Sistemul e un Slack 8.1 cu kernel 2.6.7.
Am vazut ca era ceva legat si de mrtg (folosesc cban pentru traficele
mrtg-ului).
Acum problemul:
am gasit un server intepenit cu o consola plina de
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dst cache overflow
printk: 486 messages suppressed
dst cache overflow
printk: 367 messages suppressed
dst cache overflow
printk: 192 messages suppressed
dst cache overflow
printk: 122 messages suppressed
.....
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in syslog:
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Unable to handle kernel paging request at virtual address 00100100
printing eip:
c016a0b3
*pde = 00000000
Oops: 0000 [#1]
PREEMPT SMP
Modules linked in:
CPU: 0
EIP: 0060:[<c016a0b3>] Not tainted
EFLAGS: 00010213 (2.6.7)
EIP is at select_parent+0x57/0xe4
eax: c3f67e28 ebx: 001000d4 ecx: c3f67e18 edx: c4d4e718
esi: 00100100 edi: c3f676d4 ebp: c3f67708 esp: c3823f04
ds: 007b es: 007b ss: 0068
Process mrtg (pid: 25015, threadinfo=c3823000 task=c4e3a250)
Stack: c3f676d4 c0c376f0 c0c376f0 c04f6fc0 00000001 c3f676d4 c016a156 c3f676d4
c3f676d4 c018687b c3f676d4 c3823000 c011df5a c3f676d4 00000000 00006220
c0c376f0 bffff82c c3f676d4 00000000 c011f86a c0c376f0 c4e3a2e8 c0c37790
Call Trace:
[<c016a156>] shrink_dcache_parent+0x16/0x20
[<c018687b>] proc_pid_flush+0xf/0x1c
[<c011df5a>] release_task+0x1da/0x20c
[<c011f86a>] wait_task_zombie+0x1e2/0x200
[<c011fb85>] sys_wait4+0x12d/0x258
[<c0118ff8>] default_wake_function+0x0/0x18
[<c0118ff8>] default_wake_function+0x0/0x18
[<c0104dc7>] syscall_call+0x7/0xb
Code: 8b 76 00 8d 4b 24 39 4b 24 74 17 ff 0d c0 10 46 c0 8b 51 04
<6>note: mrtg[25015] exited with preempt_count 1
Debug: sleeping function called from invalid context at
include/linux/rwsem.h:43
in_atomic():1, irqs_disabled():0
[<c011a677>] __might_sleep+0xa3/0xa8
[<c011d937>] profile_exit_task+0x17/0x4c
[<c011f111>] do_exit+0xa1/0x3f4
[<c01064ae>] die+0xfe/0x100
[<c0115dd8>] do_page_fault+0x360/0x4c8
[<c0115a78>] do_page_fault+0x0/0x4c8
[<c01378b6>] find_get_page+0x2a/0x54
[<c01386f3>] filemap_nopage+0xd7/0x388
[<c01387ca>] filemap_nopage+0x1ae/0x388
[<c0146991>] do_no_page+0xcd/0x388
[<c0146b86>] do_no_page+0x2c2/0x388
[<c01560d5>] invalidate_inode_buffers+0xd/0x7c
[<c0105e0d>] error_code+0x2d/0x40
[<c016a0b3>] select_parent+0x57/0xe4
[<c016a156>] shrink_dcache_parent+0x16/0x20
[<c018687b>] proc_pid_flush+0xf/0x1c
[<c011df5a>] release_task+0x1da/0x20c
[<c011f86a>] wait_task_zombie+0x1e2/0x200
[<c011fb85>] sys_wait4+0x12d/0x258
[<c0118ff8>] default_wake_function+0x0/0x18
[<c0118ff8>] default_wake_function+0x0/0x18
[<c0104dc7>] syscall_call+0x7/0xb
bad: scheduling while atomic!
[<c03acd3c>] schedule+0x4c/0x880
[<c0145182>] zap_pmd_range+0x3a/0x5c
[<c01451e3>] unmap_page_range+0x3f/0x60
[<c0112551>] flush_tlb_mm+0x95/0x98
[<c03ad9a5>] __cond_resched+0x15/0x18
[<c0145390>] unmap_vmas+0x18c/0x288
[<c01492cd>] exit_mmap+0xf5/0x1d4
[<c011adcd>] mmput+0x69/0x80
[<c011f27d>] do_exit+0x20d/0x3f4
[<c01064ae>] die+0xfe/0x100
[<c0115dd8>] do_page_fault+0x360/0x4c8
[<c0115a78>] do_page_fault+0x0/0x4c8
[<c01378b6>] find_get_page+0x2a/0x54
[<c01386f3>] filemap_nopage+0xd7/0x388
[<c01387ca>] filemap_nopage+0x1ae/0x388
[<c0146991>] do_no_page+0xcd/0x388
[<c0146b86>] do_no_page+0x2c2/0x388
[<c01560d5>] invalidate_inode_buffers+0xd/0x7c
[<c0105e0d>] error_code+0x2d/0x40
[<c016a0b3>] select_parent+0x57/0xe4
[<c016a156>] shrink_dcache_parent+0x16/0x20
[<c018687b>] proc_pid_flush+0xf/0x1c
[<c011df5a>] release_task+0x1da/0x20c
[<c011f86a>] wait_task_zombie+0x1e2/0x200
[<c011fb85>] sys_wait4+0x12d/0x258
[<c0118ff8>] default_wake_function+0x0/0x18
[<c0118ff8>] default_wake_function+0x0/0x18
[<c0104dc7>] syscall_call+0x7/0xb
bad: scheduling while atomic!
[<c03acd3c>] schedule+0x4c/0x880
[<c0145182>] zap_pmd_range+0x3a/0x5c
[<c01451e3>] unmap_page_range+0x3f/0x60
[<c0112551>] flush_tlb_mm+0x95/0x98
[<c03ad9a5>] __cond_resched+0x15/0x18
[<c0145390>] unmap_vmas+0x18c/0x288
[<c01492cd>] exit_mmap+0xf5/0x1d4
[<c011adcd>] mmput+0x69/0x80
[<c011f27d>] do_exit+0x20d/0x3f4
[<c01064ae>] die+0xfe/0x100
[<c0115dd8>] do_page_fault+0x360/0x4c8
[<c0115a78>] do_page_fault+0x0/0x4c8
[<c01378b6>] find_get_page+0x2a/0x54
[<c01386f3>] filemap_nopage+0xd7/0x388
[<c01387ca>] filemap_nopage+0x1ae/0x388
[<c0146991>] do_no_page+0xcd/0x388
[<c0146b86>] do_no_page+0x2c2/0x388
[<c01560d5>] invalidate_inode_buffers+0xd/0x7c
[<c0105e0d>] error_code+0x2d/0x40
[<c016a0b3>] select_parent+0x57/0xe4
[<c016a156>] shrink_dcache_parent+0x16/0x20
[<c018687b>] proc_pid_flush+0xf/0x1c
[<c011df5a>] release_task+0x1da/0x20c
[<c011f86a>] wait_task_zombie+0x1e2/0x200
[<c011fb85>] sys_wait4+0x12d/0x258
[<c0118ff8>] default_wake_function+0x0/0x18
[<c0118ff8>] default_wake_function+0x0/0x18
[<c0104dc7>] syscall_call+0x7/0xb
bad: scheduling while atomic!
[<c03acd3c>] schedule+0x4c/0x880
[<c0145182>] zap_pmd_range+0x3a/0x5c
[<c01451e3>] unmap_page_range+0x3f/0x60
[<c0112551>] flush_tlb_mm+0x95/0x98
[<c03ad9a5>] __cond_resched+0x15/0x18
[<c0145390>] unmap_vmas+0x18c/0x288
[<c01492cd>] exit_mmap+0xf5/0x1d4
[<c011adcd>] mmput+0x69/0x80
[<c011f27d>] do_exit+0x20d/0x3f4
[<c01064ae>] die+0xfe/0x100
[<c0115dd8>] do_page_fault+0x360/0x4c8
[<c0115a78>] do_page_fault+0x0/0x4c8
[<c01378b6>] find_get_page+0x2a/0x54
[<c01386f3>] filemap_nopage+0xd7/0x388
[<c01387ca>] filemap_nopage+0x1ae/0x388
[<c0146991>] do_no_page+0xcd/0x388
[<c0146b86>] do_no_page+0x2c2/0x388
[<c01560d5>] invalidate_inode_buffers+0xd/0x7c
[<c0105e0d>] error_code+0x2d/0x40
[<c016a0b3>] select_parent+0x57/0xe4
[<c016a156>] shrink_dcache_parent+0x16/0x20
[<c018687b>] proc_pid_flush+0xf/0x1c
[<c011df5a>] release_task+0x1da/0x20c
[<c011f86a>] wait_task_zombie+0x1e2/0x200
[<c011fb85>] sys_wait4+0x12d/0x258
[<c0118ff8>] default_wake_function+0x0/0x18
[<c0118ff8>] default_wake_function+0x0/0x18
[<c0104dc7>] syscall_call+0x7/0xb
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