NMI Watchdog detected LOCKUP while freeing memory by shrinking memory zones.
Issue
- Kernel panic with following call traces:
NMI Watchdog detected LOCKUP, CPU=7, registers:
CPU 7
Modules linked in: mptctl mptbase sg ipmi_devintf ipmi_si ipmi_msghandler md5 ipv6 parport_pc lp parport autofs4 nfs lockd nfs_acl sunrpc ide_dump cciss_dump scsi_dump diskdump zlib_deflate joydev button battery ac ohci_hcd ehci_hcd uhci_hcd shpchp tg3 bond0(U) bnx2 dm_snapshot dm_zero dm_mirror ext3 jbd dm_mod qla2322 qla2xxx scsi_transport_fc cciss sd_mod scsi_mod
Pid: 3384, comm: automount Tainted: G M 2.6.9-42.0.3.ELsmp
RIP: 0010:[<ffffffff8030b4ae>] <ffffffff8030b4ae>{.text.lock.spinlock+46}
RSP: 0018:0000011032cf5ad8 EFLAGS: 00000086
RAX: 0000000000000000 RBX: 000001000004b800 RCX: ffffffff8051ae20
RDX: 0000000000000000 RSI: 00000106a3e776a8 RDI: 000001000004b800
RBP: 000001104ed1d9b8 R08: 0000011032cf4000 R09: 0000000000000001
R10: dead4ead00000001 R11: 0000000000000202 R12: 000001000004b780
R13: 0000000000000020 R14: 0000011032cf5d28 R15: 0000011032cf5db8
FS: 0000002a96877480(0000) GS:ffffffff804e5500(0000) knlGS:00000000f73f6bb0
CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 0000002ab952b000 CR3: 0000000014090000 CR4: 00000000000006e0
Process automount (pid: 3384, threadinfo 0000011032cf4000, task 00000110414a7030)
Stack: 0000011032cf5c98 ffffffff801656c2 0000000000000000 ffffffff00000020
0000002000000020 00000000000021a2 000000000000228e 0000000000000246
0000000168d10b10 0000000000000246
Call Trace:<ffffffff801656c2>{shrink_zone+3970} <ffffffff80165941>{try_to_free_pages+303}
<ffffffff8015dfbb>{__alloc_pages+527} <ffffffff8015e145>{__get_free_pages+11}
<ffffffff8018b3d7>{__pollwait+58} <ffffffff80184dc8>{pipe_poll+47}
<ffffffff8018beb2>{sys_poll+471} <ffffffff8018b39d>{__pollwait+0}
<ffffffff8011026a>{system_call+126}
Code: 83 3b 00 7e f9 e9 91 fd ff ff f3 90 83 3b 00 7e f9 e9 cf fd
Kernel panic - not syncing: nmi watchdog
----------- [cut here ] --------- [please bite here ] ---------
Kernel BUG at panic:75
invalid operand: 0000 [1] SMP
CPU 7
Modules linked in: mptctl mptbase sg ipmi_devintf ipmi_si ipmi_msghandler md5 ipv6 parport_pc lp parport autofs4 nfs lockd nfs_acl sunrpc ide_dump cciss_dump scsi_dump diskdump zlib_deflate joydev button battery ac ohci_hcd ehci_hcd uhci_hcd shpchp tg3 bond0(U) bnx2 dm_snapshot dm_zero dm_mirror ext3 jbd dm_mod qla2322 qla2xxx scsi_transport_fc cciss sd_mod scsi_mod
Pid: 3384, comm: automount Tainted: G M 2.6.9-42.0.3.ELsmp
RIP: 0010:[<ffffffff8013794e>] <ffffffff8013794e>{panic+211}
RSP: 0018:0000010014093da8 EFLAGS: 00010086
RAX: 000000000000002c RBX: ffffffff8031e07c RCX: 0000000000000046
RDX: 000000000002a45c RSI: 0000000000000046 RDI: ffffffff803e2000
RBP: 0000010014093f58 R08: 0000000000000001 R09: ffffffff8031e07c
R10: 0000000000000000 R11: 0000ffff803fcd00 R12: 000001000004b780
R13: 0000000000000020 R14: 0000011032cf5d28 R15: 0000011032cf5db8
FS: 0000002a96877480(0000) GS:ffffffff804e5500(0000) knlGS:00000000f73f6bb0
CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 0000002ab952b000 CR3: 0000000014090000 CR4: 00000000000006e0
Process automount (pid: 3384, threadinfo 0000011032cf4000, task 00000110414a7030)
Stack: 0000003000000008 0000010014093e88 0000010014093dc8 0000000000000013
0000000000000000 0000000000000046 000000000002a430 0000000000000046
0000000000000001 ffffffff803205f7
Call Trace:<ffffffff80111860>{show_stack+241} <ffffffff8011198a>{show_registers+277}
<ffffffff80111c91>{die_nmi+130} <ffffffff8011d055>{nmi_watchdog_tick+210}
<ffffffff8011255e>{default_do_nmi+112} <ffffffff8011d10b>{do_nmi+115}
<ffffffff80111173>{paranoid_exit+0} <ffffffff8030b4ae>{.text.lock.spinlock+46}
<EOE> <ffffffff801656c2>{shrink_zone+3970}
<ffffffff80165941>{try_to_free_pages+303} <ffffffff8015dfbb>{__alloc_pages+527}
<ffffffff8015e145>{__get_free_pages+11} <ffffffff8018b3d7>{__pollwait+58}
<ffffffff80184dc8>{pipe_poll+47} <ffffffff8018beb2>{sys_poll+471}
<ffffffff8018b39d>{__pollwait+0} <ffffffff8011026a>{system_call+126}
Code: 0f 0b fc e5 31 80 ff ff ff ff 4b 00 31 ff e8 17 c0 fe ff e8
RIP <ffffffff8013794e>{panic+211} RSP <0000010014093da8>
Environment
- Red Hat Enterprise Linux 4
- kernel-2.6.9-42.0.3.ELsmp
- kernel-2.6.9-55.0.17.ELlargesmp
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