Messages in this thread | | | Date | Fri, 18 Nov 2005 12:33:57 -0600 | From | "K.R. Foley" <> | Subject | Re: [BUG] Softlockup detected with linux-2.6.14-rt6 |
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Luca Falavigna wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Luca Falavigna ha scritto: > | Actually I am testing linux-2.6.14-rt13. If this problem come out again, > | I will notify you ASAP. > > Unfortunately this soft lockup bug affects version 2.6.14-rt13 too :( > Stack traces are almost the same, except base addresses. > > The bug was much harder to track down this time. Kernel detected a soft > lockup bug after about three days of uptime. > > I noticed another strange behaviour. When I rebooted the machine > (actually pushing reset button, not CTRL+ALT+CANC or SysRq at all), it > became *very* slow. GRUB took up to five seconds to be fully loaded > (usualy it takes only a fraction of second) and the initial phase of > booting the kernel was about 4 times slower. Even after a power off this > behaviour was still present! Need more coffee?
The slow booting sounds a lot like the RCU_TORTURE_TEST slowing things down. You might try turning off RCU_TORTURE_TEST or setting it to be a module.
> > Regards, > - -- > Luca > > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.2 (GNU/Linux) > Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org > > iQEVAwUBQ33wppK+HIH6ZZ2zAQIYSQgAh7T0/a40F9ImNK4Ut7WvVxdLZn7Hekvn > 8xBr2jSm5Vz4Ewiht1kZ+sXvAV98J8oDGBghQK8CVE+LdGnyFxncMH8sIlnOViq1 > PAwVXYOI7FQzk0UX0FTfsVcsmGkqZk653HC/VRTfY+7xg0NKzUFTjwZg0pDmhkoC > yKg73Krr2Zx9N4JH5v2y9uFHhn3YC7mPmbO1mSsmF6WIcePLaY3+Um/FGkQZXr3b > ZDwAd8IQmbgiJiyO7sAgc6ydPWxjDzrlPTri7pFHERkJJKxQAan+rKxYdGO7e9C4 > 57iny6wa2C2sdmn8quL+ZXnmpgB7vNRroDZ1kg5Qm/1SiKjbvC5BqQ== > =RNUt > -----END PGP SIGNATURE----- > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ >
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