Public bug reported:
It happens on reboot. The whole set of issues started when I did an "apt-get
dist-upgrade" from dapper to edgy. The xOrg wouldn't start and I started to get
the same errors everyone else is reporting, "FreeFontPath: FPE
"/usr/share/fonts/X11/misc/" refcount is 2, should be 1;" and
"AIGLX: Screen 0 is not DRI capable". After much playing around with my
xorg.conf, I gave up and rebooted. This is when I got this error. I can
provide any more information that may be helpful in solving the problem, but I
don't want to provide too much extraneous information.
Excerpt from dmesg:
[17179613.704000] BUG: soft lockup detected on CPU#0!
[17179613.704000] <c0121752> update_process_times+0x22/0x60 <c0106a26>
timer_interrupt+0x46/0x90
[17179613.704000] <c0139ae3> handle_IRQ_event+0x33/0x60 <c0139b80>
__do_IRQ+0x70/0xc0
[17179613.704000] <c01056f9> do_IRQ+0x19/0x30 <c0103e8a>
common_interrupt+0x1a/0x20
[17179613.704000] <e0b4e533> NVDmaWait+0xd3/0x190 [nvidiafb] <e0b4e970>
nvidiafb_imageblit+0x380/0x3a0 [nvid
iafb]
[17179613.704000] <c0140deb> get_page_from_freelist+0x30b/0x380 <e081f5d1>
bit_putcs+0x391/0x630 [bitblit]
[17179613.704000] <c01e00ff> fb_cmap_to_user+0x1f/0xd0 <e0b48cb9>
nvidia_write_clut+0x59/0x80 [nvidiafb]
[17179613.704000] <e083980d> fbcon_putcs+0x18d/0x2c0 [fbcon] <e081f240>
bit_putcs+0x0/0x630 [bitblit]
[17179613.704000] <c0217ab6> do_update_region+0x126/0x160 <c021a2a7>
redraw_screen+0x137/0x1e0
[17179613.704000] <c02113f9> tty_wait_until_sent+0xc9/0xe0 <c0212628>
complete_change_console+0x28/0xe0
[17179613.704000] <c0213f33> vt_ioctl+0x1723/0x1830 <c0212810>
vt_ioctl+0x0/0x1830
[17179613.704000] <c020ddb5> tty_ioctl+0x105/0xd90 <c02c6d6a>
do_general_protection+0x14a/0x180
[17179613.704000] <c011dc02> __do_softirq+0x42/0x90 <c02c6c20>
do_general_protection+0x0/0x180
[17179613.704000] <c0103f7f> error_code+0x4f/0x60 <c020dcb0>
tty_ioctl+0x0/0xd90
[17179613.704000] <c0169c39> do_ioctl+0x69/0x70 <c0169c9c>
vfs_ioctl+0x5c/0x270
[17179613.704000] <c0169f22> sys_ioctl+0x72/0x90 <c0102e27>
syscall_call+0x7/0xb
[17179829.824000] DMA Get lockup
** Affects: Ubuntu
Importance: Undecided
Status: Unconfirmed
--
nvidia fb causes soft CPU lockup
https://launchpad.net/bugs/81924
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