Re: [PATCH] NMI watchdog config option (was: Re: [PATCH] NMI lockup and AltSysRq-P dumping calltraces on _all_ cpus via NMI IPI)

Kirill Korotaev <[email protected]> wrote:
>
> BTW, why NMI watchdog is disabled by default?

There was a significantly large string of reports of dying PCs in the
2.4.early timeframe.  These machines would mysteriously lock up after
considerable periods of time and the problem was cured by disabling the NMI
watchdog.  Nobody was ever able to solve it, so we changed it to default to
off.

So much has changed in there that we might have fixed it by accident, and I
do recall a couple of fundamental and subtle NMI bugs being fixed.  So
yeah, it might be worth enabling it by default again.  Care to send a patch
which does that?
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

---

• Follow-Ups:
  • Re: [PATCH] NMI watchdog config option (was: Re: [PATCH] NMI lockup and AltSysRq-P dumping calltraces on _all_ cpus via NMI IPI)
    • From: [email protected]
  • Re: [PATCH] NMI watchdog config option (was: Re: [PATCH] NMI lockup and AltSysRq-P dumping calltraces on _all_ cpus via NMI IPI)
    • From: "Martin J. Bligh" <[email protected]>
  • Re: [PATCH] NMI watchdog config option (was: Re: [PATCH] NMI lockup and AltSysRq-P dumping calltraces on _all_ cpus via NMI IPI)
    • From: Kirill Korotaev <[email protected]>

• References:
  • [PATCH] NMI lockup and AltSysRq-P dumping calltraces on _all_ cpus via NMI IPI
    • From: Kirill Korotaev <[email protected]>
  • Re: [PATCH] NMI lockup and AltSysRq-P dumping calltraces on _all_ cpus via NMI IPI
    • From: "Martin J. Bligh" <[email protected]>
  • [PATCH] NMI watchdog config option (was: Re: [PATCH] NMI lockup and AltSysRq-P dumping calltraces on _all_ cpus via NMI IPI)
    • From: Kirill Korotaev <[email protected]>

• Prev by Date: Re: How to use memory over 4GB
• Next by Date: Re: [PATCH] Fix root hole in raw device
• Previous by thread: [PATCH] NMI watchdog config option (was: Re: [PATCH] NMI lockup and AltSysRq-P dumping calltraces on _all_ cpus via NMI IPI)
• Next by thread: Re: [PATCH] NMI watchdog config option (was: Re: [PATCH] NMI lockup and AltSysRq-P dumping calltraces on _all_ cpus via NMI IPI)
• Index(es):
  • Date
  • Thread

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]