# uname -a 
Linux suse64 2.6.36-rc5+ #66 SMP PREEMPT Sat Sep 25 00:47:38 MSD 2010 x86_64 
x86_64 x86_64 GNU/Linux

# git pull
Already up-to-date. 

#gcc -v
...
...
gcc version 4.5.1 20100916 [gcc-4_5-branch revision 164333] (SUSE Linux) 
...

#dmesg
....
------------[ cut here ]------------
WARNING: at fs/fs-writeback.c:87 __mark_inode_dirty+0x131/0x260()
Hardware name: S2895
Dirtiable inode bdi default != sb bdi btrfs
Modules linked in: ipt_REJECT xt_hl xt_DSCP iptable_nat nf_nat 
nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 cpufreq_ondemand zram(C) nvidia 
evdev snd_intel8x0 snd_ac97_codec ac97_bus
Pid: 32127, comm: git Tainted: G   M    WC  2.6.36-rc5+ #66
Call Trace:
 [<ffffffff81037f3b>] ? warn_slowpath_common+0x7b/0xc0
 [<ffffffff81038035>] ? warn_slowpath_fmt+0x45/0x50
 [<ffffffff810d79d1>] ? __mark_inode_dirty+0x131/0x260
 [<ffffffff810ccc4d>] ? touch_atime+0x13d/0x190
 [<ffffffff810c74af>] ? vfs_readdir+0xbf/0xd0
 [<ffffffff810c768f>] ? sys_getdents64+0x7f/0xe0
 [<ffffffff810022eb>] ? system_call_fastpath+0x16/0x1b
---[ end trace fec92d861b8f03b8 ]---
------------[ cut here ]------------
WARNING: at fs/fs-writeback.c:87 __mark_inode_dirty+0x131/0x260()
Hardware name: S2895
Dirtiable inode bdi default != sb bdi btrfs
Modules linked in: ipt_REJECT xt_hl xt_DSCP iptable_nat nf_nat 
nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 cpufreq_ondemand zram(C) nvidia 
evdev snd_intel8x0 snd_ac97_codec ac97_bus
Pid: 32207, comm: touch Tainted: G   M    WC  2.6.36-rc5+ #66
Call Trace:
 [<ffffffff81037f3b>] ? warn_slowpath_common+0x7b/0xc0
 [<ffffffff81038035>] ? warn_slowpath_fmt+0x45/0x50
 [<ffffffff810d79d1>] ? __mark_inode_dirty+0x131/0x260
 [<ffffffff81197ce0>] ? btrfs_setattr+0x90/0x2b0
 [<ffffffff8103ca6d>] ? current_fs_time+0xd/0x50
 [<ffffffff810ce66f>] ? notify_change+0x12f/0x380
 [<ffffffff810dc49d>] ? utimes_common+0xcd/0x1d0
 [<ffffffff810dc673>] ? do_utimes+0xd3/0xf0
 [<ffffffff810dc72c>] ? sys_utimensat+0x2c/0x90
 [<ffffffff810b72af>] ? do_sys_open+0xbf/0x130
 [<ffffffff810022eb>] ? system_call_fastpath+0x16/0x1b
---[ end trace fec92d861b8f03b9 ]---