http://bugzilla.kernel.org/show_bug.cgi?id=13466
Summary: Undocking attempt fails, keyboard dead.
Product: ACPI
Version: 2.5
Kernel Version: 2.6.30rc
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Config-Hotplug
AssignedTo: acpi_config-hotp...@kernel-bugs.osdl.org
ReportedBy: p...@debian.org
Regression: Yes
Hardware: IBM Thinkpad T42, Dock II.
Docking works OK.
On pressing the eject button on the Dock, the dock does not unlatch. A WARNING
(as follows) is printed on the console and the keyboard becomes unresponsive to
anything but the SYSRQ handler.
Regression from 2.6.29. The following report is for 2.6.30-rc6, but all
2.6.30-rc has had this behaviour.
Jun 6 11:38:05 thinkpad kernel: acpiphp_glue: handle_hotplug_event_func:
Device eject notify on \_SB_.PCI0.PCI1.DOCK
Jun 6 11:38:05 thinkpad kernel: ------------[ cut here ]------------
Jun 6 11:38:05 thinkpad kernel: WARNING: at kernel/workqueue.c:371
flush_cpu_workqueue+0x23/0x57()
Jun 6 11:38:05 thinkpad kernel: Hardware name: 2374BW7
Jun 6 11:38:05 thinkpad kernel: Modules linked in: radeon drm ppdev lp tun
aes_i586 aes_generic sco bridge stp llc bnep rfcomm l2cap bluetooth ipv6
microcode ext3 jbd mbcache fuse dm_crypt dm_mod cpufreq_stats acpi_cpufreq
acpiphp snd_intel8x0 snd_intel8x0m snd_cs46xx gameport snd_ac97_codec ac97_bus
snd_pcm_oss snd_mixer_oss pcmcia snd_pcm arc4 snd_seq_dummy snd_seq_oss ecb
snd_seq_midi snd_rawmidi firewire_ohci firewire_core thinkpad_acpi crc_itu_t
ath5k joydev snd_seq_midi_event snd_seq rfkill snd_timer snd_seq_device
mac80211 ohci1394 led_class snd pata_cmd64x uhci_hcd cfg80211 e1000 ehci_hcd
ieee1394 yenta_socket rsrc_nonstatic pcmcia_core intel_agp psmouse nsc_ircc
i2c_i801 soundcore usbcore agpgart shpchp pci_hotplug pcspkr serio_raw floppy
button nvram battery ac video parport_pc parport irda snd_page_alloc rtc_cmos
rtc_core rtc_lib output processor evdev crc_ccitt xfs exportfs sd_mod thermal
fan ata_generic ide_pci_generic piix ide_core ata_piix libata scsi_mod radeonfb
fb_ddc i2c_algo_bit i2c_core
Jun 6 11:38:05 thinkpad kernel: Pid: 5, comm: events/0 Not tainted 2.6.30-rc6
#101
Jun 6 11:38:05 thinkpad kernel: Call Trace:
Jun 6 11:38:05 thinkpad kernel: [<c011eefc>] warn_slowpath_common+0x60/0x90
Jun 6 11:38:05 thinkpad kernel: [<c011ef39>] warn_slowpath_null+0xd/0x10
Jun 6 11:38:05 thinkpad kernel: [<c012aad5>] flush_cpu_workqueue+0x23/0x57
Jun 6 11:38:05 thinkpad kernel: [<c012b1d1>] flush_workqueue+0x12/0x15
Jun 6 11:38:05 thinkpad kernel: [<c012b1e1>] flush_scheduled_work+0xd/0xf
Jun 6 11:38:05 thinkpad kernel: [<f80c0d54>] hpsb_remove_host+0x2b/0x4f
[ieee1394]
Jun 6 11:38:05 thinkpad kernel: [<f936db70>] ohci1394_pci_remove+0x4c/0x227
[ohci1394]
Jun 6 11:38:05 thinkpad kernel: [<c01a93d1>] ?
sysfs_hash_and_remove+0x3d/0x50
Jun 6 11:38:05 thinkpad kernel: [<c01f0fde>] pci_device_remove+0x19/0x39
Jun 6 11:38:05 thinkpad kernel: [<c0249770>]
__device_release_driver+0x58/0x75
Jun 6 11:38:05 thinkpad kernel: [<c024980c>] device_release_driver+0x18/0x23
Jun 6 11:38:05 thinkpad kernel: [<c0248f97>] bus_remove_device+0x83/0x9a
Jun 6 11:38:05 thinkpad kernel: [<c0247ba6>] device_del+0xec/0x120
Jun 6 11:38:05 thinkpad kernel: [<c0247be5>] device_unregister+0xb/0x15
Jun 6 11:38:05 thinkpad kernel: [<c01ecfe7>] pci_stop_dev+0x23/0x2d
Jun 6 11:38:05 thinkpad kernel: [<c01ed01e>] pci_stop_bus_device+0x2d/0x32
Jun 6 11:38:05 thinkpad kernel: [<c01ed00f>] pci_stop_bus_device+0x1e/0x32
Jun 6 11:38:05 thinkpad kernel: [<f973a8f2>] acpiphp_disable_slot+0x5a/0x156
[acpiphp]
Jun 6 11:38:05 thinkpad kernel: [<f973b040>]
handle_hotplug_event_func+0xd8/0x101 [acpiphp]
Jun 6 11:38:05 thinkpad kernel: [<c01e5045>] ? sprintf+0x17/0x19
Jun 6 11:38:05 thinkpad kernel: [<f973af68>] ?
handle_hotplug_event_func+0x0/0x101 [acpiphp]
Jun 6 11:38:05 thinkpad kernel: [<c020c33e>] hotplug_dock_devices+0x3f/0xe7
Jun 6 11:38:05 thinkpad kernel: [<c020c60e>] handle_eject_request+0xa7/0xd9
Jun 6 11:38:05 thinkpad kernel: [<c02c9e8d>] ? __schedule+0x3dc/0x3f7
Jun 6 11:38:05 thinkpad kernel: [<c020c79d>]
acpi_dock_deferred_cb+0x130/0x19c
Jun 6 11:38:05 thinkpad kernel: [<c012b1d1>] ? flush_workqueue+0x12/0x15
Jun 6 11:38:05 thinkpad kernel: [<c0207534>]
acpi_os_execute_hp_deferred+0x28/0x36
Jun 6 11:38:05 thinkpad kernel: [<c012ae00>] worker_thread+0x11c/0x18e
Jun 6 11:38:05 thinkpad kernel: [<c020750c>] ?
acpi_os_execute_hp_deferred+0x0/0x36
Jun 6 11:38:05 thinkpad kernel: [<c012d811>] ?
autoremove_wake_function+0x0/0x33
Jun 6 11:38:05 thinkpad kernel: [<c012ace4>] ? worker_thread+0x0/0x18e
Jun 6 11:38:05 thinkpad kernel: [<c012d497>] kthread+0x42/0x67
Jun 6 11:38:05 thinkpad kernel: [<c012d455>] ? kthread+0x0/0x67
Jun 6 11:38:05 thinkpad kernel: [<c0103013>] kernel_thread_helper+0x7/0x10
Jun 6 11:38:05 thinkpad kernel: ---[ end trace 9c45d0a1e0bb2ecc ]---
Jun 6 11:38:20 thinkpad kernel: SysRq : Emergency Sync
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