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

Michael Wang
2012-11-12T07:41:00Z

On 11/12/2012 03:16 PM, Paweł Sikora wrote:
> 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.

Could you please provide the whole dmesg in text? your picture lost the
print info of the hung task.

And please try the latest kernel, the issue may already solved(if it is
a issue...).

Regards,
Michael Wang

>
> # 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.
>