linux-kernel - Re: [Bluez-users] OOPS when swsusp/resume when connected to the internet via BT and GPRS

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Message-Id: <200705071831.17872.cijoml@volny.cz>
Date:	Mon, 7 May 2007 18:31:17 +0200
From:	CIJOML <cijoml@...ny.cz>
To:	bluez-users@...ts.sourceforge.net
Cc:	Stefan Seyfried <seife@...e.de>, linux-kernel@...r.kernel.org,
	marcel@...tmann.de
Subject: Re: [Bluez-users] OOPS when swsusp/resume when connected to the internet via BT and GPRS

Hi Stefan,

thanks for verification on not tainted kernel. I made same test with same 
error with/without tainted kernel too.

Michal

Dne pondělí 07 květen 2007 09:40 Stefan Seyfried napsal(a):
> On Mon, May 07, 2007 at 12:05:33AM +0200, CIJOML wrote:
> > Hi all,
> >
> > today I experienced OOPS when connected via BT/GPRS to the internet, then
> > swsup and resumed with dongle in HID proxy mode. Please see details in
> > dmesg log:
>
> I got two similar looking oopsen when my mobile phone crashed and thus
> went away while i was connected via BT/3G.
> The second oops happend when trying to reconnect.
>
>  BUG: unable to handle kernel NULL pointer dereference at virtual address
> 0000000c printing eip:
> c01a0dce
> *pde = 00000000
> Oops: 0000 [#1]
> SMP
> last sysfs file: devices/system/cpu/cpu0/cpufreq/scaling_cur_freq
> Modules linked in: xfrm_user xfrm4_tunnel af_key ppp_deflate bsd_comp
> ppp_async crc_ccitt rfcomm hidp l2cap hci_usb button r8169 pcmcia
> firmware_class yenta_socket rsrc_nonstatic pcmcia_core uhci_hcd ehci_hcd
> kqemu nfs lockd nfs_acl sunrpc nls_iso8859_1 nls_cp437 vfat fat usb_storage
> xfrm4_mode_tunnel deflate zlib_deflate camellia serpent blowfish xcbc
> crypto_null tunnel4 ipcomp esp4 ah4 aes des md5 sha1 sha256 autofs4
> michael_mic arc4 ecb ieee80211_crypt_tkip bluetooth i915 drm ppp_generic
> slhc af_packet ipv6 snd_pcm_oss snd_mixer_oss snd_seq snd_seq_device
> cpufreq_conservative cpufreq_ondemand cpufreq_userspace cpufreq_powersave
> acpi_cpufreq speedstep_lib freq_table bay dock pcc_acpi battery ac apparmor
> cbc blkcipher twofish twofish_common usbhid hid ff_memless ohci_hcd
> dm_crypt ext2 loop dm_mod fuse generic rtc_cmos piix ieee80211
> ieee80211_crypt rtc_core rtc_lib ide_core ohci1394 ieee1394 snd_intel8x0
> snd_ac97_codec ac97_bus snd_pcm snd_timer snd soundcore iTCO_wdt iTCO_v
> endor_support snd_page_alloc i2c_i801 i2c_core usbcore joydev shpchp
> pci_hotplug intel_agp agpgart parport_pc lp parport ext3 mbcache jbd sr_mod
> cdrom sg edd fan ata_piix libata thermal processor sd_mod scsi_mod CPU:   
> 0
> EIP:    0060:[<c01a0dce>]    Tainted: G      N VLI
> EFLAGS: 00010282   (2.6.21-2-default #1)
> EIP is at sysfs_move_dir+0x3e/0x117
> eax: 00000000   ebx: f1e3db40   ecx: c6573e74   edx: dff9b840
> esi: dfc01cf0   edi: 00000000   ebp: dff9b840   esp: c6573e48
> ds: 007b   es: 007b   fs: 00d8  gs: 0033  ss: 0068
> Process pppd (pid: 30673, ti=c6572000 task=dfe3da90 task.ti=c6572000)
> Stack: c0300758 e54ff878 00000000 fffffff4 f1e3db40 e54ff878 fffffff4
> dff9b840 c01c4481 dff353c0 c030074a f1e3db40 dff353c0 dff353c0 00000000
> 00000000 e54ff800 00000000 dff9b840 c02291a7 e54ff878 f1e3ddc0 f3caa800
> 00000000 Call Trace:
>  [<c01c4481>] kobject_move+0xad/0xf8
>  [<c02291a7>] device_move+0x49/0xd7
>  [<f930048e>] rfcomm_tty_close+0x23/0x76 [rfcomm]
>  [<c021202d>] release_dev+0x1df/0x5d4
>  [<c01048fb>] do_notify_resume+0x4e3/0x5da
>  [<c0212431>] tty_release+0xf/0x18
>  [<c01695ef>] __fput+0xac/0x162
>  [<c016718d>] filp_close+0x51/0x58
>  [<c0168136>] sys_close+0x6e/0xa5
>  [<c0104d14>] sysenter_past_esp+0x5d/0x89
>  =======================
> Code: 40 30 eb 0b a1 84 27 3e c0 8b 40 14 8b 40 38 85 d2 89 44 24 08 74 05
> 8b 72 30 eb 0b a1 84 27 3e c0 8b 40 14 8b 70 38 8b 7c 24 08 <8b> 47 0c 31
> ff 3b 46 0c 0f 84 c1 00 00 00 8b 54 24 08 8b 42 0c EIP: [<c01a0dce>]
> sysfs_move_dir+0x3e/0x117 SS:ESP 0068:c6573e48
> NET: Unregistered protocol family 15
> BUG: unable to handle kernel NULL pointer dereference at virtual address
> 0000000c printing eip:
> c01a0dce
> *pde = 00000000
> Oops: 0000 [#2]
> SMP
> last sysfs file: devices/system/cpu/cpu0/cpufreq/scaling_cur_freq
> Modules linked in: ppp_deflate bsd_comp ppp_async crc_ccitt rfcomm hidp
> l2cap hci_usb button r8169 pcmcia firmware_class yenta_socket
> rsrc_nonstatic pcmcia_core uhci_hcd ehci_hcd kqemu nfs lockd nfs_acl sunrpc
> nls_iso8859_1 nls_cp437 vfat fat usb_storage xfrm4_mode_tunnel deflate
> zlib_deflate camellia serpent blowfish xcbc crypto_null tunnel4 ipcomp esp4
> ah4 aes des md5 sha1 sha256 autofs4 michael_mic arc4 ecb
> ieee80211_crypt_tkip bluetooth i915 drm ppp_generic slhc af_packet ipv6
> snd_pcm_oss snd_mixer_oss snd_seq snd_seq_device cpufreq_conservative
> cpufreq_ondemand cpufreq_userspace cpufreq_powersave acpi_cpufreq
> speedstep_lib freq_table bay dock pcc_acpi battery ac apparmor cbc
> blkcipher twofish twofish_common usbhid hid ff_memless ohci_hcd dm_crypt
> ext2 loop dm_mod fuse generic rtc_cmos piix ieee80211 ieee80211_crypt
> rtc_core rtc_lib ide_core ohci1394 ieee1394 snd_intel8x0 snd_ac97_codec
> ac97_bus snd_pcm snd_timer snd soundcore iTCO_wdt iTCO_vendor_support
> snd_page_alloc i 2c_i801 i2c_core usbcore joydev shpchp pci_hotplug
> intel_agp agpgart parport_pc lp parport ext3 mbcache jbd sr_mod cdrom sg
> edd fan ata_piix libata thermal processor sd_mod scsi_mod CPU:    0
> EIP:    0060:[<c01a0dce>]    Tainted: G      N VLI
> EFLAGS: 00010282   (2.6.21-2-default #1)
> EIP is at sysfs_move_dir+0x3e/0x117
> eax: 00000000   ebx: dfcda3c0   ecx: dde11e4c   edx: d05cc508
> esi: d338f7c8   edi: 00000000   ebp: d05cc508   esp: dde11e20
> ds: 007b   es: 007b   fs: 00d8  gs: 0033  ss: 0068
> Process pppd (pid: 32701, ti=dde10000 task=f7be9a90 task.ti=dde10000)
> Stack: c0300758 e54ff878 00000000 fffffff4 dfcda3c0 e54ff878 fffffff4
> d05cc508 c01c4481 dff35240 c030074a dfcda3c0 dff35240 dff35240 00000000
> d05cc490 e54ff800 d05cc490 d05cc508 c02291a7 e54ff878 d35a6c00 d05cc400
> f1e3ddc0 Call Trace:
>  [<c01c4481>] kobject_move+0xad/0xf8
>  [<c02291a7>] device_move+0x49/0xd7
>  [<f9300c68>] rfcomm_tty_open+0x1a8/0x1b4 [rfcomm]
>  [<c011c58d>] default_wake_function+0x0/0xc
>  [<c0213469>] tty_open+0x170/0x2be
>  [<c016ae6c>] chrdev_open+0x120/0x13b
>  [<c016ad4c>] chrdev_open+0x0/0x13b
>  [<c016730d>] __dentry_open+0xc3/0x17a
>  [<c016743e>] nameidata_to_filp+0x24/0x33
>  [<c0167484>] do_filp_open+0x37/0x3e
>  [<c01c3b5a>] _atomic_dec_and_lock+0x2a/0x44
>  [<c01671e4>] get_unused_fd+0x50/0xb6
>  [<c01674d1>] do_sys_open+0x46/0xc8
>  [<c016758c>] sys_open+0x1c/0x1e
>  [<c0104d14>] sysenter_past_esp+0x5d/0x89
>  [<c02a0000>] ip_mroute_setsockopt+0x4ea/0x7cf
>  =======================
> Code: 40 30 eb 0b a1 84 27 3e c0 8b 40 14 8b 40 38 85 d2 89 44 24 08 74 05
> 8b 72 30 eb 0b a1 84 27 3e c0 8b 40 14 8b 70 38 8b 7c 24 08 <8b> 47 0c 31
> ff 3b 46 0c 0f 84 c1 00 00 00 8b 54 24 08 8b 42 0c EIP: [<c01a0dce>]
> sysfs_move_dir+0x3e/0x117 SS:ESP 0068:dde11e20
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