From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Sebastian 'gonX' Jensen" Subject: Re: flood of btrfs WARNINGs in dmesg Date: Mon, 4 Oct 2010 15:37:08 +0200 Message-ID: References: <4CA9D46D.6060309@wpkg.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Cc: linux-btrfs@vger.kernel.org To: Tomasz Chmielewski Return-path: In-Reply-To: <4CA9D46D.6060309@wpkg.org> List-ID: On 4 October 2010 15:19, Tomasz Chmielewski wrote: > With 2.6.35.x, I saw warnings like below in dmesg. > > With 2.6.36-rc6, I even had a flood of them. Is it something to worry= about? What causes it? > > You can see more of these under http://www.virtall.com/files/dmesg-bt= rfs-flood.txt > > > [74921.736528] ------------[ cut here ]------------ > [74921.736597] WARNING: at /home/kernel-ppa/COD/linux/fs/fs-writeback= =2Ec:87 __mark_inode_dirty+0x217/0x250() > [74921.736604] Hardware name: Bochs > [74921.736606] Dirtiable inode bdi default !=3D sb bdi btrfs > [74921.736611] Modules linked in: btrfs zlib_deflate crc32c libcrc32c= lp parport psmouse serio_raw i2c_piix4 virtio_net floppy virtio_blk vi= rtio_pci virtio_ring virtio > [74921.736635] Pid: 22522, comm: rsync Not tainted 2.6.36-020636rc6-g= eneric #201009291126 > [74921.736638] Call Trace: > [74921.736649] =C2=A0[] ? __mark_inode_dirty+0x217/= 0x250 > [74921.736678] =C2=A0[] warn_slowpath_common+0x90/0= xc0 > [74921.736683] =C2=A0[] warn_slowpath_fmt+0x6e/0x70 > [74921.736712] =C2=A0[] ? __btrfs_end_transaction+0= x128/0x210 [btrfs] > [74921.736727] =C2=A0[] ? btrfs_end_transaction+0x1= 0/0x20 [btrfs] > [74921.736744] =C2=A0[] ? btrfs_dirty_inode+0x7c/0x= 120 [btrfs] > [74921.736781] =C2=A0[] ? _raw_spin_lock+0xe/0x20 > [74921.736785] =C2=A0[] __mark_inode_dirty+0x217/0x= 250 > [74921.736804] =C2=A0[] btrfs_setattr+0x78/0xb0 [bt= rfs] > [74921.736814] =C2=A0[] notify_change+0x170/0x2d0 > [74921.736824] =C2=A0[] utimes_common+0xdb/0x1a0 > [74921.736829] =C2=A0[] do_utimes+0xaa/0x110 > [74921.736833] =C2=A0[] sys_futimesat+0x36/0xd0 > [74921.736837] =C2=A0[] sys_utimes+0x19/0x20 > [74921.736854] =C2=A0[] system_call_fastpath+0x16/0= x1b > [74921.736870] ---[ end trace 7c45187572db04d2 ]--- > > > > -- > Tomasz Chmielewski > http://wpkg.org > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrfs= " in > the body of a message to majordomo@vger.kernel.org > More majordomo info at =C2=A0http://vger.kernel.org/majordomo-info.ht= ml > I have also had a lot of these with .36. I don't know why. I'm running on a laptop which has never been shut down with an improper umount as far as I can remember. Mount options are "noatime,noacl,compress-force,thread_pool=3D4,nobarrier" Nothing on .35 Regards, Sebastian J. -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" = in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html