https://community.nxp.com/t5/i-MX-Processors/imx8mp-crash-during-bootup/m-p/1301554#M176334 <P>HI anyone:</P><P>&nbsp;</P><P>My imx8mp board sometimes fail to bootup, it crash/stop in the kernel. When it stops, it's no error log.</P><P>the enviroment is :</P><P>kernel :5.4.70</P><P>system: yocto-5.4.70</P><P>ddr stress test is ok for over night test.</P><P>I attach some log bellow, the detail log is in the attachment.</P><P>[ 4.772269] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2<BR />[ 4.780889] platform regulatory.0: Falling back to sysfs fallback for: regulatory.db<BR />[ 25.787874] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:<BR />[ 25.793972] rcu: 2-...0: (1 GPs behind) idle=8e6/1/0x4000000000000000 softirq=152/153 fqs=2360<BR />[ 25.802756] (detected by 0, t=5255 jiffies, g=-879, q=17)<BR />[ 25.808240] Task dump for CPU 2:<BR />[ 25.811467] swapper/0 R running task 0 1 0 0x0000002a<BR />[ 25.818516] Call trace:<BR />[ 25.820968] __switch_to+0x108/0x1c0<BR />[ 25.824543] 0xffff80001003bca8</P><P>&nbsp;</P><P>Any help will be appreciative.</P><P>Best regards.</P> Fri, 02 Jul 2021 06:37:09 GMT jiangyaqiang 2021-07-02T06:37:09Z https://community.nxp.com/t5/i-MX-Processors/imx8mp-crash-during-bootup/m-p/1301554#M176334 <P>HI anyone:</P><P>&nbsp;</P><P>My imx8mp board sometimes fail to bootup, it crash/stop in the kernel. When it stops, it's no error log.</P><P>the enviroment is :</P><P>kernel :5.4.70</P><P>system: yocto-5.4.70</P><P>ddr stress test is ok for over night test.</P><P>I attach some log bellow, the detail log is in the attachment.</P><P>[ 4.772269] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2<BR />[ 4.780889] platform regulatory.0: Falling back to sysfs fallback for: regulatory.db<BR />[ 25.787874] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:<BR />[ 25.793972] rcu: 2-...0: (1 GPs behind) idle=8e6/1/0x4000000000000000 softirq=152/153 fqs=2360<BR />[ 25.802756] (detected by 0, t=5255 jiffies, g=-879, q=17)<BR />[ 25.808240] Task dump for CPU 2:<BR />[ 25.811467] swapper/0 R running task 0 1 0 0x0000002a<BR />[ 25.818516] Call trace:<BR />[ 25.820968] __switch_to+0x108/0x1c0<BR />[ 25.824543] 0xffff80001003bca8</P><P>&nbsp;</P><P>Any help will be appreciative.</P><P>Best regards.</P> Fri, 02 Jul 2021 06:37:09 GMT https://community.nxp.com/t5/i-MX-Processors/imx8mp-crash-during-bootup/m-p/1301554#M176334 jiangyaqiang 2021-07-02T06:37:09Z