Hello guys,
I'm getting an error ( : probe failed ) when I try to modprobe
scx200_acb. Despite the error, I'm still able to load the lm77 module,
and get temperature readings from /sys/bus/i2c/drivers/lm77/....
Since I have a work around, this issue isn't pressing, but I still have
a two questions about the reported error.
1. Is it safe to ignore the ' : probe failed ' error message? Here's a
quick output of the commands I ran on a new Voyage install. Any
thoughts as to what could be causing this? I have 3 WRAP Boards, which
all behave the same, so I'm assuming the issue is software.
**********************************
voyage:~# uname -a
Linux voyage 2.6.8-486-voyage #1 Tue Jul 12 04:06:34 GMT 2005 i586 GNU/Linux
voyage:~# lsmod
Module Size Used by
sc520_wdt 6452 1
uhci_hcd 29328 0
ohci_hcd 19460 0
ehci_hcd 26116 0
usbcore 104036 3 uhci_hcd,ohci_hcd,ehci_hcd
sc1200 8456 1
dm_mod 51324 0
hostap_pci 53008 0
hostap 107784 1 hostap_pci
natsemi 25696 0
crc32 4480 1 natsemi
voyage:~# modprobe scx200_acb
: probe failed
voyage:~# modprobe i2c-sensor
voyage:~# modprobe lm77
voyage:~# lsmod
Module Size Used by
lm77 9348 0
i2c_sensor 2944 1 lm77
scx200_acb 6020 0
i2c_core 22416 3 lm77,i2c_sensor,scx200_acb
sc520_wdt 6452 1
uhci_hcd 29328 0
ohci_hcd 19460 0
ehci_hcd 26116 0
usbcore 104036 3 uhci_hcd,ohci_hcd,ehci_hcd
sc1200 8456 1
dm_mod 51324 0
hostap_pci 53008 0
hostap 107784 1 hostap_pci
natsemi 25696 0
crc32 4480 1 natsemi
voyage:~#
*************************************
On a second compact flash, I upgraded the Linux Kernel to 2.6.14. I
can't remember exactly how, possibly by using apt-get upgrade. The only
thing I'm sure about, is that I did not build the Kernel, I just
installed it. On a third compact flash, I followed Beats instructions
in the post on Nov 15. Installing docu for kernel, new madwifi, to build
a madwifi-ng compatible version of Voyage.
In both cases listed above, the lm77 module eventually loads
successfully, but again I get errors along the way. The output from one
of the cases is below, as both cases are identical. I get the same
error on modprobe scx200_acb, this time I can't load i2c-sensor, and
worst off all, the modprobe lm77 takes ~15 seconds. I'd like to do this
stuff on boot, by putting the modules into /etc/modules/ but I can't if
it's going to add 15 seconds to the boot time.
Question 2, how do I do away with the 15 second lag time I get when
trying to load lm77 on newer voyage builds? Below is the output from
one of the boards. I've also tried skipping the 'modprobe i2c-sensor'
step, but the 15 second delay is still there. I've also tried "apt-get
install lm-sensors" and that didn't get rid of the 15 second delay.
*************************************
voyage:~# uname -a
Linux voyage 2.6.14-486-voyage #1 PREEMPT Wed Nov 2 18:14:20 GMT 2005
i586 GNU/L
inux
voyage:~# lsmod
Module Size Used by
sc520_wdt 6452 1
uhci_hcd 30480 0
ohci_hcd 19588 0
ehci_hcd 29192 0
usbcore 110976 3 uhci_hcd,ohci_hcd,ehci_hcd
sc1200 7040 0 [permanent]
scx200 4496 0
dm_mod 52284 0
hostap_pci 53904 2
hostap 107652 1 hostap_pci
ieee80211_crypt 5508 1 hostap
natsemi 25440 0
crc32 4352 1 natsemi
voyage:~# modprobe scx200_acb
: probe failed
voyage:~# modprobe i2c-sensor
FATAL: Module i2c_sensor not found.
voyage:~# modprobe lm77
voyage:~# lsmod
Module Size Used by
lm77 9488 0
scx200_acb 6276 0
i2c_core 20752 2 lm77,scx200_acb
sc520_wdt 6452 1
uhci_hcd 30480 0
ohci_hcd 19588 0
ehci_hcd 29192 0
usbcore 110976 3 uhci_hcd,ohci_hcd,ehci_hcd
sc1200 7040 0 [permanent]
scx200 4496 0
dm_mod 52284 0
hostap_pci 53904 2
hostap 107652 1 hostap_pci
ieee80211_crypt 5508 1 hostap
natsemi 25440 0
crc32 4352 1 natsemi
voyage:~#
*************************************
Again, my goal was to get the temp, and that is working, so this issue
isn't a show stopper for me, I'm just curious as to what is going on,
and I'd really like the lm77 module to load without a 15 second delay if
possible. Any help would be appreciated.
Joe
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