[oops] in bluetooth

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[Please Cc replies to me, I'll try and keep an eye on the acrhives, but
no guarantees]

Hi,

Just a follow-up to Marcel regarding Pavel's bluetooth oops.  I've had
the same issue with both 2.6.21 and 2.6.21.2 (skipped .1).  I'm able to
reproduce the oops.

My scenario is connecting from a Treo650 via bluetooth to access the
Internet by my ADSL link.

The first connection after booting worked just fine, but every attempt
after that failed with a oops.

Changing to 2.6.22-rc3 as suggested by Marcel however works just fine.

Here is an except from kern.log for the failure with the 2.6.21.2
kernel:

May 26 13:01:32 chimaera kernel: BUG: unable to handle kernel NULL
pointer dereference at virtual address 00000008
May 26 13:01:32 chimaera kernel:  printing eip:
May 26 13:01:32 chimaera kernel: c01892e4
May 26 13:01:32 chimaera kernel: *pde = 00000000
May 26 13:01:32 chimaera kernel: Oops: 0000 [#1]
May 26 13:01:32 chimaera kernel: Modules linked in: ppp_deflate bsd_comp
ppp_async crc_ccitt ppp_generic slhc lirc_serial lirc_de
v rfcomm l2cap nfsd exportfs thermal fan button processor ac ip6t_LOG
nf_conntrack_ipv6 xt_limit ip6table_filter ip6_tables sit t
unnel4 tun bitrev crc32 ipt_MASQUERADE ipt_REJECT xt_multiport
ipt_recent xt_state xt_mark xt_MARK ipt_LOG xt_tcpudp iptable_mang
le iptable_filter iptable_nat ip_tables nf_nat nf_conntrack_ipv4
nf_conntrack nfnetlink x_tables nfs lockd nfs_acl sunrpc ipv6 pa
rport_pc parport e100 3c59x mii hci_usb bluetooth uhci_hcd usbcore
deflate zlib_deflate zlib_inflate twofish twofish_common serpe
nt aes blowfish des cbc ecb blkcipher sha256 sha1 md5 af_key
snd_intel8x0 snd_ac97_codec ac97_bus snd_pcm_oss snd_mixer_oss snd_p
cm snd_timer snd soundcore snd_page_alloc hostap_pci hostap
ieee80211_crypt
May 26 13:01:32 chimaera kernel: CPU:    0
May 26 13:01:32 chimaera kernel: EIP:    0060:[<c01892e4>]    Not
tainted VLI
May 26 13:01:32 chimaera kernel: EFLAGS: 00010286   (2.6.21.2-chimaera
#1)
May 26 13:01:32 chimaera kernel: EIP is at sysfs_move_dir+0x24/0x130
May 26 13:01:32 chimaera kernel: eax: ccfd72f0   ebx: 00000000   ecx:
00000000   edx: d7e7f760
May 26 13:01:32 chimaera kernel: esi: d7e95dac   edi: c03073fb   ebp:
d7e7f760   esp: c9f95e70
May 26 13:01:32 chimaera kernel: ds: 007b   es: 007b   fs: 00d8  gs:
0033  ss: 0068
May 26 13:01:32 chimaera kernel: Process pppd (pid: 9595, ti=c9f94000
task=c1368590 task.ti=c9f94000)
May 26 13:01:32 chimaera kernel: Stack: c0307409 c37e4e68 c37e4e68
c03073fb cce0ca60 c37e4e68 c03073fb d7e7f760 
May 26 13:01:32 chimaera kernel:        c01c22f4 d5d309c0 c03073fb
cce0ca60 d5d309c0 d5d309c0 00000000 c37e4e00 
May 26 13:01:32 chimaera kernel:        00000000 d6ae60f0 d7e7f760
c02240f1 c37e4e68 d49580a0 c5a0b800 d6ae60f0 
May 26 13:01:32 chimaera kernel: Call Trace:
May 26 13:01:32 chimaera kernel:  [<c01c22f4>] kobject_move+0xa4/0x130
May 26 13:01:32 chimaera kernel:  [<c02240f1>] device_move+0x51/0x110
May 26 13:01:32 chimaera kernel:  [<d8ac4f11>] rfcomm_tty_close
+0x51/0x80 [rfcomm]
May 26 13:01:32 chimaera kernel:  [<c020d8c6>] release_dev+0x146/0x620
May 26 13:01:32 chimaera kernel:  [<c01022e8>] do_notify_resume
+0x438/0x6e0
May 26 13:01:32 chimaera kernel:  [<c01c4248>] rb_insert_color+0x68/0xc0
May 26 13:01:32 chimaera kernel:  [<c012940d>] ktime_get_ts+0x1d/0x50
May 26 13:01:32 chimaera kernel:  [<c01292a9>] hrtimer_nanosleep
+0xa9/0x100
May 26 13:01:32 chimaera kernel:  [<c020dda7>] tty_release+0x7/0x10
May 26 13:01:32 chimaera kernel:  [<c01533e1>] __fput+0x91/0x160
May 26 13:01:32 chimaera kernel:  [<c01509b7>] filp_close+0x47/0x80
May 26 13:01:32 chimaera kernel:  [<c0151cfa>] sys_close+0x6a/0xa0
May 26 13:01:32 chimaera kernel:  [<c0102878>] syscall_call+0x7/0xb
May 26 13:01:32 chimaera kernel:  =======================
May 26 13:01:33 chimaera kernel: Code: 8d bc 27 00 00 00 00 55 57 56 53
83 ec 10 89 44 24 04 8b 40 24 85 c0 0f 84 ea 00 00 00 85 
d2 8b 58 30 0f 84 f2 00 00 00 8b 72 30 <8b> 43 08 31 ff 3b 46 08 75 10
e9 c3 00 00 00 8b 43 08 83 c0 68 
May 26 13:01:33 chimaera kernel: EIP: [<c01892e4>] sysfs_move_dir
+0x24/0x130 SS:ESP 0068:c9f95e70

Cheers!

-- 
Andrew Ruthven, Wellington, New Zealand
At work: [email protected]
At home: [email protected]
GPG fpr: 34CA 12A3 C6F8 B156 72C2  D0D7 D286 CE0C 0C62 B791

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