2011/4/8 Zdenek Kabelac <zdenek.kabelac@xxxxxxxxx>: > 2011/4/8 Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>: >> On Fri, 8 Apr 2011, Zdenek Kabelac wrote: >> >>> 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 is essentially the same problem. >> >>> 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" >> >> ... >> >>> Googling it - seems it's common issue of this BT chipset - but I think >>> is should not cause suspend deadlock ?? >> >> Are you sure anything is deadlocked? What happens if you disable >> CONFIG_USB_DEBUG? >> > > > Ok - I've disabled this config option - now kernel writes this: > (when I keep bt device enabled) > > usb 3-1: USB disconnect, device number 2 > btusb_bulk_complete: hci0 urb ffff88012b94ca50 failed to resubmit (19) > btusb_intr_complete: hci0 urb ffff88012b94c000 failed to resubmit (19) > btusb_bulk_complete: hci0 urb ffff88012b94c948 failed to resubmit (19) > btusb_send_frame: hci0 urb ffff880113dd0528 submission failed > ------------[ cut here ]------------ > WARNING: at lib/debugobjects.c:262 debug_print_object+0x7c/0x8d() > Hardware name: 6464CTO > ODEBUG: free active (active state 0) object type: timer_list hint: > hci_cmd_timer+0x0/0x46 [bluetooth] > Modules linked in: hidp ip6table_filter > systemd[1]: Service bluetooth.target is not needed anymore. Stopping. > ip6_tables ebtable_nat ebtables xt_CHECKSUM iptable_mangle tun bridge > ipv6 stp llc sunrpc rfcomm acpi_cpufreq freq_table mperf bnep > xt_physdev ipt_MASQUERADE iptable_nat nf_nat snd_hda_codec_analog arc4 > iwl3945 snd_hda_intel snd_hda_codec snd_hwdep r852 snd_seq sm_common > snd_seq_device microcode btusb nand iwl_legacy nand_ids r592 nand_ecc > memstick mtd snd_pcm mac80211 i2c_i801 joydev iTCO_wdt bluetooth > iTCO_vendor_support cfg80211 thinkpad_acpi e1000e snd_timer rfkill > snd_page_alloc wmi snd soundcore virtio_net kvm_intel kvm uinput > sdhci_pci yenta_socket sdhci mmc_core i915 drm_kms_helper drm > i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan] > Pid: 21, comm: khubd Not tainted 2.6.39-0.rc2.git0.0.fc16.x86_64 #1 ooops - different kernel - I'll need another reboot. (But anyway probably interested as well) Zdenek -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
