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SubjectOoops with suspend to RAM
Date
Hi all,

With latest GIT tree I am getting the following oops when I try to suspend to
RAM:

BUG: unable to handle kernel NULL pointer dereference at virtual address
00000094
printing eip:
c0222af4
*pde = 00000000
Oops: 0000 [#1]
PREEMPT
Modules linked in: i915 drm snd_pcm_oss snd_mixer_oss snd_seq_dummy
snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device usbhid eth1394 ipw2200
ieee80211 ieee80211_crypt snd_hda_intel snd_hda_codec snd_pcm snd_timer snd
snd_page_alloc tifm_7xx1 tifm_core i2c_i801 i2c_core ehci_hcd uhci_hcd
ohci1394 ieee1394 pcmcia usbcore yenta_socket rsrc_nonstatic pcmcia_core
sony_laptop backlight
CPU: 0
EIP: 0060:[<c0222af4>] Not tainted VLI
EFLAGS: 00010246 (2.6.21-rc3 #12)
EIP is at class_device_remove_attrs+0xa/0x30
eax: f7cb5b18 ebx: 00000000 ecx: f8bde010 edx: 00000000
esi: 00000000 edi: f7cb5b18 ebp: 00000000 esp: d93e7e1c
ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0068
Process modprobe (pid: 12200, ti=d93e6000 task=e5770a50 task.ti=d93e6000)
Stack: f7cb5b18 f7cb5b20 00000000 c0222bc3 f7cb5990 00000000 f7cb5b18 f7cb59c4
f8bcdc0f 00000000 c0222bfb f7cb5990 f8bcdbf6 f8bd3275 04e2c100 0000000f
000003c3 f8dcf05f 00000000 f7e3e000 00000000 f8bcdc17 c0220567 f7e3e0a4
Call Trace:
[<c0222bc3>] class_device_del+0xa9/0xd9
[<f8bcdc0f>] __nodemgr_remove_host_dev+0x0/0xb [ieee1394]
[<c0222bfb>] class_device_unregister+0x8/0x10
[<f8bcdbf6>] nodemgr_remove_ne+0x61/0x7a [ieee1394]
[<f8dcf05f>] ether1394_mac_addr+0x0/0x12 [eth1394]
[<f8bcdc17>] __nodemgr_remove_host_dev+0x8/0xb [ieee1394]
[<c0220567>] device_for_each_child+0x1a/0x3c
[<f8bcdf34>] nodemgr_remove_host+0x30/0x90 [ieee1394]
[<f8bcb4b1>] __unregister_host+0x1a/0xac [ieee1394]
[<c0125e1c>] flush_cpu_workqueue+0x98/0xb7
[<f8bcb6da>] highlevel_remove_host+0x21/0x42 [ieee1394]
[<f8bcb247>] hpsb_remove_host+0x37/0x58 [ieee1394]
[<f8be1229>] ohci1394_pci_remove+0x47/0x1ec [ohci1394]
[<c01877b9>] sysfs_hash_and_remove+0xfa/0x111
[<c01ccc9c>] pci_device_remove+0x16/0x35
[<c0222321>] __device_release_driver+0x6e/0x8b
[<c022279b>] driver_detach+0x99/0xda
[<c0221fa2>] bus_remove_driver+0x57/0x75
[<c02227fd>] driver_unregister+0x8/0x13
[<c01ccdfd>] pci_unregister_driver+0xc/0x67
[<c0134133>] sys_delete_module+0x15c/0x19d
[<c0149fc0>] remove_vma+0x31/0x36
[<c014a946>] do_munmap+0x19b/0x1b4
[<c0104cca>] sysenter_past_esp+0x5f/0x85
[<c0300000>] packet_notifier+0xf3/0x157
=======================
Code: ff c3 85 c0 74 08 83 c0 08 e9 83 6d f6 ff b8 ea ff ff ff c3 85 c0 74 08
83 c0 08 e9 4c 51 f6 ff c3 57 89 c7 56 53 8b 70 44 31 db <83> be 94 00 00 00
00 75 09 eb 17 89 f8 e8 d7 ff ff ff 89 da 83
EIP: [<c0222af4>] class_device_remove_attrs+0xa/0x30 SS:ESP 0068:d93e7e1c

Checking Google I see a similar oops was reported long ago:
http://lkml.org/lkml/2006/11/16/147 .

Any ideas/patches to test? Please CC me in your replies.

Thanks.

--
Happiness in intelligent people is the rarest thing I know. (Ernest Hemingway)

Ismail Donmez ismail (at) pardus.org.tr
GPG Fingerprint: 7ACD 5836 7827 5598 D721 DF0D 1A9D 257A 5B88 F54C
Pardus Linux / KDE developer
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