Description of problem: BUG: soft lockup detected on CPU#1 when loading the ips kernel module. The machine does recover from the problem. Version-Release number of selected component (if applicable): IBM PCI ServeRAID 7.12.05 Build 761 How reproducible: Every reboot. Steps to Reproduce: 1. Boot the machine. Actual results: input: ImExPS/2 Generic Explorer Mouse as /class/input/input1 BUG: soft lockup detected on CPU#1! [<c04050ef>] dump_trace+0x69/0x1af [<c040524d>] show_trace_log_lvl+0x18/0x2c [<c0405800>] show_trace+0xf/0x11 [<c04058fa>] dump_stack+0x15/0x17 [<c044b779>] softlockup_tick+0xad/0xc4 [<c042ea75>] update_process_times+0x39/0x5c [<c0418912>] smp_apic_timer_interrupt+0x5b/0x61 [<c04049f3>] apic_timer_interrupt+0x1f/0x24 DWARF2 unwinder stuck at apic_timer_interrupt+0x1f/0x24 Leftover inexact backtrace: [<c04e6c7d>] delay_tsc+0x9/0x13 [<c04e6cb0>] __delay+0x6/0x7 [<f886e6f7>] ips_init_morpheus+0x7c/0x2d1 [ips] [<c04eac7e>] pci_bus_read_config_byte+0x57/0x61 [<f886b667>] ips_reset_morpheus+0x89/0xc5 [ips] [<c0408da6>] dma_alloc_coherent+0xb1/0xec [<f886daa1>] ips_insert_device+0x79c/0x848 [ips] [<c0550f57>] __driver_attach+0x0/0x8f [<c04eeacf>] pci_device_probe+0x36/0x57 [<c0550e91>] driver_probe_device+0x45/0x9a [<c0550fbc>] __driver_attach+0x65/0x8f [<c0550916>] bus_for_each_dev+0x37/0x59 [<c0550df2>] driver_attach+0x16/0x18 [<c0550f57>] __driver_attach+0x0/0x8f [<c055060e>] bus_add_driver+0x6f/0x10d [<c04eec01>] __pci_register_driver+0x49/0x63 [<f8802016>] ips_module_init+0x16/0x158 [ips] [<c043f5f9>] sys_init_module+0x17cc/0x1965 [<c046f2fa>] __fput+0x15e/0x188 [<c0403f33>] syscall_call+0x7/0xb ======================= scsi0 : IBM PCI ServeRAID 7.12.05 Build 761 <ServeRAID 6i> Expected results: No soft lockup detected.
*** This bug has been marked as a duplicate of 196437 ***