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[95.44.90.175]) by smtp.googlemail.com with ESMTPSA id s1-20020adfdb01000000b0033667867a66sm3497005wri.101.2024.01.06.06.48.21 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 06 Jan 2024 06:48:22 -0800 (PST) Message-ID: <fce1ae26-6476-e4a5-a141-09da05754359@HIDDEN> Date: Sat, 6 Jan 2024 14:48:21 +0000 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: bug#68283: ls -l issues on cifs mounted directories Content-Language: en-US To: Bjoern Voigt <bjoernv@HIDDEN>, 68283 <at> debbugs.gnu.org References: <0857af15-c169-4cb0-a4a8-0488fec2e94f@HIDDEN> From: =?UTF-8?Q?P=C3=A1draig_Brady?= <P@HIDDEN> In-Reply-To: <0857af15-c169-4cb0-a4a8-0488fec2e94f@HIDDEN> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Score: 0.5 (/) X-Debbugs-Envelope-To: 68283 Cc: Ondrej Valousek <ondrej.valousek.xm@HIDDEN>, Thiago Rafael Becker <trbecker@HIDDEN> X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -0.5 (/) On 06/01/2024 13:08, Bjoern Voigt via GNU coreutils Bug Reports wrote: > After upgrading coreutils from version 9.3 to 9.4, "ls -l" shows error > messages, if the files or directories are in a cifs/smb3 mounted directory. > > Example: > /mnt/cifstest here is mounted with "mount -t cifs -o username=myuser > //192.168.1.2/all /mnt/cifstest/". The server is a Samba 4.19.2 server. > The kernel is version 6.1.71. > > # ls -l /mnt/cifstest/ > ls: /mnt/cifstest/: Resource temporarily unavailable > "ls -l" from coreutils 9.3 does not show any errors. > > Probably it is not just the error message. "dmesg -w" shows several > errors after executing "ls -l": > > [17563.999109] smb2_reconnect: 3 callbacks suppressed > [17563.999113] CIFS: VFS: reconnect tcon failed rc = -11 > I debugged this problem a bit. The changes in > coreutils-9.4/lib/file-has-acl.c:file_has_acl are probably responsible > for the errors. The system call listxttr produces the error message > "Resource temporarily unavailable". I could not find the reasons for > error messages shown with "dmesg". > > The listxattr.c test program in the manual page (man listxattr) shows > the following output: > > # ./listxattr /mnt/cifstest/ > listxattr: Resource temporarily unavailable > > Work-around are to downgrade to coreutils 9.3 or not to use the "-l" > option for ls. Thanks for the details. EAGAIN is not a documented return from listxattr, and it seems like the cifs client should not let that leak. Perhaps the kernel needs another change along the lines of: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6efa994e35a (That was included in v5.18). Perhaps something to ask at linux-cifs@HIDDEN ? If this is a common enough issue then it might be appropriate for us to handle, but given the current info, ls is just informing you of an actual issue on your system. thanks, Pádraig
bug-coreutils@HIDDEN:bug#68283; Package coreutils.
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Example: /mnt/cifstest here is mounted with "mount -t cifs -o username=myuser //192.168.1.2/all /mnt/cifstest/". The server is a Samba 4.19.2 server. The kernel is version 6.1.71. # ls -l /mnt/cifstest/ ls: /mnt/cifstest/: Resource temporarily unavailable ls: /mnt/cifstest/opt: Resource temporarily unavailable ls: /mnt/cifstest/dev: Resource temporarily unavailable ls: /mnt/cifstest/var: Resource temporarily unavailable ls: /mnt/cifstest/usr: Resource temporarily unavailable ls: /mnt/cifstest/sbin: Resource temporarily unavailable ls: /mnt/cifstest/boot: Resource temporarily unavailable ls: /mnt/cifstest/lib: Resource temporarily unavailable ls: /mnt/cifstest/etc: Resource temporarily unavailable ls: /mnt/cifstest/lib64: Resource temporarily unavailable ls: /mnt/cifstest/run: Resource temporarily unavailable ls: /mnt/cifstest/proc: Resource temporarily unavailable ls: /mnt/cifstest/lost+found: Resource temporarily unavailable ls: /mnt/cifstest/root: Resource temporarily unavailable ls: /mnt/cifstest/sys: Resource temporarily unavailable ls: /mnt/cifstest/bin: Resource temporarily unavailable ls: /mnt/cifstest/srv: Resource temporarily unavailable ls: /mnt/cifstest/home: Resource temporarily unavailable ls: /mnt/cifstest/mnt: Resource temporarily unavailable ls: /mnt/cifstest/tmp: Resource temporarily unavailable total 0 drwxr-xr-x 2 root root 0 Jan 6 12:01 bin drwxr-xr-x 2 root root 0 Jan 5 20:47 boot drwxr-xr-x 2 root root 0 Jan 6 13:14 dev drwxr-xr-x 2 root root 0 Jan 5 21:00 etc drwxr-xr-x 2 root root 0 Dec 6 22:54 home drwxr-xr-x 2 root root 0 Jan 4 21:51 lib drwxr-xr-x 2 root root 0 Jan 5 21:00 lib64 drwxr-xr-x 2 root root 0 Dec 21 2014 lost+found drwxr-xr-x 2 root root 0 Jun 9 2021 mnt drwxr-xr-x 2 root root 0 Dec 26 22:34 opt drwxr-xr-x 2 root root 0 Jan 5 23:17 proc drwxr-xr-x 2 root root 0 Dec 10 19:49 root drwxr-xr-x 2 root root 0 Jan 6 13:53 run drwxr-xr-x 2 root root 0 Jan 5 20:59 sbin drwxr-xr-x 2 root root 0 Dec 27 2021 srv drwxr-xr-x 2 root root 0 Jan 6 01:19 sys drwxr-xr-x 2 root root 0 Jan 6 13:53 tmp drwxr-xr-x 2 root root 0 Dec 10 19:49 usr drwxr-xr-x 2 root root 0 Dec 12 08:37 var "ls -l" from coreutils 9.3 does not show any errors. Probably it is not just the error message. "dmesg -w" shows several errors after executing "ls -l": [17563.999109] smb2_reconnect: 3 callbacks suppressed [17563.999113] CIFS: VFS: reconnect tcon failed rc = -11 [17564.160117] CIFS: VFS: reconnect tcon failed rc = -11 [17564.192244] CIFS: VFS: reconnect tcon failed rc = -11 [17564.223303] CIFS: VFS: reconnect tcon failed rc = -11 [17564.256080] CIFS: VFS: reconnect tcon failed rc = -11 [17564.287887] CIFS: VFS: reconnect tcon failed rc = -11 [17564.410323] CIFS: VFS: reconnect tcon failed rc = -11 [17564.442095] CIFS: VFS: reconnect tcon failed rc = -11 [17564.474065] CIFS: VFS: reconnect tcon failed rc = -11 [17564.569435] CIFS: VFS: reconnect tcon failed rc = -11 I debugged this problem a bit. The changes in coreutils-9.4/lib/file-has-acl.c:file_has_acl are probably responsible for the errors. The system call listxttr produces the error message "Resource temporarily unavailable". I could not find the reasons for error messages shown with "dmesg". The listxattr.c test program in the manual page (man listxattr) shows the following output: # ./listxattr /mnt/cifstest/ listxattr: Resource temporarily unavailable Work-around are to downgrade to coreutils 9.3 or not to use the "-l" option for ls. Björn
Bjoern Voigt <bjoernv@HIDDEN>:bug-coreutils@HIDDEN.
Full text available.bug-coreutils@HIDDEN:bug#68283; Package coreutils.
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