Re: NFC depmod dependecy cycles

[Daniel Wagner <wagi@monom.org>]

On 09/02/2014 10:23 AM, Daniel Wagner wrote:
> Hi Samuel,
> 
> I just tried 3.17-rc3 and run into this problem:
> 
> # make modules_install
> 
>   DEPMOD  3.17.0-rc3-00002-g7505cea
> depmod: WARNING: found 6 modules in dependency cycles!
> depmod: WARNING:
> /lib/modules/3.17.0-rc3-00002-g7505cea/kernel/drivers/nfc/st21nfcb/st21nfcb.ko
> in dependency cycle!
> depmod: WARNING:
> /lib/modules/3.17.0-rc3-00002-g7505cea/kernel/drivers/nfc/st21nfcb/ndlc.ko
> in dependency cycle!
> depmod: WARNING:
> /lib/modules/3.17.0-rc3-00002-g7505cea/kernel/net/rfkill/rfkill.ko in
> dependency cycle!
> depmod: WARNING:
> /lib/modules/3.17.0-rc3-00002-g7505cea/kernel/net/nfc/nfc.ko in
> dependency cycle!
> depmod: WARNING:
> /lib/modules/3.17.0-rc3-00002-g7505cea/kernel/net/nfc/nci/nci.ko in
> dependency cycle!
> depmod: WARNING:
> /lib/modules/3.17.0-rc3-00002-g7505cea/kernel/lib/crc-ccitt.ko in
> dependency cycle!
> ./scripts/depmod.sh: line 57: 23387 Segmentation fault      (core
> dumped) "$DEPMOD" "$@" "$KERNELRELEASE" $SYMBOL_PREFIX
> make: *** [_modinst_post] Error 139
> 
> 
> After disabling the whole NFC subsystem depmod was happy again.

Forgot to add my configuration:

CONFIG_NFC=m
CONFIG_NFC_DIGITAL=m
CONFIG_NFC_NCI=m
CONFIG_NFC_NCI_SPI=y
CONFIG_NFC_HCI=m
CONFIG_NFC_SHDLC=y

#
# Near Field Communication (NFC) devices
#
CONFIG_NFC_PN533=m
CONFIG_NFC_WILINK=m
CONFIG_NFC_TRF7970A=m
CONFIG_NFC_MEI_PHY=m
CONFIG_NFC_SIM=m
CONFIG_NFC_PORT100=m
CONFIG_NFC_PN544=m
CONFIG_NFC_PN544_I2C=m
CONFIG_NFC_PN544_MEI=m
CONFIG_NFC_MICROREAD=m
CONFIG_NFC_MICROREAD_I2C=m
CONFIG_NFC_MICROREAD_MEI=m
CONFIG_NFC_MRVL=m
CONFIG_NFC_MRVL_USB=m
CONFIG_NFC_ST21NFCA=m
CONFIG_NFC_ST21NFCA_I2C=m
CONFIG_NFC_ST21NFCB=m
CONFIG_NFC_ST21NFCB_I2C=m

cheers,
daniel