Messages in this thread | | | Date | Wed, 11 Jun 2008 14:29:35 +0400 | From | Alexey Starikovskiy <> | Subject | Re: ACPI: EC: GPE storm detected, disabling EC GPE |
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Pavel Machek wrote: > Hi! > > On Sat 2008-06-07 23:28:08, Alexey Starikovskiy wrote: > >> Justin Mattock wrote: >> >>> On Sat, Jun 7, 2008 at 6:55 AM, Andrew Morton >>> > > >>> This issue just recently started, 2.6.25-rc9 and below >>> don't give me >>> this message. >>> >>> >> Yes, the problem which we are fighting here is that >> almost all Acer notebooks come with >> broken EC. It sends interrupts not regarding the fact >> that we already ACKed it. >> It comes unnoticed on almost all machines (some notice >> laggy keyboard, because it's the same controller after >> all and it's busy with sending ACPI interrupts and then >> providing same status byte over and over), but on some >> machines keystrokes become missing, which is not >> tolerable (#9998). >> > > But the acer workaround breaks other machines, right? > > As I know, the first workaround broke your machine, may be you could check if it is broken now? > So what about > > a) use dmi blacklist for acers? > > It is not only Acers. ASUS eeePC is known to be affected, some Apple notebook too. > or > > b) if EC storm is detected print message telling 'please pass > ec_polled=true if you experience keyboard problems', but do nothing > else? > > There are no reports about broken machines for 2.6.26-rc5 beside #10724, which has same broken controller, sending same amount of stray interrupts. If there will be report from a good machine affected by this workaround then I will certainly go with b)
Thanks, Alex.
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