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Re: crash by cdc_acm driver in kernels 4.8-rc1/5

From Wim Osterholt <wim@djo.tudelft.nl>
Newsgroups linux.kernel
Subject Re: crash by cdc_acm driver in kernels 4.8-rc1/5
Date 2016-09-23 12:10 +0200
Message-ID <skvAB-2j1-9@gated-at.bofh.it> (permalink)
References (5 earlier) <sjt7P-3qP-19@gated-at.bofh.it> <sjvsZ-4Ti-1@gated-at.bofh.it> <sjOOZ-vu-1@gated-at.bofh.it> <sjSSC-2Xx-19@gated-at.bofh.it> <skdu2-7CL-23@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Thu, Sep 22, 2016 at 04:40:50PM +0200, Oliver Neukum wrote:
> 
> dmesg -c
> echo 9 > /proc/sysrq-trigger
> modprobe cdc_acm
> echo "module cdc_acm +mpf" > /sys/kernel/debug/dynamic_debug/control
> 
> [plug your device in]
> 
> and provide the full output of dmesg after that.

That is not possible under a 4.8 kernel.

'Fixing recursive fault but reboot is needed!' and frozen it is.


Regards, Wim.

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Thread

Re: crash by cdc_acm driver in kernels 4.8-rc1/5 Wim Osterholt <wim@djo.tudelft.nl> - 2016-09-12 04:50 +0200
  Re: crash by cdc_acm driver in kernels 4.8-rc1/5 Oliver Neukum <oneukum@suse.com> - 2016-09-20 15:20 +0200
    Re: crash by cdc_acm driver in kernels 4.8-rc1/5 Wim Osterholt <wim@djo.tudelft.nl> - 2016-09-20 17:50 +0200
      Re: crash by cdc_acm driver in kernels 4.8-rc1/5 Oliver Neukum <oneukum@suse.com> - 2016-09-21 14:30 +0200
        Re: crash by cdc_acm driver in kernels 4.8-rc1/5 Wim Osterholt <wim@djo.tudelft.nl> - 2016-09-21 18:30 +0200
        Re: crash by cdc_acm driver in kernels 4.8-rc1/5 Wim Osterholt <wim@djo.tudelft.nl> - 2016-09-21 18:50 +0200
          Re: crash by cdc_acm driver in kernels 4.8-rc1/5 Oliver Neukum <oneukum@suse.com> - 2016-09-22 16:50 +0200
            Re: crash by cdc_acm driver in kernels 4.8-rc1/5 Wim Osterholt <wim@djo.tudelft.nl> - 2016-09-22 20:00 +0200
            Re: crash by cdc_acm driver in kernels 4.8-rc1/5 Wim Osterholt <wim@djo.tudelft.nl> - 2016-09-22 21:30 +0200
            Re: crash by cdc_acm driver in kernels 4.8-rc1/5 Wim Osterholt <wim@djo.tudelft.nl> - 2016-09-23 12:10 +0200
            Re: crash by cdc_acm driver in kernels 4.8-rc1/5 Wim Osterholt <wim@djo.tudelft.nl> - 2016-09-27 18:40 +0200
              Re: crash by cdc_acm driver in kernels 4.8-rc1/5 Oliver Neukum <oneukum@suse.com> - 2016-09-28 11:20 +0200
                Re: crash by cdc_acm driver in kernels 4.8-rc1/5 Wim Osterholt <wim@djo.tudelft.nl> - 2016-09-28 16:50 +0200
                Re: crash by cdc_acm driver in kernels 4.8-rc1/5 Wim Osterholt <wim@djo.tudelft.nl> - 2016-09-28 17:10 +0200
                Re: crash by cdc_acm driver in kernels 4.8-rc1/5 Oliver Neukum <oneukum@suse.com> - 2016-09-28 17:30 +0200
                Re: crash by cdc_acm driver in kernels 4.8-rc1/5 Wim Osterholt <wim@djo.tudelft.nl> - 2016-09-29 15:30 +0200
                Re: crash by cdc_acm driver in kernels 4.8-rc1/5 Oliver Neukum <oneukum@suse.com> - 2016-10-06 13:00 +0200

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