (eg at the time were remote devices
> accepted the connection), and no data was sent on the links at that point.
>
> If I can give more information, please ask, and tell me what you need.
> I'm not used to that kernel stuff, so please bear with me.
please post this to LKML, because it looks like an issue withing the
device_move() API call.
Regards
Marcel
-------------------------------------------------------------------------
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Defy all challenges. Microsoft(R) Visual Studio 2005.
http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
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