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Date: | Thu, 12 Jan 2012 05:11:02 -0800 |
Content-Type: | text/plain |
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On Thu, Jan 12, 2012 at 3:19 AM, Vladimir Mosgalin
<[log in to unmask]> wrote:
> Hello everybody.
>
> After updating from kernel-2.6.32-131.21.1.el6.x86_64 to current
> kernel-2.6.32-220.2.1.el6.x86_64 on SL6.1 system and rebooting, I got
> following warning few minutes after system boot:
>
> ------------[ cut here ]------------
> WARNING: at kernel/sched.c:5914 thread_return+0x232/0x79d() (Not tainted)
> Hardware name: X7SB4/E
> Modules linked in: cryptd aes_x86_64 aes_generic cbc cts ebtable_nat ebtables nfnetlink_queue cpufreq_stats xt_CHECKSUM nfsd exportfs w83793 hwmon_vid coretemp ipmi_devintf ipmi_si ipmi_msghandler nfs fscache nfs_acl rpcsec_gss_krb5 auth_rpcgss des_generic lockd sunrpc cpufreq_ondemand acpi_cpufreq freq_table mperf act_police cls_u32 sch_ingress sch_sfq sch_hfsc ppp_synctty ppp_async crc_ccitt ppp_generic slhc sit tunnel4 bridge stp llc nf_conntrack_netlink nfnetlink nf_conntrack_ftp ipt_LOG ipt_REJECT iptable_filter xt_dscp xt_NFQUEUE iptable_mangle ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_NOTRACK iptable_raw ip_tables ip6t_LOG xt_limit ip6t_REJECT xt_TCPMSS nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter xt_length xt_CLASSIFY xt_mark xt_MARK xt_owner xt_multiport ip6table_mangle ip6_tables ipv6 dm_mirror dm_region_hash dm_log vhost_net macvtap macvlan tun kvm_intel kvm tg3 microcode sg serio_raw i2c_i801 iTCO_wdt iTCO_vendor_support e1000e shpchp i3200_edac edac_core ext4 mbcache jbd2 sd_mod crc_t10dif stex ahci video output radeon ttm drm_kms_helper drm i2c_algo_bit i2c_core dm_mod [last unloaded: scsi_wait_scan]
> Pid: 13, comm: ksoftirqd/2 Not tainted 2.6.32-220.2.1.el6.x86_64 #1
> Call Trace:
> [<ffffffff81069997>] ? warn_slowpath_common+0x87/0xc0
> [<ffffffff810699ea>] ? warn_slowpath_null+0x1a/0x20
> [<ffffffff814eccc5>] ? thread_return+0x232/0x79d
> [<ffffffff81071b35>] ? ksoftirqd+0xd5/0x110
> [<ffffffff81071a60>] ? ksoftirqd+0x0/0x110
> [<ffffffff810906a6>] ? kthread+0x96/0xa0
> [<ffffffff8100c14a>] ? child_rip+0xa/0x20
> [<ffffffff81090610>] ? kthread+0x0/0xa0
> [<ffffffff8100c140>] ? child_rip+0x0/0x20
> ---[ end trace 8029c9a8b796e39a ]---
>
>
> System was working stable for a long time before without such messages
> from kernel. It seems to work fine for now, too. What does this message
> mean, is it something bad?
It is supposed to be a harmless warning according to:
https://bugzilla.redhat.com/show_bug.cgi?id=772926
But may or may not be related to some real issues reported here:
http://bugs.centos.org/view.php?id=5400
Akemi
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