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Description of problem: Hello, I've recently upgraded to rawhide and can trigger the following bug pretty easily (with 2.6.31-40.fc12.i686.PAE): ------------[ cut here ]------------ WARNING: at drivers/gpu/drm/radeon/radeon_fence.c:160 radeon_fence_signaled+0x64/0xa2 [radeon]() (Tainted: G W ) Hardware name: 236621U Querying an unemited fence : d9de2f50 ! Modules linked in: nfs lockd fscache nfs_acl auth_rpcgss fuse sunrpc autofs4 ip6t_REJECT nf_conntrack_ipv6 ip6table_filter ip6_tables ipv6 d m_multipath uinput ppdev hostap_pci snd_intel8x0 hostap snd_intel8x0m thinkpad_acpi e100 snd_ac97_codec hwmon parport_pc ac97_bus lib80211 r fkill mii irda snd_pcm parport snd_timer iTCO_wdt crc_ccitt snd iTCO_vendor_support i2c_i801 soundcore snd_page_alloc btrfs zlib_deflate lib crc32c yenta_socket rsrc_nonstatic video output radeon ttm drm_kms_helper drm i2c_algo_bit i2c_core [last unloaded: scsi_wait_scan] Pid: 1469, comm: X Tainted: G W 2.6.31-40.fc12.i686.PAE #1 Call Trace: [<c044c309>] warn_slowpath_common+0x7b/0xa3 [<f7f47efc>] ? radeon_fence_signaled+0x64/0xa2 [radeon] [<c044c39a>] warn_slowpath_fmt+0x34/0x48 [<f7f47efc>] radeon_fence_signaled+0x64/0xa2 [radeon] [<f7f54ca8>] radeon_ib_free+0x42/0x8b [radeon] [<f7f5531b>] radeon_cs_parser_fini+0xaf/0xc6 [radeon] [<f7f557ed>] radeon_cs_ioctl+0xa8/0x173 [radeon] [<f7e8213a>] drm_ioctl+0x21a/0x2c4 [drm] [<f7f55745>] ? radeon_cs_ioctl+0x0/0x173 [radeon] [<c05c761d>] ? inode_has_perm+0x69/0x84 [<c040f6e1>] ? sched_clock+0x9/0xd [<c050f2f3>] vfs_ioctl+0x68/0x93 [<c050f89a>] do_vfs_ioctl+0x4b2/0x503 [<c05c7934>] ? selinux_file_ioctl+0x51/0x66 [<c050f940>] sys_ioctl+0x55/0x86 [<c04124d3>] ? syscall_trace_enter+0xea/0x10f [<c0409ad0>] syscall_call+0x7/0xb ---[ end trace a7919e7f17c0a729 ]--- ------------[ cut here ]------------ WARNING: at lib/list_debug.c:48 list_del+0x30/0x7f() (Tainted: G W ) Hardware name: 236621U list_del corruption. prev->next should be f6731ac0, but was 458bf45d Modules linked in: nfs lockd fscache nfs_acl auth_rpcgss fuse sunrpc autofs4 ip6t_REJECT nf_conntrack_ipv6 ip6table_filter ip6_tables ipv6 d m_multipath uinput ppdev hostap_pci snd_intel8x0 hostap snd_intel8x0m thinkpad_acpi e100 snd_ac97_codec hwmon parport_pc ac97_bus lib80211 r fkill mii irda snd_pcm parport snd_timer iTCO_wdt crc_ccitt snd iTCO_vendor_support i2c_i801 soundcore snd_page_alloc btrfs zlib_deflate lib crc32c yenta_socket rsrc_nonstatic video output radeon ttm drm_kms_helper drm i2c_algo_bit i2c_core [last unloaded: scsi_wait_scan] Pid: 1469, comm: X Tainted: G W 2.6.31-40.fc12.i686.PAE #1 Call Trace: [<c044c309>] warn_slowpath_common+0x7b/0xa3 [<c060f790>] ? list_del+0x30/0x7f [<c044c39a>] warn_slowpath_fmt+0x34/0x48 [<c060f790>] list_del+0x30/0x7f [<f7f54cb3>] radeon_ib_free+0x4d/0x8b [radeon] [<f7f5531b>] radeon_cs_parser_fini+0xaf/0xc6 [radeon] [<f7f557ed>] radeon_cs_ioctl+0xa8/0x173 [radeon] [<f7e8213a>] drm_ioctl+0x21a/0x2c4 [drm] [<f7f55745>] ? radeon_cs_ioctl+0x0/0x173 [radeon] [<c05c761d>] ? inode_has_perm+0x69/0x84 [<c040f6e1>] ? sched_clock+0x9/0xd [<c050f2f3>] vfs_ioctl+0x68/0x93 [<c050f89a>] do_vfs_ioctl+0x4b2/0x503 [<c05c7934>] ? selinux_file_ioctl+0x51/0x66 [<c050f940>] sys_ioctl+0x55/0x86 [<c04124d3>] ? syscall_trace_enter+0xea/0x10f [<c0409ad0>] syscall_call+0x7/0xb ---[ end trace a7919e7f17c0a72a ]--- BUG: unable to handle kernel paging request at 00100104 IP: [<c060f795>] list_del+0x35/0x7f *pdpt = 000000003216c001 *pde = 0000000037e7f067 Oops: 0000 [#1] SMP last sysfs file: /sys/devices/pci0000:00/0000:00:1e.0/0000:02:02.0/net/eth1/statistics/collisions Modules linked in: nfs lockd fscache nfs_acl auth_rpcgss fuse sunrpc autofs4 ip6t_REJECT nf_conntrack_ipv6 ip6table_filter ip6_tables ipv6 d m_multipath uinput ppdev hostap_pci snd_intel8x0 hostap snd_intel8x0m thinkpad_acpi e100 snd_ac97_codec hwmon parport_pc ac97_bus lib80211 r fkill mii irda snd_pcm parport snd_timer iTCO_wdt crc_ccitt snd iTCO_vendor_support i2c_i801 soundcore snd_page_alloc btrfs zlib_deflate lib crc32c yenta_socket rsrc_nonstatic video output radeon ttm drm_kms_helper drm i2c_algo_bit i2c_core [last unloaded: scsi_wait_scan] Pid: 1469, comm: X Tainted: G W (2.6.31-40.fc12.i686.PAE #1) 236621U EIP: 0060:[<c060f795>] EFLAGS: 00013296 CPU: 0 EIP is at list_del+0x35/0x7f EAX: 00100100 EBX: f6731ac0 ECX: 00000000 EDX: 00000000 ESI: f6731030 EDI: f67318c4 EBP: f217dda8 ESP: f217dda0 DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 Process X (pid: 1469, ti=f217c000 task=f21a95c0 task.ti=f217c000) Stack: d62da1d6 f6731ac0 f217ddc0 f7f54cb3 d62da1d6 f217ddf0 00000002 000000c0 <0> f217ddd8 f7f5531b d62da1d6 f6731030 fffffff4 f217de30 f217de40 f7f557ed <0> f7f7ba50 f7f722f8 f2013000 f6731b64 f6731030 f2013000 00000002 d9de23c0 Call Trace: [<f7f54cb3>] ? radeon_ib_free+0x4d/0x8b [radeon] [<f7f5531b>] ? radeon_cs_parser_fini+0xaf/0xc6 [radeon] [<f7f557ed>] ? radeon_cs_ioctl+0xa8/0x173 [radeon] [<f7e8213a>] ? drm_ioctl+0x21a/0x2c4 [drm] [<f7f55745>] ? radeon_cs_ioctl+0x0/0x173 [radeon] [<c05c761d>] ? inode_has_perm+0x69/0x84 [<c040f6e1>] ? sched_clock+0x9/0xd [<c050f2f3>] ? vfs_ioctl+0x68/0x93 [<c050f89a>] ? do_vfs_ioctl+0x4b2/0x503 [<c05c7934>] ? selinux_file_ioctl+0x51/0x66 [<c050f940>] ? sys_ioctl+0x55/0x86 [<c04124d3>] ? syscall_trace_enter+0xea/0x10f [<c0409ad0>] ? syscall_call+0x7/0xb Code: a1 14 00 00 00 89 45 f8 31 c0 8b 43 04 8b 00 39 d8 74 16 50 53 68 d9 92 97 c0 6a 30 68 13 93 97 c0 e8 d6 cb e3 ff 83 c4 14 8b 03 <8b> 40 04 39 d8 74 16 50 53 68 24 93 97 c0 6a 33 68 13 93 97 c0 EIP: [<c060f795>] list_del+0x35/0x7f SS:ESP 0068:f217dda0 CR2: 0000000000100104 ---[ end trace a7919e7f17c0a72b ]--- Version-Release number of selected component (if applicable): kernel-2.6.31-40.fc12.i686.PAE and prior: kernel-2.6.31-33.fc12.i686.PAE (I think that's the version number I'm sending this from a different computer) How reproducible: It's easily reproducible if I browse the web. When it happens, the machine is still up (I can ssh to it) but X is completely dead (corrupted screen) and I cannot switch back to a VT.
Please try with 2.6.31.1-48, which has a radeon update.
Much better... I still get a lot of: [TTM] Failed moving buffer. Proposed placement 0x00060004 [TTM] Out of aperture space or DRM memory quota. [drm:radeon_object_create] *ERROR* Failed to allocate TTM object (12582912, 0x00060004, 0) [drm:radeon_gem_object_create] *ERROR* Failed to allocate GEM object (12582912, 4, 4096) [TTM] Failed moving buffer. Proposed placement 0x00060004 [TTM] Out of aperture space or DRM memory quota. [drm:radeon_object_create] *ERROR* Failed to allocate TTM object (12582912, 0x00060004, 0) [drm:radeon_gem_object_create] *ERROR* Failed to allocate GEM object (12582912, 4, 4096) But X doesn't crash nor the kernel... I'm closing this one...