[Bug 65761] HD 7970M Hybrid - hangs and errors and rmmod causes crash

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=65761

--- Comment #34 from Hohahiu <rakothedin at gmail.com> ---
(In reply to Christoph Haag from comment #33)
> Created attachment 125111 [details]
> possibly call chain that calls radeon stuff
> 
> @ Hohahiu
> 
> Do you mean those?
> [ 8077.648324] [drm:si_dpm_set_power_state] *ERROR* si_set_sw_state failed
> 
> No, I don't see those at all.
> 
> 
> 
> By the way, I'm using linux 3.14-rc1 now with this patch:
> https://bugzilla.kernel.org/attachment.cgi?id=124621&action=diff
> 
> But I have an awful lot of this block in dmesg, I guess from every time
> starting X:
> 
> [Feb 6 13:39] [drm] Disabling audio 0 support
> [  +0,000004] [drm] Disabling audio 1 support
> [  +0,000002] [drm] Disabling audio 2 support
> [  +0,000001] [drm] Disabling audio 3 support
> [  +0,000001] [drm] Disabling audio 4 support
> [  +0,000002] [drm] Disabling audio 5 support
> [  +1,257992] [drm] probing gen 2 caps for device 8086:151 = 261ad01/e
> [  +0,000005] [drm] PCIE gen 3 link speeds already enabled
> [  +0,004127] [drm] PCIE GART of 1024M enabled (table at 0x0000000000478000).
> [  +0,000102] radeon 0000:01:00.0: WB enabled
> [  +0,000004] radeon 0000:01:00.0: fence driver on ring 0 use gpu addr
> 0x0000000080000c00 and cpu addr 0xffff8807fd9f8c00
> [  +0,000003] radeon 0000:01:00.0: fence driver on ring 1 use gpu addr
> 0x0000000080000c04 and cpu addr 0xffff8807fd9f8c04
> [  +0,000002] radeon 0000:01:00.0: fence driver on ring 2 use gpu addr
> 0x0000000080000c08 and cpu addr 0xffff8807fd9f8c08
> [  +0,000002] radeon 0000:01:00.0: fence driver on ring 3 use gpu addr
> 0x0000000080000c0c and cpu addr 0xffff8807fd9f8c0c
> [  +0,000002] radeon 0000:01:00.0: fence driver on ring 4 use gpu addr
> 0x0000000080000c10 and cpu addr 0xffff8807fd9f8c10
> [  +0,000390] radeon 0000:01:00.0: fence driver on ring 5 use gpu addr
> 0x0000000000075a18 and cpu addr 0xffffc90008b35a18
> [  +0,144839] [drm] ring test on 0 succeeded in 2 usecs
> [  +0,000004] [drm] ring test on 1 succeeded in 1 usecs
> [  +0,000003] [drm] ring test on 2 succeeded in 1 usecs
> [  +0,000059] [drm] ring test on 3 succeeded in 2 usecs
> [  +0,000007] [drm] ring test on 4 succeeded in 1 usecs
> [  +0,187260] [drm] ring test on 5 succeeded in 2 usecs
> [  +0,000004] [drm] UVD initialized successfully.
> [  +0,001745] [drm] Enabling audio 0 support
> [  +0,000001] [drm] Enabling audio 1 support
> [  +0,000000] [drm] Enabling audio 2 support
> [  +0,000001] [drm] Enabling audio 3 support
> [  +0,000001] [drm] Enabling audio 4 support
> [  +0,000001] [drm] Enabling audio 5 support
> [  +0,000035] [drm] ib test on ring 0 succeeded in 0 usecs
> [  +0,000029] [drm] ib test on ring 1 succeeded in 0 usecs
> [  +0,000029] [drm] ib test on ring 2 succeeded in 0 usecs
> [  +0,000019] [drm] ib test on ring 3 succeeded in 0 usecs
> [  +0,000018] [drm] ib test on ring 4 succeeded in 0 usecs
> [  +0,158619] [drm] ib test on ring 5 succeeded
> 
> But I wouldn't really thing that it's a problem. Just a bit bloat in the log.
> 
> 
> 
> Anyway, I have stared a bit longer at the callgraph and what I have attached
> seems suspicious I think. There's a whole lot of calls throughout the radeon
> driver but the kcachegrind gui is quite limited and the graph is very
> convoluted at this point so it's not clear to me whether this is during
> normal operation. I'm still kind of searching for a tool that could create a
> call graph and annotate it over time...
> Where this is coming from is in dix/dixutils.c line 719 ("(*(cbr->proc))
> (pcbl, cbr->data, call_data);") at least but to my eyes it looks like it
> could do anything and has a whole lot of callers that valgrind caught:
> 
> WriteToClient <cycle 19> (Xorg: io.c, ...)
> FlushAllOutput (Xorg: io.c, ...)
> XaceHook <cycle 19> (Xorg: xace.c, ...)
> XaceHookPropertyAccess (Xorg: xace.c, ...)
> XaceHookDispatch (Xorg: xace.c, ...)
> CloseDownConnection (Xorg: connection.c, ...)
> DeleteClientFromAnySelections (Xorg: selection.c, ...)
> CloseDownClient (Xorg: dispatch.c, ...)
> ProcSetSelectionOwner (Xorg: selection.c, ...)
> SendConnSetup (Xorg: dispatch.c, ...)
> NextAvailableClient (Xorg: dispatch.c, ...)
> 
> But maybe I'm just going in a totally wrong direction...

I meant these repeated messages not the error.

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