[CentOS] Centso 6.2 bug ?

Sun Jan 22 13:08:33 UTC 2012
Riccardo Veraldi <Riccardo.Veraldi at cnaf.infn.it>

Hello,
is anyone experiencing this ?
I have a sympa process (bulk.pl) which triggers this bug:

------------[ cut here ]------------
WARNING: at kernel/sched.c:5914 thread_return+0x232/0x79d() (Not tainted)
Hardware name: X8DTU-LN4+
Modules linked in: cpufreq_ondemand acpi_cpufreq freq_table mperf 
ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack 
ip6table_filter ip6_tables ipv6 microcode serio_raw i2c_i801 i2c_core 
iTCO_wdt iTCO_vendor_support igb ioatdma dca i7core_edac edac_core sg 
ext4 mbcache jbd2 sr_mod cdrom sd_mod crc_t10dif usb_storage pata_acpi 
ata_generic ata_piix sata_mv dm_mirror dm_region_hash dm_log dm_mod 
[last unloaded: scsi_wait_scan]
Pid: 2241, comm: bulk.pl 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
  [<ffffffff810958e3>] ? __hrtimer_start_range_ns+0x1a3/0x460
  [<ffffffff814ee5db>] ? do_nanosleep+0x8b/0xc0
  [<ffffffff81095da4>] ? hrtimer_nanosleep+0xc4/0x180
  [<ffffffff81094b70>] ? hrtimer_wakeup+0x0/0x30
  [<ffffffff81095bd4>] ? hrtimer_start_range_ns+0x14/0x20
  [<ffffffff81095ed4>] ? sys_nanosleep+0x74/0x80
  [<ffffffff8100b0f2>] ? system_call_fastpath+


thank you

Rick