[Techtalk] Kernel error?

[Val Henson]

I see no one more knowledgable replied, so I'll take a whack.  This is
basically a debugging message printed out by the kernel when it
encounters badly-behaved software (in this case, most likely the cifs
kernel module).  If you want to find out more, Google isn't much help
I'm afraid, but you can look at the kernel source code and see if
there is a comment explaining it.  You might even be able to write a
patch that fixes it!  The kernel hacking lessons are currently being
updated by Lina Mortensson:

http://www.linuxchix.org/content/courses/kernel_hacking/

Have fun!

-VAL

On Sat, 9 Oct 2004 10:38:20 +0200 (CEST), Tiera <tiera at bredband.net> wrote:
> Hi!
> 
> I noticed this in my /var/log/messages:
> 
> Oct  9 10:08:43 cube kernel: Badness in sleep_on_timeout at
> kernel/sched.c:2562
> Oct  9 10:08:43 cube kernel:  [<022d6af5>] sleep_on_timeout+0x5d/0x154
> Oct  9 10:08:43 cube kernel:  [<0211d07a>] default_wake_function+0x0/0xc
> Oct  9 10:08:43 cube kernel:  [<20d47f28>] SendReceive+0x40a/0x655 [cifs]
> Oct  9 10:08:43 cube kernel:  [<20d34b4e>] smb_init+0x24d/0x258 [cifs]
> Oct  9 10:08:43 cube kernel:  [<0214a88a>] follow_page+0x11c/0x128
> Oct  9 10:08:43 cube kernel:  [<20d3710a>]
> CIFSSMBUnixQPathInfo+0x19f/0x234 [cifs]
> Oct  9 10:08:43 cube kernel:  [<20d43970>]
> cifs_get_inode_info_unix+0x54/0x3e3 [cifs]
> Oct  9 10:08:43 cube kernel:  [<02158bb5>] put_user_size+0x29/0x2d
> Oct  9 10:08:43 cube kernel:  [<02175658>] update_atime+0x60/0x9e
> Oct  9 10:08:43 cube kernel:  [<022d6c00>] __cond_resched+0x14/0x39
> Oct  9 10:08:43 cube kernel:  [<20d3f884>]
> build_path_from_dentry+0x55/0xed [cifs]
> Oct  9 10:08:43 cube kernel:  [<20d44d4b>] cifs_revalidate+0x196/0x2d3 [cifs]
> Oct  9 10:08:43 cube kernel:  [<20d44e88>] cifs_getattr+0x0/0x24 [cifs]
> Oct  9 10:08:43 cube kernel:  [<20d44e96>] cifs_getattr+0xe/0x24 [cifs]
> Oct  9 10:08:43 cube kernel:  [<20d44e88>] cifs_getattr+0x0/0x24 [cifs]
> Oct  9 10:08:43 cube kernel:  [<02164256>] vfs_getattr+0x35/0x88
> Oct  9 10:08:43 cube kernel:  [<021642d1>] vfs_stat+0x28/0x3a
> Oct  9 10:08:43 cube kernel:  [<02164838>] sys_stat64+0xf/0x23
> 
> The above lines repeat for about 20 minutes.
> Does anyone know what it is? It says something about cifs and smb, I have
> two samba shares mounted, does it have something todo with them?
> This happened on Fedora Core 2 with kernel 2.6.8-1.521smp.
> 
> /Tiera
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