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Date: Mon, 29 Sep 2008 11:43:08 +0200
From: Ingo Molnar <mingo@...e.hu>
To: Vegard Nossum <vegard.nossum@...il.com>
Cc: Pekka Enberg <penberg@...helsinki.fi>, linux-kernel@...r.kernel.org
Subject: Re: [GIT PULL] kmemcheck fixlets (for -tip)
* Ingo Molnar <mingo@...e.hu> wrote:
> > 2. SLUB debugging was enabled. kmemcheck will not track "debugged"
> > caches, so I suggest turning SLUB off in kernel config, or by
> > booting with "slub_debug=-". But I think that SLUB debug can be
> > turned off in kernel config as well, which means that your
> > randconfig testing will hit both cases eventually.
>
> ok, slub debugging was indeed on. I'll re-test with that disabled.
ok, it crashed with that, see below. Config attached - kernel was latest
tip/master. Let me know if you need more debug info.
Ingo
[ 372.600318] memmap_init+0x0/0xc0 called from 1 returned 0 after 7 msecs
[ 372.600318] pci_mmcfg_late_insert_resources+0x0/0x150 called from 1 returned 0 after 0 msecs
[ 372.600318] tcp_congestion_default+0x0/0x10 called from 1 returned 0 after 0 msecs
[ 372.600318] ip_auto_config+0x0/0xff0 called from 1 returned 0 after 0 msecs
[ 372.600318] ---------------------------------
[ 372.600318] Modules linked in:
[ 372.600318]
[ 372.600318] Pid: 1306, comm: rcu_torture_fak Tainted: G W (2.6.27-rc7-tip-00980-g072062d-dirty #37075) System Product Name
[ 372.600318] EIP: 0060:[<c0123265>] EFLAGS: 00010086 CPU: 0
[ 372.600318] EIP is at math_state_restore+0x15/0xa0
[ 372.600318] EAX: 8005003b EBX: 00000000 ECX: 0000007b EDX: ffffffff
[ 372.600318] ESI: f712d000 EDI: c18dad80 EBP: f712d74c ESP: f712d740
[ 372.600318] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
[ 372.600318] Process rcu_torture_fak (pid: 1306, ti=f712d000 task=f6a8a980 task.ti=f67d5000)
[ 372.600318] Stack: f712d764 018ed000 c18dad80 f712d75c c18dadca ffffffff c27a1880 f712d7b4
[ 372.600318] c18da04f c27a1880 c18d6d54 f6a8a980 018ed000 f7138000 f712d7b4 f6758600
[ 372.600318] 0000007b 0000007b 000000d8 ffffffff c0120f37 00000060 00010046 00000000
[ 372.600318] Call Trace:
[ 372.600318] [<c18dad80>] ? do_device_not_available+0x0/0x70
[ 372.600318] [<c18dadca>] ? do_device_not_available+0x4a/0x70
[ 372.600318] [<c18da04f>] ? error_code+0x77/0x7c
[ 372.600318] [<c18d6d54>] ? schedule+0x3a4/0x910
[ 372.600318] [<c0120f37>] ? __switch_to+0x47/0x220
[ 372.600318] [<c18d6d91>] ? schedule+0x3e1/0x910
[ 372.600318] [<c018e596>] ? trace_hardirqs_on_caller+0x16/0x1a0
[ 372.600318] [<c0b166ec>] ? lbs_process_event+0x3c/0x730
[ 372.600318] [<c0147e00>] ? native_flush_tlb_single+0x0/0x10
[ 372.600318] [<c01220e6>] ? ret_from_exception+0x46/0x5b
[ 372.600318] [<c017e8cf>] ? ktime_get_ts+0x4f/0x60
[ 372.600318] [<c18d730f>] ? io_schedule+0x4f/0x90
[ 372.600318] [<c0214dd9>] ? sync_buffer+0x39/0x40
[ 372.600318] [<c18d782d>] ? __wait_on_bit+0x4d/0x70
[ 372.600318] [<c0214da0>] ? sync_buffer+0x0/0x40
[ 372.600318] [<c0214da0>] ? sync_buffer+0x0/0x40
[ 372.600318] [<c18d78a6>] ? out_of_line_wait_on_bit+0x56/0x70
[ 372.600318] [<c017b240>] ? wake_bit_function+0x0/0x60
[ 372.600318] [<c0214ed8>] ? __wait_on_buffer+0x28/0x30
[ 372.600318] [<c0216187>] ? __bread+0x97/0xc0
[ 372.600318] [<c0292113>] ? ext3_get_branch+0x83/0xf0
[ 372.600318] [<c0293f7e>] ? ext3_get_blocks_handle+0x8e/0xaa0
[ 372.600318] [<c01476e0>] ? native_pgd_val+0x0/0x10
[ 372.600318] [<c0147e08>] ? native_flush_tlb_single+0x8/0x10
[ 372.600318] [<c014fe15>] ? kmemcheck_hide_addr+0x65/0x90
[ 372.600318] [<c0150124>] ? kmemcheck_hide+0x94/0x120
[ 372.600318] [<c01502c7>] ? kmemcheck_trap+0x97/0xe0
[ 372.600318] [<c018e596>] ? trace_hardirqs_on_caller+0x16/0x1a0
[ 372.600318] [<c060e65c>] ? trace_hardirqs_on_thunk+0xc/0x10
[ 372.600318] [<c0147e00>] ? native_flush_tlb_single+0x0/0x10
[ 372.600318] [<c012232a>] ? restore_nocheck_notrace+0x0/0xe
[ 372.600318] [<c0294bd1>] ? ext3_get_block+0x71/0x100
[ 372.600318] [<c021d3ca>] ? do_mpage_readpage+0x1fa/0x770
[ 372.600318] [<c18da801>] ? do_debug+0x41/0x140
[ 372.600318] [<c01230fe>] ? ftrace_call+0x5/0x8
[ 372.600318] [<c18d94f7>] ? _spin_unlock_irq+0x27/0x40
[ 372.600318] [<c01cf6f9>] ? lru_cache_add+0x9/0x60
[ 372.600318] [<c01c6df1>] ? add_to_page_cache_lru+0x31/0x50
[ 372.600318] [<c021da3a>] ? mpage_readpages+0x9a/0xd0
[ 372.600318] [<c0294b60>] ? ext3_get_block+0x0/0x100
[ 372.600318] [<c060e65c>] ? trace_hardirqs_on_thunk+0xc/0x10
[ 372.600318] [<c012232a>] ? restore_nocheck_notrace+0x0/0xe
[ 372.600318] [<c02922e0>] ? ext3_readpages+0x0/0x20
[ 372.600318] [<c02922e0>] ? ext3_readpages+0x0/0x20
[ 372.600318] [<c02922fe>] ? ext3_readpages+0x1e/0x20
[ 372.600318] [<c0294b60>] ? ext3_get_block+0x0/0x100
[ 372.600318] [<c01ceae9>] ? __do_page_cache_readahead+0x189/0x240
[ 372.600318] [<c01cea23>] ? __do_page_cache_readahead+0xc3/0x240
[ 372.600318] [<c01cebf0>] ? do_page_cache_readahead+0x50/0x70
[ 372.600318] [<c01c8485>] ? filemap_fault+0x325/0x440
[ 372.600318] [<c01d7eb0>] ? __do_fault+0x40/0x4e0
[ 372.600318] [<c0147e00>] ? native_flush_tlb_single+0x0/0x10
[ 372.600318] [<c0147e18>] ? paravirt_get_lazy_mode+0x8/0x20
[ 372.600318] [<c01d8dbd>] ? handle_mm_fault+0x14d/0xae0
[ 372.600318] [<c01230fe>] ? ftrace_call+0x5/0x8
[ 372.600318] [<c18dc1da>] ? do_page_fault+0x16a/0x860
[ 372.600318] [<c18dc070>] ? do_page_fault+0x0/0x860
[ 372.600318] [<c18da04f>] ? error_code+0x77/0x7c
[ 372.600318] [<c060ea57>] ? clear_user+0x47/0x60
[ 372.600318] [<c0225774>] ? padzero+0x24/0x30
[ 372.600318] [<c0227df8>] ? load_elf_binary+0x16b8/0x1900
[ 372.600318] [<c01230fe>] ? ftrace_call+0x5/0x8
[ 372.600318] [<c01230fe>] ? ftrace_call+0x5/0x8
[ 372.600318] [<c01476e0>] ? native_pgd_val+0x0/0x10
[ 372.600318] [<c01476e0>] ? native_pgd_val+0x0/0x10
[ 372.600318] [<c01230fe>] ? ftrace_call+0x5/0x8
[ 372.600318] [<c018a76a>] ? print_lock_contention_bug+0x1a/0xe0
[ 372.600318] [<c018a76a>] ? print_lock_contention_bug+0x1a/0xe0
[ 372.600318] [<c0226740>] ? load_elf_binary+0x0/0x1900
[ 372.600318] [<c01f6125>] ? search_binary_handler+0xb5/0x280
[ 372.600318] [<c01f7676>] ? do_execve+0x1b6/0x1f0
[ 372.600318] [<c0120873>] ? sys_execve+0x33/0x60
[ 372.600318] [<c01222d2>] ? syscall_call+0x7/0xb
[ 372.600318] [<c0125e14>] ? kernel_execve+0x24/0x30
[ 372.600318] [<c010128c>] ? run_init_process+0x1c/0x20
[ 372.600318] [<c010135d>] ? init_post+0xcd/0x140
[ 372.600318] [<c01230df>] ? kernel_thread_helper+0x7/0x10
[ 372.600318] =======================
[ 372.600318] Code: e8 b1 40 04 00 c9 c3 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 90 55 89 e5 57 56 53 e8 91 fe ff ff 89 e6 81 e6 00 f0 ff ff 8b 1e <f6> 43 0d 20 75 38 e8 b0 b4 06 00 fb 66 66 66 90 66 66 66 90 90
[ 372.600318] EIP: [<c0123265>] math_state_restore+0x15/0xa0 SS:ESP 0068:f712d740
[ 372.600318] Kernel panic - not syncing: Fatal exception in non-maskable interrupt
[ 372.600318] Pid: 1306, comm: rcu_torture_fak Tainted: G D W 2.6.27-rc7-tip-00980-g072062d-dirty #37075
[ 372.600318] [<c016607b>] panic+0x4b/0x130
[ 372.600318] [<c18da2c7>] oops_end+0xa7/0xd0
[ 372.600318] [<c0123a05>] die+0x55/0x70
[ 372.600318] [<c18dc34d>] do_page_fault+0x2dd/0x860
[ 372.600318] [<c0147e08>] ? native_flush_tlb_single+0x8/0x10
[ 372.600318] [<c014fe15>] ? kmemcheck_hide_addr+0x65/0x90
[ 372.600318] [<c18dc070>] ? do_page_fault+0x0/0x860
[ 372.600318] [<c18da04f>] error_code+0x77/0x7c
[ 372.600318] [<c18dad80>] ? do_device_not_available+0x0/0x70
[ 372.600318] [<c0123265>] ? math_state_restore+0x15/0xa0
[ 372.600318] [<c18dad80>] ? do_device_not_available+0x0/0x70
[ 372.600318] [<c18dadca>] do_device_not_available+0x4a/0x70
[ 372.600318] [<c18da04f>] error_code+0x77/0x7c
[ 372.600318] [<c18d6d54>] ? schedule+0x3a4/0x910
[ 372.600318] [<c0120f37>] ? __switch_to+0x47/0x220
[ 372.600318] [<c18d6d91>] schedule+0x3e1/0x910
[ 372.600318] [<c018e596>] ? trace_hardirqs_on_caller+0x16/0x1a0
[ 372.600318] [<c0b166ec>] ? lbs_process_event+0x3c/0x730
[ 372.600318] [<c0147e00>] ? native_flush_tlb_single+0x0/0x10
[ 372.600318] [<c01220e6>] ? ret_from_exception+0x46/0x5b
[ 372.600318] [<c017e8cf>] ? ktime_get_ts+0x4f/0x60
[ 372.600318] [<c18d730f>] ? io_schedule+0x4f/0x90
[ 372.600318] [<c0214dd9>] ? sync_buffer+0x39/0x40
[ 372.600318] [<c18d782d>] ? __wait_on_bit+0x4d/0x70
[ 372.600318] [<c0214da0>] ? sync_buffer+0x0/0x40
[ 372.600318] [<c0214da0>] ? sync_buffer+0x0/0x40
[ 372.600318] [<c18d78a6>] ? out_of_line_wait_on_bit+0x56/0x70
[ 372.600318] [<c017b240>] ? wake_bit_function+0x0/0x60
[ 372.600318] [<c0214ed8>] ? __wait_on_buffer+0x28/0x30
[ 372.600318] [<c0216187>] ? __bread+0x97/0xc0
[ 372.600318] [<c0292113>] ? ext3_get_branch+0x83/0xf0
[ 372.600318] [<c0293f7e>] ? ext3_get_blocks_handle+0x8e/0xaa0
[ 372.600318] [<c01476e0>] ? native_pgd_val+0x0/0x10
[ 372.600318] [<c0147e08>] ? native_flush_tlb_single+0x8/0x10
[ 372.600318] [<c014fe15>] ? kmemcheck_hide_addr+0x65/0x90
[ 372.600318] [<c0150124>] ? kmemcheck_hide+0x94/0x120
[ 372.600318] [<c01502c7>] ? kmemcheck_trap+0x97/0xe0
[ 372.600318] [<c018e596>] ? trace_hardirqs_on_caller+0x16/0x1a0
[ 372.600318] [<c060e65c>] ? trace_hardirqs_on_thunk+0xc/0x10
[ 372.600318] [<c0147e00>] ? native_flush_tlb_single+0x0/0x10
[ 372.600318] [<c012232a>] ? restore_nocheck_notrace+0x0/0xe
[ 372.600318] [<c0294bd1>] ? ext3_get_block+0x71/0x100
[ 372.600318] [<c021d3ca>] ? do_mpage_readpage+0x1fa/0x770
[ 372.600318] [<c18da801>] ? do_debug+0x41/0x140
[ 372.600318] [<c01230fe>] ? ftrace_call+0x5/0x8
[ 372.600318] [<c18d94f7>] ? _spin_unlock_irq+0x27/0x40
[ 372.600318] [<c01cf6f9>] ? lru_cache_add+0x9/0x60
[ 372.600318] [<c01c6df1>] ? add_to_page_cache_lru+0x31/0x50
[ 372.600318] [<c021da3a>] ? mpage_readpages+0x9a/0xd0
[ 372.600318] [<c0294b60>] ? ext3_get_block+0x0/0x100
[ 372.600318] [<c060e65c>] ? trace_hardirqs_on_thunk+0xc/0x10
[ 372.600318] [<c012232a>] ? restore_nocheck_notrace+0x0/0xe
[ 372.600318] [<c02922e0>] ? ext3_readpages+0x0/0x20
[ 372.600318] [<c02922e0>] ? ext3_readpages+0x0/0x20
[ 372.600318] [<c02922fe>] ? ext3_readpages+0x1e/0x20
[ 372.600318] [<c0294b60>] ? ext3_get_block+0x0/0x100
[ 372.600318] [<c01ceae9>] ? __do_page_cache_readahead+0x189/0x240
[ 372.600318] [<c01cea23>] ? __do_page_cache_readahead+0xc3/0x240
[ 372.600318] [<c01cebf0>] ? do_page_cache_readahead+0x50/0x70
[ 372.600318] [<c01c8485>] ? filemap_fault+0x325/0x440
[ 372.600318] [<c01d7eb0>] ? __do_fault+0x40/0x4e0
[ 372.600318] [<c0147e00>] ? native_flush_tlb_single+0x0/0x10
[ 372.600318] [<c0147e18>] ? paravirt_get_lazy_mode+0x8/0x20
[ 372.600318] [<c01d8dbd>] ? handle_mm_fault+0x14d/0xae0
[ 372.600318] [<c01230fe>] ? ftrace_call+0x5/0x8
[ 372.600318] [<c18dc1da>] ? do_page_fault+0x16a/0x860
[ 372.600318] [<c18dc070>] ? do_page_fault+0x0/0x860
[ 372.600318] [<c18da04f>] ? error_code+0x77/0x7c
[ 372.600318] [<c060ea57>] ? clear_user+0x47/0x60
[ 372.600318] [<c0225774>] ? padzero+0x24/0x30
[ 372.600318] [<c0227df8>] ? load_elf_binary+0x16b8/0x1900
[ 372.600318] [<c01230fe>] ? ftrace_call+0x5/0x8
[ 372.600318] [<c01230fe>] ? ftrace_call+0x5/0x8
[ 372.600318] [<c01476e0>] ? native_pgd_val+0x0/0x10
[ 372.600318] [<c01476e0>] ? native_pgd_val+0x0/0x10
[ 372.600318] [<c01230fe>] ? ftrace_call+0x5/0x8
[ 372.600318] [<c018a76a>] ? print_lock_contention_bug+0x1a/0xe0
[ 372.600318] [<c018a76a>] ? print_lock_contention_bug+0x1a/0xe0
[ 372.600318] [<c0226740>] ? load_elf_binary+0x0/0x1900
[ 372.600318] [<c01f6125>] ? search_binary_handler+0xb5/0x280
[ 372.600318] [<c01f7676>] ? do_execve+0x1b6/0x1f0
[ 372.600318] [<c0120873>] ? sys_execve+0x33/0x60
[ 372.600318] [<c01222d2>] ? syscall_call+0x7/0xb
[ 372.600318] [<c0125e14>] ? kernel_execve+0x24/0x30
[ 372.600318] [<c010128c>] ? run_init_process+0x1c/0x20
[ 372.600318] [<c010135d>] ? init_post+0xcd/0x140
[ 372.600318] [<c01230df>] ? kernel_thread_helper+0x7/0x10
[ 372.600318] =======================
[ 372.600318] ------------[ cut here ]------------
[ 372.600318] WARNING: at kernel/smp.c:331 smp_call_function_mask+0x192/0x1a0()
[ 372.600318] Modules linked in:
[ 372.600318] Pid: 1306, comm: rcu_torture_fak Tainted: G D W 2.6.27-rc7-tip-00980-g072062d-dirty #37075
[ 372.600318] [<c0165d69>] warn_on_slowpath+0x59/0x80
[ 372.600318] [<c01230fe>] ? ftrace_call+0x5/0x8
[ 372.600318] [<c18d9d06>] ? _spin_unlock_irqrestore+0x46/0x70
[ 372.600318] [<c0166773>] ? release_console_sem+0x1d3/0x200
[ 372.600318] [<c0166308>] ? wake_up_klogd+0x8/0x30
[ 372.600318] [<c0166787>] ? release_console_sem+0x1e7/0x200
[ 372.600318] [<c01941e2>] smp_call_function_mask+0x192/0x1a0
[ 372.600318] [<c013da70>] ? stop_this_cpu+0x0/0x70
[ 372.600318] [<c0188afb>] ? trace_hardirqs_off+0xb/0x10
[ 372.600318] [<c18d8033>] ? __mutex_unlock_slowpath+0xc3/0x190
[ 372.600318] [<c18d810d>] ? mutex_unlock+0xd/0x10
[ 372.600318] [<c019f83e>] ? crash_kexec+0x7e/0xd0
[ 372.600318] [<c01230fe>] ? ftrace_call+0x5/0x8
[ 372.600318] [<c18d9d06>] ? _spin_unlock_irqrestore+0x46/0x70
[ 372.600318] [<c0166773>] ? release_console_sem+0x1d3/0x200
[ 372.600318] [<c019420c>] smp_call_function+0x1c/0x20
[ 372.600318] [<c013da13>] native_smp_send_stop+0x23/0x80
[ 372.600318] [<c016608f>] panic+0x5f/0x130
[ 372.600318] [<c18da2c7>] oops_end+0xa7/0xd0
[ 372.600318] [<c0123a05>] die+0x55/0x70
[ 372.600318] [<c18dc34d>] do_page_fault+0x2dd/0x860
[ 372.600318] [<c0147e08>] ? native_flush_tlb_single+0x8/0x10
[ 372.600318] [<c014fe15>] ? kmemcheck_hide_addr+0x65/0x90
[ 372.600318] [<c18dc070>] ? do_page_fault+0x0/0x860
[ 372.600318] [<c18da04f>] error_code+0x77/0x7c
[ 372.600318] [<c18dad80>] ? do_device_not_available+0x0/0x70
[ 372.600318] [<c0123265>] ? math_state_restore+0x15/0xa0
[ 372.600318] [<c18dad80>] ? do_device_not_available+0x0/0x70
[ 372.600318] [<c18dadca>] do_device_not_available+0x4a/0x70
[ 372.600318] [<c18da04f>] error_code+0x77/0x7c
[ 372.600318] [<c18d6d54>] ? schedule+0x3a4/0x910
[ 372.600318] [<c0120f37>] ? __switch_to+0x47/0x220
[ 372.600318] [<c18d6d91>] schedule+0x3e1/0x910
[ 372.600318] [<c018e596>] ? trace_hardirqs_on_caller+0x16/0x1a0
[ 372.600318] [<c0b166ec>] ? lbs_process_event+0x3c/0x730
[ 372.600318] [<c0147e00>] ? native_flush_tlb_single+0x0/0x10
[ 372.600318] [<c01220e6>] ? ret_from_exception+0x46/0x5b
[ 372.600318] [<c017e8cf>] ? ktime_get_ts+0x4f/0x60
[ 372.600318] [<c18d730f>] ? io_schedule+0x4f/0x90
[ 372.600318] [<c0214dd9>] ? sync_buffer+0x39/0x40
[ 372.600318] [<c18d782d>] ? __wait_on_bit+0x4d/0x70
[ 372.600318] [<c0214da0>] ? sync_buffer+0x0/0x40
[ 372.600318] [<c0214da0>] ? sync_buffer+0x0/0x40
[ 372.600318] [<c18d78a6>] ? out_of_line_wait_on_bit+0x56/0x70
[ 372.600318] [<c017b240>] ? wake_bit_function+0x0/0x60
[ 372.600318] [<c0214ed8>] ? __wait_on_buffer+0x28/0x30
[ 372.600318] [<c0216187>] ? __bread+0x97/0xc0
[ 372.600318] [<c0292113>] ? ext3_get_branch+0x83/0xf0
[ 372.600318] [<c0293f7e>] ? ext3_get_blocks_handle+0x8e/0xaa0
[ 372.600318] [<c01476e0>] ? native_pgd_val+0x0/0x10
[ 372.600318] [<c0147e08>] ? native_flush_tlb_single+0x8/0x10
[ 372.600318] [<c014fe15>] ? kmemcheck_hide_addr+0x65/0x90
[ 372.600318] [<c0150124>] ? kmemcheck_hide+0x94/0x120
[ 372.600318] [<c01502c7>] ? kmemcheck_trap+0x97/0xe0
[ 372.600318] [<c018e596>] ? trace_hardirqs_on_caller+0x16/0x1a0
[ 372.600318] [<c060e65c>] ? trace_hardirqs_on_thunk+0xc/0x10
[ 372.600318] [<c0147e00>] ? native_flush_tlb_single+0x0/0x10
[ 372.600318] [<c012232a>] ? restore_nocheck_notrace+0x0/0xe
[ 372.600318] [<c0294bd1>] ? ext3_get_block+0x71/0x100
[ 372.600318] [<c021d3ca>] ? do_mpage_readpage+0x1fa/0x770
[ 372.600318] [<c18da801>] ? do_debug+0x41/0x140
[ 372.600318] [<c01230fe>] ? ftrace_call+0x5/0x8
[ 372.600318] [<c18d94f7>] ? _spin_unlock_irq+0x27/0x40
[ 372.600318] [<c01cf6f9>] ? lru_cache_add+0x9/0x60
[ 372.600318] [<c01c6df1>] ? add_to_page_cache_lru+0x31/0x50
[ 372.600318] [<c021da3a>] ? mpage_readpages+0x9a/0xd0
[ 372.600318] [<c0294b60>] ? ext3_get_block+0x0/0x100
[ 372.600318] [<c060e65c>] ? trace_hardirqs_on_thunk+0xc/0x10
[ 372.600318] [<c012232a>] ? restore_nocheck_notrace+0x0/0xe
[ 372.600318] [<c02922e0>] ? ext3_readpages+0x0/0x20
[ 372.600318] [<c02922e0>] ? ext3_readpages+0x0/0x20
[ 372.600318] [<c02922fe>] ? ext3_readpages+0x1e/0x20
[ 372.600318] [<c0294b60>] ? ext3_get_block+0x0/0x100
[ 372.600318] [<c01ceae9>] ? __do_page_cache_readahead+0x189/0x240
[ 372.600318] [<c01cea23>] ? __do_page_cache_readahead+0xc3/0x240
[ 372.600318] [<c01cebf0>] ? do_page_cache_readahead+0x50/0x70
[ 372.600318] [<c01c8485>] ? filemap_fault+0x325/0x440
[ 372.600318] [<c01d7eb0>] ? __do_fault+0x40/0x4e0
[ 372.600318] [<c0147e00>] ? native_flush_tlb_single+0x0/0x10
[ 372.600318] [<c0147e18>] ? paravirt_get_lazy_mode+0x8/0x20
[ 372.600318] [<c01d8dbd>] ? handle_mm_fault+0x14d/0xae0
[ 372.600318] [<c01230fe>] ? ftrace_call+0x5/0x8
[ 372.600318] [<c18dc1da>] ? do_page_fault+0x16a/0x860
[ 372.600318] [<c18dc070>] ? do_page_fault+0x0/0x860
[ 372.600318] [<c18da04f>] ? error_code+0x77/0x7c
[ 372.600318] [<c060ea57>] ? clear_user+0x47/0x60
[ 372.600318] [<c0225774>] ? padzero+0x24/0x30
[ 372.600318] [<c0227df8>] ? load_elf_binary+0x16b8/0x1900
[ 372.600318] [<c01230fe>] ? ftrace_call+0x5/0x8
[ 372.600318] [<c01230fe>] ? ftrace_call+0x5/0x8
[ 372.600318] [<c01476e0>] ? native_pgd_val+0x0/0x10
[ 372.600318] [<c01476e0>] ? native_pgd_val+0x0/0x10
[ 372.600318] [<c01230fe>] ? ftrace_call+0x5/0x8
[ 372.600318] [<c018a76a>] ? print_lock_contention_bug+0x1a/0xe0
[ 372.600318] [<c018a76a>] ? print_lock_contention_bug+0x1a/0xe0
[ 372.600318] [<c0226740>] ? load_elf_binary+0x0/0x1900
[ 372.600318] [<c01f6125>] ? search_binary_handler+0xb5/0x280
[ 372.600318] [<c01f7676>] ? do_execve+0x1b6/0x1f0
[ 372.600318] [<c0120873>] ? sys_execve+0x33/0x60
[ 372.600318] [<c01222d2>] ? syscall_call+0x7/0xb
[ 372.600318] [<c0125e14>] ? kernel_execve+0x24/0x30
[ 372.600318] [<c010128c>] ? run_init_process+0x1c/0x20
[ 372.600318] [<c010135d>] ? init_post+0xcd/0x140
[ 372.600318] [<c01230df>] ? kernel_thread_helper+0x7/0x10
[ 372.600318] =======================
[ 372.600318] ---[ end trace 6513d562bce649c3 ]---
View attachment "config" of type "text/plain" (88651 bytes)
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