| Summary: | [HSW]*ERROR* Unknown unclaimed register | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Product: | DRI | Reporter: | shui yangwei <yangweix.shui> | ||||||||||||||||
| Component: | DRM/Intel | Assignee: | Intel GFX Bugs mailing list <intel-gfx-bugs> | ||||||||||||||||
| Status: | CLOSED FIXED | QA Contact: | Intel GFX Bugs mailing list <intel-gfx-bugs> | ||||||||||||||||
| Severity: | minor | ||||||||||||||||||
| Priority: | medium | CC: | huax.lu, przanoni, sangshuduo | ||||||||||||||||
| Version: | unspecified | ||||||||||||||||||
| Hardware: | Other | ||||||||||||||||||
| OS: | All | ||||||||||||||||||
| Whiteboard: | |||||||||||||||||||
| i915 platform: | i915 features: | ||||||||||||||||||
| Attachments: |
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Created attachment 72324 [details]
message from intel_reg_dumper
Created attachment 72326 [details]
lspci message
is this regression? I'm decreasing severity as I don't see real bad impact to users. The first one is likely garbage left over from the BIOS, I think we need to tune down the debug message there. The later ones sound like real bugs ... Created attachment 72614 [details] [review] tune down debug message (In reply to comment #5) > Created attachment 72614 [details] [review] [review] > tune down debug message This patch worked, this error dmesg doesn't exist while this patch applied on latest -next-queued commit. Created attachment 72775 [details] [review] reset unclaimed register writes errors on takeover New patch for you to test, with a different approach. (In reply to comment #7) > Created attachment 72775 [details] [review] [review] > reset unclaimed register writes errors on takeover > > New patch for you to test, with a different approach. Apply this patch on top commit of branch -next-queued, this error information will appeared in dmesg. commit: 9c7a47e7ca7c694ff4f19b568ad4ce1dba64dbd0 [ 1.786664] [drm:intel_dsm_platform_mux_info] *ERROR* MUX INFO call failed Created attachment 72840 [details] dmesg (In reply to comment #8) > (In reply to comment #7) > > Created attachment 72775 [details] [review] [review] [review] > > reset unclaimed register writes errors on takeover > > > > New patch for you to test, with a different approach. > > Apply this patch on top commit of branch -next-queued, > > this error information will appeared in dmesg. > > commit: 9c7a47e7ca7c694ff4f19b568ad4ce1dba64dbd0 > > [ 1.786664] [drm:intel_dsm_platform_mux_info] *ERROR* MUX INFO call failed Modify: --------------- [ 5.032931] [drm:i915_write32] *ERROR* Unknown unclaimed register before writing to c5100 Hm, then there's something strange going on, I need to analyze this further ... *** Bug 59549 has been marked as a duplicate of this bug. *** Daniel's patch certainly fixes the problem for me... Are you really sure you tested a Kernel with Daniel's patch? Anyway, I've proposed changing from GEN7_ERROR_INT to FPGA_DBG, so there's a new patch on the mailing list that will fix this bug after we convert to FPGA_DBG. (In reply to comment #12) > Daniel's patch certainly fixes the problem for me... Are you really sure you > tested a Kernel with Daniel's patch? > I applied the patch on top -next-queued commit, then retest it on my HSW machine, the error dmesg also exist. Machine Information: ---------------------------- HSW desktop: BIOS Version: HSWLPTU1.86C.0093.R00.1209242321 Stepping: C0 > Anyway, I've proposed changing from GEN7_ERROR_INT to FPGA_DBG, so there's a > new patch on the mailing list that will fix this bug after we convert to > FPGA_DBG. Please give a link of the patch, I can't find a patch related to this bug on mailing list. Thanks... (In reply to comment #13) > (In reply to comment #12) > > Daniel's patch certainly fixes the problem for me... Are you really sure you > > tested a Kernel with Daniel's patch? > > > I applied the patch on top -next-queued commit, then retest it on my HSW > machine, the error dmesg also exist. Can you please attach dmesg? > > Machine Information: > ---------------------------- > HSW desktop: > BIOS Version: HSWLPTU1.86C.0093.R00.1209242321 > Stepping: C0 > > > Anyway, I've proposed changing from GEN7_ERROR_INT to FPGA_DBG, so there's a > > new patch on the mailing list that will fix this bug after we convert to > > FPGA_DBG. > > Please give a link of the patch, I can't find a patch related to this bug on > mailing list. Thanks... http://lists.freedesktop.org/archives/intel-gfx/2013-January/024116.html http://lists.freedesktop.org/archives/intel-gfx/2013-January/024117.html http://lists.freedesktop.org/archives/intel-gfx/2013-January/024211.html If this also doesn't help you, please attach dmesg. > http://lists.freedesktop.org/archives/intel-gfx/2013-January/024116.html
> http://lists.freedesktop.org/archives/intel-gfx/2013-January/024117.html
> http://lists.freedesktop.org/archives/intel-gfx/2013-January/024211.html
>
> If this also doesn't help you, please attach dmesg.
I tested with -next-queued top commit: 209d52110a32c2069b5d870504e73fdb0e30fc51,
and applied the patches. The error also exists in dmesg. I attached the dmesg in attachment, any more message you want, I'm glad to try and doing for this.
Created attachment 74031 [details]
error in dmesg after booting up
this seems to have been fixed in drm-intel-nightly which has those three commits (In reply to comment #17) > this seems to have been fixed in drm-intel-nightly which has those three > commits Our HSW C0 has been updated to C2, and I tried latest drm-intel-nightly and drm-intel-next-queued, this bug has gone. Verified here. In which kernel version is the fix included? I run 3.8.0-27 on a Ubuntu 13.04 istallation and this message is still displayed. 3.8.0-27 is Ubuntu's kernel, almost 9 months behind the curve. Support queries should be addressed to them first. Closing old verified. |
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Created attachment 72323 [details] dmesg from Booting up Environment: --------------------- kernel commit: c0c36b941b6f0be6ac74f340040cbb29d6a0b06c drm/i915: Return the real error code from intel_set_mode() Description: --------------------- After booting up, there's an error in dmesg like below: [drm:i915_write32] *ERROR* Unknown unclaimed register before writing to c5100