Re: 2.6.19-rc5-mm2

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]


Mattia Dongili wrote:

| ieee1394: Node removed: ID:BUS[0-00:1023]  GUID[080046030227e7bb]
| ieee1394: Node removed: ID:BUS[20754571-38:0455]  GUID[00000000f8ee6067]
| BUG: unable to handle kernel NULL pointer dereference at virtual
address 000000a4
|  printing eip:
| c0238c60
| *pde = 00000000
| Oops: 0000 [#1]
| last sysfs file: /devices/pci0000:00/0000:00:00.0/class
| EIP is at class_device_remove_attrs+0xd/0x34
| eax: f7e02b8c   ebx: 00000000   ecx: ffffffff   edx: 00000000
| esi: 00000000   edi: f7e02b8c   ebp: f7629e04   esp: f7629df8
| ds: 007b   es: 007b   ss: 0068
| Process rmmod (pid: 2419, ti=f7628000 task=f702a550 task.ti=f7628000)
| Stack: f7e02b8c f7e02b94 00000000 f7629e20 c0238d47 00000000 f7e02a30
|        f7e02a30 00000000 f7629e2c c0238d82 f7e029f4 f7629e54 f8d5da3d
|        013cb08b 00000026 000001c7 f8ee6067 00000000 00000000 f8d5da52
| Call Trace:
|  [<c0238d47>] class_device_del+0xc0/0xf0
|  [<c0238d82>] class_device_unregister+0xb/0x15
|  [<f8d5da3d>] nodemgr_remove_ne+0x64/0x79 [ieee1394]
|  [<f8d5da5d>] __nodemgr_remove_host_dev+0xb/0xf [ieee1394]
|  [<c02366dc>] device_for_each_child+0x1d/0x46
|  [<f8d5dd82>] nodemgr_remove_host+0x36/0x5d [ieee1394]
|  [<f8d5b4f3>] __unregister_host+0x1b/0x9c [ieee1394]
|  [<f8d5b70b>] highlevel_remove_host+0x24/0x47 [ieee1394]
|  [<f8d5b14f>] hpsb_remove_host+0x3b/0x5c [ieee1394]
|  [<f8dcbf9d>] ohci1394_pci_remove+0x47/0x1c7 [ohci1394]
|  [<c01dd619>] pci_device_remove+0x19/0x39

Either the FireWire host's device->klist_children was overwritten before
the call to device_for_each_child (perhaps nodemgr didn't hold a
reference which it should have), or/and all of this is an issue with the
ongoing migration away from class_device.
Stefan Richter
-=====-=-==- =-== =---=
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at
Please read the FAQ at

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux