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Date: Fri, 8 Apr 2011 00:01:17 +0200
From: Zdenek Kabelac <zdenek.kabelac@...il.com>
To: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Cc: Alan Stern <stern@...land.harvard.edu>
Subject: Endless print of uhci_result_common: failed with status 440000
Hi
While debugging resume problem with Intel HW I've been hitting problem
with endless print of usb 1.1 error message on my T61.
(See my other similar post
http://marc.info/?l=linux-kernel&m=130221292724436&w=2)
This time the problem is generated by Bluetooth device.
Often just only several messages are printed - and then machine
suspend - so the log usually contains only several such message - if
at all - however today with debugging and serial console logging -
I've seen several times - that suspend resulted in endless unbreakable
loop.
As a workaround - one could just disable BT device:
"echo disable >/proc/acpi/ibm/bluetooth"
Here is the log:
[ 0.000000] Linux version 2.6.39-rc2-00005-gf04d4dc (kabi@...ux)
(gcc version 4.6.0 20110331 (Red Hat 4.6.0-2) (GCC) ) #119 SMP PREEMPT
Wed Apr 6 15:27:55 CEST 2011
[ 0.000000] Command line: ro root=/dev/sda2 selinux=0 kmemleak=off
lockdep.prove_locking=0 lockdep.lock_stat=0 SYSFONT=latarcyrheb-sun16
LANG=cs_CZ.UTF-8 KEYTABLE=us systemd.log_level=info
systemd.log_target=kmsg systemd.sysv_console=true
console=ttyS0,115200n8 console=tty drm.debug=0xe
..
[ 63.850237] usb 2-1: new full speed USB device number 5 using uhci_hcd
[ 64.003946] usb 2-1: skipped 1 descriptor after interface
[ 64.015946] usb 2-1: default language 0x0409
[ 64.032516] usb 2-1: udev 5, busnum 2, minor = 132
[ 64.039699] usb 2-1: New USB device found, idVendor=0a5c, idProduct=2110
[ 64.048507] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 64.057788] usb 2-1: Product: BCM2045B
[ 64.063791] usb 2-1: Manufacturer: Broadcom Corp
[ 64.071394] usb 2-1: usb_probe_device
[ 64.077084] usb 2-1: configuration #1 chosen from 1 choice
[ 64.087013] usb 2-1: adding 2-1:1.0 (config #1, interface 0)
[ 64.094665] btusb 2-1:1.0: usb_probe_interface
[ 64.100942] btusb 2-1:1.0: usb_probe_interface - got id
[ 64.109662] uhci_hcd 0000:00:1a.0: reserve dev 5 ep81-INT, period
1, phase 0, 23 us
[ 64.119576] usb 2-1: adding 2-1:1.1 (config #1, interface 1)
[ 64.127950] usb 2-1: adding 2-1:1.2 (config #1, interface 2)
[ 64.136924] btusb 2-1:1.2: usb_probe_interface
[ 64.144332] btusb 2-1:1.2: usb_probe_interface - got id
[ 64.152571] usb 2-1: adding 2-1:1.3 (config #1, interface 3)
[ 64.160897] btusb 2-1:1.3: usb_probe_interface
[ 64.167823] btusb 2-1:1.3: usb_probe_interface - got id
...
[ 100.534903] [drm:intel_sdvo_debug_write], SDVOB: W: 0B
(SDVO_CMD_GET_ATTACHED_DISPLAYS)
[ 100.548392] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 00 00
[ 100.560152] [drm:intel_sdvo_detect], SDVO response 0 0 [1]
[ 100.565826] [drm:drm_helper_probe_single_connector_modes],
[CONNECTOR:15:DVI-D-1] disconnected
[ 100.574551] [drm:drm_mode_getconnector], [CONNECTOR:15:?]
[ 100.580044] [drm:drm_helper_probe_single_connector_modes],
[CONNECTOR:15:DVI-D-1]
[ 100.587672] [drm:intel_sdvo_debug_write], SDVOB: W: 0B
(SDVO_CMD_GET_ATTACHED_DISPLAYS)
[ 100.601411] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 00 00
[ 100.613202] [drm:intel_sdvo_detect], SDVO response 0 0 [1]
[ 100.618808] [drm:drm_helper_probe_single_connector_modes],
[CONNECTOR:15:DVI-D-1] disconnected
[ 101.802287] [drm:drm_mode_addfb], [FB:18]
[ 102.142272] [drm:intel_crtc_cursor_set],
[ 102.146471] [drm:intel_crtc_cursor_set], cursor off
[ 103.346753] hub 2-0:1.0: state 7 ports 2 chg 0000 evt 0002
[ 103.352278] usb 2-1: uhci_result_common: failed with status 440000
[ 103.357592] usb 2-1: uhci_result_common: failed with status 440000
[ 103.364864] usb 2-1: uhci_result_common: failed with status 440000
[ 103.368183] usb 2-1: uhci_result_common: failed with status 440000
[ 103.377457] usb 2-1: uhci_result_common: failed with status 440000
[ 103.380772] usb 2-1: uhci_result_common: failed with status 440000
[ 103.390052] usb 2-1: uhci_result_common: failed with status 440000
[ 103.393370] usb 2-1: uhci_result_common: failed with status 440000
[ 103.402631] usb 2-1: uhci_result_common: failed with status 440000
[ 103.405948] usb 2-1: uhci_result_common: failed with status 440000
[ 103.415211] usb 2-1: uhci_result_common: failed with status 440000
[ 103.418532] usb 2-1: uhci_result_common: failed with status 440000
[ 103.427791] usb 2-1: uhci_result_common: failed with status 440000
[ 103.431111] usb 2-1: uhci_result_common: failed with status 440000
[ 103.440365] usb 2-1: uhci_result_common: failed with status 440000
[ 103.443686] usb 2-1: uhci_result_common: failed with status 440000
[ 103.452932] usb 2-1: uhci_result_common: failed with status 440000
[ 103.456247] usb 2-1: uhci_result_common: failed with status 440000
[ 103.465501] usb 2-1: uhci_result_common: failed with status 440000
[ 103.468821] usb 2-1: uhci_result_common: failed with status 440000
[ 103.478074] usb 2-1: uhci_result_common: failed with status 440000
[ 103.481394] usb 2-1: uhci_result_common: failed with status 440000
[ 103.490630] usb 2-1: uhci_result_common: failed with status 440000
[ 103.493950] usb 2-1: uhci_result_common: failed with status 440000
[ 103.503202] usb 2-1: uhci_result_common: failed with status 440000
[ 103.506521] usb 2-1: uhci_result_common: failed with status 440000
[ 103.515763] usb 2-1: uhci_result_common: failed with status 440000
[ 103.519084] usb 2-1: uhci_result_common: failed with status 440000
[ 103.528341] usb 2-1: uhci_result_common: failed with status 440000
[ 103.531661] usb 2-1: uhci_result_common: failed with status 440000
[ 103.540907] usb 2-1: uhci_result_common: failed with status 440000
---repeating ---
[ 141.696075] usb 2-1: uhci_result_common: failed with status 440000
[ 141.699335] usb 2-1: uhci_result_common: failed with status 440000
[ 141.708504] usb 2-1: uhci_result_common: failed with status 440000
[ 141.711826] usb 2-1: uhci_result_common: failed with status 440000
[ 141.720950] usb 2-1: uhci_result_common: failed with status 440000
--- decided to turn off laptop ---
Googling it - seems it's common issue of this BT chipset - but I think
is should not cause suspend deadlock ??
Zdenek
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