Red Hat Bugzilla – Bug 435113
Hang at graphical login if Huawei E220 USB modem plugged in
Last modified: 2008-02-29 10:58:57 EST
Description of problem:
Screen goes blank after rhgb, and then nothing happens, if I have my Huawei USB
modem plugged in. Nothing in /var/log/messages. (However, syslog is still alive
- if I disconnect the USB modem, that gets recorded in /var/log/messsages)
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Plug in USB modem
2. Switch on computer
This bug does NOT occur with kernel-22.214.171.124-7.fc8.
Bus 003 Device 002: ID 12d1:1003 Huawei Technologies Co., Ltd. E220 HSDPA Modem
NOTE: I had previously made the following two changes to my system, that I found
on a blog at http://www.evil.ie/bleh/:
1. This is to avoid the modem getting disconnected:
@@ -16,6 +16,11 @@
<!-- some usb sticks don't like polling -->
+ <match key="@storage.originating_device:usb.vendor_id" int="0x12d1">
+ <match key="@storage.originating_device:usb.product_id" int="0x1003">
+ <merge key="info.ignore" type="bool">true</merge>
<match key="@storage.originating_device:usb.vendor_id" int="0x054c">
<match key="@storage.originating_device:usb.product_id" int="0x008b">
<merge key="storage.media_check_enabled" type="bool">false</merge>
2. This is to try and get the modem recognised by NetworkManager (which didn't
work for me):
install http://www.evil.ie/3/10-3g-modem.fdi to
D'oh! Got the kernel versions the wrong way around above!
This bug DOES occur with kernel-126.96.36.199-7.fc8.
This bus DOES NOT occur with 188.8.131.52-137.fc8.
Have you installed the latest firmware update? (version 11.117.07.00.67)
See also bug 253096 (but keep in mind that we did not have any such hangs
among reporters of that bug, so something else may be in play here).
Please don't dup until we know what is happening.
(In reply to comment #2)
> Have you installed the latest firmware update? (version 11.117.07.00.67)
No - Wikipedia says doing such may erase APN settings. I don't know how to
safely do that, given that I'm using a modem with a custom ISO image on it from
Hutchison 3G (aka 3).
(In reply to comment #3)
> See also bug 253096 (but keep in mind that we did not have any such hangs
> among reporters of that bug, so something else may be in play here).
> Please don't dup until we know what is happening.
The hal patch I applied (see above) is the same one mentioned as a workaround in
a comment to that bug.
I upgraded my kernel and could no longer reproduce this.