Alan Jenkins wrote: > Bjorn Helgaas wrote: > >> On Tuesday 14 April 2009 09:17:28 am Arjan van de Ven wrote: >> >> >>> On Tue, 14 Apr 2009 08:59:01 -0600 >>> Bjorn Helgaas <bjorn.helgaas@xxxxxx> wrote: >>> >>> >>> >>>> I can't help with the real problem of why the asynchronous battery >>>> init causes the hang. >>>> >>>> >>> that got fixed already for the module case. >>> >>> >> But apparently still broken for the builtin case? I think Alan is >> running pretty new bits -- he said "latest git" on April 11. >> >> > > It's now fixed, in 2.6.30-rc2. My battery is modular btw. I suspect > > 5d38258ec026921a7b266f4047ebeaa75db358e5 "ACPI battery: fix async boot > oops" [removal of __init] > > was not sufficient to fix my problem, but it was solved by the "real" fix, > > d6de2c80e9d758d2e36c21699117db6178c0f517 "async: Fix module loading > async-work regression" [module loading waits on async work] > > > I would argue there's still a question over why the asynchronous battery > init (_with_ the oops fix) should cause a hang in the idle routine. But > since the regression is fixed, it's not exactly an urgent question. > Ugh. Recently I tried building the battery driver into the kernel, to benefit from the async work. Later, I tried booting from the battery and it hung again. This time, the kernel did not even respond to SysRq. I tried nmi_watchdog=1 and waiting 2 minutes, but the watchdog didn't trigger either. As before, it doesn't happen with acpi=off. I checked that this still happened in todays rc3, and it doesn't happen if I revert 0f66af530116e9f4dd97f328d91718b56a6fc5a4 "ACPI: battery: asynchronous init" Regards Alan -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html