Re: ACPI + IO-APIC power off by button problems

I can't post my dmesg , or , better, it will be unuseful , because I use
Software RAID, and Software RAID makes very much output that delete the
first part of my dmesg (the part that you need). If this can be useful  to
you when the system starts I see a message like "No IRQ Known for  device
X.XX.X using IRQ 255 " and " try to start with option pci=noacpi"  or
something like that.

You could modify the kernel's log buffer size, rebuild the
kernel, and save the boot log from that larger log buffer.

I don't know what kernel version you are using, but in
2.5.recent, there's a config option to change the log buffer
size, and in 2.4.recent, you can edit
linux/kernel/printk.c (cut-n-paste below) to change it:

#if defined(CONFIG_MULTIQUAD) || defined(CONFIG_IA64)
#define LOG_BUF_LEN	(65536)
#elif defined(CONFIG_ARCH_S390)
#define LOG_BUF_LEN	(131072)
#elif defined(CONFIG_SMP)
#define LOG_BUF_LEN	(32768)
#else
#define LOG_BUF_LEN	(16384)			/* This must be a power of two */
#endif

Just make sure that you set it to a power of 2.

~Randy





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