Comment 23 for bug 1547204

This bug shows up every time I boot linux on this laptop.

$ sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date
68YGU Ver. F.07
07/28/2006

Text of the error, from dmesg:

Mar 11 16:46:13 lappy kernel: [ 3.260587] WARNING: CPU: 0 PID: 170 at /build/linux-Nasqxe/linux-4.4.0/drivers/gpu/drm/drm_atomic_helper.c:723 drm_at
omic_helper_update_legacy_modeset_state+0x26a/0x280 [drm_kms_helper]()
Mar 11 16:46:13 lappy kernel: [ 3.260599] Modules linked in: i915 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ahci b44
 drm psmouse ssb libahci pata_acpi mii wmi fjes video
Mar 11 16:46:13 lappy kernel: [ 3.260603] CPU: 0 PID: 170 Comm: kworker/u4:6 Tainted: G W 4.4.0-66-generic #87-Ubuntu
Mar 11 16:46:13 lappy kernel: [ 3.260604] Hardware name: Hewlett-Packard HP Compaq nx7400 (RB525UT#ABA)/30A2, BIOS 68YGU Ver. F.07 07/28/2006

I'm not sure what this is breaking in the system.