From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.profihost.ag ([85.158.179.208]:52794 "EHLO mail.profihost.ag" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756551Ab2JKSmb (ORCPT ); Thu, 11 Oct 2012 14:42:31 -0400 Message-ID: <50771184.2060807@profihost.ag> Date: Thu, 11 Oct 2012 20:35:48 +0200 From: Stefan Priebe MIME-Version: 1.0 To: "linux-btrfs@vger.kernel.org" CC: Josef Bacik Subject: use_block_rsv problems with 3.6.1 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Sender: linux-btrfs-owner@vger.kernel.org List-ID: Hello, on i've seen the following backtrace a lot on 3.6.1: [ 2231.644332] use_block_rsv: 1451 callbacks suppressed [ 2231.645249] btrfs: block rsv returned -28 [ 2231.645250] ------------[ cut here ]------------ [ 2231.646163] WARNING: at fs/btrfs/extent-tree.c:6323 use_block_rsv+0x19a/0x1a0 [btrfs]() [ 2231.647092] Hardware name: Bochs [ 2231.648051] Modules linked in: ipt_REJECT xt_tcpudp k8temp iptable_filter ip_tables x_tables ext2 usbhid microcode i2c_piix4 button i2c_core btrfs zlib_deflate lzo_compress sg sd_mod virtio_net uhci_hcd ata_generic virtio_scsi ehci_hcd virtio_pci virtio_ring virtio floppy usbcore usb_common ata_piix [ 2231.651137] Pid: 4155, comm: btrfs Tainted: G W 3.6.1+2-ph #1 [ 2231.652217] Call Trace: [ 2231.653248] [] warn_slowpath_common+0x7a/0xb0 [ 2231.654296] [] warn_slowpath_null+0x15/0x20 [ 2231.655327] [] use_block_rsv+0x19a/0x1a0 [btrfs] [ 2231.656379] [] btrfs_alloc_free_block+0x38/0x220 [btrfs] [ 2231.657377] [] ? kmem_cache_free+0x1b/0xf0 [ 2231.658347] [] ? btrfs_get_token_64+0x5f/0xf0 [btrfs] [ 2231.659293] [] ? read_extent_buffer+0xb3/0x110 [btrfs] [ 2231.660258] [] __btrfs_cow_block+0x121/0x510 [btrfs] [ 2231.661189] [] btrfs_cow_block+0xef/0x200 [btrfs] [ 2231.662113] [] btrfs_search_slot+0x359/0x7b0 [btrfs] [ 2231.663045] [] btrfs_del_csums+0x249/0x330 [btrfs] [ 2231.663980] [] ? free_extent_buffer+0x37/0x90 [btrfs] [ 2231.664938] [] __btrfs_free_extent+0x547/0x730 [btrfs] [ 2231.665866] [] run_delayed_data_ref+0x151/0x160 [btrfs] [ 2231.666799] [] run_one_delayed_ref+0xb2/0xc0 [btrfs] [ 2231.667731] [] ? __rb_erase_color+0x166/0x1d0 [ 2231.668692] [] run_clustered_refs+0x113/0x3a0 [btrfs] [ 2231.669625] [] btrfs_run_delayed_refs+0xf0/0x2f0 [btrfs] [ 2231.670563] [] ? btrfs_orphan_cleanup+0x2a2/0x450 [btrfs] [ 2231.671498] [] btrfs_commit_transaction+0xa3/0x9e0 [btrfs] [ 2231.672465] [] ? wake_up_bit+0x40/0x40 [ 2231.673399] [] create_subvol+0x4db/0x5e0 [btrfs] [ 2231.674336] [] ? btrfs_set_path_blocking+0x31/0x70 [btrfs] [ 2231.675276] [] ? inode_capable+0x10/0x20 [ 2231.676257] [] btrfs_mksubvol+0x176/0x190 [btrfs] [ 2231.677197] [] btrfs_ioctl_snap_create_transid+0x122/0x190 [btrfs] [ 2231.678144] [] btrfs_ioctl_snap_create+0x59/0x80 [btrfs] [ 2231.679080] [] ? __switch_to+0x1a2/0x440 [ 2231.680036] [] btrfs_ioctl+0x7f3/0x890 [btrfs] [ 2231.680970] [] ? __schedule+0x3dd/0x700 [ 2231.681896] [] do_vfs_ioctl+0x7b/0x380 [ 2231.682814] [] sys_ioctl+0x4a/0x80 [ 2231.683741] [] system_call_fastpath+0x16/0x1b [ 2231.684696] ---[ end trace 2176d16bf8fdb18d ]--- Stefan