On 2011-12-04 13:54 -0500, Steven Rostedt wrote linux-kernel@xxxxxxxxxxxxxx...: Hi, seems there is regression in 3.0.12-rt30-rc1/2 somethere in acpi part: [ 1961.003200] BUG: scheduling while atomic: irq/9-acpi/14/0x00000002 [ 1961.003206] Modules linked in: cpufreq_conservative aes_i586 aes_generic xt_TCPMSS xt_tcpudp iptable_mangle ip_tables x_tables ipv6 pci_slot pktcdvd tcp_cubic microcode fuse hso pata_pcmcia firewire_net firewire_ohci firewire_core crc_itu_t tcp_hybla cdc_acm usbmouse usb_storage usb_libusual usbhid uhci_hcd ohci_hcd ehci_hcd usbcore snd_mpu401_uart snd_seq_dummy snd_seq_oss snd_seq_midi snd_seq_midi_event snd_seq snd_rawmidi snd_seq_device cpufreq_userspace acpi_cpufreq mperf msr cpuid nvram arc4 joydev mousedev snd_intel8x0m 8250_pci 8250_pnp radeon ttm drm_kms_helper pcmcia drm snd_intel8x0 snd_ac97_codec ac97_bus snd_pcm_oss snd_mixer_oss psmouse snd_pcm ath9k mac80211 ath9k_common ath9k_hw ath backlight i2c_algo_bit i2c_core cfbcopyarea cfbimgblt snd_timer snd_page_alloc yenta_socket cfbfillrect pcmcia_rsrc battery processor button ac pcmcia_core serio_raw pcspkr cfg80211 rfkill 8250 intel_agp intel_gtt agpgart power_supply serial_core evdev raid0 btrfs crc32c libcrc32c thermal sr_mod thermal_sys cdrom 8139too atkbd hwmon [last unloaded: scsi_wait_scan] [ 1961.003364] Pid: 14, comm: irq/9-acpi Not tainted 3.0.12-rt30-rc2-r233 #1 [ 1961.003370] Call Trace: [ 1961.003379] [<792d740d>] ? 0x792d740d [ 1961.003385] [<790221f4>] ? 0x790221f4 [ 1961.003391] [<7902246a>] ? 0x7902246a [ 1961.003396] [<79022dc9>] ? 0x79022dc9 [ 1961.003402] [<792d760f>] ? 0x792d760f [ 1961.003407] [<792d8615>] ? 0x792d8615 [ 1961.003414] [<7918d1d3>] ? 0x7918d1d3 [ 1961.003418] [<7919de5e>] ? 0x7919de5e [ 1961.003424] [<7918d2cf>] ? 0x7918d2cf [ 1961.003429] [<791908d4>] ? 0x791908d4 [ 1961.003434] [<79196bd5>] ? 0x79196bd5 [ 1961.003439] [<7919e040>] ? 0x7919e040 [ 1961.003444] [<79196e77>] ? 0x79196e77 [ 1961.003450] [<791958ff>] ? 0x791958ff [ 1961.003455] [<791889c7>] ? 0x791889c7 [ 1961.003460] [<7905d9f0>] ? 0x7905d9f0 [ 1961.003465] [<7905d864>] ? 0x7905d864 [ 1961.003470] [<7905d9d0>] ? 0x7905d9d0 [ 1961.003476] [<7905d770>] ? 0x7905d770 [ 1961.003481] [<7903ea94>] ? 0x7903ea94 [ 1961.003486] [<7903ea20>] ? 0x7903ea20 [ 1961.003491] [<792d99fe>] ? 0x792d99fe it's appears periodicaly again and again, while it occurse system freezes about 0.5-1 second then work again fine. SR> SR>Dear RT Folks, SR> SR>This is the RT stable review cycle of patch 3.0.12-rt30-rc2. SR> SR>Please scream at me if I messed something up. Please test the patches too. SR> SR>The difference between this and -rc1 was I fixed up the patches to SR>add the changes, instead of removing them :) SR> SR>I also added the missing commit: SR>KVM: fix XSAVE bit scanning (now properly) SR>That Thomas pointed out was missing. SR> SR> SR>The -rc release will be uploaded to kernel.org and will be deleted when SR>the final release is out. This is just a review release (or release candidate). SR> SR>The pre-releases will not be pushed to the git repository, only the SR>final release is. SR> SR>If all goes well, this patch will be converted to the main release SR>next on Wednesday (11/7/2011). SR> SR>Enjoy, SR> SR>-- Steve SR> SR> SR>To build 3.0.12-rt30-rc2 directly, the following patches should be applied: SR> SR> http://www.kernel.org/pub/linux/kernel/v3.0/linux-3.0.tar.xz SR> SR> http://www.kernel.org/pub/linux/kernel/v3.0/patch-3.0.12.xz SR> SR> http://www.kernel.org/pub/linux/kernel/projects/rt/3.0/patch-3.0.12-rt30-rc2.patch.xz SR> SR>You can also build from 3.0.12-rt29 by applying the incremental patch: SR> SR>http://www.kernel.org/pub/linux/kernel/projects/rt/3.0/incr/patch-3.0.12-rt29-rt30-rc2.patch.xz SR> SR> SR>Changes from 3.0.12-rt29: SR> SR>--- SR> SR> SR>Andre Przywara (1): SR> KVM: fix XSAVE bit scanning (now properly) SR> SR>Avi Kivity (1): SR> KVM: Sanitize cpuid SR> SR>Edward Donovan (1): SR> genirq: fix regression in irqfixup, irqpoll SR> SR>Ingo Molnar (1): SR> tasklet/rt: Prevent tasklets from going into infinite spin in RT SR> SR>Peter Zijlstra (2): SR> slab, lockdep: Fix silly bug SR> slab, lockdep: Annotate all slab caches SR> SR>Roland Dreier (1): SR> intel-iommu: Fix AB-BA lockdep report SR> SR>Steven Rostedt (1): SR> Linux v3.0.12-rt30-rc2 SR> SR>Thomas Gleixner (3): SR> wait: Provide __wake_up_all_locked SR> pci: Use __wake_up_all_locked pci_unblock_user_cfg_access() SR> acpi: Make gbl_[hardware|gpe]_lock raw SR> SR>---- SR> arch/x86/kvm/x86.c | 44 +++++++- SR> drivers/acpi/acpica/acglobal.h | 4 +- SR> drivers/acpi/acpica/evgpe.c | 4 +- SR> drivers/acpi/acpica/evgpeblk.c | 8 +- SR> drivers/acpi/acpica/evgpeutil.c | 12 +- SR> drivers/acpi/acpica/evxface.c | 10 +- SR> drivers/acpi/acpica/evxfgpe.c | 24 +++--- SR> drivers/acpi/acpica/hwregs.c | 4 +- SR> drivers/acpi/acpica/hwxface.c | 4 +- SR> drivers/acpi/acpica/utmutex.c | 21 +---- SR> drivers/pci/access.c | 2 +- SR> drivers/pci/intel-iommu.c | 4 +- SR> include/linux/interrupt.h | 39 ++++---- SR> include/linux/wait.h | 5 +- SR> kernel/irq/spurious.c | 4 +- SR> kernel/sched.c | 4 +- SR> kernel/softirq.c | 208 ++++++++++++++++++++++++++++----------- SR> localversion-rt | 2 +- SR> mm/slab.c | 55 ++++++----- SR> 19 files changed, 290 insertions(+), 168 deletions(-) SR> C уважением With Best Regards Георгиевский Юрий. Georgiewskiy Yuriy +7 4872 711666 +7 4872 711666 факс +7 4872 711143 fax +7 4872 711143 Компания ООО "Ай Ти Сервис" IT Service Ltd http://nkoort.ru http://nkoort.ru JID: GHhost@xxxxxxxxxx JID: GHhost@xxxxxxxxxx YG129-RIPE YG129-RIPE