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Date:	Mon, 12 Jan 2015 10:33:08 +0800
From:	Huang Ying <ying.huang@...el.com>
To:	Oded Gabbay <oded.gabbay@....com>
Cc:	LKML <linux-kernel@...r.kernel.org>, LKP ML <lkp@...org>
Subject: [LKP] [drm/radeon] 38c2adfb00d: Fixed kernel panic

FYI, we noticed the below changes on

commit 38c2adfb00db045a876dd667040abc01b788ad61 ("drm/radeon: Init amdkfd only if it was compiled")

The original kernel panic caused by radeon init is fixed!  Thanks!

testbox/testcase/testparams: vm-vp-quantal-i386/boot/1

68d0cb49f8db5ddc  38c2adfb00db045a876dd66704  
----------------  --------------------------  
       fail:runs  %reproduction    fail:runs
           |             |             |    
           :10         100%          10:10    kmsg.dummy-irq:no_IRQ_given.Use_irq=N
           :10         100%          10:10    kmsg.mk712:device_not_present
           :10         100%          10:10    kmsg.wistron_btns:System_unknown
           :10         100%          10:10    kmsg.ideapad_slidebar:DMI_does_not_match
           :10         100%          10:10    kmsg.i2c-parport-light:adapter_type_unspecified
           :10         100%          10:10    kmsg.i2c_i2c-#:detect_fail:address_match
           :10         100%          10:10    kmsg.pc87360:PC8736x_not_detected,module_not_inserted
           :10         100%          10:10    kmsg.sch56xx_common:Unsupported_device_id
           :10         100%          10:10    kmsg.acquirewdt:I/O_address#already_in_use
           :10         100%          10:10    kmsg.wafer5823wdt:I/O_address#already_in_use
           :10         100%          10:10    kmsg.i6300esb:cannot_register_miscdev_on_minor=#(err=-#)
           :10         100%          10:10    kmsg.pc87413_wdt:cannot_register_miscdev_on_minor=#(err=-#)
           :10         100%          10:10    kmsg.sbc60xxwdt:I/O_address#already_in_use
           :10         100%          10:10    kmsg.sbc8360:failed_to_register_misc_device
           :10         100%          10:10    kmsg.sbc7240_wdt:I/O_address#already_in_use
           :10         100%          10:10    kmsg.cpu5wdt:misc_register_failed
           :10         100%          10:10    kmsg.w83877f_wdt:I/O_address#already_in_use
           :10         100%          10:10    kmsg.sbc_epx_c3:cannot_register_miscdev_on_minor=#(err=-#)
           :10         100%          10:10    kmsg.Driver'mmcblk'needs_updating-please_use_bus_type_methods
           :10         100%          10:10    kmsg.vme_user:No_cards,skipping_registration
           :10         100%          10:10    kmsg.dell_wmi:No_known_WMI_GUID_found
           :10         100%          10:10    kmsg.dell_wmi_aio:No_known_WMI_GUID_found
           :10         100%          10:10    kmsg.acer_wmi:No_or_unsupported_WMI_interface,unable_to_load
           :10         100%          10:10    kmsg.acerhdf:error_getting_hardware_information
           :10         100%          10:10    kmsg.alienware_wmi:alienware-wmi:No_known_WMI_GUID_found
           :10         100%          10:10    kmsg.fmc_fake-design-for-testing-f001:Driver_has_no_ID:matches_all
           :10         100%          10:10    kmsg.fmc_write_eeprom_fake-design-for-testing-f001:fmc_write_eeprom:no_busid_passed,refusing_all_cards
           :10         100%          10:10    kmsg.intel_rapl:no_valid_rapl_domains_found_in_package
         10:10        -100%            :10    kmsg.BUG:unable_to_handle_kernel
         10:10        -100%            :10    kmsg.Oops
         10:10        -100%            :10    kmsg.Kernel_panic-not_syncing:Fatal_exception
         10:10        -100%            :10    kmsg.Kernel_Offset:#from#(relocation_range:#-#)
         10:10        -100%            :10    dmesg.BUG:unable_to_handle_kernel
         10:10        -100%            :10    dmesg.Oops
         10:10        -100%            :10    dmesg.Kernel_panic-not_syncing:Fatal_exception

testbox/testcase/testparams: vm-kbuild-yocto-i386/boot/1

68d0cb49f8db5ddc  38c2adfb00db045a876dd66704  
----------------  --------------------------  
           :10         100%          10:10    kmsg.dummy-irq:no_IRQ_given.Use_irq=N
           :10         100%          10:10    kmsg.dummy-irq:no_IRQ_given.Use_irq=N
           :10         100%          10:10    kmsg.wistron_btns:System_unknown
           :10         100%          10:10    kmsg.i2c-parport-light:adapter_type_unspecified
           :10         100%          10:10    kmsg.i2c-parport-light:adapter_type_unspecified
           :10         100%          10:10    kmsg.pc87360:PC8736x_not_detected,module_not_inserted
           :10         100%          10:10    kmsg.sch56xx_common:Unsupported_device_id
           :10         100%          10:10    kmsg.i6300esb:cannot_register_miscdev_on_minor=#(err=-#)
           :10         100%          10:10    kmsg.pc87413_wdt:cannot_register_miscdev_on_minor=#(err=-#)
           :10         100%          10:10    kmsg.sbc60xxwdt:I/O_address#already_in_use
           :10         100%          10:10    kmsg.sbc8360:failed_to_register_misc_device
           :10         100%          10:10    kmsg.sbc7240_wdt:I/O_address#already_in_use
           :10         100%          10:10    kmsg.cpu5wdt:misc_register_failed
           :10         100%          10:10    kmsg.w83877f_wdt:I/O_address#already_in_use
           :10         100%          10:10    kmsg.sbc_epx_c3:cannot_register_miscdev_on_minor=#(err=-#)
           :10         100%          10:10    kmsg.dell_wmi:No_known_WMI_GUID_found
           :10         100%          10:10    kmsg.dell_wmi_aio:No_known_WMI_GUID_found
           :10         100%          10:10    kmsg.acer_wmi:No_or_unsupported_WMI_interface,unable_to_load
           :10         100%          10:10    kmsg.acerhdf:error_getting_hardware_information
           :10         100%          10:10    kmsg.alienware_wmi:alienware-wmi:No_known_WMI_GUID_found
           :10         100%          10:10    kmsg.alienware_wmi:alienware-wmi:No_known_WMI_GUID_found
           :10         100%          10:10    kmsg.fmc_fake-design-for-testing-f001:Driver_has_no_ID:matches_all
           :10         100%          10:10    kmsg.fmc_fake-design-for-testing-f001:Driver_has_no_ID:matches_all
           :10         100%          10:10    kmsg.fmc_write_eeprom_fake-design-for-testing-f001:fmc_write_eeprom:no_busid_passed,refusing_all_cards
           :10         100%          10:10    kmsg.fmc_write_eeprom_fake-design-for-testing-f001:fmc_write_eeprom:no_busid_passed,refusing_all_cards
         10:10        -100%            :10    kmsg.BUG:unable_to_handle_kernel
         10:10        -100%            :10    kmsg.BUG:unable_to_handle_kernel
         10:10        -100%            :10    kmsg.Oops
         10:10        -100%            :10    kmsg.Oops
         10:10        -100%            :10    kmsg.Kernel_panic-not_syncing:Fatal_exception
         10:10        -100%            :10    kmsg.Kernel_panic-not_syncing:Fatal_exception
         10:10        -100%            :10    kmsg.Kernel_Offset:#from#(relocation_range:#-#)
         10:10        -100%            :10    kmsg.Kernel_Offset:#from#(relocation_range:#-#)
         10:10        -100%            :10    dmesg.BUG:unable_to_handle_kernel
         10:10        -100%            :10    dmesg.BUG:unable_to_handle_kernel
         10:10        -100%            :10    dmesg.Oops
         10:10        -100%            :10    dmesg.Oops
         10:10        -100%            :10    dmesg.Kernel_panic-not_syncing:Fatal_exception
         10:10        -100%            :10    dmesg.Kernel_panic-not_syncing:Fatal_exception
           :10         100%          10:10    kmsg.drm/i810_does_not_support_SMP
           :10         100%          10:10    kmsg.nandsim]warning:read_byte:unexpected_data_output_cycle,state_is_STATE_READY_return
           :10         100%          10:10    kmsg.nandsim]warning:read_byte:unexpected_data_output_cycle,state_is_STATE_READY_return
           :10         100%          10:10    kmsg.ks0108:ERROR:parport_didn't_register_new_device
           :10         100%          10:10    kmsg.cfag12864b:ERROR:ks0108_is_not_initialized
           :10         100%          10:10    kmsg.cfag12864bfb:ERROR:cfag12864b_is_not_initialized
           :10         100%          10:10    kmsg.pps_parport:couldn't_register_with_parport0
           :10         100%          10:10    kmsg.applesmc:supported_laptop_not_found
           :10         100%          10:10    kmsg.applesmc:driver_init_failed(ret=-#)
           :10         100%          10:10    kmsg.vmap_allocation_for_size#failed:use_vmalloc=<size>to_increase_size
           :10         100%          10:10    kmsg.null):enodev_DEV_ADDR=#xFF
           :10         100%          10:10    kmsg.toshiba_acpi:Unable_to_create_proc_dir_toshiba
           :10         100%          10:10    kmsg.mce:Unable_to_init_device/dev/mcelog(rc:-#)
           :10         100%          10:10    kmsg.mce:Unable_to_init_device/dev/mcelog(rc:-#)
           :10         100%          10:10    kmsg.Starting_Bootlog_daemon:bootlogd:cannot_allocate_pseudo_tty:No_such_file_or_directory
           :10         100%          10:10    kmsg.no_ifx_modem_active
           :10          10%           1:10    kmsg.APIC_calibration_not_consistent_with_PM-Timer:#ms_instead_of#ms
           :10         100%          10:10    kmsg.Failed_to_add_WC_MTRR_for[#-#];performance_may_suffer
           :10         100%          10:10    kmsg.mtdoops:mtd_device(mtddev=name/number)must_be_supplied
           :10         100%          10:10    kmsg.Warning!fusbh200_hcd_should_always_be_loaded_before_uhci_hcd_and_ohci_hcd,not_after
           :10         100%          10:10    kmsg.rtc(null):invalid_alarm_value
           :10         100%          10:10    kmsg.intel_powerclamp:Intel_powerclamp_does_not_run_on_family#model
           :10         100%          10:10    kmsg.geodewdt:No_timers_were_available
           :10         100%          10:10    kmsg.sc1200wdt:io_parameter_must_be_specified
           :10         100%          10:10    kmsg.acerhdf:unknown(unsupported)BIOS_version_Bochs/Bochs/Bochs,please_report,aborting
           :10         100%          10:10    kmsg.msi_wmi:This_machine_doesn't_have_neither_MSI-hotkeys_nor_backlight_through_WMI
           :10         100%          10:10    kmsg.ALSA:seq_oss:can't_register_device_seq
           :10         100%          10:10    kmsg.rcu-torture:Free-Block_Circulation

vm-vp-quantal-i386: qemu-system-i386 -enable-kvm -cpu Haswell,+smep,+smap
Memory: 360M

vm-kbuild-yocto-i386: qemu-system-i386 -enable-kvm
Memory: 320M


Disclaimer:
Results have been estimated based on internal Intel analysis and are provided
for informational purposes only. Any difference in system hardware or software
design or configuration may affect actual performance.


Thanks,
Huang, Ying


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