Messages in this thread | | | Date | Fri, 5 Jan 2007 14:19:41 +0100 (CET) | From | Jiri Kosina <> | Subject | ACPI bay - 2.6.20-rc3-mm1 hangs on boot |
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Hi,
2.6.20-rc3-mm1 hangs on boot on my IBM T42p when compiled with ACPI_BAY=y. Below is the trace of two BUGs I get.
When compiled with ACPI_BAY=n, it boots fine.
The traces are hand-rewritten (no serial console on that machine), so I have omitted the code offsets in the stacktraces.
ACPI: ACPI Dock Station Driver ACPI: \_SB_PCI0.IDE0.SCND.MSTR: found ejectable bay ACPI: \_SB_PCI0.IDE0.SCND.MSTR: Adding notify handler PM: Adding info for platform:bay.0 ACPI: Bay [\_SB_.PCI0.IDE0.SCND.MSTR] Added BUG: at lib/kref.c:32 kref_get() kref_get+0x34/0x3b kobject_get+0xf/0x13 get_bus+0xe/0x1d bus_add_driver+0x13/0x165 init_waitqueue_head+0x12/0x1e bay_init+0x57/0x79 find_bay+0x0/0x2c4 init+0x88/0x16d restore_nocheck+0x12/0x15 init+0x0/0x16d init+0x0/0x16d kernel_thread_helper+0x7/0x10 ========== BUG: at lib/kref.c:32 kref_get() kref_get+0x34/0x3b kobject_get+0xf/0x13 kobject_init+0x5d/0x70 kobject_set_name+0x5c/0x92 bus_add_driver+0x50/0x79 bay_init+0x57/0x79 find_bay+0x0/0x2c4 init+0x88/0x16d init+0x88/0x16d kernel_thread_helper+0x7/0x10 =========
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