Package: smbfs Version: 2:3.4.0-3 Severity: normal Hello.
Not sure if it is really a bug, but anyway. Imagine first, we have CIFS share mounted: //DOOMSTAR/kafedra on /home/andrew/smb4k/doomstar/kafedra type cifs (rw,mand,nosuid,nodev,user=andrew) Next, network link goes down forever: Feb 24 08:49:06 ileemo ifplugd(eth0)[1690]: Link beat lost. Feb 24 08:49:07 ileemo kernel: [ 286.816424] e100: eth0: e100_watchdog: link down Feb 24 08:49:16 ileemo ifplugd(eth0)[1690]: Executing '/etc/ifplugd/ifplugd.action eth0 down'. Unmounting this mount is a very time-consuming thing, so one may try to do # rmmod cifs -f This leads to: Feb 24 08:49:24 ileemo kernel: [ 303.305440] slab error in kmem_cache_destroy(): cache `cifs_inode_cache': Can't free all objects Feb 24 08:49:24 ileemo kernel: [ 303.305462] Pid: 2961, comm: rmmod Tainted: G R 2.6.26-1-686 #1 Feb 24 08:49:24 ileemo kernel: [ 303.305510] [<c017174e>] kmem_cache_destroy+0x6e/0xb8 Feb 24 08:49:24 ileemo kernel: [ 303.305567] [<f0e1fe91>] exit_cifs+0x2d/0xa8 [cifs] Feb 24 08:49:24 ileemo kernel: [ 303.305595] [<c013fd0e>] sys_delete_module+0x194/0x1de Feb 24 08:49:24 ileemo kernel: [ 303.305612] [<c0186900>] graft_tree+0x77/0xc6 Feb 24 08:49:24 ileemo kernel: [ 303.305655] [<c0115b4f>] do_page_fault+0x29b/0x5b8 Feb 24 08:49:24 ileemo kernel: [ 303.305741] [<c0103853>] sysenter_past_esp+0x78/0xb1 Feb 24 08:49:24 ileemo kernel: [ 303.305804] [<c02b0000>] acpi_pci_root_add+0x101/0x296 Feb 24 08:49:24 ileemo kernel: [ 303.305860] ======================= Feb 24 08:49:24 ileemo kernel: [ 303.305870] slab error in kmem_cache_destroy(): cache `cifs_mpx_ids': Can't free all objects Feb 24 08:49:24 ileemo kernel: [ 303.305879] Pid: 2961, comm: rmmod Tainted: G R 2.6.26-1-686 #1 Feb 24 08:49:24 ileemo kernel: [ 303.305896] [<c017174e>] kmem_cache_destroy+0x6e/0xb8 Feb 24 08:49:24 ileemo kernel: [ 303.305941] [<f0e020e7>] cifs_destroy_mids+0x14/0x1e [cifs] Feb 24 08:49:24 ileemo kernel: [ 303.305965] [<f0e1fe96>] exit_cifs+0x32/0xa8 [cifs] Feb 24 08:49:24 ileemo kernel: [ 303.305989] [<c013fd0e>] sys_delete_module+0x194/0x1de Feb 24 08:49:24 ileemo kernel: [ 303.306003] [<c0186900>] graft_tree+0x77/0xc6 Feb 24 08:49:24 ileemo kernel: [ 303.306046] [<c0115b4f>] do_page_fault+0x29b/0x5b8 Feb 24 08:49:24 ileemo kernel: [ 303.306129] [<c0103853>] sysenter_past_esp+0x78/0xb1 Feb 24 08:49:24 ileemo kernel: [ 303.306189] [<c02b0000>] acpi_pci_root_add+0x101/0x296 Feb 24 08:49:24 ileemo kernel: [ 303.306243] ======================= Feb 24 08:49:24 ileemo kernel: [ 303.306261] slab error in kmem_cache_destroy(): cache `cifs_request': Can't free all objects Feb 24 08:49:24 ileemo kernel: [ 303.306269] Pid: 2961, comm: rmmod Tainted: G R 2.6.26-1-686 #1 Feb 24 08:49:24 ileemo kernel: [ 303.306286] [<c017174e>] kmem_cache_destroy+0x6e/0xb8 Feb 24 08:49:24 ileemo kernel: [ 303.306331] [<f0e02105>] cifs_destroy_request_bufs+0x14/0x28 [cifs] Feb 24 08:49:24 ileemo kernel: [ 303.306353] [<f0e1fe9b>] exit_cifs+0x37/0xa8 [cifs] Feb 24 08:49:24 ileemo kernel: [ 303.306376] [<c013fd0e>] sys_delete_module+0x194/0x1de Feb 24 08:49:24 ileemo kernel: [ 303.306391] [<c0186900>] graft_tree+0x77/0xc6 Feb 24 08:49:24 ileemo kernel: [ 303.306432] [<c0115b4f>] do_page_fault+0x29b/0x5b8 Feb 24 08:49:24 ileemo kernel: [ 303.306515] [<c0103853>] sysenter_past_esp+0x78/0xb1 Feb 24 08:49:24 ileemo kernel: [ 303.306575] [<c02b0000>] acpi_pci_root_add+0x101/0x296 Feb 24 08:49:24 ileemo kernel: [ 303.306628] ======================= Feb 24 08:49:24 ileemo kernel: [ 303.306644] slab error in kmem_cache_destroy(): cache `cifs_small_rq': Can't free all objects Feb 24 08:49:24 ileemo kernel: [ 303.306652] Pid: 2961, comm: rmmod Tainted: G R 2.6.26-1-686 #1 Feb 24 08:49:24 ileemo kernel: [ 303.306669] [<c017174e>] kmem_cache_destroy+0x6e/0xb8 Feb 24 08:49:24 ileemo kernel: [ 303.306714] [<f0e1fe9b>] exit_cifs+0x37/0xa8 [cifs] Feb 24 08:49:24 ileemo kernel: [ 303.306738] [<c013fd0e>] sys_delete_module+0x194/0x1de Feb 24 08:49:24 ileemo kernel: [ 303.306752] [<c0186900>] graft_tree+0x77/0xc6 Feb 24 08:49:24 ileemo kernel: [ 303.306794] [<c0115b4f>] do_page_fault+0x29b/0x5b8 Feb 24 08:49:24 ileemo kernel: [ 303.306876] [<c0103853>] sysenter_past_esp+0x78/0xb1 Feb 24 08:49:24 ileemo kernel: [ 303.306935] [<c02b0000>] acpi_pci_root_add+0x101/0x296 Feb 24 08:49:24 ileemo kernel: [ 303.306988] ======================= Feb 24 08:49:24 ileemo kernel: [ 303.307067] CIFS VFS: server not responding Feb 24 08:49:24 ileemo kernel: [ 303.307075] CIFS VFS: No response for cmd 50 mid 17 Feb 24 08:49:24 ileemo kernel: [ 303.307094] CIFS VFS: No response for cmd 50 mid 18 Next, any umount for this mount will fail: # umount /home/andrew/smb4k/doomstar/kafedra Segmentation fault. Moreover, s2disk being called causes system to hang. I understand that rmmod -f is not a good way of dealing with kernel modules, but anyway, this is not quite what I expected. -- WBR, Andrew -- System Information: Debian Release: 5.0 APT prefers sid APT policy: (500, 'sid'), (500, 'unstable'), (500, 'testing'), (500, 'stable'), (1, 'experimental') Architecture: i386 (i686) Kernel: Linux 2.6.26-1-686 (SMP w/1 CPU core) Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) (ignored: LC_ALL set to en_US.UTF-8) Shell: /bin/sh linked to /bin/bash Versions of packages smbfs depends on: ii libc6 2.10.1-7 GNU C Library: Shared libraries ii libcap2 2.11-2 support for getting/setting POSIX. ii libcomerr2 1.41.8-2 common error description library ii libgssapi-krb5-2 1.7dfsg~beta3-1 MIT Kerberos runtime libraries - k ii libk5crypto3 1.7dfsg~beta3-1 MIT Kerberos runtime libraries - C ii libkeyutils1 1.2-9 Linux Key Management Utilities (li ii libkrb5-3 1.7dfsg~beta3-1 MIT Kerberos runtime libraries ii libldap-2.4-2 2.4.17-1 OpenLDAP libraries ii libtalloc1 1.3.1-2 hierarchical pool based memory all ii libwbclient0 2:3.4.0-1 Samba winbind client library ii netbase 4.34 Basic TCP/IP networking system ii samba-common 2:3.4.0-3 common files used by both the Samb ii zlib1g 1:1.2.3.3.dfsg-14 compression library - runtime smbfs recommends no packages. Versions of packages smbfs suggests: ii smbclient 2:3.4.0-3 command-line SMB/CIFS clients for -- no debconf information -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org