Messages in this thread | | | From | "Rafael J. Wysocki" <> | Subject | Re: 2.6.29-rc3: tg3 dead after resume | Date | Sat, 31 Jan 2009 19:51:28 +0100 |
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On Saturday 31 January 2009, Parag Warudkar wrote: > > On Fri, 30 Jan 2009, Linus Torvalds wrote: > > > If you can try the patch I just sent out, and use that as a base for > > trying to track down why the heck the legacy code doesn't work, that would > > be great. It might fix it (assuming my guess about "restore_state while in > > PCI_D3 doesn't work" was correct), but quite frankly, it's equally > > possible that it just makes things worse. But it would be really > > interesting to hear.. > > Sure - will do. > > > > > Your machine does seem to be interesting, in that not only does it have a > > PCI-E bridge in it (the eeepc I was playing around with at LCA does not), > > but judging by the lost config state I also suspect that it actually loses > > power during STR. > > Not sure what the significance of eeepc is in this case - mine being a > standard Intel 5400 chipset I would have thought that's the last > place to look for interesting things! > > > Which is not at all necessarily a given - I suspect it depends on just how > > the power rails are set up on the motherboard. The fact that PCI-E bridges > > have apparently worked for others implies that your problems don't happen > > for everybody, and may relate to that issue. > > Do we know this for sure that PCI-E bridges + Suspend have worked for > others - In this thread at least I think people reported tg3 worked but not > necessarily with a PCI-E bridge.
Technically, they are PCIe root ports and many systems have network adapters connected through them (I have two such systems here, but none of them with tg3-compatible hardware - my tg3 is a PCI device).
Thanks, Rafael
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