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Sierra Wireless on Rawhide



Hi there,

I've been trying to get UMTS working through the Sierra chip in my
Thinkpad X60s and for some reason, the USB subsystem in F8 TestN and
Rawhide clocks that I have the Sierra chip, configures it (udev
creates /dev/ttyUSB[0-2]) and then immediately disconnects the device,
meaning I no longer see it in lsusb output etc. This was not the case
in F7.

I've tried reverting the Sierra driver to version 1.0.6 (known to work
on RHEL5), to no avail, and I've also tried booting with
usbcore.autosuspend=0 and usbcore.autosuspend=-1. Neither improves the
situation.

In /var/log/messages I get the following snippet around when sierra is
loaded;

---
Oct  7 12:44:02 iota kernel: usbcore: registered new interface driver hci_usb
Oct  7 12:44:02 iota kernel: drivers/usb/serial/usb-serial.c: USB Serial support registered for Sierra USB modem (1 port)
Oct  7 12:44:02 iota kernel: drivers/usb/serial/usb-serial.c: USB Serial support registered for Sierra USB modem (3 port)
Oct  7 12:44:02 iota kernel: sierra 3-1:1.0: Sierra USB modem (3 port) converter detected
Oct  7 12:44:02 iota kernel: usb 3-1: Sierra USB modem (3 port) converter now attached to ttyUSB0
Oct  7 12:44:02 iota kernel: usb 3-1: Sierra USB modem (3 port) converter now attached to ttyUSB1
Oct  7 12:44:02 iota kernel: usb 3-1: Sierra USB modem (3 port) converter now attached to ttyUSB2
Oct  7 12:44:02 iota kernel: usbcore: registered new interface driver sierra
Oct  7 12:44:02 iota kernel: /root/sierra.v.1.0.6/sierra.c: USB Driver for Sierra Wireless USB modems: v.1.0.6
Oct  7 12:44:02 iota kernel: iTCO_vendor_support: vendor-support=0
Oct  7 12:44:02 iota kernel: sdhci: Secure Digital Host Controller Interface driver
Oct  7 12:44:02 iota kernel: sdhci: Copyright(c) Pierre Ossman
Oct  7 12:44:02 iota kernel: sdhci: SDHCI controller found at 0000:15:00.2 [1180:0822] (rev 18)
Oct  7 12:44:02 iota kernel: ACPI: PCI Interrupt 0000:15:00.2[C] -> GSI 18 (level, low) -> IRQ 23
Oct  7 12:44:02 iota kernel: mmc0: SDHCI at 0xe4301800 irq 23 DMA
Oct  7 12:44:02 iota kernel: iTCO_wdt: Intel TCO WatchDog Timer Driver v1.02 (26-Jul-2007)
Oct  7 12:44:02 iota kernel: iTCO_wdt: Found a ICH7-M TCO device (Version=2, TCOBASE=0x1060)
Oct  7 12:44:02 iota kernel: usb 3-1: USB disconnect, address 2
Oct  7 12:44:02 iota kernel: sierra3 ttyUSB0: Sierra USB modem (3 port) converter now disconnected from ttyUSB0
Oct  7 12:44:02 iota kernel: sierra3 ttyUSB1: Sierra USB modem (3 port) converter now disconnected from ttyUSB1
Oct  7 12:44:02 iota kernel: sierra3 ttyUSB2: Sierra USB modem (3 port) converter now disconnected from ttyUSB2
Oct  7 12:44:02 iota kernel: sierra 3-1:1.0: device disconnected
---

Can someone let me know how I can debug this so that this will work in
F8 when it is released?

Thanks!


-- 
Anders Karlsson <anders trudheim co uk>
All-Round Linux Tinkerer & RHCE


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