2011/4/11 Zdenek Kabelac <zdenek.kabelac@xxxxxxxxx>: > 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. > In fact this Ooops might be related to: http://marc.info/?l=linux-kernel&m=130207593728273&w=2 Zdenek -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
