https://bugzilla.kernel.org/show_bug.cgi?id=29202





--- Comment #3 from Adam Kovari <kovaria...@gmail.com>  2011-02-19 13:26:14 ---
New stack trace from -rc5:


------------[ cut here ]------------
kernel BUG at fs/inode.c:1421!
invalid opcode: 0000 [#2] PREEMPT SMP 
last sysfs file: /sys/devices/pci0000:00/0000:00:19.0/net/eth0/carrier
CPU 3 
Modules linked in: aesni_intel cryptd aes_x86_64 aes_generic ses enclosure
usb_storage uas uvcvideo videodev v4l2_compat_ioctl32 snd_seq_dummy snd_seq_oss
snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss arc4 ecb
snd_hda_codec_hdmi iwlagn i915 iwlcore drm_kms_helper snd_hda_codec_idt drm
mac80211 ehci_hcd snd_hda_intel ppdev snd_hda_codec e1000e serio_raw
firewire_ohci pcspkr psmouse i2c_algo_bit cfg80211 parport_pc usbcore ipv6
dell_wmi dell_laptop firewire_core sg lp iTCO_wdt sdhci_pci iTCO_vendor_support
sdhci video evdev dcdbas sparse_keymap intel_agp i2c_i801 parport intel_gtt
i2c_core mmc_core ac processor button container intel_ips battery wmi snd_hwdep
snd_pcm rfkill snd_timer snd soundcore snd_page_alloc crc_itu_t fuse ext4
mbcache jbd2 crc16 sr_mod cdrom sd_mod ahci libahci libata scsi_mod

Pid: 4313, comm: umount Tainted: G      D W   2.6.38-rc5-mainline #1 Dell Inc.
Latitude E6410/0667CC
RIP: 0010:[<ffffffff8114c5f0>]  [<ffffffff8114c5f0>] iput+0x240/0x2a0
RSP: 0018:ffff880070bcbda8  EFLAGS: 00010202
RAX: 0000000000000000 RBX: ffff880117a70b80 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff81562580 RDI: ffff880117a70b80
RBP: ffff880070bcbdb8 R08: 2222222222222222 R09: 2222222222222222
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000083 R14: ffff880117a70aa0 R15: ffff880117828a80
FS:  00007f35b184a740(0000) GS:ffff8800db4c0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 0000000001c0f0a8 CR3: 0000000116d43000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process umount (pid: 4313, threadinfo ffff880070bca000, task ffff88008ee6b780)
Stack:
 ffff880117a70a80 0000000000000000 ffff880070bcbe08 ffffffff811668a7
 ffff880070bcbdf8 ffffffffa0026e80 ffff880070bcbf28 ffff880117a70a80
 0000000000000083 ffff880117a70aa0 ffff880070bcbf01 ffff88011577d000
Call Trace:
 [<ffffffff811668a7>] __blkdev_put+0x137/0x1c0
 [<ffffffff81166a01>] blkdev_put+0xd1/0x170
 [<ffffffff811354c9>] kill_block_super+0x49/0x80
 [<ffffffffa012198d>] fuse_kill_sb_blk+0x4d/0x60 [fuse]
 [<ffffffff81135825>] deactivate_locked_super+0x45/0x70
 [<ffffffff81136615>] deactivate_super+0x45/0x60
 [<ffffffff81150b8a>] mntput_no_expire+0x9a/0xe0
 [<ffffffff81151687>] sys_umount+0x67/0x390
 [<ffffffff8100bdd2>] system_call_fastpath+0x16/0x1b
Code: 41 00 83 05 c6 97 5f 00 01 48 89 05 6b 8a 41 00 48 89 42 08 48 89 93 88
00 00 00 48 c7 83 90 00 00 00 40 50 56 81 e9 4f fe ff ff <0f> 0b be 6e 05 00 00
48 c7 c7 9a 09 48 81 e8 cd b3 f0 ff 48 8b 
RIP  [<ffffffff8114c5f0>] iput+0x240/0x2a0
 RSP <ffff880070bcbda8>
dell-wmi: Received unknown WMI event (0x11)
[drm:ironlake_crtc_disable] *ERROR* failed to disable transcoder
---[ end trace d096156fa0643175 ]---

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