From mboxrd@z Thu Jan 1 00:00:00 1970 From: xeb Subject: RE: Cpufreq on k8 with xen dom0 Date: Sun, 30 Sep 2007 22:38:10 -0700 (PDT) Message-ID: <12960971.post@talk.nabble.com> References: <1190726705.9986.18.camel@localhost> <1449F58C868D8D4E9C72945771150BDF0207701C@SAUSEXMB1.amd.com> <87tzpg63p0.fsf@informatik.uni-tuebingen.de> <1449F58C868D8D4E9C72945771150BDF0207702E@SAUSEXMB1.amd.com> <1190975833.6909.2.camel@localhost> <1449F58C868D8D4E9C72945771150BDF02077034@SAUSEXMB1.amd.com> <1190990731.6914.1.camel@localhost> <1449F58C868D8D4E9C72945771150BDF02077036@SAUSEXMB1.amd.com> <1191072122.6879.4.camel@localhost> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1191072122.6879.4.camel@localhost> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org geaaru wrote: > > I have done another test: i insert powernow-k8 driver as module not > built-in and now when i try to insert powernow-k8 kernel module i have a > segfault (but seems that so, before do a segfault found cpu frequencies: > > powernow-k8: Found 1 AMD Turion(tm) 64 Mobile Technology ML-30 > processors (version 2.00.00) > powernow-k8: 0 : fid 0x8, vid 0x4 > powernow-k8: 1 : fid 0x0, vid 0x16 > powernow-k8: 0 : fid 0x8 (1600 MHz), vid 0x4 > powernow-k8: 1 : fid 0x0 (800 MHz), vid 0x16 > general protection fault: 0000 [1] SMP > CPU 0 > Modules linked in: powernow_k8 snd_pcm_oss snd_mixer_oss snd_seq_dummy > snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device rtc_sysfs rtc_dev > rtc_proc rtc_core rtc_lib video processor ac button dm_crypt ipt_REJECT > ipt_LOG xt_state nf_conntrack nfnetlink iptable_filter ip_tables > x_tables pktcdvd psmouse radeon drm 8139too capability commoncap tsdev > evdev usbmouse usbhid sdhci mmc_core ohci1394 ieee1394 snd_atiixp > snd_atiixp_modem snd_ac97_codec snd_ac97_bus snd_pcm snd_timer snd > soundcore snd_page_alloc ehci_hcd ohci_hcd > Pid: 5485, comm: modprobe Not tainted 2.6.18-xen #2 > RIP: e030:[] > [] :powernow_k8:pending_bit_stuck+0x10/0x20 > RSP: e02b:ffff880035ecdbd0 EFLAGS: 00010297 > RAX: 0000000000000000 RBX: 0000000000001600 RCX: 00000000c0010042 > RDX: ffffffffff578000 RSI: 0000000000000000 RDI: ffff880001e39420 > RBP: ffff880037b20200 R08: 0000000000000036 R09: 0000000000000000 > R10: ffff880037b20200 R11: 0000000000000002 R12: 0000000000000001 > R13: 000000000000000f R14: ffff8800367308c0 R15: ffff880036522730 > FS: 00002b9b7af5bae0(0000) GS:ffffffff806fc000(0000) > knlGS:0000000000000000 > CS: e033 DS: 0000 ES: 0000 > Process modprobe (pid: 5485, threadinfo ffff880035ecc000, task > ffff8800009bd040) > Stack: ffffffff880a9d85 ffff880035ecdc68 0000000000000060 > ffff8800367308f8 > 00000001349ebf08 ffff880036522720 ffff880036522720 0000000000000002 > 0000000000000060 0000000100000001 ffffffff807741e8 ffffffff806a30a0 > Call Trace: > [] :powernow_k8:powernowk8_cpu_init+0xb45/0xdd0 > [] cpufreq_add_dev+0x174/0x540 > [] __wake_up+0x43/0x70 > [] monotonic_clock+0x50/0xa0 > [] thread_return+0x0/0x13b > [] thread_return+0x0/0x13b > [] sysdev_driver_register+0x96/0x100 > [] cpufreq_register_driver+0xc7/0x1b0 > [] sys_init_module+0x189f/0x1aa0 > [] system_call+0x86/0x8b > [] system_call+0x0/0x8b > > > Code: 0f 32 c1 e8 1f f3 c3 66 66 90 66 66 90 66 66 90 8b 57 60 85 > RIP [] :powernow_k8:pending_bit_stuck+0x10/0x20 > RSP > It seems you forgot to pass cpufreq option to xen hypervisor. I have tested cpufreq patchset for K8 and it works fine. Frequencies successfully switches from userspace. But i have tested it not long time. -- View this message in context: http://www.nabble.com/Cpufreq-on-k8-with-xen-dom0-tf4515569.html#a12960971 Sent from the Xen - Dev mailing list archive at Nabble.com.