[Bug 637183] New: /etc/sysconfig/network/scripts/ifplugd-selectif: line 40: read: read error: 0: Invalid argument
https://bugzilla.novell.com/show_bug.cgi?id=637183
https://bugzilla.novell.com/show_bug.cgi?id=637183#c0
Summary: /etc/sysconfig/network/scripts/ifplugd-selectif: line
40: read: read error: 0: Invalid argument
Classification: openSUSE
Product: openSUSE 11.2
Version: Final
Platform: x86-64
OS/Version: openSUSE 11.2
Status: NEW
Severity: Normal
Priority: P5 - None
Component: Network
AssignedTo: bnc-team-screening@forge.provo.novell.com
ReportedBy: martin@oneiros.de
QAContact: qa@suse.de
Found By: ---
Blocker: ---
Created an attachment (id=387614)
--> (http://bugzilla.novell.com/attachment.cgi?id=387614)
boot.msg
User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; de; rv:1.9.2.8)
Gecko/20100723 SUSE/3.6.8-1.3 Firefox/3.6.8
At bootup I get these messages:
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--- Comment #1 from Martin Schröder
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n liu
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Li Bin
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Li Bin
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Martin Schröder
The error occurred when read /sys/class/net/wlan0/carrier, so could list your /sys/class/net directory with ls?
------------------------- lrwxrwxrwx 1 root root 0 2. Okt 20:11 eth0 -> ./../devices/pci0000:00/0000:00:1c.5/0000:09:00.0/net/eth0 lrwxrwxrwx 1 root root 0 2. Okt 20:11 lo -> ../../devices/virtual/net/lo lrwxrwxrwx 1 root root 0 2. Okt 20:11 wlan0 -> ./../devices/pci0000:00/0000:00:1c.1/0000:0c:00.0/net/wlan0
LANG=C ls -la /sys/class/net/wlan0/ total 0 drwxr-xr-x 4 root root 0 Oct 2 23:51 . drwxr-xr-x 3 root root 0 Oct 2 23:51 .. -r--r--r-- 1 root root 4096 Oct 3 13:19 addr_len -r--r--r-- 1 root root 4096 Oct 3 13:19 address -r--r--r-- 1 root root 4096 Oct 3 13:19 broadcast -r--r--r-- 1 root root 4096 Oct 3 13:19 carrier -r--r--r-- 1 root root 4096 Oct 3 13:19 dev_id lrwxrwxrwx 1 root root 0 Oct 3 12:36 device -> ../../../0000:0c:00.0 -r--r--r-- 1 root root 4096 Oct 3 13:19 dormant -r--r--r-- 1 root root 4096 Oct 3 13:19 features -rw-r--r-- 1 root root 4096 Oct 3 13:19 flags -rw-r--r-- 1 root root 4096 Oct 3 13:19 ifalias -r--r--r-- 1 root root 4096 Oct 3 12:36 ifindex -r--r--r-- 1 root root 4096 Oct 3 13:19 iflink -r--r--r-- 1 root root 4096 Oct 3 13:19 link_mode -rw-r--r-- 1 root root 4096 Oct 3 13:19 mtu -r--r--r-- 1 root root 4096 Oct 3 13:19 operstate lrwxrwxrwx 1 root root 0 Oct 3 13:19 phy80211 -> ../../ieee80211/phy0 drwxr-xr-x 2 root root 0 Oct 3 13:19 power drwxr-xr-x 2 root root 0 Oct 3 13:19 statistics lrwxrwxrwx 1 root root 0 Oct 3 13:19 subsystem -> ./../../../../../class/net -rw-r--r-- 1 root root 4096 Oct 3 13:19 tx_queue_len -r--r--r-- 1 root root 4096 Oct 3 12:36 type -rw-r--r-- 1 root root 4096 Oct 3 01:05 uevent
LANG=C cat /sys/class/net/wlan0/carrier cat: /sys/class/net/wlan0/carrier: Invalid argument
wlan0 is currently disabled via the kill switch. Could that cause this problem? -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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hongdan liu
LANG=C cat /sys/class/net/wlan0/carrier cat: /sys/class/net/wlan0/carrier: Invalid argument
wlan0 is currently disabled via the kill switch. Could that cause this problem?
Yes. A device is not able to indicate carrier accurately when the device is not currently running. So you will get an -EINVAL until the device is brought up. The reason is that most drivers don't even probe the link or negotiate link speed and flow control until the device is brought up. Many don't even power up the PHY when the device is down, in order to save power. If you disable eth0, /sys/class/net/eth0/carrier can't be read either. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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Li Bin
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Marius Tomaschewski
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--- Comment #8 from Marius Tomaschewski
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Marius Tomaschewski
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hongdan liu
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Marius Tomaschewski
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--- Comment #12 from Marius Tomaschewski
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--- Comment #13 from Martin Schröder
Martin, can you test it?
No, as I just quit the job which provides this notebook and 11.2 :-) -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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--- Comment #14 from Marius Tomaschewski
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Christian Dengler
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Christian Dengler
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Swamp Workflow Management
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Swamp Workflow Management
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Swamp Workflow Management
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Swamp Workflow Management
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Swamp Workflow Management
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--- Comment #24 from Bernhard Wiedemann
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