BUG() during suspend to disk (2.6.21-rc2, x86_64)

[Vivek Goyal]

Hi,

I see following BUG() on serial console while hibernating on a x86_64
machine. I am using 2.6.21-rc2 kernel.


BUG: at arch/x86_64/kernel/acpi/sleep.c:70 init_low_mapping()

Call Trace:
 [<ffffffff80214b9a>] acpi_save_state_mem+0x70/0xd6
 [<ffffffff8036e90e>] acpi_pm_enter+0x23/0xc1
 [<ffffffff8024eec4>] pm_suspend_disk+0x1ac/0x228
 [<ffffffff8024dc9b>] enter_state+0x50/0x1e6
 [<ffffffff8036ecce>] acpi_system_write_sleep+0x5c/0x79
 [<ffffffff8027b767>] vfs_write+0xad/0x136
 [<ffffffff8027bca4>] sys_write+0x45/0x6e
 [<ffffffff80209bbe>] system_call+0x7e/0x83

Thanks
Vivek

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