Debian server stop responding.

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Debian server stop responding.

Postby AKSJAISWAR » 2018-12-07 19:48

Hi Team,

I am currently using Debian GNU/Linux 9.3 (stretch).
Kernel version :- 4.9.0-8-amd64
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Mem: 7.8G
Swap: 6.1G

My server stop responding and freeze immediately, and when i searched for error in log file, got the following error listed below:-

Dec 5 10:22:24 rfid-scrub kernel: [30819410.509510] WARNING: CPU: 0 PID: 30964 at /build/linux-Uc7fnO/linux-4.9.65/lib/list_debug.c:59 list_del+0x9/0x30
Dec 5 10:22:24 rfid-scrub kernel: [30819410.509512] list_del corruption. prev->next should be ffffecd6071beea0, but was dead000000000100
Dec 5 10:22:24 rfid-scrub kernel: [30819410.509514] Modules linked in: iptable_filter fuse btrfs xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs vfat msdos fat jfs xfs libcrc32c dm_mod binfmt_misc tun sb_edac edac_core coretemp crct10dif_pclmul crc32_pclmul vmw_balloon ghash_clmulni_intel intel_rapl_perf evdev pcspkr joydev vmw_vmci serio_raw vmwgfx ttm drm_kms_helper drm battery sg shpchp ac irda crc_ccitt button parport_pc ppdev sunrpc lp parport ip_tables x_tables autofs4 ext4 crc16 jbd2 crc32c_generic fscrypto ecb mbcache vmw_pvscsi sd_mod sr_mod cdrom ata_generic crc32c_intel aesni_intel aes_x86_64 glue_helper lrw gf128mul ablk_helper cryptd psmouse vmxnet3 floppy mptspi scsi_transport_spi mptscsih mptbase ata_piix i2c_piix4 libata scsi_mod
Dec 5 10:22:24 rfid-scrub kernel: [30819410.509622] CPU: 0 PID: 30964 Comm: kworker/0:5 Not tainted 4.9.0-4-amd64 #1 Debian 4.9.65-3
Dec 5 10:22:24 rfid-scrub kernel: [30819410.509624] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 06/22/2012
Dec 5 10:22:24 rfid-scrub kernel: [30819410.509631] Workqueue: events cache_reap
Dec 5 10:22:24 rfid-scrub kernel: [30819410.509634] 0000000000000000 ffffffffa1f28e84 ffffbc97c1077ca0 0000000000000000
Dec 5 10:22:24 rfid-scrub kernel: [30819410.509638] ffffffffa1c75efe ffffecd6071beea0 ffffbc97c1077cf8 ffff92c0c6fba780
Dec 5 10:22:24 rfid-scrub kernel: [30819410.509642] ffffecd6071beea0 ffffecd6071bee80 ffff92c135e90c00 ffffffffa1c75f7f
Dec 5 10:22:24 rfid-scrub kernel: [30819410.509645] Call Trace:
Dec 5 10:22:24 rfid-scrub kernel: [30819410.509653] [<ffffffffa1f28e84>] ? dump_stack+0x5c/0x78
Dec 5 10:22:24 rfid-scrub kernel: [30819410.509658] [<ffffffffa1c75efe>] ? __warn+0xbe/0xe0
Dec 5 10:22:24 rfid-scrub kernel: [30819410.509661] [<ffffffffa1c75f7f>] ? warn_slowpath_fmt+0x5f/0x80
Dec 5 10:22:24 rfid-scrub kernel: [30819410.509664] [<ffffffffa1f47a29>] ? list_del+0x9/0x30
Dec 5 10:22:24 rfid-scrub kernel: [30819410.509666] [<ffffffffa1ddd26b>] ? free_block+0xcb/0x1c0
Dec 5 10:22:24 rfid-scrub kernel: [30819410.509669] [<ffffffffa1ddd47f>] ? drain_array_locked+0x5f/0x90
Dec 5 10:22:24 rfid-scrub kernel: [30819410.509672] [<ffffffffa1de1325>] ? drain_array+0x85/0xb0
Dec 5 10:22:24 rfid-scrub kernel: [30819410.509675] [<ffffffffa1de15bc>] ? cache_reap+0x7c/0x200
Dec 5 10:22:24 rfid-scrub kernel: [30819410.509679] [<ffffffffa1c8f4b4>] ? process_one_work+0x184/0x410
Dec 5 10:22:24 rfid-scrub kernel: [30819410.509683] [<ffffffffa1c8f78d>] ? worker_thread+0x4d/0x490
Dec 5 10:22:24 rfid-scrub kernel: [30819410.509686] [<ffffffffa1c8f740>] ? process_one_work+0x410/0x410
Dec 5 10:22:24 rfid-scrub kernel: [30819410.509691] [<ffffffffa1c95777>]


Please someone let me know, what may be the probable reason for above errors (server not respoding).




Regards,
Akshay Jaiswar.
AKSJAISWAR
 
Posts: 3
Joined: 2018-12-07 19:27

Re: Debian server stop responding.

Postby TonyT » 2018-12-10 21:02

not responding to what specific request?
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Re: Debian server stop responding.

Postby AKSJAISWAR » 2018-12-27 19:11

TonyT wrote:not responding to what specific request?



Hi Tony,

Thanks for the reply

We are running Debian as a guest OS on Vmware ESXi 6, so by not responding means, the whole server got stuck with black screen.

Can you please let us know issue by looking at the error log as mentioned in previous post.

Thanks and Regards,
Akshay J.
AKSJAISWAR
 
Posts: 3
Joined: 2018-12-07 19:27

Re: Debian server stop responding.

Postby stevepusser » 2018-12-27 19:55

It's some kind of kernel "oops" error trace, but it may be due to some kind of bug in VMWare, and not reproducible outside that environment.
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Re: Debian server stop responding.

Postby AKSJAISWAR » 2019-01-03 17:46

stevepusser wrote:It's some kind of kernel "oops" error trace, but it may be due to some kind of bug in VMWare, and not reproducible outside that environment.


Hi Stevepusser,

Good day,
Do you have any suggestions that where to check VM logs for bug in VMWare?


Thanks and Regards,
Akshay J.
AKSJAISWAR
 
Posts: 3
Joined: 2018-12-07 19:27


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