Public bug reported:
Binary package hint: kernel-image-2.6.27-9-generic-di
Using Ubuntu 8.10, kernel 2.6.27-9, system randomly hangs at powernowd.
Suspected corrupt powernowd package, so purged and reinstalled. Fault
continued. Noticed trace done just prior to powernowd starting when hang
up occurs, so viewed syslog. Syslog noted a BUG below: unable to handle
kernel paging request at address ffff8808ac9486b8. syslog snippet below:
Dec 16 14:34:38 studio-1536 kernel: [ 23.013417] powernow-k8: Found 1 AMD
Turion(tm) X2 Dual Core Mobile RM-70 processors (2 cpu cores) (version 2.20.00)
Dec 16 14:34:38 studio-1536 kernel: [ 23.013459] powernow-k8: 0 : pstate 0
(2000 MHz)
Dec 16 14:34:38 studio-1536 kernel: [ 23.013459] powernow-k8: 1 : pstate 1
(1000 MHz)
Dec 16 14:34:38 studio-1536 kernel: [ 23.013459] powernow-k8: 2 : pstate 2
(500 MHz)
Dec 16 14:34:38 studio-1536 kernel: [ 23.013598] BUG: unable to handle kernel
paging request at ffff8808ac9486b8
Dec 16 14:34:38 studio-1536 kernel: [ 23.013892] IP: [<ffffffffa071f050>]
cpufreq_stats_update+0x50/0x70 [cpufreq_stats]
Dec 16 14:34:38 studio-1536 kernel: [ 23.014114] PGD 202063 PUD 0
Dec 16 14:34:38 studio-1536 kernel: [ 23.014384] Oops: 0002 [1] SMP
Dec 16 14:34:38 studio-1536 kernel: [ 23.014655] CPU 0
Dec 16 14:34:38 studio-1536 kernel: [ 23.014840] Modules linked in:
powernow_k8(+) cpufreq_powersave cpufreq_ondemand cpufreq_userspace
cpufreq_stats cpufreq_conservative freq_table pci_slot sbs container sbshc
iptable_filter ip_tables x_tables sbp2 parport_pc lp parport joydev
snd_seq_dummy uvcvideo snd_seq_oss dcdbas snd_hda_intel evdev compat_ioctl32
sdhci_pci psmouse snd_seq_midi pcspkr snd_pcm_oss serio_raw snd_rawmidi sdhci
snd_mixer_oss videodev v4l1_compat ricoh_mmc snd_seq_midi_event mmc_core
snd_seq snd_seq_device snd_pcm i2c_piix4 i2c_core snd_timer
ieee80211_crypt_tkip snd wl(P) soundcore ieee80211_crypt snd_page_alloc video
output fglrx(P) battery wmi button ac shpchp pci_hotplug ext3 jbd mbcache
sr_mod sd_mod cdrom crc_t10dif sg ohci1394 ahci ehci_hcd ieee1394 ohci_hcd tg3
libata scsi_mod dock usbcore libphy thermal processor fan fbcon tileblit font
bitblit softcursor fuse
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] Pid: 4679, comm: modprobe
Tainted: P M 2.6.27-9-generic #1
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] RIP:
0010:[<ffffffffa071f050>] [<ffffffffa071f050>] cpufreq_stats_update+0x50/0x70
[cpufreq_stats]
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] RSP: 0018:ffff8800ac9c7af8
EFLAGS: 00010246
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] RAX: 0000000000000000 RBX:
0000000000000000 RCX: ffff8800ac9486c0
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] RDX: 00000000ffffffff RSI:
ffff8800ab988680 RDI: ffffffffa0722880
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] RBP: ffff8800ac9c7b08 R08:
ffff8800ac9c7c38 R09: ffff880037446500
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] R10: 0000000000000003 R11:
00000000ffffffff R12: 00000000fffef181
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] R13: 00000000ffffffff R14:
ffff8800ac9c7c38 R15: 0000000000000001
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] FS: 00007f71af18c6e0(0000)
GS:ffffffff806e1a80(0000) knlGS:0000000000000000
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] CS: 0010 DS: 0000 ES: 0000
CR0: 000000008005003b
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] CR2: ffff8808ac9486b8 CR3:
00000000ac859000 CR4: 00000000000006e0
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] DR3: 0000000000000000 DR6:
00000000ffff0ff0 DR7: 0000000000000400
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] Process modprobe (pid: 4679,
threadinfo ffff8800ac9c6000, task ffff8800ab5b1670)
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] Stack: 0000000000000000
ffff8800ab988680 ffff8800ac9c7b38 ffffffffa071f10c
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] 0000000000000000
0000000000000000 00000000ffffffff 0000000000000000
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] ffff8800ac9c7b78
ffffffff80505817 ffff8800ac9c7b58 ffffffff808b2d80
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] Call Trace:
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] [<ffffffffa071f10c>]
cpufreq_stat_notifier_trans+0x9c/0x100 [cpufreq_stats]
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] [<ffffffff80505817>]
notifier_call_chain+0x47/0x80
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] [<ffffffff8026c05b>]
__srcu_notifier_call_chain+0x5b/0x80
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] [<ffffffff8026c096>]
srcu_notifier_call_chain+0x16/0x20
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] [<ffffffff804499ba>]
cpufreq_notify_transition+0xca/0xf0
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] [<ffffffffa0734798>]
powernowk8_target+0x238/0x310 [powernow_k8]
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] [<ffffffff8044ace2>]
__cpufreq_driver_target+0x32/0x40
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] [<ffffffff8044ba7d>]
cpufreq_governor_performance+0x2d/0x40
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] [<ffffffff8044981a>]
__cpufreq_governor+0x6a/0x110
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] [<ffffffff80449bf3>]
__cpufreq_set_policy+0x133/0x180
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] [<ffffffff8044b72b>]
cpufreq_add_dev+0x54b/0x5a0
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] [<ffffffff8044b930>] ?
handle_update+0x0/0x20
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] [<ffffffff8042ed08>]
sysdev_driver_register+0xa8/0x130
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] [<ffffffff8044a4ad>]
cpufreq_register_driver+0x8d/0x170
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] [<ffffffffa0734de5>]
powernowk8_init+0x92/0x96 [powernow_k8]
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] [<ffffffffa0734d53>] ?
powernowk8_init+0x0/0x96 [powernow_k8]
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] [<ffffffff8020a041>]
do_one_initcall+0x41/0x170
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] [<ffffffff8026c261>] ?
__blocking_notifier_call_chain+0x21/0x90
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] [<ffffffff8027d085>]
sys_init_module+0xb5/0x1f0
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] [<ffffffff8021285a>]
system_call_fastpath+0x16/0x1b
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778]
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778]
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] Code: 2d fc df 89 db 48 c7
c2 00 5e 7a 80 48 8b 04 d8 48 8b 40 08 48 8b 34 02 48 8b 4e 20 48 85 c9 74 0e
8b 56 18 4c 89 e0 48 2b 46 08 <48> 01 04 d1 4c 89 66 08 48 c7 c7 80 28 72 a0 e8
fc e4 b0 df 90
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] RIP [<ffffffffa071f050>]
cpufreq_stats_update+0x50/0x70 [cpufreq_stats]
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] RSP <ffff8800ac9c7af8>
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] CR2: ffff8808ac9486b8
Dec 16 14:34:38 studio-1536 kernel: [ 23.016778] ---[ end trace
bb836020b1458612 ]---
Running on a Dell Studio 1536 AMD Turion X2 64-bit RM-70 processor.
lspci printout as follows:
j...@studio-1536:~$ uname -r
2.6.27-9-generic
j...@studio-1536:~$ lspci
00:00.0 Host bridge: Advanced Micro Devices [AMD] RS780 Host Bridge
00:01.0 PCI bridge: Advanced Micro Devices [AMD] RS780 PCI to PCI bridge (int
gfx)
00:05.0 PCI bridge: Advanced Micro Devices [AMD] RS780 PCI to PCI bridge (PCIE
port 1)
00:07.0 PCI bridge: Advanced Micro Devices [AMD] RS780 PCI to PCI bridge (PCIE
port 3)
00:09.0 PCI bridge: Advanced Micro Devices [AMD] RS780 PCI to PCI bridge (PCIE
port 4)
00:11.0 SATA controller: ATI Technologies Inc SB700/SB800 SATA Controller [AHCI
mode]
00:12.0 USB Controller: ATI Technologies Inc SB700/SB800 USB OHCI0 Controller
00:12.1 USB Controller: ATI Technologies Inc SB700 USB OHCI1 Controller
00:12.2 USB Controller: ATI Technologies Inc SB700/SB800 USB EHCI Controller
00:13.0 USB Controller: ATI Technologies Inc SB700/SB800 USB OHCI0 Controller
00:13.1 USB Controller: ATI Technologies Inc SB700 USB OHCI1 Controller
00:13.2 USB Controller: ATI Technologies Inc SB700/SB800 USB EHCI Controller
00:14.0 SMBus: ATI Technologies Inc SBx00 SMBus Controller (rev 3a)
00:14.2 Audio device: ATI Technologies Inc SBx00 Azalia (Intel HDA)
00:14.3 ISA bridge: ATI Technologies Inc SB700/SB800 LPC host controller
00:14.4 PCI bridge: ATI Technologies Inc SBx00 PCI to PCI Bridge
00:18.0 Host bridge: Advanced Micro Devices [AMD] Family 11h HyperTransport
Configuration (rev 40)
00:18.1 Host bridge: Advanced Micro Devices [AMD] Family 11h Address Map
00:18.2 Host bridge: Advanced Micro Devices [AMD] Family 11h DRAM Controller
00:18.3 Host bridge: Advanced Micro Devices [AMD] Family 11h Miscellaneous
Control
00:18.4 Host bridge: Advanced Micro Devices [AMD] Family 11h Link Control
01:05.0 VGA compatible controller: ATI Technologies Inc RS780M/RS780MN [Radeon
HD 3200 Graphics]
01:05.1 Audio device: ATI Technologies Inc RS780 Azalia controller
03:01.0 FireWire (IEEE 1394): Ricoh Co Ltd R5C832 IEEE 1394 Controller (rev 05)
03:01.1 SD Host controller: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host
Adapter (rev 22)
03:01.2 System peripheral: Ricoh Co Ltd R5C843 MMC Host Controller (rev 12)
03:01.3 System peripheral: Ricoh Co Ltd R5C592 Memory Stick Bus Host Adapter
(rev 12)
03:01.4 System peripheral: Ricoh Co Ltd xD-Picture Card Controller (rev ff)
09:00.0 Ethernet controller: Broadcom Corporation NetLink BCM5784M Gigabit
Ethernet PCIe (rev 10)
0b:00.0 Network controller: Broadcom Corporation BCM4312 802.11b/g (rev 01)
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
--
Kernel Bug related to CPUFreq; Causes Powernowd to hang
https://bugs.launchpad.net/bugs/308787
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