linux-kernel - Re: sysfs/udev broken in latest git?

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Message-ID: <20887.simon.1185278411@5ec7c279.invalid>
Date:	Tue, 24 Jul 2007 13:00:11 +0100
From:	"Simon Arlott" <simon@...e.lp0.eu>
To:	"Kay Sievers" <kay.sievers@...y.org>
Cc:	"Greg KH" <gregkh@...e.de>,
	"Cornelia Huck" <cornelia.huck@...ibm.com>,
	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>
Subject: Re: sysfs/udev broken in latest git?


On Tue, July 24, 2007 12:55, Kay Sievers wrote:
> On 7/24/07, Simon Arlott <simon@...e.lp0.eu> wrote:
>> On Tue, July 24, 2007 10:20, Kay Sievers wrote:
>> > On 7/24/07, Greg KH <gregkh@...e.de> wrote:
>> >> On Tue, Jul 24, 2007 at 10:03:14AM +0200, Cornelia Huck wrote:
>> >> > On Tue, 24 Jul 2007 00:25:40 -0700,
>> >> > Greg KH <gregkh@...e.de> wrote:
>> >> >
>> >> > > On Tue, Jul 24, 2007 at 07:39:38AM +0100, Simon Arlott wrote:
>> >> > > > The following commit appears to break some of my udev rules (I don't
>> >> > > > have the time to finish the bisect right now, but there's only four
>> >> > > > changes showing in "git bisect visualize" - this one is tagged
>> >> > > > bisect/bad, and the other three are docs/docs/unrelated).
>> >> > > >
>> >> > > > Neither of these symlinks get created by udev on kernels marked bad
>> >> > > > (see bisect log below):
>> >> > > >
>> >> > > > ACTION=="add", \
>> >> > > >         KERNEL=="event*", \
>> >> > > >         SUBSYSTEM=="input", \
>> >> > > >         SYSFS{description}=="i8042 KBD port", \
>> >> > > >         NAME="input/%k", \
>> >> > > >         SYMLINK="input/i8042-kbd", \
>> >> > > >         MODE="0640", \
>> >> > > >         GROUP="event"
>> >> > > >
>> >> > > > ACTION=="add", \
>> >> > > >         KERNEL=="event*", \
>> >> > > >         SUBSYSTEM=="input", \
>> >> > > >         SYSFS{manufacturer}=="Logitech", \
>> >> > > >         SYSFS{product}=="USB-PS/2 Optical Mouse", \
>> >> > > >         NAME="input/%k", \
>> >> > > >         SYMLINK="input/logitech-mouse", \
>> >> > > >         MODE="0640", \
>> >> > > >         GROUP="event"
>> >
>> > Simon, please run:
>> >   udevinfo --attribute-walk --path=<devpath>
>> > for the mouse on the working and the non-working kernel.
>>
>> On the working kernel:
>>
>>   looking at device '/devices/pci0000:00/0000:00:0c.0/usb2/2-2/2-2:1.0':
>
> Please start with the event* device your rule catches, not the usb one.
>

  looking at device '/class/input/event4':
    KERNEL=="event4"
    SUBSYSTEM=="input"
    DRIVER==""
    ATTR{dev}=="13:68"

  looking at device '/class/input/input4':
    KERNEL=="input4"
    SUBSYSTEM=="input"
    DRIVER==""
    ATTR{modalias}=="input:b0003v046DpC044e0110-e0,1,2,k110,111,112,113,114,115,116,117,r0,1,6,8,amlsfw"
    ATTR{uniq}==""
    ATTR{phys}=="usb-0000:00:0c.0-2/input0"
    ATTR{name}=="Logitech USB-PS/2 Optical Mouse"

  looking at parent device '/devices/pci0000:00/0000:00:0c.0/usb2/2-2/2-2:1.0':
    KERNELS=="2-2:1.0"
    SUBSYSTEMS=="usb"
    DRIVERS=="usbhid"
    ATTRS{modalias}=="usb:v046DpC044d2710dc00dsc00dp00ic03isc01ip02"
    ATTRS{bInterfaceProtocol}=="02"
    ATTRS{bInterfaceSubClass}=="01"
    ATTRS{bInterfaceClass}=="03"
    ATTRS{bNumEndpoints}=="01"
    ATTRS{bAlternateSetting}==" 0"
    ATTRS{bInterfaceNumber}=="00"

  looking at parent device '/devices/pci0000:00/0000:00:0c.0/usb2/2-2':
    KERNELS=="2-2"
    SUBSYSTEMS=="usb"
    DRIVERS=="usb"
    ATTRS{product}=="USB-PS/2 Optical Mouse"
    ATTRS{manufacturer}=="Logitech"
    ATTRS{quirks}=="0x0"
    ATTRS{maxchild}=="0"
    ATTRS{version}==" 2.00"
    ATTRS{devnum}=="3"
    ATTRS{busnum}=="2"
    ATTRS{speed}=="1.5"
    ATTRS{bMaxPacketSize0}=="8"
    ATTRS{bNumConfigurations}=="1"
    ATTRS{bDeviceProtocol}=="00"
    ATTRS{bDeviceSubClass}=="00"
    ATTRS{bDeviceClass}=="00"
    ATTRS{bcdDevice}=="2710"
    ATTRS{idProduct}=="c044"
    ATTRS{idVendor}=="046d"
    ATTRS{bMaxPower}==" 98mA"
    ATTRS{bmAttributes}=="a0"
    ATTRS{bConfigurationValue}=="1"
    ATTRS{bNumInterfaces}==" 1"
    ATTRS{configuration}==""
    ATTRS{dev}=="189:130"

  looking at parent device '/devices/pci0000:00/0000:00:0c.0/usb2':
    KERNELS=="usb2"
    SUBSYSTEMS=="usb"
    DRIVERS=="usb"
    ATTRS{serial}=="0000:00:0c.0"
    ATTRS{product}=="UHCI Host Controller"
    ATTRS{manufacturer}=="Linux 2.6.22-git uhci_hcd"
    ATTRS{quirks}=="0x0"
    ATTRS{maxchild}=="2"
    ATTRS{version}==" 1.10"
    ATTRS{devnum}=="1"
    ATTRS{busnum}=="2"
    ATTRS{speed}=="12"
    ATTRS{bMaxPacketSize0}=="64"
    ATTRS{bNumConfigurations}=="1"
    ATTRS{bDeviceProtocol}=="00"
    ATTRS{bDeviceSubClass}=="00"
    ATTRS{bDeviceClass}=="09"
    ATTRS{bcdDevice}=="0206"
    ATTRS{idProduct}=="0000"
    ATTRS{idVendor}=="0000"
    ATTRS{bMaxPower}=="  0mA"
    ATTRS{bmAttributes}=="e0"
    ATTRS{bConfigurationValue}=="1"
    ATTRS{bNumInterfaces}==" 1"
    ATTRS{configuration}==""
    ATTRS{dev}=="189:128"

  looking at parent device '/devices/pci0000:00/0000:00:0c.0':
    KERNELS=="0000:00:0c.0"
    SUBSYSTEMS=="pci"
    DRIVERS=="uhci_hcd"
    ATTRS{msi_bus}==""
    ATTRS{broken_parity_status}=="0"
    ATTRS{enable}=="1"
    ATTRS{modalias}=="pci:v00001106d00003038sv00001106sd00003038bc0Csc03i00"
    ATTRS{local_cpus}=="1"
    ATTRS{irq}=="11"
    ATTRS{class}=="0x0c0300"
    ATTRS{subsystem_device}=="0x3038"
    ATTRS{subsystem_vendor}=="0x1106"
    ATTRS{device}=="0x3038"
    ATTRS{vendor}=="0x1106"

  looking at parent device '/devices/pci0000:00':
    KERNELS=="pci0000:00"
    SUBSYSTEMS==""
    DRIVERS==""
    ATTRS{uevent}==""


I'm sure this only output the first two sections for the non-working kernel, but the "device" symlink
existed in /class/input/input3/:

  looking at device '/class/input/event3':
    KERNEL=="event3"
    SUBSYSTEM=="input"
    DRIVER==""
    ATTR{dev}=="13:67"

  looking at device '/class/input/input3':
    KERNEL=="input3"
    SUBSYSTEM=="input"
    DRIVER==""
    ATTR{uniq}==""
    ATTR{phys}=="isa0060/serio0/input0"
    ATTR{name}=="AT Translated Set 2 keyboard"

  looking at parent device '/devices/platform/i8042/serio0':
    KERNELS=="serio0"
    SUBSYSTEMS=="serio"
    DRIVERS=="atkbd"
    ATTRS{err_count}=="0"
    ATTRS{softraw}=="1"
    ATTRS{softrepeat}=="0"
    ATTRS{set}=="2"
    ATTRS{scroll}=="0"
    ATTRS{extra}=="0"
    ATTRS{bind_mode}=="auto"
    ATTRS{modalias}=="serio:ty06pr00id00ex00"
    ATTRS{description}=="i8042 KBD port"

  looking at parent device '/devices/platform/i8042':
    KERNELS=="i8042"
    SUBSYSTEMS=="platform"
    DRIVERS=="i8042"
    ATTRS{modalias}=="i8042"
    ATTRS{uevent}==""

  looking at parent device '/devices/platform':
    KERNELS=="platform"
    SUBSYSTEMS==""
    DRIVERS==""
    ATTRS{uevent}==""


-- 
Simon Arlott
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