On 02/05/2012 11:13 PM, devendra rawat wrote: > > Hi All, > > I am having a PPC system running Windriver linux. System is restarting > because of watchdog. > System was restated because no scheduling took place for 15.7 seconds. I > want to figure out which function/ISR/routine > was the kernel executing when this softlockup happened and at what place > was the execution going. The NIP (next instruction pointer) reg. is not > giving the > symbol name as the "switch" module that created the problem was > dynamically loaded. > Can anybody help in figuring out the exact routine that may be behind > the lockup. > > I am getting the following OOPS. > > > > cpu0: jiffies: 1903983223, hrtime: 16746998586843980, 15756 ms between > scheduler_tick() calls > 31/12/1969 EST 19:00:00, BUG: soft lockup detected on CPU#0! > 31/12/1969 EST 19:00:00, NIP: C0041FAC LR: C0042320 SP: C71AFB10 REGS: > c71afa60 TRAP: 0901 Tainted: P > 31/12/1969 EST 19:00:00, MSR: 00009032 EE: 1 PR: 0 FP: 0 ME: 1 IR/DR: 11 > 31/12/1969 EST 19:00:00, TASK = cef2c880[1224] 'switch' THREAD: c71ae000 > 31/12/1969 EST 19:00:00, Last syscall: 54 > 31/12/1969 EST 19:00:00, > 31/12/1969 EST 19:00:00, GPR00: > 31/12/1969 EST 19:00:00, C017D5E4 > 31/12/1969 EST 19:00:00, C71AFB10 > 31/12/1969 EST 19:00:00, CEF2C880 > 31/12/1969 EST 19:00:00, 00000020 > 31/12/1969 EST 19:00:00, C71AFC20 > 31/12/1969 EST 19:00:00, D04C7F80 > 31/12/1969 EST 19:00:00, C036A774 > 31/12/1969 EST 19:00:00, 0000001C > 31/12/1969 EST 19:00:00, > 31/12/1969 EST 19:00:00, GPR08: > 31/12/1969 EST 19:00:00, C036BF48 > 31/12/1969 EST 19:00:00, 00000000 > 31/12/1969 EST 19:00:00, 0000F10C > 31/12/1969 EST 19:00:00, 00000000 > 31/12/1969 EST 19:00:00, 2410C042 > 31/12/1969 EST 19:00:00, > 31/12/1969 EST 19:00:00, NIP [c0041fac] > 31/12/1969 EST 19:00:00, handle_IRQ_event+0x254/0x4d4 > 31/12/1969 EST 19:00:00, LR [c0042320] > 31/12/1969 EST 19:00:00, __do_IRQ+0xf4/0x164 > 31/12/1969 EST 19:00:00, Call trace > 31/12/1969 EST 19:00:00, > 31/12/1969 EST 19:00:00, [c0042320] > 31/12/1969 EST 19:00:00, __do_IRQ+0xf4/0x16 > 31/12/1969 EST 19:00:00, > 31/12/1969 EST 19:00:00, [c0006c64] > 31/12/1969 EST 19:00:00, do_IRQ+0x54/0x10 > 31/12/1969 EST 19:00:00, > 31/12/1969 EST 19:00:00, [c0005214] > 31/12/1969 EST 19:00:00, ret_from_except+0x0/0x1 > 31/12/1969 EST 19:00:00, > 31/12/1969 EST 19:00:00, [e10cbc7c] > 31/12/1969 EST 19:00:00, bcm_bsa_request+0x189c/0x4140 [bcm5690 > 31/12/1969 EST 19:00:00, > 31/12/1969 EST 19:00:00, [e10d09a8] > 31/12/1969 EST 19:00:00, bcm_ioctl+0x144/0x480 [bcm5690 > 31/12/1969 EST 19:00:00, > 31/12/1969 EST 19:00:00, [c0087764] > 31/12/1969 EST 19:00:00, do_ioctl+0x68/0x9 > 31/12/1969 EST 19:00:00, > 31/12/1969 EST 19:00:00, [c0087850] > 31/12/1969 EST 19:00:00, vfs_ioctl+0xb8/0x40 > 31/12/1969 EST 19:00:00, > 31/12/1969 EST 19:00:00, [c0087e00] > 31/12/1969 EST 19:00:00, sys_ioctl+0x268/0x38 > 31/12/1969 EST 19:00:00, > 31/12/1969 EST 19:00:00, [c0004a1c] > 31/12/1969 EST 19:00:00, DoSyscall_no_dpa_entry+0x74/0x9 > > /*****************************/ > > Thanks in advance. > Devendra. > > It could be getting stuck in the ioctl bcm_ioctl->bcm_bsa_request+0x189c -Fredrick > > > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies@xxxxxxxxxxxxxxxxx > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
