My kernel code is generating this bug below. It does this only when I feed it A LOT of configuration arguments - meaning several thousand. I am not sure where I'd look for the source of the error since the output below tells me little. Anyone has any idea?
Thanks BUG: soft lockup detected on CPU#1! [<c010448a>] dump_trace+0x69/0x1ac [<c01045e4>] show_trace_log_lvl+0x17/0x2b [<c04406e0>] pmap_getport_ops+0xa24/0x5f978 DWARF2 unwinder stuck at pmap_getport_ops+0xa24/0x5f978 Leftover inexact backtrace: [<c0104907>] show_trace+0xf/0x11 [<c010491c>] dump_stack+0x13/0x15 [<c01364dc>] softlockup_tick+0xa7/0xb4 [<c01223c6>] update_process_times+0x39/0x5c [<c010fe39>] smp_apic_timer_interrupt+0x7c/0x94 [<c010e466>] do_flush_tlb_all+0x0/0x59 [<c010404f>] apic_timer_interrupt+0x1f/0x24 [<c010e466>] do_flush_tlb_all+0x0/0x59 [<c010e652>] smp_call_function+0xa4/0xc9 [<c010e466>] do_flush_tlb_all+0x0/0x59 [<c010e466>] do_flush_tlb_all+0x0/0x59 [<c011ef7c>] on_each_cpu+0x16/0x25 [<c010e335>] flush_tlb_all+0x19/0x1b [<c0148bae>] remove_vm_area+0x2c/0x48 [<c0148c0a>] __vunmap+0x40/0xd5 [<f883218a>] get_counters+0xa0/0xae [ip_tables] [<c0215c86>] copy_to_user+0x31/0x47 [<f88324e4>] do_ipt_get_ctl+0x34c/0x435 [ip_tables] [<c01bc8ed>] journal_dirty_metadata+0x1b9/0x1e0 [<c03a5d4f>] nf_sockopt+0x63/0xe1 [<c03a5e12>] nf_getsockopt+0x20/0x25 [<c03af99b>] ip_getsockopt+0x53a/0x569 [<c013c357>] get_page_from_freelist+0x24b/0x2b5 [<c013c41e>] __alloc_pages+0x5d/0x2a5 [<c0145fcc>] find_mergeable_anon_vma+0xa5/0xb4 [<c0148167>] anon_vma_prepare+0x5d/0xa2 [<c0143ec8>] __handle_mm_fault+0x43a/0x7d5 [<c021388e>] rb_insert_color+0x4a/0xad [<c038ee90>] sock_common_getsockopt+0x1c/0x21 [<c038d4ee>] sys_getsockopt+0x61/0x80 [<c038ec85>] sys_socketcall+0x20d/0x242 [<c042081a>] do_page_fault+0x0/0x52a [<c01035cd>] sysenter_past_esp+0x56/0x79 ======================= BUG: soft lockup detected on CPU#0! [<c010448a>] dump_trace+0x69/0x1ac [<c01045e4>] show_trace_log_lvl+0x17/0x2b [<c04406e0>] pmap_getport_ops+0xa24/0x5f978 DWARF2 unwinder stuck at pmap_getport_ops+0xa24/0x5f978 Leftover inexact backtrace: [<c0104907>] show_trace+0xf/0x11 [<c010491c>] dump_stack+0x13/0x15 [<c01364dc>] softlockup_tick+0xa7/0xb4 [<c01223c6>] update_process_times+0x39/0x5c [<c010fe39>] smp_apic_timer_interrupt+0x7c/0x94 [<c010404f>] apic_timer_interrupt+0x1f/0x24 [<c014007b>] kswapd+0xa8/0x3a6 [<c041f075>] __read_lock_failed+0x5/0x10 [<c041f3c4>] _read_lock+0xb/0xc [<c017a869>] get_vmalloc_info+0x59/0xc0 [<c01805e2>] meminfo_read_proc+0xac/0x2ee [<c0180536>] meminfo_read_proc+0x0/0x2ee [<c017e03e>] proc_file_read+0x10c/0x233 [<c017df32>] proc_file_read+0x0/0x233 [<c015322f>] vfs_read+0x87/0x138 [<c0153b1d>] sys_read+0x41/0x67 [<c0103637>] syscall_call+0x7/0xb ======================= ------------------------------------- Jelena Mirkovic Computer Scientist USC Information Sciences Institute 4676 Admiralty Way, Suite 1001 Marina del Rey, CA 90292 310-448-9170 > _______________________________________________ click mailing list [email protected] https://amsterdam.lcs.mit.edu/mailman/listinfo/click
