https://bugzilla.kernel.org/show_bug.cgi?id=78721 Bug ID: 78721 Summary: VFS: brelse: Trying to free free buffer Product: File System Version: 2.5 Kernel Version: 3.15.1 Hardware: i386 OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: ext4 Assignee: fs_ext4@xxxxxxxxxxxxxxxxxxxx Reporter: deweloper@xxxxx Regression: No Created attachment 140641 --> https://bugzilla.kernel.org/attachment.cgi?id=140641&action=edit dmesg [ 5188.946855] ------------[ cut here ]------------ [ 5188.956366] WARNING: CPU: 0 PID: 6949 at fs/buffer.c:1206 __brelse+0x34/0x40() [ 5188.971168] VFS: brelse: Trying to free free buffer [ 5188.981113] Modules linked in: af_packet snd_via82xx snd_mpu401_uart snd_rawmidi snd_ac97_codec ac97_bus snd_pcm snd_timer snd soundcore eeprom i2c_viapro vt8231 saa7134_empress via686a hwmon saa6752hs tuner_simple tuner_types tda9887 tda8290 tuner saa7134 tveeprom videobuf_dma_sg videobuf_core v4l2_common videodev i2c_core sd_mod uhci_hcd sata_nv pata_amd pata_via ata_piix libata scsi_mod ext4 crc16 mbcache jbd2 vfat fat via_rhine forcedeth 8139too 3c59x mii 3c509 nvram rtc_cmos usbkbd usbcore usb_common unix pcspkr [ 5189.076610] CPU: 0 PID: 6949 Comm: record Not tainted 3.15.1 #6 [ 5189.088652] c0314842 c0126df6 c0385d24 c22afbcc 00001b25 c0384b22 000004b6 c01b3ca4 [ 5189.104729] c01b3ca4 c22afc14 c1b028f8 00000003 c22afc38 c0126ea3 00000009 c22afbb4 [ 5189.120931] c0385d24 c22afbcc c01b3ca4 c0384b22 000004b6 c0385d24 c49f2c6c 00000001 [ 5189.137091] Call Trace: [ 5189.142177] [<c0314842>] ? dump_stack+0xa/0x13 [ 5189.151503] [<c0126df6>] ? warn_slowpath_common+0x76/0x90 [ 5189.162740] [<c01b3ca4>] ? __brelse+0x34/0x40 [ 5189.171894] [<c01b3ca4>] ? __brelse+0x34/0x40 [ 5189.181165] [<c0126ea3>] ? warn_slowpath_fmt+0x33/0x40 [ 5189.192079] [<c01b3ca4>] ? __brelse+0x34/0x40 [ 5189.201536] [<c49f2c6c>] ? ext4_ind_map_blocks+0x31c/0x5b0 [ext4] [ 5189.214409] [<c49c5984>] ? ext4_map_blocks+0x2a4/0x560 [ext4] [ 5189.226614] [<c49c7216>] ? _ext4_get_block+0x76/0x180 [ext4] [ 5189.238418] [<c01b381b>] ? alloc_page_buffers+0x4b/0x90 [ 5189.249321] [<c01b5130>] ? __block_write_begin+0x160/0x380 [ 5189.260918] [<c49c849f>] ? ext4_write_begin+0x17f/0x3e0 [ext4] [ 5189.273283] [<c49c7340>] ? ext4_get_block_write+0x10/0x10 [ext4] [ 5189.285943] [<c49c9520>] ? ext4_write_end+0x200/0x350 [ext4] [ 5189.297750] [<c0167b0e>] ? generic_perform_write+0xbe/0x1c0 [ 5189.309382] [<c016955d>] ? __generic_file_aio_write+0x1ed/0x470 [ 5189.321704] [<c016982a>] ? generic_file_aio_write+0x4a/0x100 [ 5189.333631] [<c49c1042>] ? ext4_file_write+0xc2/0x4f0 [ext4] [ 5189.345479] [<c4b7638d>] ? __videobuf_copy_to_user.isra.2+0x3d/0x50 [videobuf_core] [ 5189.361315] [<c4b77e1f>] ? videobuf_read_stream+0x25f/0x2b0 [videobuf_core] [ 5189.375728] [<c01907db>] ? do_sync_write+0x5b/0x90 [ 5189.385772] [<c0190780>] ? do_sync_readv_writev+0x90/0x90 [ 5189.397018] [<c01912f7>] ? vfs_write+0x97/0x190 [ 5189.406529] [<c019171c>] ? SyS_write+0x4c/0xb0 [ 5189.415810] [<c03171fa>] ? syscall_call+0x7/0xb [ 5189.425310] ---[ end trace 9de2bd6272909976 ]--- [ 5189.464211] ------------[ cut here ]------------ uname -a: Linux video 3.15.1 #6 Sun Jun 22 13:12:40 CEST 2014 i586 GNU/Linux -- You are receiving this mail because: You are watching the assignee of the bug. -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html