[LAU] Bug: kernel or ardour related?

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To: <linux-audio-user@...>
Date: Monday, December 15, 2008 - 11:23 pm

Well, the day before yesterday I built the fglrx-modules for linux-rt,
but now each time I try to use ardour it disconnects after a few minutes
with the message that jack disconnected ardour for not being fast
enough. Each time my whole system hangs for a few seconds, and cpu load
is reported to be "e+02", e.g. 100% in qjackctl. Now dmesg tells me:

"[ 1950.955240] ACPI Exception (evregion-0419): AE_TIME, Returned by
Handler for [EmbeddedControl] [20080609]
[ 1950.958786] ACPI Error (psparse-0530): Method parse/execution failed
[\_SB_.BAT1._BST] (Node f74284dc), AE_TIME"

Well I guess I can live with that one. But later on it says something
like

"[ 2027.967536] ardour-2.7.1[7399]: segfault at 2e454467 ip b7e52000 sp
b23cf3c0 error 4 in libardour.so[b7d1c000+294000]"

and

"...
[ 2028.470312] [] sys_clone+0x33/0x40
[ 2028.470401] [] sysenter_do_call+0x12/0x2f
[ 2028.470499] [] ? mca_attach_bus+0x0/0xb2
[ 2028.470610] =======================
[ 2028.470675] ---[ end trace 62a1b91e9bf810ea ]---
[ 2031.774685] [fglrx] Reserved FB block: Shared offset:0, size:40000
[ 2031.776100] [fglrx] Reserved FB block: Unshared offset:7fb7000,
size:44000
[ 2031.777557] [fglrx] Reserved FB block: Unshared offset:7ffb000,
size:5000
[ 2093.323469] BUG: scheduling with irqs disabled:
ardour-2.7.1/0x00000001/8051
[ 2093.323480] caller is rt_spin_lock_slowlock+0x92/0x250
[ 2093.323484] Pid: 8051, comm: ardour-2.7.1 Tainted: P W
2.6.27-3-rt #1
[ 2093.323487] [] ? printk+0x18/0x1a
[ 2093.323491] [] schedule+0xf0/0x100
[ 2093.323495] [] rt_spin_lock_slowlock+0x92/0x250
..."

Obviously ardour and fglrx don't get along. So is there any way to fix
this? At the moment ardour is unusable for me, so I'd really appreciate
any suggestions!

Matthias

PS: Revelant dmesg output:

[ 13.254571] fglrx: module license 'Proprietary. (C) 2002 - ATI
Technologies, Starnberg, GERMANY' taints kernel.
[ 13.368037] [fglrx] Maximum main memory to use for locked dma
buffers: 1898 MBytes.
[ 13.368304] [fglrx] vendor: 1002 device: 5652 count: 1
[ 13.368694] [fglrx] ioport: bar 1, base 0x3000, size: 0x100
[ 13.368711] pci 0000:01:00.0: PCI INT A -> Link[LNKA] -> GSI 11
(level, low) -> IRQ 11
[ 13.368716] pci 0000:01:00.0: setting latency timer to 64
[ 13.381017] [fglrx] PAT is enabled successfully!
[ 13.381045] [fglrx] module loaded - fglrx 8.54.3 [Oct 10 2008] with 1
minors
[ 13.652936] ieee80211_crypt: registered algorithm 'NULL'
[ 13.697079] ieee80211: 802.11 data/management/control stack,
git-1.1.13
[ 13.697083] ieee80211: Copyright (C) 2004-2005 Intel Corporation

[ 13.773382] ipw2200: Intel(R) PRO/Wireless 2200/2915 Network Driver,
1.2.2kmprq
[ 13.773386] ipw2200: Copyright(c) 2003-2006 Intel Corporation
[ 13.773457] ipw2200 0000:03:07.0: PCI INT A -> Link[LNKE] -> GSI 11
(level, low) -> IRQ 11
[ 13.813042] ipw2200: Detected Intel PRO/Wireless 2200BG Network
Connection
[ 13.813092] firmware: requesting ipw2200-bss.fw
[ 13.920023] sdhci: Secure Digital Host Controller Interface driver
[ 13.920026] sdhci: Copyright(c) Pierre Ossman
[ 15.037210] input: Video Bus
as /devices/LNXSYSTM:00/device:00/PNP0A08:00/device:01/device:02/input/input7
[ 15.049022] ACPI: Video Device [ATIM] (multi-head: yes rom: no
post: no)
[ 15.596686] usbcore: registered new interface driver snd-usb-audio
[ 16.078779] input: PC Speaker
as /devices/platform/pcspkr/input/input8
[ 17.025317] Synaptics Touchpad, model: 1, fw: 6.1, id: 0x2580b1,
caps: 0xa04713/0x200000
[ 17.061419] input: SynPS/2 Synaptics TouchPad
as /devices/platform/i8042/serio4/input/input9
[ 17.956908] ipw2200: Radio Frequency Kill Switch is On:
[ 17.956910] Kill switch must be turned off for wireless networking to
work.
[ 17.957233] ipw2200: Detected geography ZZD (13 802.11bg channels, 0
802.11a channels)
[ 17.957317] Yenta: CardBus bridge found at 0000:03:09.0 [144d:c018]
[ 18.079460] Yenta: ISA IRQ mask 0x0098, PCI irq 11
[ 18.079465] Socket status: 30000006
[ 18.079468] pcmcia: parent PCI bridge I/O window: 0x5000 - 0x5fff
[ 18.079471] cs: IO port probe 0x5000-0x5fff: clean.
[ 18.079720] pcmcia: parent PCI bridge Memory window: 0xc8000000 -
0xc80fffff
[ 18.079723] pcmcia: parent PCI bridge Memory window: 0x88000000 -
0x8bffffff
[ 18.080107] Intel ICH 0000:00:1e.2: PCI INT A -> Link[LNKB] -> GSI 10
(level, low) -> IRQ 10
[ 18.080132] Intel ICH 0000:00:1e.2: setting latency timer to 64
[ 18.409043] cs: IO port probe 0x100-0x3af: clean.
[ 18.410820] cs: IO port probe 0x3e0-0x4ff: excluding 0x4d0-0x4d7
[ 18.411612] cs: IO port probe 0x820-0x8ff: clean.
[ 18.412278] cs: IO port probe 0xc00-0xcf7: clean.
[ 18.413103] cs: IO port probe 0xa00-0xaff: clean.
[ 18.434016] AC'97 0 analog subsections not ready
[ 18.995018] intel8x0_measure_ac97_clock: measured 50496 usecs
[ 18.995021] intel8x0: clocking to 48000
[ 18.997405] sdhci-pci 0000:03:09.2: SDHCI controller found
[1180:0822] (rev 17)
[ 18.997428] sdhci-pci 0000:03:09.2: PCI INT C -> Link[LNKC] -> GSI 5
(level, low) -> IRQ 5
[ 18.997522] mmc0: SDHCI controller on PCI [0000:03:09.2] using PIO
[ 19.844731] lp: driver loaded but no devices found
[ 20.118306] Adding 2048248k swap on /dev/sda6. Priority:-1 extents:1
across:2048248k
[ 20.656087] EXT3 FS on sda7, internal journal
[ 21.733191] kjournald starting. Commit interval 5 seconds
[ 21.733361] EXT3 FS on sda5, internal journal
[ 21.733366] EXT3-fs: mounted filesystem with ordered data mode.
[ 21.767181] kjournald starting. Commit interval 5 seconds
[ 21.767298] EXT3 FS on sda8, internal journal
[ 21.767301] EXT3-fs: mounted filesystem with ordered data mode.
[ 22.046433] type=1505 audit(1229379635.457:2):
operation="profile_load" name="/usr/share/gdm/guest-session/Xsession"
name2="default" pid=3942
[ 22.264715] type=1505 audit(1229379635.675:3):
operation="profile_load" name="/usr/lib/cups/backend/cups-pdf"
name2="default" pid=3947
[ 22.264979] type=1505 audit(1229379635.675:4):
operation="profile_load" name="/usr/sbin/cupsd" name2="default" pid=3947
[ 22.419114] ip_tables: (C) 2000-2006 Netfilter Core Team
[ 23.089069] ACPI: WMI: Mapper loaded
[ 24.048557] warning: `avahi-daemon' uses 32-bit capabilities (legacy
support in use)
[ 24.120938] apm: BIOS version 1.2 Flags 0x03 (Driver version 1.16ac)
[ 24.121735] apm: overridden by ACPI.
[ 24.498527] ppdev: user-space parallel port driver
[ 25.684028] Marking TSC unstable due to cpufreq changes
[ 26.000037] Clocksource tsc unstable (delta = -175183327 ns)
[ 45.266033] usb 4-1: new full speed USB device using uhci_hcd and
address 2
[ 45.515302] usb 4-1: configuration #1 chosen from 1 choice
[ 45.701890] Bluetooth: Core ver 2.13
[ 45.702987] NET: Registered protocol family 31
[ 45.703154] Bluetooth: HCI device and connection manager initialized
[ 45.703321] Bluetooth: HCI socket layer initialized
[ 45.730257] Bluetooth: Generic Bluetooth USB driver ver 0.3
[ 45.732557] usbcore: registered new interface driver btusb
[ 47.773925] Bluetooth: L2CAP ver 2.11
[ 47.774816] Bluetooth: L2CAP socket layer initialized
[ 47.823551] Bluetooth: SCO (Voice Link) ver 0.6
[ 47.824200] Bluetooth: SCO socket layer initialized
[ 47.853061] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 47.853281] Bluetooth: BNEP filters: protocol multicast
[ 47.885566] Bluetooth: RFCOMM socket layer initialized
[ 47.886764] Bluetooth: RFCOMM TTY layer initialized
[ 47.887812] Bluetooth: RFCOMM ver 1.10
[ 47.898340] Bridge firewalling registered
[ 47.899331] pan0: Dropping NETIF_F_UFO since no NETIF_F_HW_CSUM
feature.
[ 50.667327] NET: Registered protocol family 10
[ 50.669199] lo: Disabled Privacy Extensions
[ 52.303627] ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 52.318962] ADDRCONF(NETDEV_UP): eth1: link is not ready
[ 52.375261] NET: Registered protocol family 17
[ 53.343498] [fglrx] Reserved FB block: Shared offset:0, size:40000
[ 53.345295] [fglrx] Reserved FB block: Unshared offset:7fb7000,
size:44000
[ 53.346741] [fglrx] Reserved FB block: Unshared offset:7ffb000,
size:5000
[ 78.999868] ieee80211_crypt: registered algorithm 'WEP'
[ 79.275223] ADDRCONF(NETDEV_CHANGE): eth1: link becomes ready
[ 89.676029] eth1: no IPv6 routers present
[ 1948.950197] ACPI: EC: missing confirmations, switch off interrupt
mode.
[ 1950.955240] ACPI Exception (evregion-0419): AE_TIME, Returned by
Handler for [EmbeddedControl] [20080609]
[ 1950.958786] ACPI Error (psparse-0530): Method parse/execution failed
[\_SB_.BAT1._BST] (Node f74284dc), AE_TIME
[ 1950.962482] ACPI Exception (battery-0360): AE_TIME, Evaluating _BST
[20080609]
[ 1952.955576] ACPI Exception (evregion-0419): AE_TIME, Returned by
Handler for [EmbeddedControl] [20080609]
[ 1952.955826] ACPI Error (psparse-0530): Method parse/execution failed
[\_SB_.BAT1._BST] (Node f74284dc), AE_TIME
[ 1952.955910] ACPI Exception (battery-0360): AE_TIME, Evaluating _BST
[20080609]
[ 1954.954997] ACPI Exception (evregion-0419): AE_TIME, Returned by
Handler for [EmbeddedControl] [20080609]
[ 1954.955050] ACPI Error (psparse-0530): Method parse/execution failed
[\_SB_.BAT1._BST] (Node f74284dc), AE_TIME
[ 1954.955134] ACPI Exception (battery-0360): AE_TIME, Evaluating _BST
[20080609]
[ 1956.950543] ACPI Exception (evregion-0419): AE_TIME, Returned by
Handler for [EmbeddedControl] [20080609]
[ 1956.950572] ACPI Error (psparse-0530): Method parse/execution failed
[\_SB_.BAT1._BST] (Node f74284dc), AE_TIME
[ 1956.950700] ACPI Exception (battery-0360): AE_TIME, Evaluating _BST
[20080609]
[ 1958.954524] ACPI Exception (evregion-0419): AE_TIME, Returned by
Handler for [EmbeddedControl] [20080609]
[ 1958.954552] ACPI Error (psparse-0530): Method parse/execution failed
[\_SB_.BAT1._BST] (Node f74284dc), AE_TIME
[ 1958.954635] ACPI Exception (battery-0360): AE_TIME, Evaluating _BST
[20080609]
[ 1960.950543] ACPI Exception (evregion-0419): AE_TIME, Returned by
Handler for [EmbeddedControl] [20080609]
[ 1960.950571] ACPI Error (psparse-0530): Method parse/execution failed
[\_SB_.BAT1._BST] (Node f74284dc), AE_TIME
[ 1960.950655] ACPI Exception (battery-0360): AE_TIME, Evaluating _BST
[20080609]
[ 1980.950507] ACPI Exception (evregion-0419): AE_TIME, Returned by
Handler for [EmbeddedControl] [20080609]
[ 1980.951195] ACPI Error (psparse-0530): Method parse/execution failed
[\_SB_.BAT1._BST] (Node f74284dc), AE_TIME
[ 1980.951851] ACPI Exception (battery-0360): AE_TIME, Evaluating _BST
[20080609]
[ 1982.955767] ACPI Exception (evregion-0419): AE_TIME, Returned by
Handler for [EmbeddedControl] [20080609]
[ 1982.956461] ACPI Error (psparse-0530): Method parse/execution failed
[\_SB_.BAT1._BST] (Node f74284dc), AE_TIME
[ 1982.958428] ACPI Exception (battery-0360): AE_TIME, Evaluating _BST
[20080609]
[ 1984.954906] ACPI Exception (evregion-0419): AE_TIME, Returned by
Handler for [EmbeddedControl] [20080609]
[ 1984.958426] ACPI Error (psparse-0530): Method parse/execution failed
[\_SB_.BAT1._BST] (Node f74284dc), AE_TIME
[ 1984.962088] ACPI Exception (battery-0360): AE_TIME, Evaluating _BST
[20080609]
[ 1986.954289] ACPI Exception (evregion-0419): AE_TIME, Returned by
Handler for [EmbeddedControl] [20080609]
[ 1986.957806] ACPI Error (psparse-0530): Method parse/execution failed
[\_SB_.BAT1._BST] (Node f74284dc), AE_TIME
[ 1986.961387] ACPI Exception (battery-0360): AE_TIME, Evaluating _BST
[20080609]
[ 1988.950792] ACPI Exception (evregion-0419): AE_TIME, Returned by
Handler for [EmbeddedControl] [20080609]
[ 1988.950818] ACPI Error (psparse-0530): Method parse/execution failed
[\_SB_.BAT1._BST] (Node f74284dc), AE_TIME
[ 1988.950898] ACPI Exception (battery-0360): AE_TIME, Evaluating _BST
[20080609]
[ 1990.954315] ACPI Exception (evregion-0419): AE_TIME, Returned by
Handler for [EmbeddedControl] [20080609]
[ 1990.954340] ACPI Error (psparse-0530): Method parse/execution failed
[\_SB_.BAT1._BST] (Node f74284dc), AE_TIME
[ 1990.954420] ACPI Exception (battery-0360): AE_TIME, Evaluating _BST
[20080609]
[ 2011.951078] ACPI Exception (evregion-0419): AE_TIME, Returned by
Handler for [EmbeddedControl] [20080609]
[ 2011.951772] ACPI Error (psparse-0530): Method parse/execution failed
[\_SB_.BAT1._BST] (Node f74284dc), AE_TIME
[ 2011.952490] ACPI Exception (battery-0360): AE_TIME, Evaluating _BST
[20080609]
[ 2013.950320] ACPI Exception (evregion-0419): AE_TIME, Returned by
Handler for [EmbeddedControl] [20080609]
[ 2013.950935] ACPI Error (psparse-0530): Method parse/execution failed
[\_SB_.BAT1._BST] (Node f74284dc), AE_TIME
[ 2013.951870] ACPI Exception (battery-0360): AE_TIME, Evaluating _BST
[20080609]
[ 2015.950548] ACPI Exception (evregion-0419): AE_TIME, Returned by
Handler for [EmbeddedControl] [20080609]
[ 2015.950574] ACPI Error (psparse-0530): Method parse/execution failed
[\_SB_.BAT1._BST] (Node f74284dc), AE_TIME
[ 2015.950654] ACPI Exception (battery-0360): AE_TIME, Evaluating _BST
[20080609]
[ 2017.950357] ACPI Exception (evregion-0419): AE_TIME, Returned by
Handler for [EmbeddedControl] [20080609]
[ 2017.950382] ACPI Error (psparse-0530): Method parse/execution failed
[\_SB_.BAT1._BST] (Node f74284dc), AE_TIME
[ 2017.950462] ACPI Exception (battery-0360): AE_TIME, Evaluating _BST
[20080609]
[ 2019.954313] ACPI Exception (evregion-0419): AE_TIME, Returned by
Handler for [EmbeddedControl] [20080609]
[ 2019.954339] ACPI Error (psparse-0530): Method parse/execution failed
[\_SB_.BAT1._BST] (Node f74284dc), AE_TIME
[ 2019.954421] ACPI Exception (battery-0360): AE_TIME, Evaluating _BST
[20080609]
[ 2021.985907] ACPI Exception (evregion-0419): AE_TIME, Returned by
Handler for [EmbeddedControl] [20080609]
[ 2021.985937] ACPI Error (psparse-0530): Method parse/execution failed
[\_SB_.BAT1._BST] (Node f74284dc), AE_TIME
[ 2021.986045] ACPI Exception (battery-0360): AE_TIME, Evaluating _BST
[20080609]
[ 2027.967536] ardour-2.7.1[7399]: segfault at 2e454467 ip b7e52000 sp
b23cf3c0 error 4 in libardour.so[b7d1c000+294000]
[ 2028.458028] BUG: scheduling with irqs disabled:
pam-foreground-/0x00000001/7449
[ 2028.458105] caller is rt_spin_lock_slowlock+0x92/0x250
[ 2028.458109] Pid: 7449, comm: pam-foreground- Tainted: P
2.6.27-3-rt #1
[ 2028.458113] [] ? printk+0x18/0x1a
[ 2028.458117] [] schedule+0xf0/0x100
[ 2028.458120] [] rt_spin_lock_slowlock+0x92/0x250
[ 2028.458123] [] __rt_spin_lock+0x4a/0x50
[ 2028.458127] [] rt_spin_lock+0x8/0x10
[ 2028.458130] [] free_hot_cold_page+0xaf/0x1b0
[ 2028.458135] [] free_hot_page+0xa/0x10
[ 2028.458138] [] __free_pages+0x2f/0x40
[ 2028.458141] [] free_pages+0x26/0x30
[ 2028.458144] [] pgd_free+0x5b/0x60
[ 2028.458149] [] __mmdrop+0x15/0x40
[ 2028.458153] [] finish_task_switch+0xb5/0xf0
[ 2028.458156] [] __schedule+0x34a/0x5e0
[ 2028.458160] [] ? check_preempt_wakeup+0x165/0x1c0
[ 2028.458163] [] preempt_schedule+0x72/0xa0
[ 2028.458166] [] wake_up_new_task+0x11d/0x130
[ 2028.458170] [] do_fork+0xf7/0x2a0
[ 2028.458173] [] sys_clone+0x33/0x40
[ 2028.458176] [] sysenter_do_call+0x12/0x2f
[ 2028.458179] [] ? mca_attach_bus+0x0/0xb2
[ 2028.458183] =======================
[ 2028.458185] BUG: scheduling while atomic:
pam-foreground-/0x00000002/7449, CPU#0
[ 2028.458248] Modules linked in: arc4 ecb crypto_blkcipher
ieee80211_crypt_wep af_packet ipv6 binfmt_misc bridge stp rfcomm bnep
sco l2cap btusb bluetooth ppdev speedstep_centrino cpufreq_ondemand
cpufreq_conservative cpufreq_powersave cpufreq_userspace cpufreq_stats
freq_table wmi sbs sbshc pci_slot iptable_filter ip_tables x_tables sbp2
parport_pc lp parport pcmcia joydev psmouse serio_raw pcspkr evdev
snd_usb_audio snd_usb_lib snd_hwdep container video output snd_intel8x0
snd_ac97_codec sdhci_pci ac97_bus sdhci snd_pcm_oss snd_mixer_oss
snd_pcm mmc_core yenta_socket rsrc_nonstatic ipw2200 pcmcia_core
ieee80211 ieee80211_crypt snd_seq_dummy fglrx(P) iTCO_wdt
iTCO_vendor_support snd_seq_oss snd_seq_midi snd_rawmidi battery
snd_seq_midi_event snd_seq ac snd_timer snd_seq_device button snd
soundcore snd_page_alloc intel_agp shpchp agpgart pci_hotplug ext3 jbd
mbcache sr_mod cdrom sd_mod crc_t10dif usbhid hid sg ata_piix
ata_generic pata_acpi libata scsi_mod ohci1394 ieee1394 tg3 libphy
ehci_hcd uhci_hcd usbcore dock thermal processor fan fbcon tileblit font
bitblit softcursor uvesafb fuse
[ 2028.458323] Pid: 7449, comm: pam-foreground- Tainted: P
2.6.27-3-rt #1
[ 2028.458325] [] ? printk+0x18/0x1a
[ 2028.458328] [] __schedule_bug+0x68/0x70
[ 2028.458331] [] __schedule+0x45f/0x5e0
[ 2028.458334] [] ? printk+0x18/0x1a
[ 2028.458337] [] ? show_trace+0x36/0x40
[ 2028.458341] [] ? dump_stack+0x70/0x77
[ 2028.458344] [] schedule+0x3c/0x100
[ 2028.458347] [] rt_spin_lock_slowlock+0x92/0x250
[ 2028.458351] [] __rt_spin_lock+0x4a/0x50
[ 2028.458354] [] rt_spin_lock+0x8/0x10
[ 2028.458357] [] free_hot_cold_page+0xaf/0x1b0
[ 2028.458360] [] free_hot_page+0xa/0x10
[ 2028.458363] [] __free_pages+0x2f/0x40
[ 2028.458366] [] free_pages+0x26/0x30
[ 2028.458369] [] pgd_free+0x5b/0x60
[ 2028.458372] [] __mmdrop+0x15/0x40
[ 2028.458375] [] finish_task_switch+0xb5/0xf0
[ 2028.458378] [] __schedule+0x34a/0x5e0
[ 2028.458381] [] ? check_preempt_wakeup+0x165/0x1c0
[ 2028.458385] [] preempt_schedule+0x72/0xa0
[ 2028.458388] [] wake_up_new_task+0x11d/0x130
[ 2028.458391] [] do_fork+0xf7/0x2a0
[ 2028.458394] [] sys_clone+0x33/0x40
[ 2028.458397] [] sysenter_do_call+0x12/0x2f
[ 2028.458400] [] ? mca_attach_bus+0x0/0xb2
[ 2028.458403] =======================
[ 2028.459026] ------------[ cut here ]------------
[ 2028.464161] WARNING:
at /build/buildd/linux-rt-2.6.27/kernel/sched.c:4829 __schedule
+0x397/0x5e0()
[ 2028.464301] Modules linked in: arc4 ecb crypto_blkcipher
ieee80211_crypt_wep af_packet ipv6 binfmt_misc bridge stp rfcomm bnep
sco l2cap btusb bluetooth ppdev speedstep_centrino cpufreq_ondemand
cpufreq_conservative cpufreq_powersave cpufreq_userspace cpufreq_stats
freq_table wmi sbs sbshc pci_slot iptable_filter ip_tables x_tables sbp2
parport_pc lp parport pcmcia joydev psmouse serio_raw pcspkr evdev
snd_usb_audio snd_usb_lib snd_hwdep container video output snd_intel8x0
snd_ac97_codec sdhci_pci ac97_bus sdhci snd_pcm_oss snd_mixer_oss
snd_pcm mmc_core yenta_socket rsrc_nonstatic ipw2200 pcmcia_core
ieee80211 ieee80211_crypt snd_seq_dummy fglrx(P) iTCO_wdt
iTCO_vendor_support snd_seq_oss snd_seq_midi snd_rawmidi battery
snd_seq_midi_event snd_seq ac snd_timer snd_seq_device button snd
soundcore snd_page_alloc intel_agp shpchp agpgart pci_hotplug ext3 jbd
mbcache sr_mod cdrom sd_mod crc_t10dif usbhid hid sg ata_piix
ata_generic pata_acpi libata scsi_mod ohci1394 ieee1394 tg3 libphy
ehci_hcd uhci_hcd usbcore dock thermal processor fan fbcon tileblit font
bitblit softcursor uvesafb fuse
[ 2028.468254] Pid: 7449, comm: pam-foreground- Tainted: P
2.6.27-3-rt #1
[ 2028.468367] [] ? printk+0x18/0x1a
[ 2028.468470] [] warn_on_slowpath+0x54/0x80
[ 2028.468569] [] ? free_pages_bulk+0x232/0x250
[ 2028.468686] [] ? free_hot_cold_page+0x12f/0x1b0
[ 2028.468805] [] ? free_hot_page+0xa/0x10
[ 2028.468915] [] ? kmem_cache_free+0x37/0x50
[ 2028.469051] [] ? __mmdrop+0x39/0x40
[ 2028.469157] [] ? finish_task_switch+0xb5/0xf0
[ 2028.469274] [] __schedule+0x397/0x5e0
[ 2028.469368] [] ? check_preempt_wakeup+0x165/0x1c0
[ 2028.470021] [] preempt_schedule+0x72/0xa0
[ 2028.470121] [] wake_up_new_task+0x11d/0x130
[ 2028.470222] [] do_fork+0xf7/0x2a0
[ 2028.470312] [] sys_clone+0x33/0x40
[ 2028.470401] [] sysenter_do_call+0x12/0x2f
[ 2028.470499] [] ? mca_attach_bus+0x0/0xb2
[ 2028.470610] =======================
[ 2028.470675] ---[ end trace 62a1b91e9bf810ea ]---
[ 2031.774685] [fglrx] Reserved FB block: Shared offset:0, size:40000
[ 2031.776100] [fglrx] Reserved FB block: Unshared offset:7fb7000,
size:44000
[ 2031.777557] [fglrx] Reserved FB block: Unshared offset:7ffb000,
size:5000
[ 2093.323469] BUG: scheduling with irqs disabled:
ardour-2.7.1/0x00000001/8051
[ 2093.323480] caller is rt_spin_lock_slowlock+0x92/0x250
[ 2093.323484] Pid: 8051, comm: ardour-2.7.1 Tainted: P W
2.6.27-3-rt #1
[ 2093.323487] [] ? printk+0x18/0x1a
[ 2093.323491] [] schedule+0xf0/0x100
[ 2093.323495] [] rt_spin_lock_slowlock+0x92/0x250
[ 2093.323498] [] __rt_spin_lock+0x4a/0x50
[ 2093.323502] [] rt_spin_lock+0x8/0x10
[ 2093.323505] [] kmem_cache_free+0x21/0x50
[ 2093.323510] [] __mmdrop+0x39/0x40
[ 2093.323514] [] finish_task_switch+0xb5/0xf0
[ 2093.323518] [] __schedule+0x34a/0x5e0
[ 2093.323521] [] ? getnstimeofday+0x4b/0xf0
[ 2093.323526] [] schedule+0x3c/0x100
[ 2093.323529] [] do_nanosleep+0x7e/0xb0
[ 2093.323532] [] hrtimer_nanosleep+0x87/0x100
[ 2093.323535] [] ? hrtimer_wakeup+0x0/0x20
[ 2093.323539] [] ? do_nanosleep+0x6b/0xb0
[ 2093.323542] [] sys_nanosleep+0x60/0x70
[ 2093.323545] [] sysenter_do_call+0x12/0x2f
[ 2093.323549] =======================
[ 2093.323552] BUG: scheduling while atomic:
ardour-2.7.1/0x00000002/8051, CPU#0
[ 2093.323554] Modules linked in: arc4 ecb crypto_blkcipher
ieee80211_crypt_wep af_packet ipv6 binfmt_misc bridge stp rfcomm bnep
sco l2cap btusb bluetooth ppdev speedstep_centrino cpufreq_ondemand
cpufreq_conservative cpufreq_powersave cpufreq_userspace cpufreq_stats
freq_table wmi sbs sbshc pci_slot iptable_filter ip_tables x_tables sbp2
parport_pc lp parport pcmcia joydev psmouse serio_raw pcspkr evdev
snd_usb_audio snd_usb_lib snd_hwdep container video output snd_intel8x0
snd_ac97_codec sdhci_pci ac97_bus sdhci snd_pcm_oss snd_mixer_oss
snd_pcm mmc_core yenta_socket rsrc_nonstatic ipw2200 pcmcia_core
ieee80211 ieee80211_crypt snd_seq_dummy fglrx(P) iTCO_wdt
iTCO_vendor_support snd_seq_oss snd_seq_midi snd_rawmidi battery
snd_seq_midi_event snd_seq ac snd_timer snd_seq_device button snd
soundcore snd_page_alloc intel_agp shpchp agpgart pci_hotplug ext3 jbd
mbcache sr_mod cdrom sd_mod crc_t10dif usbhid hid sg ata_piix
ata_generic pata_acpi libata scsi_mod ohci1394 ieee1394 tg3 libphy
ehci_hcd uhci_hcd usbcore dock thermal processor fan fbcon tileblit font
bitblit softcursor uvesafb fuse
[ 2093.323628] Pid: 8051, comm: ardour-2.7.1 Tainted: P W
2.6.27-3-rt #1
[ 2093.323630] [] ? printk+0x18/0x1a
[ 2093.323633] [] __schedule_bug+0x68/0x70
[ 2093.323636] [] __schedule+0x45f/0x5e0
[ 2093.323639] [] ? printk+0x18/0x1a
[ 2093.323642] [] ? show_trace+0x36/0x40
[ 2093.323646] [] ? dump_stack+0x70/0x77
[ 2093.323649] [] schedule+0x3c/0x100
[ 2093.323652] [] rt_spin_lock_slowlock+0x92/0x250
[ 2093.323656] [] __rt_spin_lock+0x4a/0x50
[ 2093.323659] [] rt_spin_lock+0x8/0x10
[ 2093.323662] [] kmem_cache_free+0x21/0x50
[ 2093.323665] [] __mmdrop+0x39/0x40
[ 2093.323668] [] finish_task_switch+0xb5/0xf0
[ 2093.323671] [] __schedule+0x34a/0x5e0
[ 2093.323674] [] ? getnstimeofday+0x4b/0xf0
[ 2093.323678] [] schedule+0x3c/0x100
[ 2093.323681] [] do_nanosleep+0x7e/0xb0
[ 2093.323684] [] hrtimer_nanosleep+0x87/0x100
[ 2093.323687] [] ? hrtimer_wakeup+0x0/0x20
[ 2093.323690] [] ? do_nanosleep+0x6b/0xb0
[ 2093.323694] [] sys_nanosleep+0x60/0x70
[ 2093.323697] [] sysenter_do_call+0x12/0x2f
[ 2093.323700] =======================

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Messages in current thread:
[LAU] Bug: kernel or ardour related?, Matthias , (Mon Dec 15, 11:23 pm)
Re: [LAU] Bug: kernel or ardour related?, Steve Fosdick, (Tue Dec 16, 11:13 am)
Re: [LAU] Bug: kernel or ardour related?, Mark Knecht, (Tue Dec 16, 1:31 am)