Messages in this thread | | | Date | Wed, 5 Mar 2008 09:27:31 +0100 | From | Pavel Machek <> | Subject | Re: BUG: High resolution timer/dynticks bug |
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Hi! > > > Hi! > > > I have problems when enable dynticks or hrtimers in kernel >= > > > 2.6.24. It's easy to reproduce for me, when I enable either, > > > boots the machine, browse the web with Firefox or unplug the > > > power cable (i'm using a notebook) and the kernel freezes. I > > > could get a error message using NMI watchdog and netconsole. > > > > > > Please, tell me if you need more information or testing. > > > > > > > > > NMI Watchdog detected LOCKUP on CPU 0 > > > > Just turn off NMI watchdog? > > > > Pulling the power cable causes the SMM trap, which takes _long_ to > > execute, potentially tickling NMI watchdog? > > The system freezes silently without NMI watchdog :)
Ok... next hint:
> > > CPU 0 > > > Modules linked in: netconsole configfs fan ebtable_broute bridge llc ebtable_nat ebtable_filter ebtables dm_snapshot dm_mirror dm_mod powernow_k8 loop arc4 snd_hda_intel ecb crypto_blkcipher cryptomgr snd_pcm_oss snd_pcm snd_mixer_oss b43 mac80211 cfg80211 crc32 snd_seq_dummy snd_seq_oss firmware_class snd_seq_midi_event ieee80211softmac snd_seq ieee80211 ieee80211_crypt snd_timer snd_seq_device i2c_nforce2 sdhci rng_core ohci1394 snd i2c_core battery ac thermal processor forcedeth mmc_core psmouse ssb ieee1394 button soundcore snd_page_alloc ehci_hcd ohci_hcd usbcore > > > Pid: 0, comm: swapper Not tainted 2.6.25-rc3-porti-00081-g7704a8b #18 > > > RIP: 0010:[<ffffffff80220799>] [<ffffffff80220799>] hpet_readl+0x9/0x10
Is RIP always here? If so, can you pinpoint which part of hpet_readl causes the problem?
-- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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