Messages in this thread | | | Date | Thu, 16 Jan 2003 14:54:04 -0500 (EST) | From | Zwane Mwaikambo <> | Subject | Re: CONFIG_APM_DISPLAY_BLANK problem in the 2.5 kernel |
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On Thu, 16 Jan 2003, Mikael Pettersson wrote:
> However, 2.5 kernels tend to hang the machine when the console screen > blanker kicks in. "Tend to" as in almost but not quite always. > Recently I found that disabling APM_DISPLAY_BLANK eliminates the hangs. > > My other boxes don't have any problems with APM_DISPLAY_BLANK, and this > box does run 2.4 fine with APM_DISPLAY_BLANK, so it seems there must > be some change in the 2.5 kernel's APM driver that is problematic on > this particular box. > > (UP_APIC, APM, and APM_DO_ENABLE are enabled; IO_APIC, SMP, PREEMPT, ACPI, > and the other APM options are disabled. PCI S3 Trio64V2/DX graphics card.)
I've seen the same thing on a laptop, on my system the display just never comes back on again, although i can still use it via a serial console or network. I only know it was CONFIG_APM related because i can't reproduce without it, i just never looked into it.
Zwane -- function.linuxpower.ca
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