[Bug 45018] [bisected] rendering regression since added support for virtual address space on cayman v11

[bugzilla-daemon@freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=45018

--- Comment #63 from Alexandre Demers <alexandre.f.demers@gmail.com> 2012-07-10 00:21:56 PDT ---
Now running latest drm-next just in case. Always the same error, but with a
little something new: with regular kernel, once the GPU crashed, it stays this
way. With the drm-next branch, it loops. Attaching some files in a moment.

I just started Gnome Shell, then opened a terminal window and launched piglit
r600 tests.

I'm pretty sure (dmesg):
[   66.238981] radeon 0000:01:00.0: bo ffff88020f46bc00 va 0x0183B000 conflict
with (bo ffff88021b65d000 0x0183B000 0x0183C000)
[   66.271373] radeon 0000:01:00.0: bo ffff880222cc9400 va 0x01814000 conflict
with (bo ffff880221a50800 0x01814000 0x01815000)
[   66.334540] radeon 0000:01:00.0: bo ffff880222b70000 va 0x01809000 conflict
with (bo ffff8802230a9000 0x01809000 0x0180A000)

corresponds to (.xsession-error):

radeon: Failed to allocate a buffer:
radeon:    size      : 256 bytes
radeon:    alignment : 256 bytes
radeon:    domains   : 2
EE r600_texture.c:869 r600_texture_get_transfer - failed to create temporary
texture to hold untiled copy
Mesa: User error: GL_OUT_OF_MEMORY in glTexSubImage
radeon: Failed to allocate a buffer:
radeon:    size      : 256 bytes
radeon:    alignment : 256 bytes
radeon:    domains   : 2
EE r600_texture.c:869 r600_texture_get_transfer - failed to create temporary
texture to hold untiled copy
radeon: Failed to allocate a buffer:
radeon:    size      : 256 bytes
radeon:    alignment : 256 bytes
radeon:    domains   : 2
EE r600_texture.c:869 r600_texture_get_transfer - failed to create temporary
texture to hold untiled copy

Then (dmesg):

[  196.710933] radeon 0000:01:00.0: GPU lockup CP stall for more than 10000msec
[  196.710946] radeon 0000:01:00.0: GPU lockup (waiting for 0x0000000000000675
last fence id 0x000000000000066c)
[  196.711129] radeon 0000:01:00.0: couldn't schedule ib
[  196.711239] radeon 0000:01:00.0: couldn't schedule ib
[  196.711805] radeon 0000:01:00.0: couldn't schedule ib
[  196.715732] radeon 0000:01:00.0: couldn't schedule ib
[  196.715975] radeon 0000:01:00.0: couldn't schedule ib
[  196.716362] radeon 0000:01:00.0: couldn't schedule ib
[  196.716627] radeon 0000:01:00.0: couldn't schedule ib
[  196.718012] radeon 0000:01:00.0: couldn't schedule ib
[  196.718262] radeon 0000:01:00.0: couldn't schedule ib
[  196.718480] radeon 0000:01:00.0: couldn't schedule ib
[  196.718985] radeon 0000:01:00.0: couldn't schedule ib
[  196.920396] radeon 0000:01:00.0: couldn't schedule ib
[  196.920703] radeon 0000:01:00.0: couldn't schedule ib
[  196.921084] radeon 0000:01:00.0: couldn't schedule ib
[  196.921318] radeon 0000:01:00.0: couldn't schedule ib
[  196.921558] radeon 0000:01:00.0: couldn't schedule ib
[  196.921898] radeon 0000:01:00.0: couldn't schedule ib
[  196.952350] radeon 0000:01:00.0: couldn't schedule ib
[  196.952386] [drm:radeon_cs_ib_chunk] *ERROR* Failed to schedule IB !
[  196.952439] BUG: unable to handle kernel NULL pointer dereference at
0000000000000008
[  196.952494] IP: [<ffffffffa050080d>] radeon_fence_ref+0xd/0x40 [radeon]
[  196.952531] PGD 221dc4067 PUD 2228ff067 PMD 0 
[  196.952556] Oops: 0000 [#1] PREEMPT SMP 
[  196.952579] CPU 1 
[  196.952617] Modules linked in: fuse snd_usb_audio snd_usbmidi_lib
snd_rawmidi powernow_k8 snd_seq_device radeon ttm joydev snd_hda_codec_hdmi
ppdev evdev pwc snd_hda_codec_realtek r8712u(C) r8169 mperf parport_pc parport
sp5100_tco usb_storage uas drm_kms_helper drm videobuf2_vmalloc
videobuf2_memops hid_logitech_dj pcspkr processor snd_hda_intel snd_hda_codec
i2c_algo_bit mii hid_generic videobuf2_core videodev media wmi kvm_amd
snd_hwdep snd_pcm snd_page_alloc snd_timer psmouse i2c_piix4 usbhid
firewire_ohci hid serio_raw i2c_core firewire_core k10temp kvm microcode
crc_itu_t snd edac_core button soundcore edac_mce_amd ext4 crc16 jbd2 mbcache
pata_acpi sr_mod sd_mod cdrom pata_atiixp ata_generic ohci_hcd ahci libahci
libata ehci_hcd usbcore scsi_mod usb_common
[  196.952957] 
[  196.952969] Pid: 715, comm: Xorg Tainted: G         C  
3.5.0-rc4-VANILLA-46957-g74da01d #1 Gigabyte Technology Co., Ltd.
GA-MA78GM-S2H/GA-MA78GM-S2H
[  196.953044] RIP: 0010:[<ffffffffa050080d>]  [<ffffffffa050080d>]
radeon_fence_ref+0xd/0x40 [radeon]
[  196.953092] RSP: 0018:ffff8802230e9b48  EFLAGS: 00010286
...


and it loops.

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