AnsweredAssumed Answered

Linux booting problem in P4080 based system.

Question asked by AMIT SHAH on Mar 30, 2015
Latest reply on May 22, 2015 by AMIT SHAH

Hi All,


I'm working on P4080 based system with Linux running on it.

I'm facing an issue @ linux boot-up. Please share me your ideas regarding this.


It comes as:


Machine check in kernel mode.

Caused by (from MCSR=8000): Load Error Report

Oops: Machine check, sig: 7 [#1]

SMP NR_CPUS=8 CoreNet Generic

Modules linked in:

CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.12.19-rt30-QorIQ-SDK-V1.6+gc29fe1a #23

task: ee084a30 ti: efbae000 task.ti: ee0a2000

NIP: c01ef070 LR: c01ef060 CTR: 00000000

REGS: efbaff10 TRAP: 0204   Not tainted  (3.12.19-rt30-QorIQ-SDK-V1.6+gc29fe1a)

MSR: 00029002 <CE,EE,ME>  CR: 84844e48  XER: 00000000


GPR00: c01ef01c ee0a3c30 ee084a30 f1049040 c0325214 c03b9ec4 ee1d2ba0 00000fe4

GPR08: 38241215 00000000 f104a278 38241215 84844e88 00000000 c00027f0 00000000

GPR16: 00000000 20000000 00000000 c039222c 00500001 ed010d20 00000002 c02a230c

GPR24: c03b1044 c02a21f0 c0389fb8 ee2810c0 00000000 ee1d6400 00000000 f1048000

NIP [c01ef070] n_tty_open+0x70/0x130

LR [c01ef060] n_tty_open+0x60/0x130

Call Trace:

[ee0a3c30] [c01ef01c] n_tty_open+0x1c/0x130 (unreliable)

[ee0a3c50] [c01f3c1c] tty_ldisc_open.isra.6+0x5c/0xa0

[ee0a3c60] [c01f4544] tty_ldisc_setup+0x24/0xc0

[ee0a3c80] [c01eb698] tty_init_dev+0xb8/0x1e0

[ee0a3ca0] [c01ec3b0] tty_open+0x330/0x680

[ee0a3d00] [c00eaedc] chrdev_open+0xbc/0x1c0

[ee0a3d30] [c00e3dc0] do_dentry_open.isra.15+0x190/0x2b0

[ee0a3d50] [c00e3f0c] finish_open+0x2c/0x60

[ee0a3d60] [c00f504c] do_last.isra.47+0x3fc/0xbe0

[ee0a3dd0] [c00f58e4] path_openat+0xb4/0x640

[ee0a3e30] [c00f6cb0] do_filp_open+0x30/0x90

[ee0a3eb0] [c00e52f8] do_sys_open+0x148/0x280

[ee0a3ef0] [c03558fc] kernel_init_freeable+0x160/0x1d0

[ee0a3f20] [c0002808] kernel_init+0x18/0x170

[ee0a3f40] [c000fca4] ret_from_kernel_thread+0x5c/0x64

Instruction dump:

913f0034 388451f8 4be8e5a9 3c80c032 387f2270 7fc5f378 38845214 4be8e595

93fd01a0 3bc00000 93df2244 387f1040 <893f003d> 38800000 93df0004 38a00200

---[ end trace 91dd2f21b34be299 ]---


Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000007


Rebooting in 180 seconds.





Amit Shah