Today I wanted to run xfs_fsr on my laptop. I got:
------------[ cut here ]------------
kernel BUG at fs/direct-io.c:916!
invalid opcode: 0000 [#1]
PREEMPT
last sysfs file: /devices/pci0000:00/0000:00:13.0/usb1/idProduct
Modules linked in: tda9887 tuner rtc rtc_dev rtc_ds1672 rtc_m48t86 rtc_pcf8563 rtc_rs5c372 rtc_sysfs rtc_x1205 rtc_core rtc_lib thermal fan button processor ac battery af_packet ide_scsi scsi_mod saa7134_dvb mt352 saa7134 compat_ioctl32 v4l2_common v4l1_compat ir_kbd_i2c ir_common videodev video_buf_dvb dvb_core video_buf nxt200x dvb_pll tda1004x i2c_core usbhid usbmouse tsdev pcmcia firmware_class yenta_socket psmouse evdev rt2500 rsrc_nonstatic pcmcia_core 8139too ehci_hcd ohci_hcd usbcore snd_atiixp_modem snd_atiixp snd_ac97_codec ide_cd ati_agp agpgart snd_ac97_bus snd_pcm snd_timer snd soundcore snd_page_alloc cdrom unix
CPU: 0
EIP: 0060:[<c0182645>] Not tainted VLI
EFLAGS: 00210246 (2.6.16-mm1 #1)
EIP is at __blockdev_direct_IO+0xe75/0xed5
eax: 00000007 ebx: dd029254 ecx: 00000009 edx: 00000000
esi: 00000000 edi: 00000000 ebp: dd029200 esp: d52e1c98
ds: 007b es: 007b ss: 0068
Process xfs_fsr (pid: 22319, threadinfo=d52e1000 task=c9278580)
Stack: <0>00000001 006e78ea 174a9067 c014a4bd 00002c00 dd029254 00011200 ddf394c0
c7bc425c d52e1ef8 00000001 01bd4040 00000009 00000009 c14f601c 00003000
00000000 00000000 00000000 c14f2fa0 00000009 00200286 00000008 00000001
Call Trace:
<c014a4bd> __handle_mm_fault+0x77d/0x850 <c01f760a> xfs_vm_direct_IO+0xda/0x100
<c01f7a40> xfs_get_blocks_direct+0x0/0x50 <c01f7170> xfs_end_io_direct+0x0/0x90
<c0175729> touch_atime+0x59/0xc0 <c013cd27> generic_file_direct_IO+0x87/0x130
<c013ce40> generic_file_direct_write+0x70/0x1b0 <c0175659> file_update_time+0x39/0xb0
<c01ff906> xfs_write+0x4a6/0xd40 <c013c520> file_read_actor+0x0/0xe0
<c01fb887> xfs_file_aio_write+0x87/0xb0 <c015b594> do_sync_write+0xc4/0x120
<c012e5b0> autoremove_wake_function+0x0/0x50 <c0205826> sys_shmdt+0x6/0x1a0
<c01fba15> xfs_file_ioctl+0x35/0x70 <c015baa3> vfs_write+0xa3/0x160
<c015b4d0> do_sync_write+0x0/0x120 <c015c451> sys_write+0x41/0x70
<c0102e93> sysenter_past_esp+0x54/0x75
Code: ff ff 8b 84 24 80 00 00 00 bb f1 ff ff ff e8 73 21 fc ff 8b 75 2c 8b 55 34 e9 65 f8 ff ff e8 63 44 17 00 8d 76 00 e9 e4 f9 ff ff <0f> 0b 94 03 55 01 31 c0 8d 76 00 e9 dd fb ff ff e8 46 44 17 00
# uname -a
Linux knarzkiste 2.6.16-mm1 #1 PREEMPT Fri Mar 24 19:01:24 CET 2006 i686 GNU/Linux
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