| Summary: |
[ILK]igt/gem_concurrent_blit/prw-overwrite-source-interruptible caused system hung or Call trace sometimes |
| Product: |
DRI
|
Reporter: |
Guo Jinxian <jinxianx.guo> |
| Component: |
DRM/Intel | Assignee: |
Intel GFX Bugs mailing list <intel-gfx-bugs> |
| Status: |
CLOSED
DUPLICATE
|
QA Contact: |
Intel GFX Bugs mailing list <intel-gfx-bugs> |
| Severity: |
major
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|
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| Priority: |
medium
|
CC: |
intel-gfx-bugs
|
| Version: |
unspecified | |
|
| Hardware: |
Other | |
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| OS: |
All | |
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| Whiteboard: |
|
|
i915 platform:
|
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i915 features:
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|---|
| Attachments: |
| Description |
Flags |
|
dmesg
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none
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Created attachment 96761 [details] dmesg System Environment: -------------------------- Platform: ILK kernel: (drm-intel-nightly)1e64f527329663d8dd82f30ff5f5d01cb2407dae Bug detailed description: --------------------------- igt/gem_concurrent_blit/prw-overwrite-source-interruptible caused system hung or Call trace sometimes, sometimes the case is able to pass. I tried twice on each branch(-fixes and -next-queued), didn't find this issue. the failed rate is about 3 out of 10. output while CallTrace occurs on -nightly kernel: [root@x-t410b tests]# ./gem_concurrent_blit --run-subtest prw-overwrite-source-interruptible IGT-Version: 1.6-g4fdca96 (i686) (Linux: 3.14.0_drm-intel-nightly_346aad_20140401+ i686) using 2x512 buffers, each 1MiB Subtest prw-overwrite-source-interruptible: SUCCESS Message from syslogd@x-t410b at Apr 2 10:29:11 ... kernel:[ 4822.103640] CPU: 0 PID: 10078 Comm: gem_concurrent_ Not tainted 3.14.0_drm-intel-nightly_346aad_20140401+ #1223 Message from syslogd@x-t410b at Apr 2 10:29:11 ... kernel:[ 4822.103716] Hardware name: LENOVO 25222AU/25222AU, BIOS 6IET52WW (1.12 ) 02/16/2010 Message from syslogd@x-t410b at Apr 2 10:29:11 ... kernel:[ 4822.103773] task: e97334f0 ti: c2998000 task.ti: c2998000 Message from syslogd@x-t410b at Apr 2 10:29:11 ... kernel:[ 4822.105884] Stack: Message from syslogd@x-t410b at Apr 2 10:29:11 ... kernel:[ 4822.105890] Call Trace: Message from syslogd@x-t410b at Apr 2 10:29:11 ... kernel:[ 4822.106012] Code: 10 c7 43 28 00 01 10 00 c7 43 2c 00 02 20 00 c7 43 24 00 00 00 00 80 46 08 01 8b 43 10 85 c0 74 19 8b 50 14 85 d2 74 12 8b 52 08 <8b> 52 1c 80 7a 10 05 76 06 f0 83 28 01 74 09 89 d8 5b 5e e9 c2 Message from syslogd@x-t410b at Apr 2 10:29:11 ... kernel:[ 4822.106024] EIP: [<f845037f>] i915_gem_free_request+0x61/0x80 [i915] SS:ESP 0068:c2999da8 CallTrace -------------------- [ 4822.102785] BUG: unable to handle kernel NULL pointer dereference at 0000001c [ 4822.102857] IP: [<f845037f>] i915_gem_free_request+0x61/0x80 [i915] [ 4822.102927] *pde = 00000000 [ 4822.102957] Oops: 0000 [#1] SMP [ 4822.102999] Modules linked in: ip6table_filter ip6_tables ebtable_nat ebtables nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT iptable_mangle xt_tcpudp iptable_filter ip_tables x_tables bridge stp llc ipv6 dm_mod iTCO_wdt iTCO_vendor_support snd_hda_codec_hdmi pcspkr joydev i2c_i801 snd_hda_codec_conexant snd_hda_codec_generic lpc_ich mfd_core firewire_ohci snd_hda_intel firewire_core snd_hda_codec crc_itu_t snd_hwdep snd_pcm snd_timer thinkpad_acpi tpm_tis tpm snd battery soundcore ac rfkill ppdev parport_pc parport wmi acpi_cpufreq i915 video button drm_kms_helper drm [ 4822.103640] CPU: 0 PID: 10078 Comm: gem_concurrent_ Not tainted 3.14.0_drm-intel-nightly_346aad_20140401+ #1223 [ 4822.103716] Hardware name: LENOVO 25222AU/25222AU, BIOS 6IET52WW (1.12 ) 02/16/2010 [ 4822.103773] task: e97334f0 ti: c2998000 task.ti: c2998000 [ 4822.103816] EIP: 0060:[<f845037f>] EFLAGS: 00210282 CPU: 0 [ 4822.103870] EIP is at i915_gem_free_request+0x61/0x80 [i915] [ 4822.103916] EAX: e9460e00 EBX: c78b2e00 ECX: f5fbce00 EDX: 00000000 [ 4822.103966] ESI: 00000000 EDI: f5fbce08 EBP: f5fbce00 ESP: c2999da8 [ 4822.105883] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 [ 4822.105884] CR0: 80050033 CR2: 0000001c CR3: 35993000 CR4: 000007d0 [ 4822.105884] Stack: [ 4822.105887] f5fbcd60 001e4e3a f84515b0 d1dd1d00 00000000 f5fbcd60 f5fbce74 f84519fc [ 4822.105888] 00000000 f5a58300 d1dd1d00 f844cf7a 00000001 00000001 00000000 d1dd1d00 [ 4822.105890] f5fbc000 00000000 00000000 e98d12e0 0047a000 c2999e98 e9460a00 c78b24c0 [ 4822.105890] Call Trace: [ 4822.105907] [<f84515b0>] ? i915_gem_retire_requests_ring+0x52/0x78 [i915] [ 4822.105919] [<f84519fc>] ? i915_gem_object_wait_rendering+0x37/0x4b [i915] [ 4822.105931] [<f844cf7a>] ? i915_gem_do_execbuffer.isra.15+0xa6a/0xedc [i915] [ 4822.105943] [<f844d947>] ? i915_gem_execbuffer2+0x127/0x1bc [i915] [ 4822.105954] [<f844d820>] ? i915_gem_execbuffer+0x434/0x434 [i915] [ 4822.105961] [<f813d830>] ? drm_ioctl+0x230/0x324 [drm] [ 4822.105973] [<f844d820>] ? i915_gem_execbuffer+0x434/0x434 [i915] [ 4822.105977] [<c10afde8>] ? free_pages_and_swap_cache+0x5e/0x6c [ 4822.105980] [<c10a3c79>] ? tlb_flush_mmu+0x43/0x57 [ 4822.105982] [<c10a3c96>] ? tlb_finish_mmu+0x9/0x27 [ 4822.105983] [<c10a7e4a>] ? unmap_region+0x99/0xa1 [ 4822.105989] [<f813d600>] ? drm_core_reclaim_buffers+0x52/0x52 [drm] [ 4822.105991] [<c10c7a53>] ? do_vfs_ioctl+0x3f8/0x442 [ 4822.105994] [<c1036a01>] ? do_sigaction+0xec/0x15f [ 4822.105995] [<c1036c56>] ? SyS_rt_sigaction+0x6f/0x7b [ 4822.105997] [<c10c7adf>] ? SyS_ioctl+0x42/0x6b [ 4822.106000] [<c169f5da>] ? sysenter_do_call+0x12/0x22 [ 4822.106012] Code: 10 c7 43 28 00 01 10 00 c7 43 2c 00 02 20 00 c7 43 24 00 00 00 00 80 46 08 01 8b 43 10 85 c0 74 19 8b 50 14 85 d2 74 12 8b 52 08 <8b> 52 1c 80 7a 10 05 76 06 f0 83 28 01 74 09 89 d8 5b 5e e9 c2 [ 4822.106024] EIP: [<f845037f>] i915_gem_free_request+0x61/0x80 [i915] SS:ESP 0068:c2999da8 [ 4822.106024] CR2: 000000000000001c [ 4822.106054] ---[ end trace f1f562f7a5d2390d ]--- Reproduce steps: ---------------------------- 1. ./gem_concurrent_blit --run-subtest prw-overwrite-source-interruptible