Messages in this thread | | | Date | Sat, 2 Feb 2008 10:55:07 -0800 | From | Greg KH <> | Subject | Re: udevd induced deadlock in loading kernel modules? |
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On Sat, Feb 02, 2008 at 03:21:16AM -0800, Petr Vandrovec wrote: > Mailer on sf.net says that email address in udev's README is obsolete. > Oops... > Petr > > -------- Original Message -------- > Subject: udevd induced deadlock in loading kernel modules? > Date: Sat, 2 Feb 2008 12:07:19 +0100 > From: Petr Vandrovec <petr@vandrovec.name> > To: linux-kernel@vger.kernel.org > CC: linux-hotplug-devel@lists.sourceforge.net > > Hello, > today my system hung during boot, while loading ftdi_sio & loop - I have > two ftdi serial ports, > and apparently this tricked udevd to start two concurrent modprobes for > them - so I ended up with > strance "ftdi_sio: gave up waiting for init of module usbserial." for each > symbol it tried to > import, until I kill-9 process 3137 (see below). After that loop got > loaded, and second ftdi's > load finished as well. > > Unfortunately I do not have stacktraces of hung modprobe processes. Maybe > next time, but it > does not look very reproducible. > > Kernel is current git (2.6.24, ed50d6cbc394cd0966469d3e249353c9dd1d38b9), > udev is Debian's 0.114-2, > and module-init-tools are Debian's 3.3-pre11-4. Kernel is 64bit amd64 with > almost all debugging > enabled, userspace is 32bit.
This sounds like a Debian bug in the init process logic. Care to file a bug in their system for it?
thanks,
greg k-h
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