Thank you feedback! 在 2019/9/29 上午1:39, Henrique de Moraes Holschuh 写道: > On Thu, 26 Sep 2019, Faris Xiao wrote: >> please help see this question: >> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=941115 > That report is very light on the details AND it is written in extremely > imprecise language. > > You did not even say if it is a new issue, or if it is a bug that has > always been there... It's a bug always been there.It take place very time,it's reproduceable. > > It is no wonder the Debian kernel maintainer closed it. > >> Bug#941115: linux-image-4.19.0-6-686: cat /proc/acpi/ibm/video ,computer >> dead !thinkpad_acpi bug?) > Please describe exactly what you mean with "computer dead". > > For all I know, it could either just hang, or it could be with the > screen off but still running, or it could have been stuck into a > firmware state where it doesn't want to work again, even if you power it > off and on. > > Use precise language and do NOT skip the details when reporting issues, > or we won't understand what you mean. Please see the following describe info:
1.screen off, no any display,It's whole dark. 2.network down, ping has not respond 3.Fn + Home,Fn + End, they can work.The background light of screen can been tuned. 4.need to press power button to shutdown computer, after power on it again,computer can normal boot ,but bug is still exist. > >> These commands also cause my computer dead. >> >> Is there i915 driver problem ? I has these error info in dmesg: >> >> [ 4.847462] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* >> CPU pipe A FIFO underrun >> [ 4.847559] [drm:intel_set_cpu_fifo_underrun_reporting [i915]] >> *ERROR* pipe B underrun >> [ 4.847640] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* >> CPU pipe B FIFO underrun It's another bug,I had reported on: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=941197 https://bugs.freedesktop.org/show_bug.cgi?id=111838 This bug need Intel to trouble analysis. > The ACPI video control exposed by /proc/acpi/ibm/video is an old > interface, it has been mostly superseded by other APIs since i915 came > around, some of which are also now gone too. > -- 肖盛文 Faris Xiao
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