Hi,
I get the attached traces with 3.5-rc1 after suspend/resume, sometimes. It doesn't always happen. Usually happens at least once in 10 suspend/resume cycles. The first trace seems non fatal, but the system locks up in the second one and needs to be rebooted.
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[ 1435.785548] Restarting tasks ... done. [ 1435.854748] usb 2-1.2: new full-speed USB device number 5 using ehci_hcd [ 1435.856616] [drm:radeon_cs_ioctl] *ERROR* Failed to parse relocation -35! [ 1435.857653] radeon 0000:01:00.0: GPU reset succeed [ 1435.878746] [drm] PCIE GART of 512M enabled (table at 0x0000000000040000). [ 1435.878837] radeon 0000:01:00.0: WB enabled [ 1435.878839] radeon 0000:01:00.0: fence driver on ring 0 use gpu addr 0x0000000040000c00 and cpu addr 0xffff88025e8c2c00 [ 1435.895010] [drm] ring test on 0 succeeded in 2 usecs [ 1435.895067] [drm] ib test on ring 0 succeeded in 0 usecs
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[ 1376.089570] Restarting tasks ... done. [ 1376.092574] radeon 0000:01:00.0: GPU lockup CP stall for more than 17300msec [ 1376.092615] radeon 0000:01:00.0: GPU lockup (waiting for 0x0000000000019986 last fence id 0x0000000000019981) [ 1376.093654] radeon 0000:01:00.0: GPU softreset [ 1376.093657] radeon 0000:01:00.0: GRBM_STATUS=0xA0003828 [ 1376.093659] radeon 0000:01:00.0: GRBM_STATUS_SE0=0x00000007 [ 1376.093662] radeon 0000:01:00.0: GRBM_STATUS_SE1=0x00000007 [ 1376.093664] radeon 0000:01:00.0: SRBM_STATUS=0x200000C0 [ 1376.093675] radeon 0000:01:00.0: GRBM_SOFT_RESET=0x00007F6B [ 1376.093778] radeon 0000:01:00.0: GRBM_STATUS=0x00003828 [ 1376.093781] radeon 0000:01:00.0: GRBM_STATUS_SE0=0x00000007 [ 1376.093783] radeon 0000:01:00.0: GRBM_STATUS_SE1=0x00000007 [ 1376.093785] radeon 0000:01:00.0: SRBM_STATUS=0x200000C0 [ 1376.094781] radeon 0000:01:00.0: GPU reset succeed [ 1376.116071] [drm] PCIE GART of 512M enabled (table at 0x0000000000040000). [ 1376.116165] radeon 0000:01:00.0: WB enabled [ 1376.116167] radeon 0000:01:00.0: fence driver on ring 0 use gpu addr 0x0000000040000c00 and cpu addr 0xffff88025e42ec00 [ 1376.132330] [drm] ring test on 0 succeeded in 2 usecs [ 1376.132392] [drm] ib test on ring 0 succeeded in 0 usecs [ 1376.741682] tg3 0000:02:00.0: irq 49 for MSI/MSI-X [ 1376.741703] tg3 0000:02:00.0: irq 50 for MSI/MSI-X [ 1376.741718] tg3 0000:02:00.0: irq 51 for MSI/MSI-X [ 1376.741733] tg3 0000:02:00.0: irq 52 for MSI/MSI-X [ 1376.741748] tg3 0000:02:00.0: irq 53 for MSI/MSI-X [ 1377.772057] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready [ 1377.926958] b43-phy0: Loading firmware version 666.2 (2011-02-23 01:15:07) [ 1377.966914] b43-phy0 debug: Chip initialized [ 1377.967124] b43-phy0 debug: 64-bit DMA initialized [ 1377.967199] b43-phy0 debug: QoS enabled [ 1377.968068] b43-phy0 debug: Wireless interface started [ 1377.968140] b43-phy0 debug: Adding Interface type 2 [ 1377.969962] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 1381.080635] wlan0: authenticate with 00:12:bf:12:7a:49 [ 1381.092133] wlan0: direct probe to 00:12:bf:12:7a:49 (try 1/3) [ 1381.295524] wlan0: direct probe to 00:12:bf:12:7a:49 (try 2/3) [ 1381.499372] wlan0: direct probe to 00:12:bf:12:7a:49 (try 3/3) [ 1381.703233] wlan0: authentication with 00:12:bf:12:7a:49 timed out [ 1386.914207] radeon 0000:01:00.0: GPU lockup CP stall for more than 10000msec [ 1386.914218] radeon 0000:01:00.0: GPU lockup (waiting for 0x000000000001998b last fence id 0x0000000000019988) [ 1386.914225] radeon 0000:01:00.0: ffff8802605ec000 pin failed [ 1386.986828] radeon 0000:01:00.0: couldn't schedule ib [ 1386.986837] [drm:radeon_cs_ib_chunk] *ERROR* Failed to schedule IB ! [ 1386.986856] ------------[ cut here ]------------ [ 1386.986899] WARNING: at /home/lund/src/linux/drivers/gpu/drm/radeon/radeon_fence.c:180 radeon_fence_signaled+0x8d/0x90 [radeon]() [ 1386.986902] Hardware name: MacBookPro8,2 [ 1386.986905] Querying an unemitted fence : ffff8802670045a0 ! [ 1386.986972] Modules linked in: autofs4 snd_hda_codec_hdmi rfcomm bnep snd_hda_codec_cirrus arc4 snd_hda_intel b43 snd_hda_codec ghash_clmulni_intel aesni_intel radeon snd_hwdep snd_pcm snd_seq_midi cryptd binfmt_misc snd_rawmidi mac80211 aes_x86_64 ttm microcode drm_kms_helper drm cfg80211 uvcvideo videobuf2_core ssb applesmc videodev videobuf2_vmalloc input_polldev i2c_algo_bit btusb apple_gmux videobuf2_memops hid_generic video bluetooth bcma snd_seq_midi_event bcm5974 snd_seq snd_timer snd_seq_device snd soundcore snd_page_alloc apple_bl hid_apple firewire_ohci firewire_core usbhid tg3 hid crc_itu_t [ 1386.986980] Pid: 1338, comm: Xorg Not tainted 3.5.0-rc1 #21 [ 1386.986983] Call Trace: [ 1386.986998] [<ffffffff8103a3cf>] warn_slowpath_common+0x7f/0xc0 [ 1386.987006] [<ffffffff8103a4c6>] warn_slowpath_fmt+0x46/0x50 [ 1386.987034] [<ffffffffa0360d3d>] radeon_fence_signaled+0x8d/0x90 [radeon] [ 1386.987060] [<ffffffffa036190e>] radeon_sync_obj_signaled+0xe/0x10 [radeon] [ 1386.987073] [<ffffffffa02618f0>] ttm_bo_wait+0x130/0x1b0 [ttm] [ 1386.987085] [<ffffffffa0262acb>] ? ttm_bo_reserve+0x7b/0xa0 [ttm] [ 1386.987113] [<ffffffffa0363f69>] radeon_bo_wait+0x89/0xc0 [radeon] [ 1386.987147] [<ffffffffa0375ab5>] radeon_gem_wait_idle_ioctl+0x45/0xd0 [radeon] [ 1386.987167] [<ffffffffa01e64cc>] drm_ioctl+0x47c/0x540 [drm] [ 1386.987175] [<ffffffff8117afa4>] ? mntput+0x24/0x40 [ 1386.987206] [<ffffffffa0375a70>] ? radeon_gem_busy_ioctl+0x100/0x100 [radeon] [ 1386.987214] [<ffffffff8119afb2>] ? fsnotify+0x1d2/0x2b0 [ 1386.987222] [<ffffffff8116f178>] do_vfs_ioctl+0x98/0x550 [ 1386.987229] [<ffffffff8127eb97>] ? apparmor_capable+0x27/0xa0 [ 1386.987236] [<ffffffff8116f6c1>] sys_ioctl+0x91/0xa0 [ 1386.987245] [<ffffffff8150317e>] ? do_device_not_available+0xe/0x10 [ 1386.987252] [<ffffffff8150a112>] system_call_fastpath+0x16/0x1b [ 1386.987257] ---[ end trace ff51fe717d675026 ]--- [ 1387.041174] radeon 0000:01:00.0: couldn't schedule ib [ 1387.041180] [drm:radeon_cs_ib_chunk] *ERROR* Failed to schedule IB ! [ 1387.041213] ------------[ cut here ]------------ [ 1387.041247] WARNING: at /home/lund/src/linux/drivers/gpu/drm/radeon/radeon_fence.c:180 radeon_fence_signaled+0x8d/0x90 [radeon]() [ 1387.041250] Hardware name: MacBookPro8,2 [ 1387.041253] Querying an unemitted fence : ffff8802670045a0 ! [ 1387.041315] Modules linked in: autofs4 snd_hda_codec_hdmi rfcomm bnep snd_hda_codec_cirrus arc4 snd_hda_intel b43 snd_hda_codec ghash_clmulni_intel aesni_intel radeon snd_hwdep snd_pcm snd_seq_midi cryptd binfmt_misc snd_rawmidi mac80211 aes_x86_64 ttm microcode drm_kms_helper drm cfg80211 uvcvideo videobuf2_core ssb applesmc videodev videobuf2_vmalloc input_polldev i2c_algo_bit btusb apple_gmux videobuf2_memops hid_generic video bluetooth bcma snd_seq_midi_event bcm5974 snd_seq snd_timer snd_seq_device snd soundcore snd_page_alloc apple_bl hid_apple firewire_ohci firewire_core usbhid tg3 hid crc_itu_t [ 1387.041322] Pid: 1338, comm: Xorg Tainted: G W 3.5.0-rc1 #21 [ 1387.041325] Call Trace: [ 1387.041337] [<ffffffff8103a3cf>] warn_slowpath_common+0x7f/0xc0 [ 1387.041345] [<ffffffff8103a4c6>] warn_slowpath_fmt+0x46/0x50 [ 1387.041372] [<ffffffffa0360d3d>] radeon_fence_signaled+0x8d/0x90 [radeon] [ 1387.041399] [<ffffffffa036190e>] radeon_sync_obj_signaled+0xe/0x10 [radeon] [ 1387.041411] [<ffffffffa02618f0>] ttm_bo_wait+0x130/0x1b0 [ttm] [ 1387.041423] [<ffffffffa0262acb>] ? ttm_bo_reserve+0x7b/0xa0 [ttm] [ 1387.041452] [<ffffffffa0363f69>] radeon_bo_wait+0x89/0xc0 [radeon] [ 1387.041486] [<ffffffffa03759c0>] radeon_gem_busy_ioctl+0x50/0x100 [radeon] [ 1387.041505] [<ffffffffa01e64cc>] drm_ioctl+0x47c/0x540 [drm] [ 1387.041511] [<ffffffff8117afa4>] ? mntput+0x24/0x40 [ 1387.041543] [<ffffffffa0375970>] ? radeon_gem_mmap_ioctl+0x20/0x20 [radeon] [ 1387.041551] [<ffffffff8119afb2>] ? fsnotify+0x1d2/0x2b0 [ 1387.041558] [<ffffffff8116f178>] do_vfs_ioctl+0x98/0x550 [ 1387.041565] [<ffffffff8127eb97>] ? apparmor_capable+0x27/0xa0 [ 1387.041571] [<ffffffff8116f6c1>] sys_ioctl+0x91/0xa0 [ 1387.041579] [<ffffffff8150317e>] ? do_device_not_available+0xe/0x10 [ 1387.041586] [<ffffffff8150a112>] system_call_fastpath+0x16/0x1b [ 1387.041590] ---[ end trace ff51fe717d675027 ]---