Bug 173041

Summary:	Nouveau random hangs in g84_gr_tlb_flush (NVIDIA GT240)
Product:	Drivers	Reporter:	Mikalai (nikolay.romanovich)
Component:	Video(DRI - non Intel)	Assignee:	drivers_video-dri
Status:	NEW ---
Severity:	high	CC:	madicine6, nikolay.romanovich
Priority:	P1
Hardware:	x86-64
OS:	Linux
Kernel Version:	4.7.4	Subsystem:
Regression:	No	Bisected commit-id:
Attachments:	Kernel log before hang

Description Mikalai 2016-09-28 11:35:10 UTC

Created attachment 239941 [details]
Kernel log before hang

System random hangs if nouveau driver in use


lspci:
02:00.0 VGA compatible controller: NVIDIA Corporation GT215 [GeForce GT 240] (rev a2) (prog-if 00 [VGA controller])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 28
	NUMA node: 0
	Region 0: Memory at df000000 (32-bit, non-prefetchable) [size=16M]
	Region 1: Memory at c0000000 (64-bit, prefetchable) [size=256M]
	Region 3: Memory at dc000000 (64-bit, prefetchable) [size=32M]
	Region 5: I/O ports at ec00 [size=128]
	[virtual] Expansion ROM at 000c0000 [disabled] [size=128K]
	Capabilities: <access denied>
	Kernel driver in use: nvidia
	Kernel modules: nouveau, nvidia

Comment 1 madicine6 2016-10-05 10:12:36 UTC

before 4.8 I had lockups, they were not random though. if I would not run any graphic intense things, like games, it worked alright. after upgrade to 4.8 luckups are constant and totally random.
GPU: GeForce GTS 450