On 07/02/2018 11:18 PM, Chris Wilson wrote:
Quoting Imre Deak (2018-07-02 14:57:56)
Work around the following boot time crash:
[ 10.456056] CPU: 1 PID: 220 Comm: systemd-udevd Tainted: G W 4.17.0-rc7-CI-CI_DRM_4040+ #182
[ 10.465828] Hardware name: Intel Corporation Ice Lake Client Platform/IceLake U DDR4 SODIMM PD RVP, BIOS
+ICLSFWR1.R00.2204.A00.1805172221 05/17/2018
[ 10.479168] RIP: 0010:acpi_ps_complete_this_op+0xa7/0x22a
[ 10.484627] RSP: 0018:ffffc900003a7578 EFLAGS: 00010202
[ 10.489881] RAX: 6b6b6b6b6b6b6b6b RBX: ffff8804abeda9c8 RCX: 0000000000000020
[ 10.497045] RDX: 0000000000000000 RSI: ffff88049e604a68 RDI: 0000000000000000
[ 10.504213] RBP: 0000000000000000 R08: ffff8804abeda9c8 R09: 0000000000000000
[ 10.511376] R10: 0000000000000000 R11: 0000000000000000 R12: 000000000000000e
[ 10.518542] R13: ffff88049e604a68 R14: ffff88049e604a68 R15: ffffffffa00263c2
[ 10.525713] FS: 00007ff6d85f18c0(0000) GS:ffff8804be880000(0000) knlGS:0000000000000000
[ 10.533839] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 10.539616] CR2: 00007ff6d73cff40 CR3: 000000049f794001 CR4: 0000000000760ee0
[ 10.546783] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 10.553949] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 10.561112] PKRU: 55555554
[ 10.563849] Call Trace:
[ 10.566323] acpi_ps_complete_op+0x49/0x3f1
[ 10.570537] acpi_ps_parse_loop+0x94c/0x9bb
[ 10.574754] ? acpi_ds_delete_walk_state+0x113/0x131
...
Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Imre Deak <imre.deak@xxxxxxxxx>
T-b Tomi?
-Chris
Tested with pre-release ICL hardware, and the patch helps with this
particular boot-time crash.
Tested-by: Tomi Sarvela <tomi.p.sarvela@xxxxxxxxx>
Tomi
--
Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo
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