From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sujit K M Subject: Re: [ANNOUNCE] 2.6.33-rc8-rt1 Date: Wed, 24 Feb 2010 10:10:22 +0530 Message-ID: <921ca19c1002232040x5de81254s59aec967dc7037ba@mail.gmail.com> References: <520f0cf11002220311l2a0caa83lf3ae2817b78501b6@mail.gmail.com> <49b7c2351002231708r279049f9hcc9cc6ff205a47fb@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: John Kacur , Thomas Gleixner , LKML , rt-users , Ingo Molnar , Steven Rostedt , Peter Zijlstra , Carsten Emde , Clark Williams , Frank Rowand , Robin Gareus , Gregory Haskins , Philippe Reynes , Fernando Lopez-Lezcano , Will Schmidt , Darren Hart , Jan Blunck , Sven-Thorsten Dietrich , Jon Masters , Mark Knecht , Nick Piggin To: GeunSik Lim Return-path: In-Reply-To: <49b7c2351002231708r279049f9hcc9cc6ff205a47fb@mail.gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-rt-users.vger.kernel.org This Happens when there is an external device(storage) plugged in. On Wed, Feb 24, 2010 at 6:38 AM, GeunSik Lim wrote: > Dear Thomas, > > This is a report =A0about booting test with linux-2.6.33.rc8-rt1 by T= homas. > I also can't boot linux-2.6.33.rc8-rt1 version on my desktop pc like > John Kacur. But, This Error message is different in my case. > So, I returned linux version from this version to linux-2.6.31-rt14 v= ersion now. > - version info : Linux-2.6.33.rc8-rt1 > - H/W Spec : intel Core2Quad Q9400 , SATA HDD320G > > I uploaded screenshot about booting error on my Q9400 based desktop p= c. > http://picasaweb.google.com/leemgs/LinuxRelatedScreenshot#54414365363= 31947314 > > And, I attached my config file to compile linux-2.6.33.rc8-rt1. > > Regards, > Geunsik Lim. > > > > On Mon, Feb 22, 2010 at 8:11 PM, John Kacur wrote= : >> >> On Mon, Feb 22, 2010 at 12:24 AM, Thomas Gleixner wrote: >> > We are pleased to announce the next update to our new preempt-rt >> > series. >> > >> > =A0 =A0- Forward to 2.6.33-rc8 >> > >> > Finally I managed to get that beast tamed. >> > >> > Some folks were already joking, that my dog ate the 33-rt patch. T= he >> > truth is that my reject fixup skills were one line off in the mm/* >> > code which resulted in -rt eating my files :) >> > >> > When I fixed the wreckage of my own stupidty I found out that -rt >> > triggered a nasty and hard to reproduce mainline scheduler bug, wh= ich >> > refused to reproduce with kernel tracing enabled. Thanks to Peter >> > Zijlstra for helping me to decode the initial mainline problem and= the >> > ones which resulted from fixing the mainline bug! >> > >> > It's all fixed now and I'm pretty happy about the state of this >> > release with the following exceptions: >> > >> > =A01) it is only runtime tested on x86_64 (compiles on x86_32, arm= , >> > =A0 =A0powerpc_32/64). >> > >> > =A0 =A0I'm going to throw it at my testing infrastructure tomorrow= , but I >> > =A0 =A0wanted to release this before .33-final and of course you f= olks >> > =A0 =A0are heartely invited to help out with fixing the fallout :) >> > >> > =A02) I broke the histogram tracer stuff simply because I got lost= in >> > =A0 =A0the divergence of -rt and mainline kernel/trace/* changes >> > >> > =A0 =A0I apologize to Carsten, but I'm sure he will fix that in no= time >> > =A0 =A0as usual >> > >> > The current state of the patch on x86_64 is: rock stable! >> > >> > =A0 =A0[rt-tests]# chrt -f 1 ./cyclictest -t -a -n -d0 -p80 -i125 >> > =A0 =A0policy: fifo: loadavg: 509.19 490.53 486.66 364/1055 31899 >> > >> > =A0 =A0T: 0 (27682) P:80 I:125 C:1170997397 Min: 2 Act: 3 Avg: 3 M= ax: 34 >> > =A0 =A0T: 1 (27683) P:79 I:125 C:1170997397 Min: 2 Act: 3 Avg: 3 M= ax: 34 >> > >> > =A0 =A0That's an uptime of ~1.6 days with a load of hackbench, rec= ursive >> > =A0 =A0grep and extensive networking traffic going on. >> > >> > The merge of the spinlock namespace cleanup and the initial >> > annotations took a big chunk away from the -rt patch size: >> > >> > =A0 =A0 =A0 =A0patch-2.6.31.12-rt21.patch =A0 =A0 1680354 >> > =A0 =A0 =A0 =A0patch-2.6.33-rc8.patch =A0 =A0 =A0 =A0 1179390 >> > =A0 =A0 =A0 =A0patch-2.6.33-rc8+git.patch =A0 =A0 1067064 >> > >> > We are zooming in, but there is still a way to go! >> > >> >> Woohoo! More -rt fun. >> >> Unfortunately, I can't log in on my T500 with this kernel though. >> The following shows-up on my serial console. >> ------------[ cut here ]------------ >> WARNING: at /home/jkacur/rt.linux.git/net/mac80211/rx.c:2467 ieee802= 11_rx+0x4c/0 >> x721 [mac80211]() >> Hardware name: 2241B48 >> Modules linked in: bridge stp bnep sco btusb l2cap crc16 bluetooth s= unrpc ipt_RE >> JECT nf_conntrack_ipv4 nf_defrag_ipv4 iptable_filter ip_tables ip6t_= REJECT xt_tc >> pudp nf_conntrack_ipv6 xt_state ip6table_filter ip6_tables x_tables = ipv6 cpufreq >> _ondemand acpi_cpufreq ext3 jbd mbcache dm_mirror dm_region_hash dm_= log dm_multi >> path scsi_dh dm_mod kvm_intel kvm uinput arc4 ecb snd_hda_codec_cone= xant iwlagn >> snd_hda_intel iwlcore snd_hda_codec snd_hwdep snd_seq_dummy mac80211= snd_seq_oss >> =A0snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_o= ss thinkpad_ac >> pi snd_pcm firewire_ohci firewire_core hwmon video ppdev tpm_tis cfg= 80211 sr_mod >> =A0battery wmi ricoh_mmc parport_pc sg tpm cdrom tpm_bios button ac = ata_generic e1 >> 000e iTCO_wdt snd_timer sdhci_pci pata_acpi sdhci i2c_i801 i2c_core = parport mmc_ >> core iTCO_vendor_support snd joydev snd_page_alloc pcspkr intel_agp = soundcore cr >> c_itu_t rfkill output ahci libata sd_mod scsi_mod crc_t10dif xfs exp= ortfs uhci_h >> cd ohci_hcd ehci_hcd [last unloaded: microcode] >> Pid: 10, comm: sirq-tasklet/0 Not tainted 2.6.33-rc8-rt1-debug #1 >> Call Trace: >> =A0[] ? ieee80211_rx+0x4c/0x721 [mac80211] >> =A0[] warn_slowpath_common+0x77/0xa4 >> =A0[] warn_slowpath_null+0xf/0x11 >> =A0[] ieee80211_rx+0x4c/0x721 [mac80211] >> =A0[] ? iwl_led_pattern+0x17a/0x189 [iwlcore] >> =A0[] ? free_compound_page+0x16/0x18 >> =A0[] ? iwl_leds_background+0x66/0x219 [iwlcore] >> =A0[] iwl_rx_reply_rx+0xc29/0xc5a [iwlcore] >> =A0[] ? trace_hardirqs_on+0xd/0xf >> =A0[] ? _raw_spin_unlock_irqrestore+0x4c/0x68 >> =A0[] ? unmap_single+0x27/0x4f >> =A0[] iwl_rx_handle+0x2a0/0x48d [iwlagn] >> =A0[] ? _raw_spin_unlock_irqrestore+0x4c/0x68 >> =A0[] iwl_irq_tasklet+0x5a3/0x73f [iwlagn] >> =A0[] __tasklet_action+0x8f/0xfd >> =A0[] tasklet_action+0x7c/0x85 >> =A0[] run_ksoftirqd+0x18e/0x2d5 >> =A0[] ? run_ksoftirqd+0x0/0x2d5 >> =A0[] kthread+0x8c/0x94 >> =A0[] ? _raw_spin_unlock+0x30/0x4b >> =A0[] kernel_thread_helper+0x4/0x10 >> =A0[] ? restore_args+0x0/0x30 >> =A0[] ? kthread+0x0/0x94 >> =A0[] ? kernel_thread_helper+0x0/0x10 >> ---[ end trace 01358557eee38037 ]--- >> >> Thanks >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-rt-u= sers" in >> the body of a message to majordomo@vger.kernel.org >> More majordomo info at =A0http://vger.kernel.org/majordomo-info.html > > > > -- > Regards, > GeunSik Lim ( Samsung Electronics ) > Blog : http://blog.naver.com/invain/ > e-Mail: geunsik.lim@samsung.com > =A0 =A0 =A0 =A0 =A0 leemgs@gmail.com , leemgs1@gmail.com > -- > To unsubscribe from this list: send the line "unsubscribe linux-kerne= l" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at =A0http://vger.kernel.org/majordomo-info.html > Please read the FAQ at =A0http://www.tux.org/lkml/ > --=20 -- Sujit K M blog(http://kmsujit.blogspot.com/)