http://bugzilla.kernel.org/show_bug.cgi?id=9961
Summary: Oops with docking and undocking, device after docking
not connected
Product: ACPI
Version: 2.5
KernelVersion: 2.6.25-rc1-00075-g10270d4
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: high
Priority: P1
Component: Config-Hotplug
AssignedTo: [EMAIL PROTECTED]
ReportedBy: [EMAIL PROTECTED]
Latest working kernel version: ~ 2.6.23-rc1
Earliest failing kernel version: ~ 2.6.24-20937-ga4ffc0a
Distribution: debian testing
Hardware Environment: IBM ThinkPad A21m + ThinkPad Dock II
Software Environment:
Problem Description: After docking and undocking I get oops in the attachment.
After docking devices on dock not displayed in lspci tree.
Steps to reproduce: dock or undock laptop
dmesg - kernel log messages
acpiphp_glue: bus exists... trim
acpiphp_glue: acpi_bus_trim return 0
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.DOCK._PRT]
BUG: unable to handle kernel NULL pointer dereference at 00000000
IP: [<c0233eb4>] pdev_sort_resources+0x94/0x140
*pde = 00000000
Oops: 0000 [#1]
Modules linked in: thermal fan processor pcmcia firmware_class irtty_sir
sir_dev nsc_ircc irda crc_ccitt pcspkr uhci_hcd snd_cs46xx snd_seq_midi
snd_rawmidi snd_ac97_codec ac97_bus e100 yenta_socket rsrc_nonstatic
pcmcia_core button ac battery acpiphp dock pci_hotplug thinkpad_acpi hwmon rtc
Pid: 61, comm: kacpi_notify Not tainted (2.6.25-rc1-00075-g10270d4 #137)
EIP: 0060:[<c0233eb4>] EFLAGS: 00010246 CPU: 0
EIP is at pdev_sort_resources+0x94/0x140
EAX: 00000000 EBX: c79238c4 ECX: 00000000 EDX: 00000fff
ESI: 00000000 EDI: 00000007 EBP: c78f5e80 ESP: c78f5e20
DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068
Process kacpi_notify (pid: 61, ti=c78f4000 task=c78e9aa0 task.ti=c78f4000)
Stack: c78119e0 00000001 c0246025 01000000 000003e5 c03f9bec c045cd08 00000000
c79238e0 c78f5e80 c7923800 c7923800 c78e0814 c78e0800 c78f5e80 c03d235d
c0258efb c78cd000 00000000 c78f5e98 c026284d 00000008 c7831734 c7923808
Call Trace:
[<c0246025>] acpi_os_signal_semaphore+0x42/0x54
[<c03d235d>] pci_bus_assign_resources+0x3d/0x3c0
[<c0258efb>] acpi_get_parent+0x63/0x6c
[<c026284d>] acpi_bus_scan+0x6c/0x17b
[<c8876ce3>] acpiphp_enable_slot+0x203/0x490 [acpiphp]
[<c88770f4>] handle_hotplug_event_func+0x94/0x1a0 [acpiphp]
[<c0256ead>] acpi_evaluate_object+0x225/0x230
[<c03d8c0c>] __mutex_lock_slowpath+0xcc/0x180
[<c8877060>] handle_hotplug_event_func+0x0/0x1a0 [acpiphp]
[<c883621f>] hotplug_dock_devices+0x35/0xe1 [dock]
[<c0246076>] acpi_os_execute_deferred+0x0/0x25
[<c0246076>] acpi_os_execute_deferred+0x0/0x25
[<c8836531>] dock_notify+0x72/0xb8 [dock]
[<c024c509>] acpi_ev_notify_dispatch+0x49/0x52
[<c0246093>] acpi_os_execute_deferred+0x1d/0x25
[<c012694b>] run_workqueue+0x8b/0x110
[<c01299a0>] autoremove_wake_function+0x0/0x40
[<c01270ba>] worker_thread+0x7a/0xd0
[<c01299a0>] autoremove_wake_function+0x0/0x40
[<c0127040>] worker_thread+0x0/0xd0
[<c0129622>] kthread+0x42/0x70
[<c01295e0>] kthread+0x0/0x70
[<c010428b>] kernel_thread_helper+0x7/0x1c
=======================
Code: 00 00 8b 6c 24 24 40 83 ff 06 0f 4e c8 89 6c 24 1c eb 14 8d 74 26 00 8b
42 04 8b 2a 40 29 e8 39 c8 72 35 89 74 24 1c 8b 44 24 1c <8b> 30 31 c0 85 f6 74
ec 8b 56 04 8b 46 08 89 d5 05 74 01 00 00
EIP: [<c0233eb4>] pdev_sort_resources+0x94/0x140 SS:ESP 0068:c78f5e20
---[ end trace 14b1defe2e8ac1cc ]---
usb 1-1: new full speed USB device using uhci_hcd and address 3
usb 1-1: new full speed USB device using uhci_hcd and address 4
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