Just ran into the same problem on a 2.6.30-2-amd64 system
Lots of these
Apr 7 23:49:50 node28 kernel: [24133.424830] BUG: soft lockup - CPU#5
stuck for 61s! [java:1255]
Apr 7 23:49:50 node28 kernel: [24133.424834] Modules linked in: loop
snd_pcsp snd_pcm snd_timer snd soundcore i2c_nforce2 joydev button
snd_page_alloc i2c_core evdev processor serio_raw ext4 mbcache jbd2
crc16 sg sr_mod cdrom sd_mod crc_t10dif ide_pci_generic ata_generic
usbhid hid sata_nv libata ohci_hcd forcedeth scsi_mod amd74xx ide_core
ehci_hcd thermal fan thermal_sys [last unloaded: scsi_wait_scan]
Apr 7 23:49:50 node28 kernel: [24133.424834] CPU 5:
Apr 7 23:49:50 node28 kernel: [24133.424834] Modules linked in: loop
snd_pcsp snd_pcm snd_timer snd soundcore i2c_nforce2 joydev button
snd_page_alloc i2c_core evdev processor serio_raw ext4 mbcache jbd2
crc16 sg sr_mod cdrom sd_mod crc_t10dif ide_pci_generic ata_generic
usbhid hid sata_nv libata ohci_hcd forcedeth scsi_mod amd74xx ide_core
ehci_hcd thermal fan thermal_sys [last unloaded: scsi_wait_scan]
Apr 7 23:49:50 node28 kernel: [24133.424834] Pid: 1255, comm: java Not
tainted 2.6.30-2-amd64 #1 H8DMU
Apr 7 23:49:50 node28 kernel: [24133.424834] RIP:
0010:[<ffffffff804b5ae1>] [<ffffffff804b5ae1>] _spin_lock+0x15/0x1b
Apr 7 23:49:50 node28 kernel: [24133.424834] RSP: 0018:ffff880393cbdda0
EFLAGS: 00000202
Apr 7 23:49:50 node28 kernel: [24133.424834] RAX: 000000000000db2d RBX:
ffffffff807782c0 RCX: 00000000f470fb29
Apr 7 23:49:50 node28 kernel: [24133.424834] RDX: 000000000000db2e RSI:
00000000104a544b RDI: ffffffff807782c0
Apr 7 23:49:50 node28 kernel: [24133.424834] RBP: ffffffff802105ce R08:
00000000601e6830 R09: 000000002403e8c3
Apr 7 23:49:50 node28 kernel: [24133.424834] R10: 0000000000000000 R11:
0000000000000206 R12: ffffc2000007b0c0
Apr 7 23:49:50 node28 kernel: [24133.424834] R13: ffff880308dec8b0 R14:
0000000000000005 R15: ffff880308dec8b0
Apr 7 23:49:50 node28 kernel: [24133.424834] FS:
00007fb223590910(0000) GS:ffffc20000069000(0000) knlGS:0000000000000000
Apr 7 23:49:50 node28 kernel: [24133.424834] CS: 0010 DS: 0000 ES:
0000 CR0: 000000008005003b
Apr 7 23:49:50 node28 kernel: [24133.424834] CR2: 00007fb232369000 CR3:
00000002e9e53000 CR4: 00000000000006e0
Apr 7 23:49:50 node28 kernel: [24133.424834] DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
Apr 7 23:49:50 node28 kernel: [24133.424834] DR3: 0000000000000000 DR6:
00000000ffff0ff0 DR7: 0000000000000400
Apr 7 23:49:50 node28 kernel: [24133.424834] Call Trace:
Apr 7 23:49:50 node28 kernel: [24133.424834] [<ffffffff80260272>] ?
futex_wake+0x58/0xda
Apr 7 23:49:50 node28 kernel: [24133.424834] [<ffffffff802613fc>] ?
do_futex+0xa9/0x8c8
Apr 7 23:49:50 node28 kernel: [24133.424834] [<ffffffff8020e5fa>] ?
__switch_to+0xff/0x263
Apr 7 23:49:50 node28 kernel: [24133.424834] [<ffffffff803503a2>] ?
rb_erase+0x1be/0x285
Apr 7 23:49:50 node28 kernel: [24133.424834] [<ffffffff804b465c>] ?
thread_return+0x3e/0xb1
Apr 7 23:49:50 node28 kernel: [24133.424834] [<ffffffff80261d19>] ?
sys_futex+0xfe/0x11c
Apr 7 23:49:50 node28 kernel: [24133.424834] [<ffffffff80215d6a>] ?
native_sched_clock+0x2e/0x5b
Apr 7 23:49:50 node28 kernel: [24133.424834] [<ffffffff80215d9c>] ?
sched_clock+0x5/0x8
Apr 7 23:49:50 node28 kernel: [24133.424834] [<ffffffff8020fa42>] ?
system_call_fastpath+0x16/0x1b
Can't currently move to 2.6.32 because of #572201 - is it worth trying
that patch? Will there be any further updates to 2.6.30?
-stephen
--
Stephen Mulcahy Atlantic Linux http://www.atlanticlinux.ie
Registered in Ireland, no. 376591 (144 Ros Caoin, Roscam, Galway)
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