Hi all, I'm facing some various odd issues with a AMD64 based laptop (Compaq R3480EA) I bought recently.
On first boot, everything is all right. The laptop runs flawlessly. But if I shutdown the laptop and restart it, I can see all kind of strange things happening. 1) the system clock runs 3 times faster, 2) the system is unable to mount cdroms, 3) modprobing nidswrapper cause a whole system freeze with the following message: CPU 0: Machine Check Exception: 0000000000000004 Bank 4: b200000000070f0f Kernel panic - not syncing: CPU context corrupt I've tried with various kernels and distributions in 32bit and 64bit modes but that make no differences. I also tried disable ACPI, setting clock=[tsc|pmtmr|pti], diabling APIC, etc. No luck. No matter how many reboots I do, the problem remains. The only way to fix the problem is to keep the laptop off for a couple of hours. I thought of a hardware issue, but in WinXP, everything is fine. And in the case of a hardware issue, I guess the problem would always show, not just in Linux after a reboot. My guess is that the BIOS doesn't re-initialize the hardware correctly in case of a quick shutdown/reboot but WinXP might be initializing the things by itself (it's a guess, I'm probably completely wrong). Does that make any sense so someone? How could I help tracking down this issue? Thanks in advance, Best regards, Olivier. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/