On Wednesday, November 28, 2012 05:21:24 PM Zdenek Kabelac wrote: > Dne 28.11.2012 17:01, Linus Torvalds napsal(a): > > Adding more people (and the acpi list) to this report. > > > > I'm seeing *very* few changes to the core suspend/resume path in 3.7, > > and while there are some acpia updates, they seem to be pretty mild > > too. > > > > I think the acpi_os_wait_semaphore thing is a red herring - that's > > just stale on the stack. > > > > Do you have the register state from the oops? Or at least the "Code:" > > line? It would be nice to see exactly where the oops happens, and I > > cannot line up your "acpi_ns_lookup + 0xa1/0x5b9" with any code due > > to different compilers (and configurations etc). > > > > Linus > > > > > I've opened https://bugzilla.kernel.org/show_bug.cgi?id=51071 > and attached picture there which is all I have. > > I'll try to decode exact code line. > > > In all cases - I've played even with 3.4 kernel - which also does not survive > multiple resumes in docking station - though it just leaves black screen - so > this oops is rather 'progress' and it also could be false path. > > It's probably not a regression from 3.6 - since this problem was there for > much longer - but now it has just become much more visible. > > As I usually do not have reason to make multiple suspend/resumes in dock I've > not noticed it until now when I've tried to capture this ACPI trace.
Well, if ACPI PNP devices are involved, and it looks like they are, that definitely is not a new problem. We're now in the process of reworking this area quite a bit and we'll do our best to address this issue too in the process. Thanks, Rafael -- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
