Re: 2.6.18-rc6-mm2

["Michal Piotrowski" <michal.k.k.piotrowski@gmail.com>]

On 12/09/06, Andrew Morton <akpm@osdl.org> wrote:
> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.18-rc6/2.6.18-rc6-mm2/

Kernel 2.6.18-rc6-mm2 - xfs-rename-uio_read.patch
Built with gcc 3.4
Reading specs from /usr/local/bin/../lib/gcc/i686-pc-linux-gnu/3.4.6/specs
Configured with: ./configure --prefix=/usr/local/ --disable-nls
--enable-shared --enable-languages=c --program-suffix=-3.4
Thread model: posix
gcc version 3.4.6

ACPI: PCI Interrupt 0000:00:1d.2[C] -> GSI 18 (level, low) -> IRQ 17
BUG: unable to handle kernel paging request at virtual address 5a5a5aaa
usb usb2: configuration #1 chosen from 1 choice
hub 2-0:1.0: USB hub found
printing eip:
c01f596a
*pde = 00000000
Oops: 0000 [#1]
4K_STACKS PREEMPT SMP
last sysfs file:
Modules linked in:
CPU:    0
EIP:    0060:[<c01f596a>]    Not tainted VLI
EFLAGS: 00010202   (2.6.18-rc6-mm2 #122)
EIP is at kref_get+0x7/0x55
eax: 5a5a5aaa   ebx: 5a5a5aaa   ecx: c75cfe54   edx: c75cfe54
esi: c033152f   edi: c75cfe5e   ebp: c755be20   esp: c755be18
ds: 007b   es: 007b   ss: 0068
Process usb-probe-<NULL (pid: 291, ti=c755b000 task=c759aab0 task.ti=c755b000)
Stack: 5a5a5a92 c033152f c755be2c c01f529b c75cfe80 c755be50 c01b1513 c755be50
      fffffff4 c75bd51c 5a5a5a92 c75b8eec c0331525 5a5a5a92 c755be68 c01b15ca
      ffffffef c75cfeac c752e044 c752e044 c755be80 c025d2ff c752e12c c75cfeac
Call Trace:
[<c01f529b>] kobject_get+0x12/0x17
[<c01b1513>] sysfs_add_link+0x5f/0xa3
[<c01b15ca>] sysfs_create_link+0x73/0x8c
[<c025d2ff>] device_add_class_symlinks+0x2f/0x111
[<c025d5f4>] device_add+0x181/0x2ea
[<c025d76f>] device_register+0x12/0x15
[<c02936b2>] usb_create_ep_files+0xaf/0x146
[<c0293013>] usb_create_sysfs_dev_files+0x80/0xbb
[<c0296402>] generic_probe+0xc/0x55
[<c0290e54>] usb_probe_device+0x35/0x3b
[<c025f1eb>] really_probe+0x3a/0xbb
[<c025f31e>] driver_probe_device+0x99/0xa5
[<c025f332>] __device_attach+0x8/0xa
[<c025e828>] bus_for_each_drv+0x38/0x5d
[<c025f384>] device_attach+0x50/0x67
[<c025e9fe>] bus_attach_device+0x1a/0x35
[<c025d65e>] device_add+0x1eb/0x2ea
[<c028c182>] __usb_new_device+0x102/0x134
[<c0134b3d>] kthread+0x79/0xa1
[<c0103e53>] kernel_thread_helper+0x7/0x10
=======================
Code: 40 89 06 3b 45 18 5e 7f 04 ff 07 31 db 8d 65 f4 89 d8 5b 5e 5f
5d c3 90 90 55 c7 00 01 00 00 00 89 e5 5d c3 55 89 e5 56 53 89 c3 <8b>
00 85 c0 0f 94 c0 0f b6 f0 b8 38 b9 38 c0 89 f2 e8 f4 0f 01
Sep 14 12:58:09 euridica kernel: EIP: [<c01f596a>] kref_get+0x7/0x55
SS:ESP 0068:c755be18
Sep 14 12:58:09 euridica kernel:  <7>PCI: Setting latency timer of
device 0000:00:1d.2 to 64

l *0xc01f596a
0xc01f596a is in kref_get (/usr/src/linux-mm/lib/kref.c:32).
27       * kref_get - increment refcount for object.
28       * @kref: object.
29       */
30      void kref_get(struct kref *kref)
31      {
32              WARN_ON(!atomic_read(&kref->refcount));
33              atomic_inc(&kref->refcount);
34      }
35
36      /**

http://www.stardust.webpages.pl/files/mm/2.6.18-rc6-mm2/mm-config1

Regards,
Michal

--
Michal K. K. Piotrowski
LTG - Linux Testers Group
(http://www.stardust.webpages.pl/ltg/)
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