On Wed, 5 Jul 2006 19:34:52 -0700
"Miles Lane" <[email protected]> wrote:
> On 7/5/06, Miles Lane <[email protected]> wrote:
> > Hi Petko,
> >
> > David Brownell pointed out that you are the author of this driver (rtl8150).
> > My laptop is crashing every time I remove the Linksys EtherFast 10/100
> > Compact Network Adapter (model USB100M) from the USB port.
> >
> > Here's a link to the discussion thus far:
> > http://groups.google.com/group/linux.kernel/tree/browse_frm/thread/8c93e310c7b71242/a8a1e3edb1601906?rnum=1&q=miles+lane&_done=%2Fgroup%2Flinux.kernel%2Fbrowse_frm%2Fthread%2F8c93e310c7b71242%2Fc8a8ba47c49c39fc%3Ftvc%3D1%26q%3Dmiles+lane%26#doc_a8a1e3edb1601906
> >
> > Here's the stacktrace:
> > http://www.zip.com.au/~akpm/linux/patches/stuff/00003.jpg
> >
> > I have reproduced the bug with vanilla 2.6.17. I am currently working my
> > back through kernel versions to try to isolate the responsible patches.
>
> 2.6.15 is the first kernel earliest kernel that seems to work with Ubuntu 6.06's
> implementation of hal / udev / dbus. It does set up the adapter successfully.
>
> I was able to reproduce the crash with 2.6.15. I have attached a screenshot
> of the stacktrace. It may help, since it differs quite a bit from the one for
> 2.6.17-mm5.
The attachment will be too large to make it onto most mailing lists. I put
a copy here: http://www.zip.com.au/~akpm/linux/patches/stuff/00005.jpg
> BTW, should I join linux-usb-devel and CC that list? Also, should I take
> this discussion off of LKML?
Nah, spread it around. Who knows, somoene might actually fix the bug ;)
(cc added)
(Summary: oops in tasklet_action after hot-unplugging a usbnet-driven adapter)
> Here's the detection of the RTL8150:
>
> usb 1-2: new full speed USB device using uhci_hcd and address 3
> usb 1-2: ep0 maxpacket = 8
> usb 1-2: default language 0x0409
> usb 1-2: new device strings: Mfr=1, Product=2, SerialNumber=3
> usb 1-2: Product: Linksys USB LAN Adapter
> usb 1-2: Manufacturer: Linksys
> usb 1-2: SerialNumber: 5322
> usb 1-2: hotplug
> usb 1-2: adding 1-2:1.0 (config #1, interface 0)
> usb 1-2:1.0: hotplug
> hub 1-0:1.0: state 5 ports 2 chg 0000 evt 0004
> eth1: RealTek RTL8139 at 0xf9060800, 00:c0:9f:95:18:1b, IRQ 10
> eth1: Identified 8139 chip type 'RTL-8100B/8139D'
>
> Bus 002 Device 002: ID 0bda:8150 Realtek Semiconductor Corp. RTL8150
> Fast Ethernet Adapter
> Device Descriptor:
> bLength 18
> bDescriptorType 1
> bcdUSB 1.10
> bDeviceClass 0 (Defined at Interface level)
> bDeviceSubClass 0
> bDeviceProtocol 0
> bMaxPacketSize0 8
> idVendor 0x0bda Realtek Semiconductor Corp.
> idProduct 0x8150 RTL8150 Fast Ethernet Adapter
> bcdDevice 1.00
> iManufacturer 1 Linksys
> iProduct 2 Linksys USB LAN Adapter
> iSerial 3 5322
> bNumConfigurations 1
> Configuration Descriptor:
> bLength 9
> bDescriptorType 2
> wTotalLength 39
> bNumInterfaces 1
> bConfigurationValue 1
> iConfiguration 0
> bmAttributes 0xa0
> (Bus Powered)
> Remote Wakeup
> MaxPower 120mA
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 0
> bAlternateSetting 0
> bNumEndpoints 3
> bInterfaceClass 255 Vendor Specific Class
> bInterfaceSubClass 0
> bInterfaceProtocol 255
> iInterface 0
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x81 EP 1 IN
> bmAttributes 2
> Transfer Type Bulk
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0040 1x 64 bytes
> bInterval 0
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x02 EP 2 OUT
> bmAttributes 2
> Transfer Type Bulk
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0040 1x 64 bytes
> bInterval 0
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x83 EP 3 IN
> bmAttributes 3
> Transfer Type Interrupt
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0008 1x 8 bytes
> bInterval 1
> Device Status: 0x0000
> (Bus Powered)
>
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