From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Raskin Subject: OOPS with btrfs on -rc2: trace Date: Thu, 16 Jul 2009 18:40:11 +0400 Message-ID: <4A5F3BCB.7050405@rambler.ru> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="------------050205050802040004020700" To: linux-btrfs@vger.kernel.org Return-path: List-ID: This is a multi-part message in MIME format. --------------050205050802040004020700 Content-Type: text/plain; charset=KOI8-R Content-Transfer-Encoding: 7bit The same tons-of-symlinking activity --------------050205050802040004020700 Content-Type: text/plain; name="btrfs.fail4" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline; filename="btrfs.fail4" [ 1104.390880] BUG: unable to handle kernel NULL pointer dereference at 0= 0000008 [ 1104.390887] IP: [] __rb_rotate_left+0x12/0x8c [ 1104.390895] *pdpt =3D 0000000034d5c001 *pde =3D 0000000000000000=20 [ 1104.390901] Oops: 0000 [#1] SMP=20 [ 1104.390905] last sysfs file: /sys/devices/system/cpu/cpu0/cpufreq/scal= ing_cur_freq [ 1104.390912] Modules linked in: usblp raid456 raid6_pq async_xor async_= memcpy async_tx xor snd_pcm_oss snd_mixer_oss raid1 af_packet raid0 md_mo= d ipv6 ipip tunnel4 radeon drm snd_hda_codec_si3054 snd_hda_codec_realtek= snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore sn= d_page_alloc atiixp ftdi_sio usbserial loop ati_agp agpgart p4_clockmod s= peedstep_lib 8139too mii kqemu fuse thermal thermal_sys hwmon ac battery = asus_laptop backlight led_class tun usb_storage usb_libusual dm_mod ide_g= eneric ide_gd_mod ide_cd_mod ide_core sr_mod cdrom pata_marvell ata_piix = sata_uli sata_sis pata_sis sata_via sata_nv ahci fbdev xtkbd atkbd ohci_h= cd ssb pcmcia pcmcia_core firmware_class ehci_hcd uhci_hcd usbhid hid usb= core unix btrfs zlib_deflate libcrc32c crc32c libata sd_mod scsi_mod crc_= t10dif jfs nls_base xfs exportfs ext3 jbd mbcache synaptics_i2c i2c_core = sermouse psmouse libps2 pcips2 i8042 serio evdev mousedev [ 1104.391014]=20 [ 1104.391018] Pid: 18699, comm: perl Tainted: G W (2.6.31-rc2 #1= ) X51RL =20 [ 1104.391022] EIP: 0060:[] EFLAGS: 00010282 CPU: 0 [ 1104.391028] EIP is at __rb_rotate_left+0x12/0x8c [ 1104.391031] EAX: e60a4fec EBX: 00000000 ECX: c1034f3b EDX: e70d20bc [ 1104.391035] ESI: e60a4fec EDI: f58bfa64 EBP: ee56dd4c ESP: ee56dd40 [ 1104.391039] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 1104.391043] Process perl (pid: 18699, ti=3Dee56d000 task=3Df109bd90 ta= sk.ti=3Dee56d000) [ 1104.391046] Stack: [ 1104.391049] e2e34adc e2e34adc e60a4fec ee56dd68 c12984c4 f58bfa64 e28= 41c94 e2e34adc [ 1104.391057] <0> e2841cfc e75405d4 ee56dd84 f8c16174 f58bf800 e2841bd8 = e2841cfc ee56ddbc [ 1104.391066] <0> 00000000 ee56dddc f8c1c933 0033c53f 80000000 fffff000 = e2841bd8 00000011 [ 1104.391076] Call Trace: [ 1104.391082] [] ? rb_insert_color+0x14c/0x19d [ 1104.391120] [] ? inode_tree_add+0x131/0x162 [btrfs] [ 1104.391162] [] ? btrfs_iget+0x6cb/0x6f8 [btrfs] [ 1104.391168] [] ? kmap_atomic+0x22/0x32 [ 1104.391210] [] ? btrfs_lookup_dentry+0x288/0x2d1 [btrfs] [ 1104.391253] [] ? btrfs_lookup+0x37/0x82 [btrfs] [ 1104.391268] [] ? do_lookup+0x153/0x2cb [ 1104.391274] [] ? __link_path_walk+0xcf8/0xf61 [ 1104.391279] [] ? path_walk+0xb4/0x19b [ 1104.391284] [] ? do_path_lookup+0x4f/0x193 [ 1104.391289] [] ? user_path_at+0x94/0xe4 [ 1104.391296] [] ? vfs_fstatat+0x5f/0xc0 [ 1104.391301] [] ? vfs_lstat+0x24/0x34 [ 1104.391307] [] ? sys_lstat64+0x22/0x60 [ 1104.391312] [] ? sysenter_do_call+0x12/0x28 [ 1104.391316] Code: 00 00 8d 65 f8 5b 5e 5d c3 55 89 e5 b8 04 b7 63 c1 e= 8 a8 15 e4 ff 5d c3 90 55 89 e5 57 56 53 89 c6 89 d7 8b 58 04 8b 10 83 e2= fc <8b> 4b 08 89 48 04 85 c9 74 17 8b 01 83 e0 03 09 f0 89 01 83 05=20 [ 1104.391364] EIP: [] __rb_rotate_left+0x12/0x8c SS:ESP 0068:e= e56dd40 [ 1104.391371] CR2: 0000000000000008 [ 1104.391376] ---[ end trace aefd5bf8b0fdf921 ]--- --------------050205050802040004020700--