Messages in this thread | | | Subject | Re: Linux 4.9.6 ( Restore IO-APIC irq_chip retrigger callback , breaks my box ) | From | Gabriel C <> | Date | Mon, 6 Feb 2017 21:38:22 +0100 |
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On 06.02.2017 20:05, Ruslan Ruslichenko -X (rruslich - GLOBALLOGIC INC at Cisco) wrote: > On 02/06/2017 07:41 PM, Greg KH wrote: >> On Mon, Feb 06, 2017 at 06:30:15PM +0100, Gabriel C wrote: >>> On 26.01.2017 08:48, Greg KH wrote: >>> >>> Hi Greg, >>> >>>> I'm announcing the release of the 4.9.6 kernel. >>> >>> Somewhat late , however I didn't tested 4.9.6 but jumped from 4.9.5 to 4.9.7 >>> and found out by box won't boot anymore. >>> >>> It hangs early and freeze with a lot RCU warnings. >>> Since I cannot setup a netconsole right now I cannot post the errors , really sorry. >>> >>> ( but I could make a picture if needed ) >>> >>> >>> I bisected it down to : >>> >>>> Ruslan Ruslichenko (1): >>>> x86/ioapic: Restore IO-APIC irq_chip retrigger callback >>> Reverting this one fixes the problem for me.. >>> >>> Also this problem exists in Linus tree , I tested on: >>> 4.10.0-rc6-00167-ga0a28644c1cf >> Ok, at least we are consistent :) >> >>> The box is a PRIMERGY TX200 S5 , 2 socket , 2 x E5520 CPU(s) installed. >>> >>> Config: >>> https://raw.githubusercontent.com/frugalware/frugalware-current/master/source/base/kernel/config.x86_64 >> Ruslan, any thoughts about what to do here? > This looks strange. What this patch does is just revert previous > behavior, broken by d32932d02e18. > So we can try to test with last v4.1 stable, where retrigger callback > were still present.
I can test that but first on weekend if you wish.
> Also on v4.10 maybe check with software emulation of this feature and > reverted patch, e.g.: > > diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig > index e487493..49c3c71 100644 > --- a/arch/x86/Kconfig > +++ b/arch/x86/Kconfig > @@ -170,6 +170,7 @@ config X86 > select USER_STACKTRACE_SUPPORT > select VIRT_TO_BUS > select X86_FEATURE_NAMES if PROC_FS > + select HARDIRQS_SW_RESEND > > config INSTRUCTION_DECODER > def_bool y >
With patch reverted + this one I get a early kernel panic.. on 4.10.0-rc7
With just the patch reverted all is fine , the box boots and all seems fine.
> I think for further debugging logs will be needed.
Yes sure , I just need to find a way to set something up like netconsole here. Right now I have no way doig that. I'll try to do that on weekend too also.
Regards,
Gabriel C
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