Hi,
After updating to 6.2 I see the following error on two different
systems:
Both servers are running as KVM hypvervisor with multiple linux guests.
System 1)
Jan 12 00:30:35 kvm-001 kernel: ------------[ cut here ]------------
Jan 12 00:30:35 kvm-001 kernel: WARNING: at kernel/sched.c:5914
thread_return+0x232/0x79d() (Not tainted)
Jan 12 00:30:35 kvm-001 kernel: Hardware name: IBM System x3550
-[7978C2G]-
Jan 12 00:30:35 kvm-001 kernel: Modules linked in: ebtable_nat ebtables
sunrpc bridge stp llc ipt_REJECT nf_conntrack_ipv4 nf_defrag_ipv4
iptable_filter ip_tables ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6
xt_state nf_conntrack ip6table_filter ip6_tables ipv6 vhost_net macvtap
macvlan tun kvm_intel kvm bnx2 ses enclosure ibmpex ibmaem
ipmi_msghandler ics932s401 sg serio_raw i2c_i801 iTCO_wdt
iTCO_vendor_support i5000_edac edac_core i5k_amb ioatdma dca shpchp ext4
mbcache jbd2 sd_mod crc_t10dif sr_mod cdrom aacraid pata_acpi
ata_generic ata_piix radeon ttm drm_kms_helper drm i2c_algo_bit i2c_core
dm_mod [last unloaded: scsi_wait_scan]
Jan 12 00:30:35 kvm-001 kernel: Pid: 1572, comm: qemu-kvm Not tainted
2.6.32-220.2.1.el6.x86_64 #1
Jan 12 00:30:35 kvm-001 kernel: Call Trace:
Jan 12 00:30:35 kvm-001 kernel: [<ffffffff81069997>] ?
warn_slowpath_common+0x87/0xc0
Jan 12 00:30:35 kvm-001 kernel: [<ffffffff810699ea>] ?
warn_slowpath_null+0x1a/0x20
Jan 12 00:30:35 kvm-001 kernel: [<ffffffff814eccc5>] ?
thread_return+0x232/0x79d
Jan 12 00:30:35 kvm-001 kernel: [<ffffffffa0354889>] ?
vmx_vcpu_load+0x89/0x130 [kvm_intel]
Jan 12 00:30:35 kvm-001 kernel: [<ffffffffa0352106>] ?
__vmx_load_host_state+0xe6/0x100 [kvm_intel]
Jan 12 00:30:35 kvm-001 kernel: [<ffffffffa02f3dd5>] ?
kvm_vcpu_block+0x75/0xc0 [kvm]
Jan 12 00:30:35 kvm-001 kernel: [<ffffffff81090a10>] ?
autoremove_wake_function+0x0/0x40
Jan 12 00:30:35 kvm-001 kernel: [<ffffffffa03079fc>] ?
kvm_arch_vcpu_ioctl_run+0x49c/0xf10 [kvm]
Jan 12 00:30:35 kvm-001 kernel: [<ffffffffa02f1322>] ?
kvm_vcpu_ioctl+0x522/0x670 [kvm]
Jan 12 00:30:35 kvm-001 kernel: [<ffffffff8105e782>] ?
default_wake_function+0x12/0x20
Jan 12 00:30:35 kvm-001 kernel: [<ffffffff8118b966>] ?
pollwake+0x56/0x60
Jan 12 00:30:35 kvm-001 kernel: [<ffffffff8105e770>] ?
default_wake_function+0x0/0x20
Jan 12 00:30:35 kvm-001 kernel: [<ffffffff8104c969>] ?
__wake_up_common+0x59/0x90
Jan 12 00:30:35 kvm-001 kernel: [<ffffffff81053200>] ?
__dequeue_entity+0x30/0x50
Jan 12 00:30:35 kvm-001 kernel: [<ffffffff81189162>] ?
vfs_ioctl+0x22/0xa0
Jan 12 00:30:35 kvm-001 kernel: [<ffffffff8104c9d8>] ?
__wake_up_locked_key+0x18/0x20
Jan 12 00:30:35 kvm-001 kernel: [<ffffffff811bc673>] ?
eventfd_write+0x193/0x1d0
Jan 12 00:30:35 kvm-001 kernel: [<ffffffff8118962a>] ?
do_vfs_ioctl+0x3aa/0x580
Jan 12 00:30:35 kvm-001 kernel: [<ffffffff810a54ab>] ?
sys_futex+0x7b/0x170
Jan 12 00:30:35 kvm-001 kernel: [<ffffffff81189881>] ?
sys_ioctl+0x81/0xa0
Jan 12 00:30:35 kvm-001 kernel: [<ffffffff8100b0f2>] ?
system_call_fastpath+0x16/0x1b
Jan 12 00:30:35 kvm-001 kernel: ---[ end trace 4b636dcb9348f551 ]---
System 2)
Jan 11 23:36:47 kvm-002 kernel: ------------[ cut here ]------------
Jan 11 23:36:47 kvm-002 kernel: WARNING: at kernel/sched.c:5914
thread_return+0x232/0x79d() (Not tainted)
Jan 11 23:36:47 kvm-002 kernel: Hardware name: IBM System x3550
-[7978C2G]-
Jan 11 23:36:47 kvm-002 kernel: Modules linked in: ipmi_si ipmi_devintf
ebtable_nat ebtables sunrpc bridge stp llc ipt_REJECT nf_conntrack_ipv4
nf_defrag_ipv4 iptable_filter ip_tables ip6t_REJECT nf_conntrack_ipv6
nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables ipv6
vhost_net macvtap macvlan tun kvm_intel kvm bnx2 ses enclosure ibmpex
ibmaem ipmi_msghandler ics932s401 i2c_i801 serio_raw sg iTCO_wdt
iTCO_vendor_support i5000_edac edac_core i5k_amb ioatdma dca shpchp ext4
mbcache jbd2 sd_mod crc_t10dif sr_mod cdrom aacraid pata_acpi
ata_generic ata_piix radeon ttm drm_kms_helper drm i2c_algo_bit i2c_core
dm_mod [last unloaded: scsi_wait_scan]
Jan 11 23:36:47 kvm-002 kernel: Pid: 1772, comm: kvm-pit-wq Not tainted
2.6.32-220.2.1.el6.x86_64 #1
Jan 11 23:36:47 kvm-002 kernel: Call Trace:
Jan 11 23:36:47 kvm-002 kernel: [<ffffffff81069997>] ?
warn_slowpath_common+0x87/0xc0
Jan 11 23:36:47 kvm-002 kernel: [<ffffffff810699ea>] ?
warn_slowpath_null+0x1a/0x20
Jan 11 23:36:47 kvm-002 kernel: [<ffffffff814eccc5>] ?
thread_return+0x232/0x79d
Jan 11 23:36:47 kvm-002 kernel: [<ffffffff81090cfe>] ?
prepare_to_wait+0x4e/0x80
Jan 11 23:36:47 kvm-002 kernel: [<ffffffffa031bbe0>] ?
pit_do_work+0x0/0xf0 [kvm]
Jan 11 23:36:47 kvm-002 kernel: [<ffffffff8108b15c>] ?
worker_thread+0x1fc/0x2a0
Jan 11 23:36:47 kvm-002 kernel: [<ffffffff81090a10>] ?
autoremove_wake_function+0x0/0x40
Jan 11 23:36:47 kvm-002 kernel: [<ffffffff8108af60>] ?
worker_thread+0x0/0x2a0
Jan 11 23:36:47 kvm-002 kernel: [<ffffffff810906a6>] ?
kthread+0x96/0xa0
Jan 11 23:36:47 kvm-002 kernel: [<ffffffff8100c14a>] ?
child_rip+0xa/0x20
Jan 11 23:36:47 kvm-002 kernel: [<ffffffff81090610>] ? kthread+0x0/0xa0
Jan 11 23:36:47 kvm-002 kernel: [<ffffffff8100c140>] ?
child_rip+0x0/0x20
Jan 11 23:36:47 kvm-002 kernel: ---[ end trace 1d94fe6e30260f41 ]---
Any ideas?
Thanks.
Best regards,
Morten
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