linux-kernel - Re: root hub lost power or was reset

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Message-ID: <dd18b0c30912021537i6f778a9axc6698987985551df@mail.gmail.com>
Date:	Wed, 2 Dec 2009 15:37:15 -0800
From:	Justin Mattock <justinmattock@...il.com>
To:	Oliver Neukum <oliver@...kum.org>
Cc:	Linux-usb <linux-usb@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: root hub lost power or was reset

On Wed, Dec 2, 2009 at 3:19 PM, Oliver Neukum <oliver@...kum.org> wrote:
> Am Mittwoch, 2. Dezember 2009 23:34:30 schrieb Justin Mattock:
>
>> for a bit I thought that this was also the cause of the delay
>> but the system wakes up as it should even with this happening to
>> usb.
>
> Perhaps something does an operation that needs to time out.
> Which drivers have you loaded when it works and when it doesn't work?

right now, the only module I removed(which was causing my s2ram pause)
is isight_firmware.ko.(need to look into why this is)
after that s2ram works good.

Now the usb issue, seems I see this every time I s2ram.
there is an external usb mouse, but makes no difference if it's connected,
or disconnected..still see the root hub lost power.
(maybe the machine is getting old: macbook pro 2yrs old)

heres lsmod:

Module                  Size  Used by
radeon                507706  2
ttm                    36164  1 radeon
drm_kms_helper         22484  1 radeon
drm                   149553  5 radeon,ttm,drm_kms_helper
i2c_algo_bit            4835  1 radeon
ipt_LOG                 5111  1
iptable_nat             4012  0
nf_nat                 15811  1 iptable_nat
xt_state                1394  1
nf_conntrack_ftp        6068  0
nf_conntrack_ipv4      11271  4 iptable_nat,nf_nat
nf_conntrack           60809  5
iptable_nat,nf_nat,xt_state,nf_conntrack_ftp,nf_conntrack_ipv4
nf_defrag_ipv4          1329  1 nf_conntrack_ipv4
iptable_filter          1697  1
ip_tables              10159  2 iptable_nat,iptable_filter
x_tables               13623  4 ipt_LOG,iptable_nat,xt_state,ip_tables
snd_hda_codec_idt      52390  1
firewire_ohci          20906  0
firewire_core          41362  1 firewire_ohci
snd_hda_intel          20949  1
snd_hda_codec          66439  2 snd_hda_codec_idt,snd_hda_intel
ohci1394               26076  0
snd_hwdep               5088  1 snd_hda_codec
ath9k                 289991  0
ieee1394               75265  1 ohci1394
evdev                   7969  4
snd_pcm                64635  2 snd_hda_intel,snd_hda_codec
sky2                   40051  0
button                  5779  0
video                  20415  0
thermal                14438  0
i2c_i801                7265  0
joydev                  8766  0
ac                      3489  0
battery                10367  0
ath                     8766  1 ath9k
snd_page_alloc          7125  2 snd_hda_intel,snd_pcm
uhci_hcd               18963  0
ehci_hcd               31519  0
coretemp                5006  0
acpi_cpufreq            7024  0
processor              38952  3 acpi_cpufreq
appletouch              8569  0
applesmc               25995  0


>
>> BTW: Is CONFIG_USB_PERSIST in the kernel anymore
>> with 2.6.32*?(I can't seem to find that option);
>
> It is always used and switched on by default.
>
>        Regards
>                Oliver
>

o.k. I didn't know it is set to on by default.


-- 
Justin P. Mattock
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