BUG: scheduling while atomic: swapper/0/0/0x00000100

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TORA_cs
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Joined: 2018/04/18 09:31:07

BUG: scheduling while atomic: swapper/0/0/0x00000100

Post by TORA_cs » 2018/04/20 01:14:42

Hi all

An issue (like unstable accesses to servers and services are down) occurred on a server after the following error was output in "/var/log/messages".
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Apr 18 13:20:21 hostname01 kernel: BUG: scheduling while atomic: swapper/0/0/0x00000100
Apr 18 13:20:21 hostname01 kernel: Modules linked in: tcp_lp bnep bluetooth rfkill fuse xt_CHECKSUM ipt_MASQUERADE nf_nat_masquerade_ipv4 tun ip6t_rpfilter ip6t_REJECT ipt_REJECT xt_conntrack ebtable_nat ebtable_broute bridge stp llc ebtable_filter ebtables ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw ip6table_filter ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw iptable_filter vmw_vsock_vmci_transport vsock coretemp crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper ablk_helper cryptd ppdev pcspkr vmw_vmci vmw_balloon sg parport_pc parport shpchp i2c_piix4 nfsd auth_rpcgss nfs_acl lockd grace sunrpc ip_tables xfs libcrc32c sr_mod sd_mod cdrom crc_t10dif crct10dif_generic
Apr 18 13:20:21 hostname01 kernel: ata_generic pata_acpi crct10dif_pclmul crct10dif_common crc32c_intel serio_raw vmwgfx drm_kms_helper ttm vmxnet3 drm ata_piix mptspi scsi_transport_spi mptscsih libata mptbase i2c_core floppy dm_mirror dm_region_hash dm_log dm_mod
Apr 18 13:20:21 hostname01 kernel: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.10.0-327.el7.x86_64 #1
Apr 18 13:20:21 hostname01 kernel: Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 09/21/2015
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The issue was solved by rebooting OS.
I would like to know meaning of the error and the solution in order to avoid the issue will occurre next time.

■Environment Information ----------------
OSver:CentOS Linux release 7.2.1511
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avij
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Re: BUG: scheduling while atomic: swapper/0/0/0x00000100

Post by avij » 2018/04/20 06:43:46

That kernel is more than two years old. See if a newer kernel works better. Try yum update.

TORA_cs
Posts: 4
Joined: 2018/04/18 09:31:07

Re: BUG: scheduling while atomic: swapper/0/0/0x00000100

Post by TORA_cs » 2018/04/23 01:23:00

Hi, avij.

Thank you for your answers.

I try it.

TORA_cs
Posts: 4
Joined: 2018/04/18 09:31:07

Re: BUG: scheduling while atomic: swapper/0/0/0x00000100

Post by TORA_cs » 2018/04/24 07:45:41

May I ask one more question?
Is there a Bug Fix for this problem?

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TrevorH
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Re: BUG: scheduling while atomic: swapper/0/0/0x00000100

Post by TrevorH » 2018/04/24 08:28:47

There are more than 31,000 lines in the kernel rpm changelog since the one you are running. That's 31,000 bug fixes you do not have...
CentOS 5 died in March 2017 - migrate NOW!
Full time Geek, part time moderator. Use the FAQ Luke

TORA_cs
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Joined: 2018/04/18 09:31:07

Re: BUG: scheduling while atomic: swapper/0/0/0x00000100

Post by TORA_cs » 2018/04/26 02:01:02

Hi, TrevorH.
...I try "yum update".
Thank you for your answers.

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