From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ashish_Kumar_Mishra Date: Wed, 4 Jan 2017 05:31:25 -0800 (PST) Subject: [Buildroot] Kernel Panic with BB Black + buildroot-2016.11.1 Message-ID: <1483536685380-153942.post@n4.nabble.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net Hi All , I updated my build root setup from buildroot-2016.05 to buildroot-2016.11.1 . I was having an working build with buildroot-2016.05. Could team members provide some pointers as to how could i debug & figure the cause of this panic. *The defconfig is :*- ~/my_virtual_project/release_branch_v2 :: cat defconfig BR2_arm=y BR2_cortex_a8=y BR2_TOOLCHAIN_EXTERNAL=y BR2_LINUX_KERNEL=y BR2_LINUX_KERNEL_DEFCONFIG="omap2plus" BR2_LINUX_KERNEL_DTS_SUPPORT=y BR2_LINUX_KERNEL_INTREE_DTS_NAME="am335x-boneblack" BR2_TARGET_UBOOT=y BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y BR2_TARGET_UBOOT_BOARD_DEFCONFIG="am335x_boneblack" # BR2_TARGET_UBOOT_FORMAT_BIN is not set BR2_TARGET_UBOOT_FORMAT_IMG=y BR2_TARGET_UBOOT_SPL=y BR2_TARGET_UBOOT_SPL_NAME="MLO" *The kernel panic log is :-* 1.566617] Initializing XFRM netlink socket [ 1.571450] NET: Registered protocol family 10 [ 1.583204] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver [ 1.591864] NET: Registered protocol family 17 [ 1.596769] NET: Registered protocol family 15 [ 1.601786] Key type dns_resolver registered [ 1.606505] omap_voltage_late_init: Voltage driver support not added [ 1.613212] sr_dev_init: No voltage domain specified for smartreflex0. Cannot initialize [ 1.621671] sr_dev_init: No voltage domain specified for smartreflex1. Cannot initialize [ 1.630866] ThumbEE CPU extension supported. [ 1.635453] Registering SWP/SWPB emulation handler [ 1.640457] SmartReflex Class3 initialized [ 1.685305] mmc0: host does not support reading read-only switch, assuming write-enable [ 1.698976] random: fast init done [ 1.703692] mmc0: new high speed SDHC card at address aaaa [ 1.715542] mmc1: new high speed MMC card at address 0001 [ 1.723510] mmcblk0: mmc0:aaaa SS08G 7.40 GiB [ 1.732286] mmcblk1: mmc1:0001 MMC02G 1.79 GiB [ 1.743154] mmcblk1boot0: mmc1:0001 MMC02G partition 1 1.00 MiB [ 1.750241] mmcblk0: p1 p2 [ 1.763843] mmcblk1boot1: mmc1:0001 MMC02G partition 2 1.00 MiB [ 1.772490] tps65217 0-0024: TPS65217 ID 0xe version 1.2 [ 1.779223] omap_i2c 44e0b000.i2c: bus 0 rev0.11 at 400 kHz [ 1.795263] omap_i2c 4819c000.i2c: bus 2 rev0.11 at 100 kHz [ 1.802850] hctosys: unable to open rtc device (rtc0) [ 1.808139] sr_init: No PMIC hook to init smartreflex [ 1.813726] sr_init: platform driver register failed for SR [ 1.849014] List of all partitions: [ 1.853024] 0100 16384 ram0 (driver?) [ 1.857873] 0101 16384 ram1 (driver?) [ 1.862797] 0102 16384 ram2 (driver?) [ 1.867631] 0103 16384 ram3 (driver?) [ 1.872472] 0104 16384 ram4 (driver?) [ 1.877353] 0105 16384 ram5 (driver?) [ 1.882190] 0106 16384 ram6 (driver?) [ 1.887065] 0107 16384 ram7 (driver?) [ 1.891898] 0108 16384 ram8 (driver?) [ 1.896779] 0109 16384 ram9 (driver?) [ 1.901616] 010a 16384 ram10 (driver?) [ 1.906576] 010b 16384 ram11 (driver?) [ 1.911503] 010c 16384 ram12 (driver?) [ 1.916457] 010d 16384 ram13 (driver?) [ 1.921383] 010e 16384 ram14 (driver?) [ 1.926339] 010f 16384 ram15 (driver?) [ 1.931281] b300 7761920 mmcblk0 driver: mmcblk [ 1.936875] b301 72261 mmcblk0p1 4448733f-01 [ 1.942432] b302 7688635 mmcblk0p2 4448733f-02 [ 1.948014] b308 1875968 mmcblk1 driver: mmcblk [ 1.953607] b318 1024 mmcblk1boot1 (driver?) [ 1.959168] b310 1024 mmcblk1boot0 (driver?) [ 1.964747] No filesystem could mount root, tried: ext4 [ 1.970308] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(179,1) [ 1.979256] ---[ end Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(179,1) [ 131.712714] random: crng init done -- View this message in context: http://buildroot-busybox.2317881.n4.nabble.com/Kernel-Panic-with-BB-Black-buildroot-2016-11-1-tp153942.html Sent from the Buildroot (busybox) mailing list archive at Nabble.com.