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Subject: [Bug 16273] suspend/resume failure with radeon kms driver
Date: Fri, 16 Jul 2010 22:03:07 GMT	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

Jose Marino <> changed:

           What    |Removed                     |Added
  Attachment #27025|0                           |1
        is obsolete|                            |

--- Comment #5 from Jose Marino <>  2010-07-16 22:01:43 ---
Created an attachment (id=27132)
 --> (
dmesg after suspend/resume test (debug test)

I was able to get more info about this bug. 
I added an early return in the radeon resume routine with this patch applied on
top of f469461df6ff822f71b8737bda86eea20f16ff93

--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -799,6 +799,10 @@ int radeon_resume_kms(struct drm_device *dev)

+       printk(KERN_INFO "radeon: **TEST** resume early\n");
+       release_console_sem();
+       return -1;
        /* turn on display hw */
        list_for_each_entry(connector, &dev->mode_config.connector_list, head)
                drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);

I booted this kernel and did a suspend/resume cycle, saved the dmesg and
rebooted. After the resume the display was black but I was able to save the
dmesg and start the reboot. The laptop locked up on reboot.

There are some new interesting error messages in the dmesg:
[drm:radeon_ring_write] *ERROR* radeon: writting more dword to ring than
expected !
[drm:r100_ring_test] *ERROR* radeon: ring test failed
[drm:r100_cp_init] *ERROR* radeon: cp isn't working (-22).
radeon 0000:01:00.0: failled initializing CP (-22).

I attach the full dmesg just in case.

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  parent reply	other threads:[~2010-07-16 22:03 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <>
2010-06-23  0:06 ` bugzilla-daemon
2010-06-23 17:19 ` bugzilla-daemon
2010-06-24  0:01 ` bugzilla-daemon
2010-07-05 18:35 ` bugzilla-daemon
2010-07-16 22:03 ` bugzilla-daemon [this message]
2010-09-13 22:29 ` bugzilla-daemon
2010-11-21  3:14 ` bugzilla-daemon
2012-08-09 13:59 ` bugzilla-daemon

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