Few tests - incomplete - Kernel panic - not syncing: EXT4-fs (device nvme0n1p2): panic forced after error|Kernel panic - not syncing: EXT4-fs panic from previous error

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8053/shard-tglb6/igt@gem_exec_balancer@individual.html https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8053/filelist.html -->| shard-tglb6/pstore14-1517155249_Panic_1.log |

Logs from pstore is here

<7>[  157.786517] i915 0000:00:02.0: [drm:intel_combo_phy_init [i915]] Combo PHY B already enabled, won't reprogram it.
<7>[  157.786576] i915 0000:00:02.0: [drm:gen9_dc_off_power_well_disable [i915]] Enabling DC3CO
<7>[  157.786607] i915 0000:00:02.0: [drm:gen9_set_dc_state [i915]] Setting DC state from 00 to 40000000
<7>[  157.786777] i915 0000:00:02.0: [drm:gen9_disable_dc_states [i915]] Disabling DC3CO
<7>[  157.786811] i915 0000:00:02.0: [drm:gen9_set_dc_state [i915]] Setting DC state from 40000000 to 00
<7>[  157.787079] i915 0000:00:02.0: [drm:skl_enable_dc6 [i915]] Enabling DC6
<7>[  157.787109] i915 0000:00:02.0: [drm:gen9_set_dc_state [i915]] Setting DC state from 00 to 02
<3>[  157.884557] blk_update_request: I/O error, dev nvme0n1, sector 470817320 op 0x0:(READ) flags 0x80700 phys_seg 28 prio class 0
<2>[  157.885250] EXT4-fs error (device nvme0n1p2): __ext4_get_inode_loc:4369: inode #14688850: block 58720837: comm gem_exec_balanc: unable to read itable block
<3>[  157.886115] Aborting journal on device nvme0n1p2-8.
<0>[  157.886368] EXT4-fs (nvme0n1p2): failed to convert unwritten extents to written extents -- potential data loss!  (inode 4980906, error -30)
<0>[  157.886860] Kernel panic - not syncing: EXT4-fs (device nvme0n1p2): panic forced after error
<0>[  157.886947] Kernel Offset: disabled
<4>[  157.886956] CPU: 5 PID: 1149 Comm: gem_exec_balanc Tainted: G     U            5.6.0-rc4-CI-CI_DRM_8053+ #1
<4>[  157.886958] Hardware name: Intel Corporation Tiger Lake Client Platform/TigerLake U DDR4 SODIMM RVP, BIOS TGLSFWI1.R00.2457.A16.1912270059 12/27/2019
<4>[  157.886960] Call Trace:
<4>[  157.886968]  dump_stack+0x71/0x9b
<4>[  157.886975]  panic+0x132/0x2d3
<4>[  157.886988]  ext4_handle_error+0xa1/0xb0
<4>[  157.886991]  __ext4_error_inode+0xde/0x2a0
<4>[  157.887000]  ? out_of_line_wait_on_bit+0x8c/0xb0
<4>[  157.887010]  __ext4_get_inode_loc+0x30b/0x500
<4>[  157.887020]  ? __ext4_iget+0xff/0xcd0
<4>[  157.887021]  __ext4_iget+0xff/0xcd0
<4>[  157.887027]  ? d_alloc_parallel+0x38f/0xa00
<4>[  157.887033]  ext4_lookup+0xde/0x1f0
<4>[  157.887042]  lookup_open+0x2cb/0x6c0
<4>[  157.887056]  path_openat+0x822/0xb20
<4>[  157.887063]  ? ___slab_alloc.constprop.95+0x8bc/0x970
<4>[  157.887069]  do_filp_open+0x96/0x110
<4>[  157.887078]  ? __alloc_fd+0xe0/0x1f0
<4>[  157.887089]  ? do_sys_openat2+0x1fc/0x290
<4>[  157.887091]  do_sys_openat2+0x1fc/0x290
<4>[  157.887097]  do_sys_open+0x52/0x80
<4>[  157.887103]  do_syscall_64+0x4f/0x220
<4>[  157.887107]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
<4>[  157.887110] RIP: 0033:0x7f42455dfcdd
<4>[  157.887113] Code: 48 89 54 24 e0 41 83 e2 40 75 32 89 f0 25 00 00 41 00 3d 00 00 41 00 74 24 89 f2 b8 01 01 00 00 48 89 fe bf 9c ff ff ff 0f 05 <48> 3d 00 f0 ff ff 77 33 f3 c3 66 0f 1f 84 00 00 00 00 00 48 8d 44
<4>[  157.887115] RSP: 002b:00007ffcfec079a8 EFLAGS: 00000287 ORIG_RAX: 0000000000000101
<4>[  157.887118] RAX: ffffffffffffffda RBX: 00007ffcfec07aa0 RCX: 00007f42455dfcdd
<4>[  157.887120] RDX: 0000000000080000 RSI: 00007f42457ce8f0 RDI: 00000000ffffff9c
<4>[  157.887122] RBP: 00007ffcfec07a10 R08: 0000000000000000 R09: 00007ffcfec07a8f
<4>[  157.887123] R10: 0000000000000000 R11: 0000000000000287 R12: 00007f42457e8790
<4>[  157.887125] R13: 0000000000000000 R14: 00007f42457eb060 R15: 0000000000000000