On Sun, 2020-03-29 at 21:39 +0800, kernel test robot wrote: > EXTERNAL EMAIL: Do not click links or open attachments unless you > know the content is safe > > Greetings, > > 0day kernel testing robot got the below dmesg and the first bad > commit is > > https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git > staging-next > > commit b276527539188f1f61c082ebef27803db93e536d > Author: Christian Gromm <christian.gromm@xxxxxxxxxxxxx> > AuthorDate: Tue Mar 10 14:02:40 2020 +0100 > Commit: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > CommitDate: Tue Mar 24 13:42:44 2020 +0100 > > staging: most: move core files out of the staging area > > This patch moves the core module to the /drivers/most directory > and makes all necessary changes in order to not break the build. > > Signed-off-by: Christian Gromm <christian.gromm@xxxxxxxxxxxxx> > Link: > https://lore.kernel.org/r/1583845362-26707-2-git-send-email-christian.gromm@xxxxxxxxxxxxx > Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > > 22dd4acc80 Staging: speakup: Add identifier name to function > declaration arguments. > b276527539 staging: most: move core files out of the staging area > e681bb287f staging: vt6656: Use DIV_ROUND_UP macro instead of > specific code > +-------------------------------------------------------+---------- > --+------------+------------+ > > | 22dd4acc80 > > | b276527539 | e681bb287f | > +-------------------------------------------------------+---------- > --+------------+------------+ > > boot_successes | > > 26 | 0 | 0 | > > boot_failures | > > 8 | 11 | 11 | > > WARNING:possible_circular_locking_dependency_detected | > > 8 | | | > > BUG:kernel_NULL_pointer_dereference,address | > > 0 | 11 | 11 | > > Oops:#[##] | > > 0 | 11 | 11 | > > EIP:__list_add_valid | > > 0 | 11 | 11 | > > Kernel_panic-not_syncing:Fatal_exception | > > 0 | 11 | 11 | > +-------------------------------------------------------+---------- > --+------------+------------+ > > If you fix the issue, kindly add following tag > Reported-by: kernel test robot <lkp@xxxxxxxxx> > > [ 12.242090] no options. > [ 12.245364] FPGA DOWNLOAD ---> > [ 12.245723] FPGA image file name: xlinx_fpga_firmware.bit > [ 12.246548] GPIO INIT FAIL!! > [ 12.246995] most_sound: init() > [ 12.247349] BUG: kernel NULL pointer dereference, address: The init order of the modules is wrong in case the driver is being built in-tree. The init function of module most_sound is called before the core itself is being initialized. [ 5.179189] most_sound: init() [ 5.180205] mostcore: __init() Hence the list used in the core to store and track the registered components has not been initialized with INIT_LIST_HEAD(&comp_list) by the time the sound module tries to register itself with the core. The Kconfig of most_sound, however, has a dependency to MOST. How can the build system be forced to initialize the core module first? thanks, Chris _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
