[Beignet] [drm] stuck on render ring

Mon Oct 20 17:33:54 PDT 2014

Did you try to run the unit tests?

On Mon, Oct 20, 2014 at 01:17:23PM +0100, Ernst Lenzer wrote:
> Thanks for your suggestions. The output I showed was already with "echo 0 > /sys/module/i915/parameters/enable_cmd_parser". I used that to solve this error: "Assertion gpgpu->binded_buf[i]->offset != 0"
> 
> I now also tried disable-batchbuffer-security.patch. The kernel patched fine with it, but it doesn't make any difference to my problem, the output is exactly the same.
>  
> 
> 
> On Monday, 20 October 2014, 6:41, Zhigang Gong <zhigang.gong at linux.intel.com> wrote:
>  
> 
> 
> And if almost all unit tests fail, you may also need to read the following:
> 
> * Almost all unit tests fail on Linux kernel 3.15/3.16.
>   There is a known issue in some versions of linux kernel which enable register whitelist feature
>   but miss some necessary registers which are required for beignet. The problematic version are
>   around 3.15 and 3.16 which have commit f0a346b... but haven't commit c9224f... If it is the case,
>   you can apply c9224f... manually and rebuild the kernel or just disable the parse command by
>   invoke the following command (use Ubuntu as an example):
>   `# echo 0 > /sys/module/i915/parameters/enable_cmd_parser`
> 
> On Mon, Oct 20, 2014 at 12:47:41PM +0800, Zhigang Gong wrote:
> > Did you apply the kernel patch for HSW mentioned in the README.md?
> > 
> > * Some unit test cases, maybe 20 to 30, fail on 4th Generation (HSW) platform.
> >   The 4th Generation Intel Core Processors's support requires some Linux kernel
> >   modification. You need to apply the patch at:
> >   [https://01.org/zh/beignet/downloads/linux-kernel-patch-hsw-support](https://01.org/zh/beignet/downloads/linux-kernel-patch-hsw-support)
> > 
> > 
> > And if so, could you try to run the unit tests and check the result?
> > 
> > Thanks,
> > Zhigang Gong.
> > 
> > On Sun, Oct 19, 2014 at 01:30:42PM +0100, Ernst Lenzer wrote:
> > > Thanks for your reply. The screen freezes for about 5 seconds, then the errors show up. I tried running "echo -n 0 > /sys/module/i915/parameters/enable_hangcheck" before executing "pyrit selfcheck", but that freezes the screen until reboot (I waited about 10 minutes). So it looks like it must be a different issue.
> > > 
> > > 
> > > On Sunday, 19 October 2014, 12:55, Yichao Yu <yyc1992 at gmail.com> wrote:
> > >  
> > > 
> > > 
> > > On Sat, Oct 18, 2014 at 11:33 AM, Ernst Lenzer <ernstlenzer at yahoo.com> wrote:
> > > > I'm trying to use pyrit with OpenCL extension with an Intel 4600 using
> > > > Beignet. I'm running Debian Jessie, Kernel 3.16, pyrit 0.8.1-1 from the
> > > > official Debian repositories and ran "echo 0 >
> > > > /sys/module/i915/parameters/enable_cmd_parser" to avoid the known bug with
> > > > kernel 3.16. "pyrit selftest" produces the following error in the terminal:
> > > >
> > > >>>>>>>>>>>>>>>>>
> > > > Exception in thread OpenCL-Device 'Intel(R) HD Graphics Haswell M':
> > > > Traceback (most recent call last):
> > > >   File "/usr/lib/python2.7/threading.py", line 810, in __bootstrap_inner
> > > >     self.run()
> > > >   File "/usr/lib/python2.7/dist-packages/cpyrit/cpyrit.py", line 113, in run
> > > >     self._testComputeFunction(101)
> > > >   File "/usr/lib/python2.7/dist-packages/cpyrit/cpyrit.py", line 103, in
> > > > _testComputeFunction
> > > >     raise ValueError("Test-vector does not result in correct PMK.")
> > > > ValueError: Test-vector does not result in correct PMK.
> > > >
> > > > Exception in thread CPU-Core (SSE2):
> > > > Traceback (most recent call last):
> > > >   File "/usr/lib/python2.7/threading.py", line 810, in __bootstrap_inner
> > > >     self.run()
> > > >   File "/usr/lib/python2.7/dist-packages/cpyrit/cpyrit.py", line 110, in run
> > > >     essid, pwlist = self.queue._gather(self.buffersize, timeout=0.5)
> > > >   File "/usr/lib/python2.7/dist-packages/cpyrit/cpyrit.py", line 632, in
> > > > _gather
> > > >     self._check_cores()
> > > >   File "/usr/lib/python2.7/dist-packages/cpyrit/cpyrit.py", line 490, in
> > > > _check_cores
> > > >     raise SystemError("The core '%s' has died unexpectedly" % core)
> > > > SystemError: The core 'OpenCL-Device 'Intel(R) HD Graphics Haswell M'' has
> > > > died unexpectedly
> > > >>>>>>>>>>>>>>>>>
> > > >
> > > > The following shows up in dmesg:
> > > >
> > > >>>>>>>>>>>>>>>>>
> > > > [drm] stuck on render ring
> > > > [drm] GPU HANG: ecode 0:0xfdddfffe, in pyrit [4016], reason: Ring hung,
> > > > action: reset
> > > >>>>>>>>>>>>>>>>>
> > > 
> > > How long does the kernel run? The output is slightly different but
> > > maybe it is related to the GPU hang check issue[1].
> > > 
> > > [1] http://www.freedesktop.org/wiki/Software/Beignet/#knownissues
> > > 
> > > 
> > > >
> > > > Without Beignet pyrit works fine.
> > > >
> > > > _______________________________________________
> > > > Beignet mailing list
> > > > Beignet at lists.freedesktop.org
> > > > http://lists.freedesktop.org/mailman/listinfo/beignet
> 
> > > >
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