将 14.04 生产服务器从 3.13 内核升级到 4.4.0-112 后,每隔几分钟就会出现这些错误:
[drm:drm_edid_block_valid [drm]] *ERROR* EDID checksum is invalid, remainder is 130
Raw EDID:
00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
i2c i2c-1: sendbytes: NAK bailout.
i2c i2c-1: sendbytes: NAK bailout.
i2c i2c-1: sendbytes: NAK bailout.
i2c i2c-1: sendbytes: NAK bailout.
i2c i2c-1: sendbytes: NAK bailout.
i2c i2c-1: sendbytes: NAK bailout.
i2c i2c-1: sendbytes: NAK bailout.
我该如何摆脱它们?显然它没有安装 Xserver。
$ lsmod | grep kms
drm_kms_helper 151552 1 radeon
drm 360448 4 ttm,drm_kms_helper,radeon
fb_sys_fops 16384 1 drm_kms_helper
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
答案1
就目前而言,降级至3.13.0-141
有帮助。