linux-kernel - Re: [3.6.6] panic on reboot / khungtaskd blocked? (WARNING: at arch/x86/kernel/smp.c:123 native_smp_send

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Message-ID: <14708876.P7cyvF6HsA@localhost>
Date:	Mon, 12 Nov 2012 08:16:32 +0100
From:	Paweł Sikora <pawel.sikora@...k.net>
To:	Michael Wang <wangyun@...ux.vnet.ibm.com>
Cc:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	torvalds@...ux-foundation.org, arekm@...-linux.org,
	baggins@...-linux.org
Subject: Re: [3.6.6] panic on reboot / khungtaskd blocked? (WARNING: at arch/x86/kernel/smp.c:123 native_smp_send_reschedule)

On Monday 12 of November 2012 11:04:12 Michael Wang wrote:
> On 11/09/2012 09:48 PM, Paweł Sikora wrote:
> > Hi,
> > 
> > during playing with new ups i've caught an nice oops on reboot:
> > 
> > http://imgbin.org/index.php?page=image&id=10253
> > 
> > probably the upstream is also affected.
> 
> Hi, Paweł
> 
> Are you using a clean 3.6.6 without any modify?

yes, pure 3.6.6 form git tree with modular config.

> Looks like some threads has set itself to be UNINTERRUPTIBLE with out
> any design on switch itself back later(or the time is too long), are you
> accidentally using some bad designed module?

hmm, hard to say. mostly all modules are loaded automatically by kernel.

# lsmod
Module                  Size  Used by
nfsv4                 125022  1 
fuse                   77993  0 
nfsv3                  34273  1 
nfs                   142878  5 nfsv4,nfsv3
fscache                46225  1 nfs
nfsd                  247413  13 
lockd                  76458  3 nfsv3,nfs,nfsd
nfs_acl                12741  2 nfsv3,nfsd
auth_rpcgss            39901  2 nfsv4,nfsd
sunrpc                211604  31 nfsv4,nfsv3,nfs,nfsd,lockd,nfs_acl,auth_rpcgss
ipmi_si                48670  0 
ipmi_devintf           17521  0 
ipmi_msghandler        43715  2 ipmi_si,ipmi_devintf
sch_sfq                21375  2 
iptable_nat            13182  1 
nf_nat                 24649  1 iptable_nat
nf_conntrack_ipv4      14594  3 iptable_nat,nf_nat
nf_conntrack           74130  3 iptable_nat,nf_nat,nf_conntrack_ipv4
nf_defrag_ipv4         12673  1 nf_conntrack_ipv4
iptable_filter         12810  0 
xt_TCPMSS              12707  2 
xt_tcpudp              12603  2 
iptable_mangle         12695  1 
ip_tables              26782  3 iptable_nat,iptable_filter,iptable_mangle
ip6table_filter        12815  0 
ip6_tables             26942  1 ip6table_filter
x_tables               27637  8 iptable_nat,iptable_filter,xt_TCPMSS,xt_tcpudp,iptable_mangle,ip_tables,ip6table_filter,ip6_tables
ext4                  482400  2 
jbd2                   89967  1 ext4
crc16                  12559  1 ext4
raid0                  17188  2 
dm_mod                 77931  0 
autofs4                28341  11 
dummy                  12915  0 
ide_cd_mod             35359  0 
cdrom                  41920  1 ide_cd_mod
ata_generic            12910  0 
pata_acpi              13038  0 
pata_atiixp            13271  0 
ide_pci_generic        12866  0 
igb                   125677  0 
pcspkr                 12718  0 
evdev                  17797  0 
joydev                 17457  0 
sp5100_tco             13697  0 
powernow_k8            18109  1 
freq_table             13743  1 powernow_k8
mperf                  12607  1 powernow_k8
mgag200                38130  1 
amd64_edac_mod         28812  0 
edac_core              56455  2 amd64_edac_mod
kvm_amd                55563  0 
ttm                    75424  1 mgag200
kvm                   406326  1 kvm_amd
drm_kms_helper         44701  1 mgag200
drm                   250914  3 mgag200,ttm,drm_kms_helper
k10temp                13126  0 
hwmon                  12853  1 k10temp
i2c_algo_bit           13257  1 mgag200
sysimgblt              12588  1 mgag200
sysfillrect            12654  1 mgag200
syscopyarea            12445  1 mgag200
microcode              18669  0 
hid_generic            12493  0 
atiixp                 12917  0 
i2c_piix4              13266  0 
dca                    14601  1 igb
ptp                    18413  1 igb
pps_core               13770  1 ptp
edac_mce_amd           22771  1 amd64_edac_mod
ide_core              108021  3 ide_cd_mod,ide_pci_generic,atiixp
i2c_core               28918  5 mgag200,drm_kms_helper,drm,i2c_algo_bit,i2c_piix4
processor              31231  1 powernow_k8
button                 13692  0 
ext3                  220064  1 
jbd                    77423  1 ext3
mbcache                14316  2 ext4,ext3
sd_mod                 44963  16 
crc_t10dif             12483  1 sd_mod
raid1                  35216  1 
md_mod                112433  5 raid0,raid1
ahci                   25731  12 
libahci                26007  1 ahci
libata                195604  5 ata_generic,pata_acpi,pata_atiixp,ahci,libahci
scsi_mod              161576  2 sd_mod,libata
usbhid                 46734  0 
hid                    94508  2 hid_generic,usbhid
ohci_hcd               31595  0 
ehci_hcd               50048  0 
usbcore               173967  4 usbhid,ohci_hcd,ehci_hcd
usb_common             12489  1 usbcore

BR,
Paweł.
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