2011/4/11 Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>: > On Mon, 11 Apr 2011, Zdenek Kabelac wrote: > >> 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] > >> 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. > > Clearly there's something going wrong in the Bluetooth drivers. You > should try posting some of this on the linux-bluetooth mailing list. I've created: https://bugzilla.kernel.org/show_bug.cgi?id=33062 and I'm cc-ing linux-bluetooth. 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
