Yep, as you might be able to see by my bug edits. I don't really know how to narrow it down from here, and advice is appreciated.
On Thu, Mar 17, 2011 at 06:56, Andy Whitcroft <a...@canonical.com> wrote: > @Michael -- did you make any progress on identifying why this does work > in 2.6.38, as clearly the code there for the device naming is not any > different. Thanks! > > ** Changed in: linux (Ubuntu) > Status: New => Incomplete > > -- > You received this bug notification because you are a direct subscriber > of the bug. > https://bugs.launchpad.net/bugs/731127 > > Title: > usbnet refusing links w/o globally unique MAC > > Status in “linux” package in Ubuntu: > Incomplete > > Bug description: > Ran into this trying to tether my HTC G1 running Cyanogenmod 6.1.0. > > The MAC address presented (ex: 42:b4:ea:XX:XX:XX) isn't locally unique > ( 0x42 && 0x02 != 0). This is cryptically rejected by usbnet.c as > being due to "bad CDC descriptors". > > I fixed this by removing the check for globally unique MAC addresses. > My fix is inspired by muhoo @ http://forum.cyanogenmod.com/topic/16433 > -usb-tethering-not- > working/page__p__143349__hl__%2Busb+%2Btether__fromsearch__1#entry143349 > which led me to http://synce.svn.sourceforge.net/viewvc/synce/trunk > /usb-rndis-lite/ > > Some intra-repository diffing cross-referenced with linux- > source-2.6.35-27-generic led me to their change: > > #include <linux/module.h> > #include <linux/sched.h> > @@ -1181,10 +1181,13 @@ > // NOTE net->name still not usable ... > if (info->bind) { > status = info->bind (dev, udev); > - // heuristic: "usb%d" for links we know are two-host, > - // else "eth%d" when there's reasonable doubt. userspace > - // can rename the link if it knows better. > - if ((dev->driver_info->flags & FLAG_ETHER) != 0 > + // heuristic: "rndis%d" for links with RNDIS framing, > + // "usb%d" for links we know are two-host, else "eth%d" when > + // there's reasonable doubt. userspace can rename the link > + // if it knows better. > + if ((dev->driver_info->flags & FLAG_FRAMING_RN) != 0) > + strcpy (net->name, "rndis%d"); > + else if ((dev->driver_info->flags & FLAG_ETHER) != 0 > && (net->dev_addr [0] & 0x02) == 0) > strcpy (net->name, "eth%d"); > > Attaches is my simplified patch against maverick's kernel. I'm going to try > the mainline kernel next to confirm that the bug still exists there. > > I'm working my way through https://wiki.ubuntu.com/Bugs/HowToFix to > see if I can submit this proper-like, but thought I'd make this bug in > the mean time. > > ProblemType: Bug > DistroRelease: Ubuntu 10.10 > Package: linux-image-2.6.35-27-generic 2.6.35-27.48 > Regression: No > Reproducible: Yes > ProcVersionSignature: Ubuntu 2.6.35-27.48-generic 2.6.35.11 > Uname: Linux 2.6.35-27-generic x86_64 > AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23. > Architecture: amd64 > AudioDevicesInUse: > USER PID ACCESS COMMAND > /dev/snd/controlC0: michael 1830 F.... pulseaudio > /dev/snd/pcmC0D0p: michael 1830 F...m pulseaudio > /dev/snd/seq: michael 1837 F.... timidity > Card0.Amixer.info: > Card hw:0 'Intel'/'HDA Intel at 0xf6dfc000 irq 47' > Mixer name : 'Silicon Image SiI1392 HDMI' > Components : 'HDA:83847616,1028020a,00100201 > HDA:10951392,1028020a,00100000' > Controls : 31 > Simple ctrls : 19 > Date: Tue Mar 8 01:34:16 2011 > HibernationDevice: RESUME=UUID=670a3954-4d15-468e-996f-894e4b3117bc > InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027.1) > MachineType: Dell Inc. XPS M1330 > ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-27-generic > root=UUID=d7ff6202-3e43-4213-836e-441da5761b22 ro quiet splash > ProcEnviron: > PATH=(custom, user) > LANG=en_US.utf8 > SHELL=/bin/bash > RelatedPackageVersions: linux-firmware 1.38.4 > SourcePackage: linux > dmi.bios.date: 12/26/2008 > dmi.bios.vendor: Dell Inc. > dmi.bios.version: A15 > dmi.board.name: 0N6705 > dmi.board.vendor: Dell Inc. > dmi.chassis.type: 8 > dmi.chassis.vendor: Dell Inc. > dmi.modalias: > dmi:bvnDellInc.:bvrA15:bd12/26/2008:svnDellInc.:pnXPSM1330:pvr:rvnDellInc.:rn0N6705:rvr:cvnDellInc.:ct8:cvr: > dmi.product.name: XPS M1330 > dmi.sys.vendor: Dell Inc. > > To unsubscribe from this bug, go to: > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/731127/+subscribe > ** Package changed: linux (Ubuntu) => linux-backports-modules-2.6.35 (Ubuntu) ** Summary changed: - usbnet refusing links w/o globally unique MAC + linux-backports-modules-2.6.35 break tethering to HTC G1 when running linux-image-2.6.35-28-generic ** Description changed: - Ran into this trying to tether my HTC G1 running Cyanogenmod 6.1.0. + w/ linux-image-2.6.35-28-generic and linux-backports-modules-compat- + wireless-2.6.36-2.6.35-28-generic (this is bad): - The MAC address presented (ex: 42:b4:ea:XX:XX:XX) isn't locally unique ( - 0x42 && 0x02 != 0). This is cryptically rejected by usbnet.c as being - due to "bad CDC descriptors". + [ 44.489235] usb 1-1: new high speed USB device using ehci_hcd and address 5 + [ 44.909215] usbcore: registered new interface driver cdc_ether + [ 44.975498] usb 1-1: bad CDC descriptors + [ 44.977907] usbcore: registered new interface driver rndis_host - I fixed this by removing the check for globally unique MAC addresses. My - fix is inspired by muhoo @ http://forum.cyanogenmod.com/topic/16433-usb- - tethering-not- - working/page__p__143349__hl__%2Busb+%2Btether__fromsearch__1#entry143349 - which led me to http://synce.svn.sourceforge.net/viewvc/synce/trunk/usb- - rndis-lite/ + w/ only linux-image-2.6.35-28-generic (this is good): - Some intra-repository diffing cross-referenced with linux- - source-2.6.35-27-generic led me to their change: + [ 35.101077] usb 1-1: new high speed USB device using ehci_hcd and address 4 + [ 35.414001] usbcore: registered new interface driver cdc_ether + [ 35.462177] rndis_host 1-1:1.0: usb0: register 'rndis_host' at usb-0000:00:1d.7-1, RNDIS device, ba:f4:ab:2c:00:9c + [ 35.462263] usbcore: registered new interface driver rndis_host - #include <linux/module.h> - #include <linux/sched.h> - @@ -1181,10 +1181,13 @@ - // NOTE net->name still not usable ... - if (info->bind) { - status = info->bind (dev, udev); - - // heuristic: "usb%d" for links we know are two-host, - - // else "eth%d" when there's reasonable doubt. userspace - - // can rename the link if it knows better. - - if ((dev->driver_info->flags & FLAG_ETHER) != 0 - + // heuristic: "rndis%d" for links with RNDIS framing, - + // "usb%d" for links we know are two-host, else "eth%d" when - + // there's reasonable doubt. userspace can rename the link - + // if it knows better. - + if ((dev->driver_info->flags & FLAG_FRAMING_RN) != 0) - + strcpy (net->name, "rndis%d"); - + else if ((dev->driver_info->flags & FLAG_ETHER) != 0 - && (net->dev_addr [0] & 0x02) == 0) - strcpy (net->name, "eth%d"); - - Attaches is my simplified patch against maverick's kernel. I'm going to try the mainline kernel next to confirm that the bug still exists there. - - I'm working my way through https://wiki.ubuntu.com/Bugs/HowToFix to see - if I can submit this proper-like, but thought I'd make this bug in the - mean time. ProblemType: Bug DistroRelease: Ubuntu 10.10 - Package: linux-image-2.6.35-27-generic 2.6.35-27.48 + Package: linux-backports-modules-compat-wireless-2.6.36-2.6.35-28-generic 2.6.35-28.19 Regression: No Reproducible: Yes - ProcVersionSignature: Ubuntu 2.6.35-27.48-generic 2.6.35.11 - Uname: Linux 2.6.35-27-generic x86_64 + ProcVersionSignature: Ubuntu 2.6.35-28.50-generic 2.6.35.11 + Uname: Linux 2.6.35-28-generic x86_64 AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23. Architecture: amd64 AudioDevicesInUse: - USER PID ACCESS COMMAND - /dev/snd/controlC0: michael 1830 F.... pulseaudio - /dev/snd/pcmC0D0p: michael 1830 F...m pulseaudio - /dev/snd/seq: michael 1837 F.... timidity + USER PID ACCESS COMMAND + /dev/snd/controlC0: michael 1830 F.... pulseaudio + /dev/snd/pcmC0D0p: michael 1830 F...m pulseaudio + /dev/snd/seq: michael 1837 F.... timidity Card0.Amixer.info: - Card hw:0 'Intel'/'HDA Intel at 0xf6dfc000 irq 47' - Mixer name : 'Silicon Image SiI1392 HDMI' - Components : 'HDA:83847616,1028020a,00100201 HDA:10951392,1028020a,00100000' - Controls : 31 - Simple ctrls : 19 + Card hw:0 'Intel'/'HDA Intel at 0xf6dfc000 irq 47' + Mixer name : 'Silicon Image SiI1392 HDMI' + Components : 'HDA:83847616,1028020a,00100201 HDA:10951392,1028020a,00100000' + Controls : 31 + Simple ctrls : 19 Date: Tue Mar 8 01:34:16 2011 HibernationDevice: RESUME=UUID=670a3954-4d15-468e-996f-894e4b3117bc InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027.1) MachineType: Dell Inc. XPS M1330 ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-27-generic root=UUID=d7ff6202-3e43-4213-836e-441da5761b22 ro quiet splash ProcEnviron: - PATH=(custom, user) - LANG=en_US.utf8 - SHELL=/bin/bash + PATH=(custom, user) + LANG=en_US.utf8 + SHELL=/bin/bash RelatedPackageVersions: linux-firmware 1.38.4 SourcePackage: linux dmi.bios.date: 12/26/2008 dmi.bios.vendor: Dell Inc. dmi.bios.version: A15 dmi.board.name: 0N6705 dmi.board.vendor: Dell Inc. dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA15:bd12/26/2008:svnDellInc.:pnXPSM1330:pvr:rvnDellInc.:rn0N6705:rvr:cvnDellInc.:ct8:cvr: dmi.product.name: XPS M1330 dmi.sys.vendor: Dell Inc. ** Changed in: linux-backports-modules-2.6.35 (Ubuntu) Status: Incomplete => New ** Summary changed: - linux-backports-modules-2.6.35 break tethering to HTC G1 when running linux-image-2.6.35-28-generic + linux-backports-modules-compat-wireless-2.6.36-2.6.35-28-generic breaks tethering to HTC G1 when running linux-image-2.6.35-28-generic -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/731127 Title: linux-backports-modules-compat-wireless-2.6.36-2.6.35-28-generic breaks tethering to HTC G1 when running linux-image-2.6.35-28-generic -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
