igt@gem_ctx_persistence@legacy-engines-hang - incomplete - Per-test timeout exceeded. Killing the current test with SIGQUIT.

https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_500/fi-tgl-dsi/igt@gem_ctx_persistence@legacy-engines-hang.html

<6> [1063.515919] [IGT] gem_ctx_persistence: executing
<4> [1183.747967] [IGT] Per-test timeout exceeded. Killing the current test with SIGQUIT.
<6> [1183.748138] sysrq: Show State
<6> [1183.748229]   task                        PC stack   pid father
<6> [1183.748572] systemd         S12208     1      0 0x00000000
<4> [1183.748649] Call Trace:
<4> [1183.748744]  ? __schedule+0x2ff/0x8d0
<4> [1183.748801]  ? schedule+0x37/0xe0
<4> [1183.748824]  ? schedule_hrtimeout_range_clock+0x10e/0x120
<4> [1183.748849]  ? ep_poll+0x59f/0x600
<4> [1183.748881]  ? _raw_write_unlock_irq+0x1f/0x40
<4> [1183.748913]  ? lockdep_hardirqs_on+0xe0/0x1c0
<4> [1183.748943]  ? ep_poll+0x5c8/0x600
<4> [1183.748992]  ? finish_wait+0x80/0x80
<4> [1183.749036]  ? do_epoll_wait+0xd2/0xf0
<4> [1183.749070]  ? __x64_sys_epoll_wait+0x15/0x20
<4> [1183.749088]  ? do_syscall_64+0x4f/0x240
<4> [1183.749114]  ? entry_SYSCALL_64_after_hwframe+0x49/0xb3