Adding Rafael. >-----Original Message----- >From: Li, Shaohua >Sent: Thursday, June 02, 2011 8:25 PM >To: Moore, Robert; Lin, Ming M >Cc: linux acpi >Subject: [BUG report] lockdep deadlock warning in shutdown > >running 3.0-rc1, shutting down my system triggers a lockdep deadlock >warning. > >The deadlock warning is triggered when executing >acpi_hw_clear_acpi_status, stack trace is something like: >... >__lock_acquire >?acpi_os_acquire_lock >lock_acquire >?acpi_os_acquire_lock >?_raw_spin_lock_irqsave >?acpi_hw_enable_runtime_gpe_block >_raw_spin_lock_irqsave >?acpi_os_acquire_lock >?acpi-hw_write >acpi_os_acquire_lock >acpi_ev_walk_gpe_list >acpi_hw_clear_acpi_status >acpi_enter_sleep_state >... >I wrote it down by hand since this is shutdown, no way to get the log. >also since the screen scrolls fast, I didn't catch another code path the >locks are taken which lockdep prints out. > >Thanks, >Shaohua -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
