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authorSven Schnelle <svens@stackframe.org>2011-06-29 15:05:28 +0200
committerPatrick Georgi <patrick@georgi-clan.de>2011-06-29 16:54:14 +0200
commit811787abd5ec0c944a77ad1dda8817c95948b0c4 (patch)
tree28dc98edcc2aa901708ab8e18c00a241a4f74f92 /src/mainboard/asus/p2b-f
parent55bf2e49d66af779e3e514db1bd716b354329559 (diff)
downloadcoreboot-811787abd5ec0c944a77ad1dda8817c95948b0c4.tar.xz
i82801gx: read RTC status register to prevent IRQ storm
My Thinkpad appeared dead. After investigation, it turned out that the RTC Alarm was triggering an RTC PM1 SMI, but the SMI handler didn't read the status register, so it was triggered again. This is a really nasty situation, as it means you have to dissemble your Notebook just to unplug the RTC battery. Change-Id: I5ac611e8a72deb5f38c86486dbe0693804935723 Signed-off-by: Sven Schnelle <svens@stackframe.org> Reviewed-on: http://review.coreboot.org/67 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
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