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SubjectRe: Endless print of uhci_result_common: failed with status 440000
From
2011/4/11 Zdenek Kabelac <zdenek.kabelac@gmail.com>:
> 2011/4/8 Alan Stern <stern@rowland.harvard.edu>:
>> On Fri, 8 Apr 2011, Zdenek Kabelac wrote:
>>
>>> Most probably because I've run  in the loop
>>>
>>> while : ; do pm-suspend ; sleep 5; done
>>>
>>> for debug purposes...
>>>
>>>
>>> >> [   53.851937] btusb_intr_complete: hci0 urb ffff88011735c300 failed
>>> >> to resubmit (19)
>>> >> [   53.855223] btusb_bulk_complete: hci0 urb ffff88011735c540 failed
>>> >> to resubmit (19)
>>> >> [   53.867211] btusb_bulk_complete: hci0 urb ffff88011735c9c0 failed
>>> >> to resubmit (19)
>>> >> [   53.875279] btusb_send_frame: hci0 urb ffff880117204d80 submission failed
>>> >> [   54.127633] systemd[1]: Service bluetooth.target is not needed
>>> >> anymore. Stopping.
>>> >> [   54.205292] PM: Syncing filesystems ... done.
>>> >> [   54.216056] PM: Preparing system for mem sleep
>>> >>
>>> >> And system was 'dead' - (Moon sign on laptop was already blinking at
>>> >> this moment)
>>> >
>>> > Why did the system suspend like this?  A software undock shouldn't
>>> > cause a suspend.
>>>
>>> pm-suspend - with  script executed on suspend which undocks laptop
>>> (otherwise when I'd forget to press button on docking station before
>>> suspend - it would stay 'red' mode - thus all buses are connected -
>>> and as I've noticed in past - it's not working well, when I unplug
>>> laptop in this 'still connected'  mode - so this software 'undock'
>>> solved this problem)
>>
>> All right.  It looks like there are two possible sources of problems
>> here: the undock and the suspend.  It would be best to debug them
>> separately.
>>
>> For example, if you change the loop above to just do the undock and
>> redock without suspending, do the problems still occur?
>>
>> Another thing to try: Suspend by doing "echo ram >/sys/power/state"
>> instead of running pm_suspend.
>
> hmm - using   "echo mem >/sys/power/state" revealed probably
> completely new problem - unsure how this is related to this USB
> problem - but it leaves the machine in completely 'frozen' picture on
> desktop after resume.
>
> So here is cut&paste captured on serial console:
> (Kernel without USB_DEBUG - bluetooth enabled)
>
>

> [   92.222524] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 00 00
> [   92.234736] [drm:intel_sdvo_detect], SDVO response 0 0 [1]
> [   92.240592] [drm:drm_helper_probe_single_connector_modes],
> [CONNECTOR:15:DVI-D-1] disconnected
> [   92.516709] BUG: unable to handle kernel NULL pointer dereference
> at           (null)
> [   92.520001] IP: [<          (null)>]           (null)
> [   92.520001] PGD 0
> [   92.520001] Oops: 0010 [#1] PREEMPT SMP
> [   92.520001] last sysfs file:
> /sys/devices/LNXSYSTM:00/device:00/PNP0A08:00/device:01/PNP0C09:00/PNP0C0A:00/power_supply/BAT0/voltage_now
> [   92.520001] CPU 0


Ok - add some more memory debug:

[ 13.347268] usb 1-1: USB disconnect, device number 3
[ 13.348113] btusb_bulk_complete: hci0 urb ffff8801367f6528 failed
to resubmit (19)
[ 13.349111] btusb_intr_complete: hci0 urb ffff8801367f6840 failed
to resubmit (19)
[ 13.349143] btusb_bulk_complete: hci0 urb ffff8801367fa630 failed
to resubmit (19)
[ 13.409856] general protection fault: 0000 [#1] PREEMPT SMP
[ 13.413340] last sysfs file:
/sys/devices/pci0000:00/0000:00:19.0/net/eth0/uevent
[ 13.413340] CPU 0
[ 13.413340] Modules linked in: ipt_REJECT xt_physdev xt_state
iptable_filter ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4
nf_conntrack nf_defrag_ipv4 ip_tables x_tables dm_mirror
dm_region_hash dm_log dm_mod snd_hda_codec_analog btusb bluetooth
virtio_net kvm_intel kvm arc4 ecb crypto_blkcipher cryptomgr aead
crypto_algapi iwl3945 iwl_legacy snd_hda_intel snd_hda_codec usbhid
snd_seq snd_seq_device mac80211 hid iTCO_wdt iTCO_vendor_support
snd_pcm psmouse i2c_i801 serio_raw cfg80211 thinkpad_acpi snd_timer
snd e1000e soundcore snd_page_alloc nvram wmi evdev i915
drm_kms_helper drm i2c_algo_bit i2c_core uinput autofs4 pcmcia
uhci_hcd ehci_hcd sdhci_pci sdhci sr_mod mmc_core yenta_socket cdrom
usbcore video backlight [last unloaded: scsi_wait_scan]
[ 13.413340]
[ 13.413340] Pid: 815, comm: bluetoothd Not tainted
2.6.39-rc2-00144-gca71856 #121 LENOVO 6464CTO/6464CTO
[ 13.413340] RIP: 0010:[<ffffffff8109ae43>] [<ffffffff8109ae43>]
module_put+0x33/0x1b0
[ 13.413340] RSP: 0018:ffff8801389e1d68 EFLAGS: 00010296
[ 13.413340] RAX: ffffffffa04a32a6 RBX: 6b6b6b6b6b6b6b6b RCX: 0000000000000000
[ 13.413340] RDX: 0000000000000000 RSI: ffffffffa04a32a6 RDI: ffffffff8109ae43
[ 13.413340] RBP: ffff8801389e1d98 R08: 0000000000000000 R09: 0000000000000000
[ 13.413340] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88013b028590
[ 13.413340] R13: 00000000ffffffed R14: ffff8801390ac7b0 R15: 000000000000000a
[ 13.413340] FS: 00007fe99d67d720(0000) GS:ffff88013ba00000(0000)
knlGS:0000000000000000
[ 13.413340] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 13.413340] CR2: 00007fe99d4902b0 CR3: 0000000134dea000 CR4: 00000000000006f0
[ 13.413340] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 13.413340] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 13.413340] Process bluetoothd (pid: 815, threadinfo
ffff8801389e0000, task ffff8801387d23a0)
[ 13.413340] Stack:
[ 13.413340] ffff88013b028000 ffff88013b028000 ffff88013b028590
00000000ffffffed
[ 13.413340] ffff8801390ac7b0 000000000000000a ffff8801389e1de8
ffffffffa04a32a6
[ 13.413340] ffff8801389e1db8 ffffffff8124f11a ffff8801389e1dd8
00000000400448c9
[ 13.413340] Call Trace:
[ 13.413340] [<ffffffffa04a32a6>] hci_dev_open+0x96/0x3f0 [bluetooth]
[ 13.413340] [<ffffffff8124f11a>] ? security_capable+0x2a/0x30
[ 13.413340] [<ffffffffa04b0172>] hci_sock_ioctl+0x1e2/0x4b0 [bluetooth]
[ 13.413340] [<ffffffff8107c0a3>] ? up_read+0x23/0x40
[ 13.413340] [<ffffffff813ca9c1>] sock_do_ioctl.constprop.17+0x21/0x60
[ 13.413340] [<ffffffff813caa62>] sock_ioctl+0x62/0x2d0
[ 13.413340] [<ffffffff8115f268>] do_vfs_ioctl+0x98/0x570
[ 13.413340] [<ffffffff8114d901>] ? fget_light+0x3c1/0x430
[ 13.413340] [<ffffffff8149ac1c>] ? sysret_check+0x27/0x62
[ 13.413340] [<ffffffff8115f7d1>] sys_ioctl+0x91/0xa0
[ 13.413340] [<ffffffff8149abeb>] system_call_fastpath+0x16/0x1b
[ 13.413340] Code: 48 89 5d d8 4c 89 65 e0 4c 89 6d e8 4c 89 75 f0
4c 89 7d f8 0f 1f 44 00 00 48 85 ff 48 89 fb 74 49 bf 01 00 00 00 e8
dd be 3f 00
[ 13.413340] 8b 83 40 02 00 00 65 ff 40 04 4c 8b 6d 08 0f 1f 44 00 00 83
[ 13.413340] RIP [<ffffffff8109ae43>] module_put+0x33/0x1b0
[ 13.413340] RSP <ffff8801389e1d68>
[ 13.414647] ---[ end trace 061b48d6d00e7105 ]---
[ 13.414651] note: bluetoothd[815] exited with preempt_count 1
[ 13.414654] BUG: sleeping function called from invalid context at
kernel/rwsem.c:21
[ 13.414657] in_atomic(): 1, irqs_disabled(): 0, pid: 815, name: bluetoothd
[ 13.414658] INFO: lockdep is turned off.
[ 13.414661] Pid: 815, comm: bluetoothd Tainted: G D
2.6.39-rc2-00144-gca71856 #121
[ 13.414663] Call Trace:
[ 13.414667] [<ffffffff81037ce7>] __might_sleep+0xf7/0x120
[ 13.414672] [<ffffffff81491eb6>] down_read+0x26/0x93
[ 13.414677] [<ffffffff810a6abb>] acct_collect+0x4b/0x1b0
[ 13.414683] [<ffffffff81054ba2>] do_exit+0x632/0x8e0
[ 13.414686] [<ffffffff81051ec9>] ? kmsg_dump+0x79/0x170
[ 13.414690] [<ffffffff81494b02>] oops_end+0xa2/0xf0
[ 13.414694] [<ffffffff81005ca8>] die+0x58/0x90
[ 13.414697] [<ffffffff81494462>] do_general_protection+0x162/0x170
[ 13.414701] [<ffffffff81493bf4>] ? restore_args+0x30/0x30
[ 13.414704] [<ffffffff81493daf>] general_protection+0x1f/0x30
[ 13.414711] [<ffffffffa04a32a6>] ? hci_dev_open+0x96/0x3f0 [bluetooth]
[ 13.414717] [<ffffffffa04a32a6>] ? hci_dev_open+0x96/0x3f0 [bluetooth]
[ 13.414721] [<ffffffff8109ae43>] ? module_put+0x33/0x1b0
[ 13.414723] [<ffffffff8109ae43>] ? module_put+0x33/0x1b0
[ 13.414726] [<ffffffff8109ae43>] ? module_put+0x33/0x1b0
[ 13.414732] [<ffffffffa04a32a6>] hci_dev_open+0x96/0x3f0 [bluetooth]
[ 13.414735] [<ffffffff8124f11a>] ? security_capable+0x2a/0x30
[ 13.414742] [<ffffffffa04b0172>] hci_sock_ioctl+0x1e2/0x4b0 [bluetooth]
[ 13.414746] [<ffffffff8107c0a3>] ? up_read+0x23/0x40
[ 13.414749] [<ffffffff813ca9c1>] sock_do_ioctl.constprop.17+0x21/0x60
[ 13.414752] [<ffffffff813caa62>] sock_ioctl+0x62/0x2d0
[ 13.414755] [<ffffffff8115f268>] do_vfs_ioctl+0x98/0x570
[ 13.414759] [<ffffffff8114d901>] ? fget_light+0x3c1/0x430
[ 13.414762] [<ffffffff8149ac1c>] ? sysret_check+0x27/0x62
[ 13.414765] [<ffffffff8115f7d1>] sys_ioctl+0x91/0xa0
[ 13.414768] [<ffffffff8149abeb>] system_call_fastpath+0x16/0x1b
[ 13.414789] BUG: scheduling while atomic: bluetoothd/815/0x10000002
[ 13.414791] INFO: lockdep is turned off.
[ 13.414792] Modules linked in: ipt_REJECT xt_physdev xt_state
iptable_filter ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4
nf_conntrack nf_defrag_ipv4 ip_tables x_tables dm_mirror
dm_region_hash dm_log dm_mod snd_hda_codec_analog btusb bluetooth
virtio_net kvm_intel kvm arc4 ecb crypto_blkcipher cryptomgr aead
crypto_algapi iwl3945 iwl_legacy snd_hda_intel snd_hda_codec usbhid
snd_seq snd_seq_device mac80211 hid iTCO_wdt iTCO_vendor_support
snd_pcm psmouse i2c_i801 serio_raw cfg80211 thinkpad_acpi snd_timer
snd e1000e soundcore snd_page_alloc nvram wmi evdev i915
drm_kms_helper drm i2c_algo_bit i2c_core uinput autofs4 pcmcia
uhci_hcd ehci_hcd sdhci_pci sdhci sr_mod mmc_core yenta_socket cdrom
usbcore video backlight [last unloaded: scsi_wait_scan]
[ 13.414835] Pid: 815, comm: bluetoothd Tainted: G D
2.6.39-rc2-00144-gca71856 #121
[ 13.414837] Call Trace:
[ 13.414841] [<ffffffff8148775f>] __schedule_bug+0x72/0x77
[ 13.414844] [<ffffffff8148fe7d>] schedule+0xcbd/0xce0
[ 13.414848] [<ffffffff8111e51b>] ? unmap_vmas+0x3bb/0xa80
[ 13.414852] [<ffffffff81048328>] __cond_resched+0x18/0x30
[ 13.414855] [<ffffffff814901c5>] _cond_resched+0x35/0x40
[ 13.414858] [<ffffffff8111e973>] unmap_vmas+0x813/0xa80
[ 13.414862] [<ffffffff81493595>] ? _raw_spin_unlock_irqrestore+0x65/0x80
[ 13.414867] [<ffffffff811266bd>] exit_mmap+0xed/0x1c0
[ 13.414870] [<ffffffff8104caf3>] mmput+0x73/0x110
[ 13.414873] [<ffffffff81052550>] exit_mm+0x120/0x150
[ 13.414877] [<ffffffff8149360b>] ? _raw_spin_unlock_irq+0x5b/0x60
[ 13.414880] [<ffffffff810546c6>] do_exit+0x156/0x8e0
[ 13.414883] [<ffffffff81051ec9>] ? kmsg_dump+0x79/0x170
[ 13.414886] [<ffffffff81494b02>] oops_end+0xa2/0xf0
[ 13.414889] [<ffffffff81005ca8>] die+0x58/0x90
[ 13.414892] [<ffffffff81494462>] do_general_protection+0x162/0x170
[ 13.414895] [<ffffffff81493bf4>] ? restore_args+0x30/0x30
[ 13.414899] [<ffffffff81493daf>] general_protection+0x1f/0x30
[ 13.414906] [<ffffffffa04a32a6>] ? hci_dev_open+0x96/0x3f0 [bluetooth]
[ 13.414912] [<ffffffffa04a32a6>] ? hci_dev_open+0x96/0x3f0 [bluetooth]
[ 13.414915] [<ffffffff8109ae43>] ? module_put+0x33/0x1b0
[ 13.414918] [<ffffffff8109ae43>] ? module_put+0x33/0x1b0
[ 13.414920] [<ffffffff8109ae43>] ? module_put+0x33/0x1b0
[ 13.414927] [<ffffffffa04a32a6>] hci_dev_open+0x96/0x3f0 [bluetooth]
[ 13.414930] [<ffffffff8124f11a>] ? security_capable+0x2a/0x30
[ 13.414936] [<ffffffffa04b0172>] hci_sock_ioctl+0x1e2/0x4b0 [bluetooth]
[ 13.414940] [<ffffffff8107c0a3>] ? up_read+0x23/0x40
[ 13.414943] [<ffffffff813ca9c1>] sock_do_ioctl.constprop.17+0x21/0x60
[ 13.414947] [<ffffffff813caa62>] sock_ioctl+0x62/0x2d0
[ 13.414950] [<ffffffff8115f268>] do_vfs_ioctl+0x98/0x570
[ 13.414953] [<ffffffff8114d901>] ? fget_light+0x3c1/0x430
[ 13.414957] [<ffffffff8149ac1c>] ? sysret_check+0x27/0x62
[ 13.414960] [<ffffffff8115f7d1>] sys_ioctl+0x91/0xa0
[ 13.414963] [<ffffffff8149abeb>] system_call_fastpath+0x16/0x1b
[ 14.411762] =============================================================================
[ 14.411765] BUG kmalloc-4096: Poison overwritten
[ 14.411767] -----------------------------------------------------------------------------
[ 14.411768]
[ 14.411771] INFO: 0xffff88013b028058-0xffff88013b028058. First byte
0x6a instead of 0x6b
[ 14.411785] INFO: Allocated in hci_alloc_dev+0x30/0x90 [bluetooth]
age=1314 cpu=1 pid=565
[ 14.411793] INFO: Freed in bt_host_release+0x16/0x20 [bluetooth]
age=305 cpu=0 pid=242
[ 14.411796] INFO: Slab 0xffffea00044e88c0 objects=7 used=6
fp=0xffff88013b028000 flags=0x80000000000040c1
[ 14.411799] INFO: Object 0xffff88013b028000 @offset=0 fp=0x (null)
[ 14.411801]
[ 14.411803] Object 0xffff88013b028000: 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 14.411814] Object 0xffff88013b028010: 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
.... skipped ....
[ 14.413340] Object 0xffff88013b028fc0: 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 14.413340] Object 0xffff88013b028fd0: 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 14.413340] Object 0xffff88013b028fe0: 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 14.413340] Object 0xffff88013b028ff0: 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b a5 kkkkkkkkkkkkkkk¥
[ 14.413340] Redzone 0xffff88013b029000: bb bb bb bb bb bb bb bb
»»»»»»»»
[ 14.413340] Padding 0xffff88013b029040: 5a 5a 5a 5a 5a 5a 5a 5a
ZZZZZZZZ
[ 14.413340] Pid: 842, comm: systemd-cgroups Tainted: G D
2.6.39-rc2-00144-gca71856 #121
[ 14.413340] Call Trace:
[ 14.413340] [<ffffffff8113d773>] print_trailer+0xf3/0x160
[ 14.413340] [<ffffffff8113d92d>] check_bytes_and_report+0xfd/0x140
[ 14.413340] [<ffffffff8113ea0a>] check_object+0x22a/0x270
[ 14.413340] [<ffffffff8116ff70>] ? seq_read+0x250/0x3f0
[ 14.413340] [<ffffffff8116ff70>] ? seq_read+0x250/0x3f0
[ 14.413340] [<ffffffff8148adab>] alloc_debug_processing+0x91/0x117
[ 14.413340] [<ffffffff8148b3e5>] __slab_alloc.constprop.25+0x2b1/0x2fe
[ 14.413340] [<ffffffff8116ff70>] ? seq_read+0x250/0x3f0
[ 14.413340] [<ffffffff8116fd5f>] ? seq_read+0x3f/0x3f0
[ 14.413340] [<ffffffff8116ff70>] ? seq_read+0x250/0x3f0
[ 14.413340] [<ffffffff8113ffc3>] kmem_cache_alloc_trace+0x243/0x250
[ 14.413340] [<ffffffff8116fd20>] ? seq_lseek+0x120/0x120
[ 14.413340] [<ffffffff8116ff70>] seq_read+0x250/0x3f0
[ 14.413340] [<ffffffff81496ce9>] ? sub_preempt_count+0xa9/0xe0
[ 14.413340] [<ffffffff8116fd20>] ? seq_lseek+0x120/0x120
[ 14.413340] [<ffffffff811a7dd3>] proc_reg_read+0x83/0xc0
[ 14.413340] [<ffffffff8114bb63>] vfs_read+0xb3/0x180
[ 14.413340] [<ffffffff8114bc7d>] sys_read+0x4d/0x90
[ 14.413340] [<ffffffff8149abeb>] system_call_fastpath+0x16/0x1b
[ 14.413340] FIX kmalloc-4096: Restoring
0xffff88013b028058-0xffff88013b028058=0x6b
[ 14.413340]
[ 14.413340] FIX kmalloc-4096: Marking all objects used


So - it looks like disabling BT in runtime is not enough to avoid problems ;)

So I've blacklisted bluetooth & btusb - and made quite several
suspend/resume cycles -
and without a single problem.

So I'll keep an eye on this - but so far complete deactivation of BT
either in BIOS or modules blacklisting solves the problem of weird
USB deadlocking.

Zdenek
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