Re: Powernow-k8 support

[Christian Roessner <christian@roessner-net.com>]

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Hi,

it seems that the change did work partially. But the frequency can not
be changed.

The kernel freezes when udev is loading the alsa modules and/or the
nvidia module. After that the machine may reboot automatically.

Here some infos I found in my /var/log/messages file:

==== Example 1 ====
Jun 12 01:54:02 desktop kernel: NVRM: Trying to sleep during raised irql!!
Jun 12 01:54:02 desktop kernel: NVRM:   are we holding a lock?
Jun 12 01:54:02 desktop kernel: NVRM:   skipping os_delay
Jun 12 01:54:02 desktop kernel: NVRM: Trying to sleep during raised irql!!
Jun 12 01:54:02 desktop kernel: NVRM:   are we holding a lock?
Jun 12 01:54:02 desktop kernel: NVRM:   skipping os_delay
Jun 12 01:54:02 desktop kernel: NVRM: Trying to sleep during raised irql!!
Jun 12 01:54:02 desktop kernel: NVRM:   are we holding a lock?
Jun 12 01:54:02 desktop kernel: NVRM:   skipping os_delay

==== Example 2 ====
Jun 12 01:57:48 desktop kernel: NVRM: loading NVIDIA Linux x86 Kernel
Module  1.0-8762  Mon May 15 13:06:38 PDT 2006
Jun 12 01:57:48 desktop kernel: Modules linked in: snd_emu10k1
snd_rawmidi snd_ac97_codec snd_ac97_bus nvidia snd_pcm_oss snd_mixer_oss
ohci1394 snd_pcm snd_seq_device ieee1394 snd_timer snd_page_alloc
snd_util_mem b1pci b1 snd_hwdep kernelcapi snd i2c_nforce2 ehci_hcd
ohci_hcd soundcore usbcore i2c_core forcedeth evdev
Jun 12 01:57:48 desktop kernel: EIP:    0061:[<ec84fa5a>]    Tainted: P
     VLI
Jun 12 01:57:48 desktop kernel: EFLAGS: 00010082   (2.6.16.20-4 #1)

==== Example 3 ====
Jun 12 02:11:21 desktop kernel: NVRM: loading NVIDIA Linux x86 Kernel
Module  1.0-8762  Mon May 15 13:06:38 PDT 2006
Jun 12 02:11:21 desktop kernel: Modules linked in: nvidia parport_pc lp
parport capi capifs xt_tcpudp ip6table_filter ip6_tables xt_state
xt_pkttype iptable_raw xt_CLASSIFY xt_connmark xt_physdev xt_conntrack
iptable_mangle ipt_ULOG ipt_TTL ipt_ttl ipt_TOS ipt_tos ipt_TCPMSS
ipt_SAME ipt_REJECT ipt_REDIRECT ipt_recent ipt_policy ipt_owner
ipt_NETMAP ipt_multiport ipt_MASQUERADE ipt_LOG ipt_iprange
ipt_hashlimit ipt_esp ipt_ECN ipt_ecn ipt_DSCP ipt_dscp ipt_CLUSTERIP
ipt_ah ipt_addrtype ip_nat_irc ip_nat_tftp ip_nat_ftp ip_conntrack_irc
ip_conntrack_tftp ip_conntrack_ftp iptable_nat ip_nat ip_conntrack
nfnetlink iptable_filter ip_tables x_tables zaurus usbhid md5 ipv6
cdc_ether usbnet it87 hwmon_vid lm90 hwmon eeprom i2c_isa saa7134
video_buf compat_ioctl32 v4l1_compat ir_kbd_i2c ir_common videodev tuner
v4l2_common tda9887 b1pci b1 kernelcapi ohci1394 ieee1394 ehci_hcd
ohci_hcd usbcore forcedeth i2c_nforce2 i2c_core evdev
Jun 12 02:11:21 desktop kernel: EIP:    0061:[<ecab9a5a>]    Tainted: P
     VLI
Jun 12 02:11:21 desktop kernel: EFLAGS: 00010082   (2.6.16.20-4 #1)
Jun 12 02:11:55 desktop exiting on signal 15


So it seems that the nvidia driver has some problems with this code
modification??

Attached the last dmesg output. You my look at the end of this file

Thanks in advance

Christian

Keir Fraser schrieb:
> 
> On 11 Jun 2006, at 20:48, Christian Roessner wrote:
> 
>> I have activated debugging. The output is attached.
>>
>> dmesg.gz is the native kernel with debug enabled
>> both others are self explaining ;-) ; also debug enabled
> 
> Edit source file arch/i386/kernel/cpu/cpufreq/powernow-k8.c and change
> use of phys_to_virt() to isa_bus_to_virt().
> 
>  -- Keir
> 


-- 
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PGP: http://www.roessner-net.com/0x6B929997.asc



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