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    SubjectRe: [Bug #10825] appletouch after wakeup
    Date
    Am Montag, 2. Juni 2008 01:09:00 schrieb Justin Mattock:
    > On Sun, Jun 1, 2008 at 7:37 PM, Justin Mattock <justinmattock@gmail.com> wrote:
    > > On Sun, Jun 1, 2008 at 6:29 PM, Oliver Neukum <oliver@neukum.org> wrote:

    > >> Please also apply the patch from the following link:
    > >> https://bugzilla.novell.com/attachment.cgi?id=213908

    > O.K. sorry for the slow response, "I feel asleep", anyways I applied
    > the patch and for some reason received a failed
    > with it, So after going in and manually putting the threads in, the
    > kernel compiled fine,
    > then performing a suspend I did not receive this message from
    > appletouch. although I did receive:

    This comes from the bluetooth layer. I cannot see any connection
    and suspect coincidence. Marcel?

    > [ 232.270737] BUG: unable to handle kernel paging request at 6b6b6c6b
    > [ 232.270743] IP: [<c013f96d>] module_put+0x12/0x2b
    > [ 232.270750] *pde = 00000000
    > [ 232.270753] Oops: 0002 [#1] SMP
    > [ 232.270757] Modules linked in: hci_usb cpufreq_ondemand
    > cpufreq_performance cpufreq_powersave rfcomm hidp l2cap bluetooth fan
    > ipmi_watchdog ipmi_msghandler uinput wlan_tkip ieee80211_crypt_tkip
    > ieee80211_crypt arpt_mangle arptable_filter arp_tables
    > nf_conntrack_ipv4 nf_conntrack iptable_mangle iptable_filter ip_tables
    > x_tables intelfb i2c_i810 i2c_algo_bit coretemp eeprom acpi_cpufreq
    > fglrx(P) applesmc joydev uvcvideo appletouch wlan_scan_sta
    > ath_rate_sample firewire_ohci firewire_core snd_hda_intel ath_pci
    > snd_pcm wlan ohci1394 intel_agp evdev ath_hal(P) snd_timer ieee1394
    > pata_acpi thermal ehci_hcd uhci_hcd snd_page_alloc snd_hwdep agpgart
    > video button processor
    > [ 232.270800]
    > [ 232.270802] Pid: 2690, comm: btdelconn Tainted: P
    > (2.6.26-rc4-00033-g5463508 #4)
    > [ 232.270805] EIP: 0060:[<c013f96d>] EFLAGS: 00010246 CPU: 0
    > [ 232.270808] EIP is at module_put+0x12/0x2b
    > [ 232.270810] EAX: 00000000 EBX: 00000000 ECX: c020f49b EDX: 6b6b6b6b
    > [ 232.270812] ESI: f4858830 EDI: f572aab8 EBP: f4893f78 ESP: f4893f78
    > [ 232.270815] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
    > [ 232.270817] Process btdelconn (pid: 2690, ti=f4892000 task=f7fe6220
    > task.ti=f4892000)
    > [ 232.270819] Stack: f4893f8c f8bcb705 f572aaac f5b8bcb0 f572aaa8
    > f4893fa8 c012f90d f5b8bcc0
    > [ 232.270826] f8bcb6a6 f5b8bcb0 f4893fb0 f5b8bcc8 f4893fd0
    > c0130119 00000000 f7fe6220
    > [ 232.270832] c01324cd f4893fbc f4893fbc f5b8bcb0 c0130063
    > 00000000 f4893fe0 c013240d
    > [ 232.270838] Call Trace:
    > [ 232.270842] [<f8bcb705>] ? del_conn+0x5f/0x64 [bluetooth]
    > [ 232.270854] [<c012f90d>] ? run_workqueue+0x78/0xfb
    > [ 232.270859] [<f8bcb6a6>] ? del_conn+0x0/0x64 [bluetooth]
    > [ 232.270869] [<c0130119>] ? worker_thread+0xb6/0xc2
    > [ 232.270873] [<c01324cd>] ? autoremove_wake_function+0x0/0x30
    > [ 232.270878] [<c0130063>] ? worker_thread+0x0/0xc2
    > [ 232.270882] [<c013240d>] ? kthread+0x3b/0x62
    > [ 232.270885] [<c01323d2>] ? kthread+0x0/0x62
    > [ 232.270889] [<c01044ef>] ? kernel_thread_helper+0x7/0x10
    > [ 232.270896] =======================
    > [ 232.270897] Code: 84 00 00 00 e8 45 fa 0c 00 89 f8 e8 3e fa 0c 00
    > 5a 89 f0 59 5b 5e 5f 5d c3 55 85 c0 89 e5 89 c2 74 20 64 a1 04 d0 50
    > c0 c1 e0 06 <ff> 8c 02 00 01 00 00 83 3a 02 75 0b 8b 82 88 01 00 00 e8
    > 00 a6
    > [ 232.270932] EIP: [<c013f96d>] module_put+0x12/0x2b SS:ESP 0068:f4893f78
    > [ 232.270937] ---[ end trace c436afcb6083d3a0 ]---
    > [ 232.297190] =============================================================================
    > [ 232.297190] BUG kmalloc-2048: Poison overwritten
    > [ 232.297190] -----------------------------------------------------------------------------
    > [ 232.297190]
    > [ 232.297190] INFO: 0xf4858848-0xf4858848. First byte 0x6a instead of 0x6b
    > [ 232.297190] INFO: Allocated in hci_alloc_dev+0x15/0x51 [bluetooth]
    > age=19928 cpu=0 pid=2815
    > [ 232.297190] INFO: Freed in bt_release+0xe/0x10 [bluetooth] age=1
    > cpu=0 pid=2690
    > [ 232.297190] INFO: Slab 0xc1690b00 objects=15 used=12 fp=0xf4858830
    > flags=0x400020c3
    > [ 232.297190] INFO: Object 0xf4858830 @offset=2096 fp=0xf485b950
    > [ 232.297190]
    > [ 232.297190] Bytes b4 0xf4858820: 10 0a 00 00 40 93 ff ff 5a 5a 5a
    > 5a 5a 5a 5a 5a ....@.ÿÿZZZZZZZZ
    > [ 232.297190] Object 0xf4858830: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
    > 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
    > [ 232.297190] Object 0xf4858840: 6b 6b 6b 6b 6b 6b 6b 6b 6a 6b 6b
    > 6b 6b 6b 6b 6b kkkkkkkkjkkkkkkk
    > [ 232.297190] Object 0xf4858850: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
    > 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
    > [ 232.297190] Object 0xf4858860: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
    > 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
    > [ 232.297190] Object 0xf4858870: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
    > 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
    > [ 232.297190] Object 0xf4858880: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
    > 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
    > [ 232.297190] Object 0xf4858890: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
    > 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
    > [ 232.297190] Object 0xf48588a0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
    > 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
    > [ 232.297190] Redzone 0xf4859030: bb bb bb bb
    > »»»»
    > [ 232.297190] Padding 0xf4859058: 5a 5a 5a 5a 5a 5a 5a 5a
    > ZZZZZZZZ
    > [ 232.297190] Pid: 1390, comm: knodemgrd_0 Tainted: P D
    > 2.6.26-rc4-00033-g5463508 #4
    > [ 232.297190] [<c016d1ab>] print_trailer+0xc8/0xd0
    > [ 232.297190] [<c016d226>] check_bytes_and_report+0x73/0x8f
    > [ 232.297190] [<c016d497>] check_object+0xa4/0x18c
    > [ 232.297190] [<c016e051>] __slab_alloc+0x387/0x45f
    > [ 232.297190] [<c016f08d>] __kmalloc+0x85/0xdb
    > [ 232.297190] [<f8ae935b>] ? hpsb_alloc_packet+0x17/0x51 [ieee1394]
    > [ 232.297190] [<c016d1d4>] ? check_bytes_and_report+0x21/0x8f
    > [ 232.297190] [<f8ae935b>] hpsb_alloc_packet+0x17/0x51 [ieee1394]
    > [ 232.297190] [<f8ae93ac>] create_reply_packet+0x17/0x77 [ieee1394]
    > [ 232.297190] [<f8ae97c6>] hpsb_packet_received+0x3ba/0x5db [ieee1394]
    > [ 232.297190] [<c016e089>] ? __slab_alloc+0x3bf/0x45f
    > [ 232.297190] [<f8ae9b29>] hpsb_send_packet+0x142/0x192 [ieee1394]
    > [ 232.297190] [<f8ae9bc3>] hpsb_send_packet_and_wait+0x31/0x47 [ieee1394]
    > [ 232.297190] [<f8aeac66>] hpsb_read+0x5d/0xb3 [ieee1394]
    > [ 232.297190] [<f8aed865>] nodemgr_bus_read+0x40/0x149 [ieee1394]
    > [ 232.297190] [<f8af0382>] csr1212_read_keyval+0x2c0/0x3be [ieee1394]
    > [ 232.297190] [<f8af0655>] csr1212_parse_csr+0x1d5/0x211 [ieee1394]
    > [ 232.297190] [<f8aee756>] nodemgr_host_thread+0x343/0x7b9 [ieee1394]
    > [ 232.297190] [<f8aee413>] ? nodemgr_host_thread+0x0/0x7b9 [ieee1394]
    > [ 232.297190] [<c013240d>] kthread+0x3b/0x62
    > [ 232.297190] [<c01323d2>] ? kthread+0x0/0x62
    > [ 232.297190] [<c01044ef>] kernel_thread_helper+0x7/0x10
    > [ 232.297190] =======================
    > [ 232.297190] FIX kmalloc-2048: Restoring 0xf4858848-0xf4858848=0x6b
    > [ 232.297190]
    > [ 232.297190] FIX kmalloc-2048: Marking all objects used
    >
    > This was after the second simultaneous suspend, then after this five
    > more simultaneous suspends without this error,
    > but am not hearing anything out of appletouch.
    > Thank you for the help, and the patch.

    Is this a statistically significant number of tests? How often did you see
    the appletouch problem? Can we consider this regression to be fixed by
    this patch?

    Regards
    Oliver



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