[ltp] linux t41 consumes 2 watts on suspend

Dan Sawyer linux-thinkpad@linux-thinkpad.org
Thu, 18 Oct 2007 10:27:41 -0700


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It's loading something called radeon. Below is lsmod output - Dan

Module                  Size  Used by
snd_rtctimer            3360  0
radeon                111520  2
drm                    72276  3 radeon
nfsd                   90536  13
exportfs                5056  1 nfsd
lockd                  56904  2 nfsd
nfs_acl                 3328  1 nfsd
ip6t_REJECT             4992  1
xt_tcpudp               3008  25
ip6table_filter         2560  1
ip6_tables             12360  1 ip6table_filter
x_tables               13892  3 ip6t_REJECT,xt_tcpudp,ip6_tables
sunrpc                149724  10 nfsd,lockd,nfs_acl
arc4                    1856  2
ecb                     3264  2
blkcipher               5828  1 ecb
ieee80211_crypt_wep     4928  1
ipv6                  223328  29 ip6t_REJECT
cpufreq_ondemand        7252  1
binfmt_misc            10248  1
video                  16392  0
ibm_acpi               30616  0
backlight               5440  2 video,ibm_acpi
fan                     4676  0
button                  7760  0
battery                 9860  0
ac                      5060  0
floppy                 51684  0
nvram                   7240  0
pcmcia                 34404  0
crc32                   3904  2 ieee80211_crypt_wep,pcmcia
snd_intel8x0           30940  3
snd_ac97_codec         92004  1 snd_intel8x0
ac97_bus                2048  1 snd_ac97_codec
snd_seq_dummy           3588  0
snd_seq_oss            27968  0
snd_seq_midi_event      6400  1 snd_seq_oss
snd_seq                42256  5 snd_seq_dummy,snd_seq_oss,snd_seq_midi_event
snd_seq_device          7436  3 snd_seq_dummy,snd_seq_oss,snd_seq
snd_pcm_oss            38432  0
ipw2100                63664  0
snd_mixer_oss          15168  2 snd_pcm_oss
snd_pcm                67528  4 snd_intel8x0,snd_ac97_codec,snd_pcm_oss
ieee80211              30152  1 ipw2100
ieee80211_crypt         5184  2 ieee80211_crypt_wep,ieee80211
e1000                 109952  0
yenta_socket           24588  2
rsrc_nonstatic         11840  1 yenta_socket
snd_timer              19396  4 snd_rtctimer,snd_seq,snd_pcm
pcmcia_core            36368  3 pcmcia,yenta_socket,rsrc_nonstatic
parport_pc             31844  0
snd                    46308  11 
snd_intel8x0,snd_ac97_codec,snd_seq_oss,snd_seq,snd_seq_device,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer
soundcore               7008  2 snd
parport                32392  1 parport_pc
firmware_class          9152  2 pcmcia,ipw2100
snd_page_alloc          9352  2 snd_intel8x0,snd_pcm
8250_pnp                9408  0
8250_pci               20160  0
8250                   20100  2 8250_pnp,8250_pci
pcspkr                  2560  0
serial_core            18560  1 8250
intel_agp              22812  1
agpgart                31472  2 drm,intel_agp
evdev                   9024  5
rtc                    11160  1 snd_rtctimer
fb_ddc                  2432  0
i2c_algo_bit            7048  0
cfbcopyarea             3328  0
i2c_core               20112  2 fb_ddc,i2c_algo_bit
cfbimgblt               2688  0
cfbfillrect             3392  0
ata_generic             7876  0
ata_piix               14404  0
libata                107220  2 ata_generic,ata_piix
sd_mod                 17040  0
scsi_mod               91912  2 libata,sd_mod
ehci_hcd               27276  0
ohci_hcd               18372  0
uhci_hcd               21068  0



U Kuehn wrote:
> Dan Sawyer wrote:
>   
>> Thanks for the reply. It is a radeon 7500 chip. The problem is after the
>> kernel reorg of the graphics section radeonfb gets built but does not
>> get used. This is 'new' with 2.6.21 kernels. Are your running a 2.6.21
>> or later kernel? If so does it use radeonfb? - Dan
>>
>>     
> Strange. I used to run 2.6.22.1 on my t41 (same chip) and it worked.
> BTW, the machine is currently broken with a damaged bios, cannot enter
> setup anymore after POST, and is out of warranty :(
> So I cannot test anymore.
>
> If the radeonfb is not used I suspect that you have some other
> framebuffer like vesa included. I had radeonfb as the only framebuffer,
> maybe you could try this.
>
> Cheers,
> Ulrich
>
>   

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It's loading something called radeon. Below is lsmod output - Dan <br>
<br>
Module                  Size  Used by<br>
snd_rtctimer            3360  0 <br>
radeon                111520  2 <br>
drm                    72276  3 radeon<br>
nfsd                   90536  13 <br>
exportfs                5056  1 nfsd<br>
lockd                  56904  2 nfsd<br>
nfs_acl                 3328  1 nfsd<br>
ip6t_REJECT             4992  1 <br>
xt_tcpudp               3008  25 <br>
ip6table_filter         2560  1 <br>
ip6_tables             12360  1 ip6table_filter<br>
x_tables               13892  3 ip6t_REJECT,xt_tcpudp,ip6_tables<br>
sunrpc                149724  10 nfsd,lockd,nfs_acl<br>
arc4                    1856  2 <br>
ecb                     3264  2 <br>
blkcipher               5828  1 ecb<br>
ieee80211_crypt_wep     4928  1 <br>
ipv6                  223328  29 ip6t_REJECT<br>
cpufreq_ondemand        7252  1 <br>
binfmt_misc            10248  1 <br>
video                  16392  0 <br>
ibm_acpi               30616  0 <br>
backlight               5440  2 video,ibm_acpi<br>
fan                     4676  0 <br>
button                  7760  0 <br>
battery                 9860  0 <br>
ac                      5060  0 <br>
floppy                 51684  0 <br>
nvram                   7240  0 <br>
pcmcia                 34404  0 <br>
crc32                   3904  2 ieee80211_crypt_wep,pcmcia<br>
snd_intel8x0           30940  3 <br>
snd_ac97_codec         92004  1 snd_intel8x0<br>
ac97_bus                2048  1 snd_ac97_codec<br>
snd_seq_dummy           3588  0 <br>
snd_seq_oss            27968  0 <br>
snd_seq_midi_event      6400  1 snd_seq_oss<br>
snd_seq                42256  5
snd_seq_dummy,snd_seq_oss,snd_seq_midi_event<br>
snd_seq_device          7436  3 snd_seq_dummy,snd_seq_oss,snd_seq<br>
snd_pcm_oss            38432  0 <br>
ipw2100                63664  0 <br>
snd_mixer_oss          15168  2 snd_pcm_oss<br>
snd_pcm                67528  4 snd_intel8x0,snd_ac97_codec,snd_pcm_oss<br>
ieee80211              30152  1 ipw2100<br>
ieee80211_crypt         5184  2 ieee80211_crypt_wep,ieee80211<br>
e1000                 109952  0 <br>
yenta_socket           24588  2 <br>
rsrc_nonstatic         11840  1 yenta_socket<br>
snd_timer              19396  4 snd_rtctimer,snd_seq,snd_pcm<br>
pcmcia_core            36368  3 pcmcia,yenta_socket,rsrc_nonstatic<br>
parport_pc             31844  0 <br>
snd                    46308  11
snd_intel8x0,snd_ac97_codec,snd_seq_oss,snd_seq,snd_seq_device,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer<br>
soundcore               7008  2 snd<br>
parport                32392  1 parport_pc<br>
firmware_class          9152  2 pcmcia,ipw2100<br>
snd_page_alloc          9352  2 snd_intel8x0,snd_pcm<br>
8250_pnp                9408  0 <br>
8250_pci               20160  0 <br>
8250                   20100  2 8250_pnp,8250_pci<br>
pcspkr                  2560  0 <br>
serial_core            18560  1 8250<br>
intel_agp              22812  1 <br>
agpgart                31472  2 drm,intel_agp<br>
evdev                   9024  5 <br>
rtc                    11160  1 snd_rtctimer<br>
fb_ddc                  2432  0 <br>
i2c_algo_bit            7048  0 <br>
cfbcopyarea             3328  0 <br>
i2c_core               20112  2 fb_ddc,i2c_algo_bit<br>
cfbimgblt               2688  0 <br>
cfbfillrect             3392  0 <br>
ata_generic             7876  0 <br>
ata_piix               14404  0 <br>
libata                107220  2 ata_generic,ata_piix<br>
sd_mod                 17040  0 <br>
scsi_mod               91912  2 libata,sd_mod<br>
ehci_hcd               27276  0 <br>
ohci_hcd               18372  0 <br>
uhci_hcd               21068  0 <br>
<br>
<br>
<br>
U Kuehn wrote:
<blockquote cite="mid:47179499.701@acm.org" type="cite">
  <pre wrap="">Dan Sawyer wrote:
  </pre>
  <blockquote type="cite">
    <pre wrap="">Thanks for the reply. It is a radeon 7500 chip. The problem is after the
kernel reorg of the graphics section radeonfb gets built but does not
get used. This is 'new' with 2.6.21 kernels. Are your running a 2.6.21
or later kernel? If so does it use radeonfb? - Dan

    </pre>
  </blockquote>
  <pre wrap=""><!---->Strange. I used to run 2.6.22.1 on my t41 (same chip) and it worked.
BTW, the machine is currently broken with a damaged bios, cannot enter
setup anymore after POST, and is out of warranty :(
So I cannot test anymore.

If the radeonfb is not used I suspect that you have some other
framebuffer like vesa included. I had radeonfb as the only framebuffer,
maybe you could try this.

Cheers,
Ulrich

  </pre>
</blockquote>
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