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[GH-ISSUE #1419] Frequently unmounted the mount point which is mounted using s3fs #749

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opened 2026-03-04 01:48:27 +03:00 by kerem · 5 comments
kerem commented 2026-03-04 01:48:27 +03:00
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Originally created by @krishnakvk on GitHub (Sep 23, 2020).
Original GitHub issue: https://github.com/s3fs-fuse/s3fs-fuse/issues/1419

Additional Information

The following information is very important in order to help us to help you. Omission of the following details may delay your support request or receive no attention at all.
Keep in mind that the commands we provide to retrieve information are oriented to GNU/Linux Distributions, so you could need to use others if you use s3fs on macOS or BSD

Version of s3fs being used (s3fs --version)

example: 1.00
Amazon Simple Storage Service File System V1.86 (commit:unknown) with OpenSSL
Copyright (C) 2010 Randy Rizun rrizun@gmail.com
License GPL2: GNU GPL version 2 https://gnu.org/licenses/gpl.html
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

Version of fuse being used (pkg-config --modversion fuse, rpm -qi fuse, dpkg -s fuse)

example: 2.9.4

Kernel information (uname -r)

command result: uname -r
4.14.35-1902.303.4.1.el7uek.x86_64

GNU/Linux Distribution, if applicable (cat /etc/os-release)

command result: cat /etc/os-release
NAME="Oracle Linux Server"
VERSION="7.8"
ID="ol"
ID_LIKE="fedora"
VARIANT="Server"
VARIANT_ID="server"
VERSION_ID="7.8"
PRETTY_NAME="Oracle Linux Server 7.8"
ANSI_COLOR="0;31"
CPE_NAME="cpe:/o:oracle:linux:7:8:server"
HOME_URL="https://linux.oracle.com/"
BUG_REPORT_URL="https://bugzilla.oracle.com/"

ORACLE_BUGZILLA_PRODUCT="Oracle Linux 7"
ORACLE_BUGZILLA_PRODUCT_VERSION=7.8
ORACLE_SUPPORT_PRODUCT="Oracle Linux"
ORACLE_SUPPORT_PRODUCT_VERSION=7.8

s3fs command line used, if applicable

s3fs Brit_Data_1 /Backup -o passwd_file=${HOME}/.passwd-s3fs -o url=https://osdata.compat.objectstorage.us-ashburn-1.oraclecloud.com  -onomultipart -o use_path_request_style

/etc/fstab entry, if applicable

s3fs /Backup fuse.s3fs rw,nosuid,nodev,relatime,user_id=0,group_id=0 0 0

s3fs syslog messages (grep s3fs /var/log/syslog, journalctl | grep s3fs, or s3fs outputs)

if you execute s3fs with dbglevel, curldbg option, you can get detail debug messages

# grep s3fs /var/log/syslog
grep: /var/log/syslog: No such file or directory

]# journalctl | grep s3fs
Sep 21 09:54:33 ashhubnbkme07 kernel: s3fs[15634]: segfault at 21 ip 0000564661530a44 sp 00007fb9667fb850 error 4 in s3fs[5646614c0000+99000]
Sep 21 09:54:35 ashhubnbkme07 abrt-hook-ccpp[15635]: Process 26609 (s3fs) of user 0 killed by SIGSEGV - dumping core
Sep 21 13:22:53 ashhubnbkme07 s3fs[7483]: s3fs: unable to access MOUNTPOINT /Backup: Transport endpoint is not connected
Sep 21 13:23:46 ashhubnbkme07 s3fs[7728]: init v1.86(commit:unknown) with OpenSSL
Sep 21 13:33:16 ashhubnbkme07 s3fs[10414]: init v1.86(commit:unknown) with OpenSSL
Sep 23 08:22:11 ashhubnbkme07 kernel: s3fs[29668]: segfault at 21 ip 000055ea20391a44 sp 00007f8d877fd850 error 4 in s3fs[55ea20321000+99000]
Sep 23 08:22:12 ashhubnbkme07 abrt-hook-ccpp[29878]: Process 10414 (s3fs) of user 0 killed by SIGSEGV - dumping core
Sep 23 10:23:47 ashhubnbkme07 s3fs[31185]: init v1.86(commit:unknown) with OpenSSL
Sep 23 11:02:17 ashhubnbkme07 kernel: s3fs[9226]: segfault at 21 ip 000055ce7f330a44 sp 00007f14a1ffa850 error 4 in s3fs[55ce7f2c0000+99000]
Sep 23 11:02:17 ashhubnbkme07 abrt-hook-ccpp[9229]: Process 31185 (s3fs) of user 0 killed by SIGSEGV - ignoring (low free space)

Details about issue

I have mounted the object storage bucket on to the Linux server. it unmounting frequently. We are unable to find any logs and why it is unmounting. I have mounted the oracle cloud object storage bucket. Please let me know the solution

Originally created by @krishnakvk on GitHub (Sep 23, 2020). Original GitHub issue: https://github.com/s3fs-fuse/s3fs-fuse/issues/1419 ### Additional Information _The following information is very important in order to help us to help you. Omission of the following details may delay your support request or receive no attention at all._ _Keep in mind that the commands we provide to retrieve information are oriented to GNU/Linux Distributions, so you could need to use others if you use s3fs on macOS or BSD_ #### Version of s3fs being used (s3fs --version) _example: 1.00_ Amazon Simple Storage Service File System V1.86 (commit:unknown) with OpenSSL Copyright (C) 2010 Randy Rizun <rrizun@gmail.com> License GPL2: GNU GPL version 2 <https://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. #### Version of fuse being used (pkg-config --modversion fuse, rpm -qi fuse, dpkg -s fuse) _example: 2.9.4_ #### Kernel information (uname -r) _command result: uname -r_ 4.14.35-1902.303.4.1.el7uek.x86_64 #### GNU/Linux Distribution, if applicable (cat /etc/os-release) _command result: cat /etc/os-release_ NAME="Oracle Linux Server" VERSION="7.8" ID="ol" ID_LIKE="fedora" VARIANT="Server" VARIANT_ID="server" VERSION_ID="7.8" PRETTY_NAME="Oracle Linux Server 7.8" ANSI_COLOR="0;31" CPE_NAME="cpe:/o:oracle:linux:7:8:server" HOME_URL="https://linux.oracle.com/" BUG_REPORT_URL="https://bugzilla.oracle.com/" ORACLE_BUGZILLA_PRODUCT="Oracle Linux 7" ORACLE_BUGZILLA_PRODUCT_VERSION=7.8 ORACLE_SUPPORT_PRODUCT="Oracle Linux" ORACLE_SUPPORT_PRODUCT_VERSION=7.8 #### s3fs command line used, if applicable ``` s3fs Brit_Data_1 /Backup -o passwd_file=${HOME}/.passwd-s3fs -o url=https://osdata.compat.objectstorage.us-ashburn-1.oraclecloud.com -onomultipart -o use_path_request_style ``` #### /etc/fstab entry, if applicable ``` s3fs /Backup fuse.s3fs rw,nosuid,nodev,relatime,user_id=0,group_id=0 0 0 ``` #### s3fs syslog messages (grep s3fs /var/log/syslog, journalctl | grep s3fs, or s3fs outputs) _if you execute s3fs with dbglevel, curldbg option, you can get detail debug messages_ ``` # grep s3fs /var/log/syslog grep: /var/log/syslog: No such file or directory ]# journalctl | grep s3fs Sep 21 09:54:33 ashhubnbkme07 kernel: s3fs[15634]: segfault at 21 ip 0000564661530a44 sp 00007fb9667fb850 error 4 in s3fs[5646614c0000+99000] Sep 21 09:54:35 ashhubnbkme07 abrt-hook-ccpp[15635]: Process 26609 (s3fs) of user 0 killed by SIGSEGV - dumping core Sep 21 13:22:53 ashhubnbkme07 s3fs[7483]: s3fs: unable to access MOUNTPOINT /Backup: Transport endpoint is not connected Sep 21 13:23:46 ashhubnbkme07 s3fs[7728]: init v1.86(commit:unknown) with OpenSSL Sep 21 13:33:16 ashhubnbkme07 s3fs[10414]: init v1.86(commit:unknown) with OpenSSL Sep 23 08:22:11 ashhubnbkme07 kernel: s3fs[29668]: segfault at 21 ip 000055ea20391a44 sp 00007f8d877fd850 error 4 in s3fs[55ea20321000+99000] Sep 23 08:22:12 ashhubnbkme07 abrt-hook-ccpp[29878]: Process 10414 (s3fs) of user 0 killed by SIGSEGV - dumping core Sep 23 10:23:47 ashhubnbkme07 s3fs[31185]: init v1.86(commit:unknown) with OpenSSL Sep 23 11:02:17 ashhubnbkme07 kernel: s3fs[9226]: segfault at 21 ip 000055ce7f330a44 sp 00007f14a1ffa850 error 4 in s3fs[55ce7f2c0000+99000] Sep 23 11:02:17 ashhubnbkme07 abrt-hook-ccpp[9229]: Process 31185 (s3fs) of user 0 killed by SIGSEGV - ignoring (low free space) ``` ### Details about issue I have mounted the object storage bucket on to the Linux server. it unmounting frequently. We are unable to find any logs and why it is unmounting. I have mounted the oracle cloud object storage bucket. Please let me know the solution
kerem 2026-03-04 01:48:27 +03:00
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kerem commented 2026-03-04 01:48:28 +03:00
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@gaul commented on GitHub (Sep 25, 2020):

SIGSEGV suggests a bug in s3fs. Can you try upgrading to 1.87 which fixes many of these symptoms? If this does not work, please connect gdb to s3fs and get a backtrace. Thanks!

<!-- gh-comment-id:698955157 --> @gaul commented on GitHub (Sep 25, 2020): `SIGSEGV` suggests a bug in s3fs. Can you try upgrading to 1.87 which fixes many of these symptoms? If this does not work, please connect `gdb` to `s3fs` and get a backtrace. Thanks!
kerem commented 2026-03-04 01:48:28 +03:00
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@krishnakvk commented on GitHub (Sep 25, 2020):

Thanks for the update. Can you please provide the rpm of version 1.87 so that I can install using yum. What is gdb?

<!-- gh-comment-id:698959495 --> @krishnakvk commented on GitHub (Sep 25, 2020): Thanks for the update. Can you please provide the rpm of version 1.87 so that I can install using yum. What is gdb?
kerem commented 2026-03-04 01:48:28 +03:00
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@juliogonzalez commented on GitHub (Sep 25, 2020):

@krishnakvk you can get it from the EPEL8 repository.

Or (I am not so familiar with Oracle Linux), maybe you can just add the EPEL8 repositoriy and then install the package.

<!-- gh-comment-id:699028849 --> @juliogonzalez commented on GitHub (Sep 25, 2020): @krishnakvk you can get it from the EPEL8 repository. Or (I am not so familiar with Oracle Linux), maybe you can just add the EPEL8 repositoriy and then install the package.
kerem commented 2026-03-04 01:48:28 +03:00
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@gaul commented on GitHub (Sep 26, 2020):

s3fs does not provide rpms; instead it relies on distributions. Oracle Linux supports EPEL but I have never used it:

https://blogs.oracle.com/wim/using-epel-repos-with-oracle-linux

It would be great if someone could add instructions for Oracle on the wiki:

https://github.com/s3fs-fuse/s3fs-fuse/wiki/Non-Amazon-S3

We cannot provide general software debugging advice but here is a starting point if upgrading doesn't help:

https://sourceware.org/gdb/onlinedocs/gdb/Backtrace.html

<!-- gh-comment-id:699341016 --> @gaul commented on GitHub (Sep 26, 2020): s3fs does not provide rpms; instead it relies on distributions. Oracle Linux supports EPEL but I have never used it: https://blogs.oracle.com/wim/using-epel-repos-with-oracle-linux It would be great if someone could add instructions for Oracle on the wiki: https://github.com/s3fs-fuse/s3fs-fuse/wiki/Non-Amazon-S3 We cannot provide general software debugging advice but here is a starting point if upgrading doesn't help: https://sourceware.org/gdb/onlinedocs/gdb/Backtrace.html
kerem commented 2026-03-04 01:48:28 +03:00
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@gaul commented on GitHub (Oct 6, 2020):

Please reopen if symptoms persist.

<!-- gh-comment-id:703988506 --> @gaul commented on GitHub (Oct 6, 2020): Please reopen if symptoms persist.
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