Comment 16 for bug 588243

still present in Lucid:

 * Will now restart
[10485.309844] kernel BUG at /home/flag/canonical/ubuntu-lucid/drivers/video/omap2/dss/core.c:323!
[10485.318664] Unable to handle kernel NULL pointer dereference at virtual address 00000000
[10485.326873] pgd = cc754000
[10485.329620] [00000000] *pgd=00000000
[10485.333221] Internal error: Oops: 805 [#1]
[10485.337310] last sysfs file: /sys/kernel/kexec_loaded
[10485.342407] Modules linked in: nls_iso8859_1 nls_cp437 omap_wdt leds_gpio
[10485.349243] CPU: 0 Not tainted (2.6.33-502-omap #10)
[10485.354614] PC is at __bug+0x1c/0x24
[10485.358184] LR is at __bug+0x18/0x24
[10485.361785] pc : [<c0038a78>] lr : [<c0038a74>] psr: 60000013
[10485.361785] sp : c1513e20 ip : 00000000 fp : 00000000
[10485.373321] r10: 00000000 r9 : c1512000 r8 : c0034c08
[10485.378570] r7 : c02a59fc r6 : c1513e48 r5 : 00000000 r4 : 00000003
[10485.385131] r3 : 00000000 r2 : c062a928 r1 : 60000013 r0 : 00000069
[10485.391693] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
[10485.398864] Control: 10c5387d Table: 8c754019 DAC: 00000015
[10485.404632] Process reboot (pid: 3701, stack limit = 0xc15122e8)
[10485.410675] Stack: (0xc1513e20 to 0xc1514000)
[10485.415069] 3e20: 00000002 c029e92c c0622fd8 c02a58a8 c0622fd8 c02b0718 00000000 c02a5a0c
[10485.423278] 3e40: 00000002 c02dd620 cf846a78 ceee3870 c0342720 c06297b0 c06ca1c4 01234567
[10485.431488] 3e60: 00000003 c02df14c c02df134 c02da4fc 00000000 c062c078 01234567 c0079bf0
[10485.439727] 3e80: 00000000 c0079c28 00000000 c0079db4 00020002 4002d000 00000000 cf9bd180
[10485.447937] 3ea0: cee45540 cc754000 cc755000 00000000 00000000 c00e4480 0000000c 00000000
[10485.456146] 3ec0: 00000000 c14d41f0 c1513fb0 80000007 cee45540 4002d3cc 000000c8 c1513fb0
[10485.464385] 3ee0: 80000007 c0497bdc c153e01c c14d4e80 00000007 c061a6dc 4002d3cc c1513fb0
[10485.472595] 3f00: 00000004 00000000 2a009f3c c0034260 0000000f c005c4d4 000001c8 c0494638
[10485.480804] 3f20: 0001e848 00000000 c062a358 c063791c c061a940 c0629d10 4d23435b 00000989
[10485.489044] 3f40: 00007735 00000000 0046509a c1512000 c063827c 00000000 00000024 00000000
[10485.497253] 3f60: c1512000 00000000 c1513f7c c0494638 00000001 c14e4a40 00000001 c14e4a00
[10485.505462] 3f80: 00000001 c011ff10 2a009f3c 00000000 00000000 2a009f3c 00000000 00000000
[10485.513702] 3fa0: 00000058 c0034a60 2a009f3c 00000000 fee1dead 28121969 01234567 00000003
[10485.521911] 3fc0: 2a009f3c 00000000 00000000 00000058 00000004 00000000 2a009f3c 00000000
[10485.530120] 3fe0: 00000058 bebb8cac 400d63ad 4004f896 00000030 fee1dead 00000000 00000000
[10485.538360] [<c0038a78>] (__bug+0x1c/0x24) from [<c029e92c>] (dss_clk_disable+0x88/0x98)
[10485.546508] [<c029e92c>] (dss_clk_disable+0x88/0x98) from [<c02a58a8>] (omapdss_dpi_display_disable+0x20/0x3c)
[10485.556579] [<c02a58a8>] (omapdss_dpi_display_disable+0x20/0x3c) from [<c02b0718>] (generic_panel_disable+0xc/0x18)
[10485.567047] [<c02b0718>] (generic_panel_disable+0xc/0x18) from [<c02a5a0c>] (dss_disable_device+0x10/0x18)
[10485.576782] [<c02a5a0c>] (dss_disable_device+0x10/0x18) from [<c02dd620>] (bus_for_each_dev+0x60/0x8c)
[10485.586151] [<c02dd620>] (bus_for_each_dev+0x60/0x8c) from [<c02df14c>] (platform_drv_shutdown+0x18/0x1c)
[10485.595764] [<c02df14c>] (platform_drv_shutdown+0x18/0x1c) from [<c02da4fc>] (device_shutdown+0x88/0xac)
[10485.605285] [<c02da4fc>] (device_shutdown+0x88/0xac) from [<c0079bf0>] (kernel_restart_prepare+0x2c/0x34)
[10485.614929] [<c0079bf0>] (kernel_restart_prepare+0x2c/0x34) from [<c0079c28>] (kernel_restart+0xc/0x40)
[10485.624359] [<c0079c28>] (kernel_restart+0xc/0x40) from [<c0079db4>] (sys_reboot+0x150/0x1f4)
[10485.632934] [<c0079db4>] (sys_reboot+0x150/0x1f4) from [<c0034a60>] (ret_fast_syscall+0x0/0x2c)
[10485.641693] Code: e30b0698 e34c0056 eb116cc6 e3a03000 (e5833000)
[10485.658050] ---[ end trace 0707d084050f2853 ]---
Segmentation fault