Messages in this thread |  | | | Subject | Re: Issue with firewire from 2.6.35.9 to 2.6.36.1 | | From | Maxim Levitsky <> | | Date | Mon, 06 Dec 2010 02:11:19 +0200 |
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On Sun, 2010-12-05 at 17:37 -0600, Robin Cook wrote: > Hello, > > I recently upgraded from 26.35.9 to 2.6.36.1 and now the /dev/fwX > devices are not being created. I have udev 164 installed. > > 2.6.35.9 dmesg firewire lines... > > firewire_ohci 0000:07:00.0: PCI INT A -> GSI 44 (level, low) -> IRQ 44 > firewire_ohci 0000:07:00.0: setting latency timer to 64 > firewire_ohci: Added fw-ohci device 0000:07:00.0, OHCI v1.10, 4 IR + 8 IT contexts, quirks 0x1 > firewire_core: created device fw0: GUID 0010dc0001adc862, S400 > firewire_core: created device fw1: GUID 00808803072803a5, S100 > firewire_core: phy config: card 0, new root=ffc1, gap_count=5 > > 2.6.36.1 dmesg firewire lines... > > firewire_ohci 0000:07:00.0: PCI INT A -> GSI 44 (level, low) -> IRQ 44 > firewire_ohci 0000:07:00.0: setting latency timer to 64 > firewire_ohci 0000:07:00.0: irq 75 for MSI/MSI-X > firewire_ohci: Added fw-ohci device 0000:07:00.0, OHCI v1.10, 4 IR + 8 IT contexts, quirks 0x1 > > I have compared the difference between the two kernel configs and the > only differences that I see that may apply to the firewire are: > > CONFIG_DNOTIFY=y > -CONFIG_INOTIFY=y > CONFIG_INOTIFY_USER=y > > # CONFIG_IEEE1394 is not set > +CONFIG_FIREWIRE_NOSY=m > CONFIG_I2O=m > > On the ieee1394 wiki page it says that these kernel option are expected > to be on for the libraw1394: > > CONFIG_INOTIFY=y > CONFIG_INOTIFY_USER=y > CONFIG_EPOLL=y > > These option are correct in the 2.6.35.9 kernel but the CONFIG_INOTIFY > option is missing completely in the 2.6.36.1 kernel. > > Is this a change in how the firewire works in the kernel and that udev > needs to be modified or is there something else wrong?
CC'ed linux1394-devel
It looks like now firewire stack doesn't discover any devices? I don't think its Kconfig issue.
Best regards, Maxim Levitsky
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