Public bug reported:
Description
Platform: CML-U (CML-S no need TR AIC)
TR AIC: rev41
Linux kernel: 5.3.0-rc1
No TBT device connected.
Executed freeze sleep successfully, after freeze exit more than 30s,
cat /sys/bus/thunderbolt/devices/domain0/boot_acl and lspci to trigger
TBT root port in D0.
Then "TX ring 0 is already enabled" Call Trace generated, then failed to
send driver ready to ICM.
Thunderbolt driver was down.
[ 263.903342] LTP: starting TBT_XS_FUNC_RTD3_freeze_test (tbt_rtd3.sh -c 0 -s
rtd3_host_freeze)
[ 264.010613] PM: suspend entry (s2idle)
[ 286.868539] PM: suspend exit
[ 313.202856] thunderbolt 0000:03:00.0: stopping RX ring 0
[ 313.204135] thunderbolt 0000:03:00.0: disabling interrupt at register 0x38200
bit 12 (0x1001 -> 0x1)
[ 313.205565] thunderbolt 0000:03:00.0: stopping TX ring 0
[ 313.206842] thunderbolt 0000:03:00.0: disabling interrupt at register 0x38200
bit 0 (0x1 -> 0x0)
[ 313.208018] thunderbolt 0000:03:00.0: control channel stopped
[ 321.432230] pcieport 0000:02:01.0: pciehp: Slot(1): Link Up
[ 321.433559] pcieport 0000:02:04.0: pciehp: Slot(4-1): Link Up
[ 322.550092] xhci_hcd 0000:39:00.0: Refused to change power state, currently
in D3
[ 322.671084] thunderbolt 0000:03:00.0: control channel starting...
[ 322.672343] thunderbolt 0000:03:00.0: starting TX ring 0
[ 322.673601] thunderbolt 0000:03:00.0: enabling interrupt at register 0x38200
bit 0 (0xffffffff -> 0xffffffff)
[ 322.674912] -----------[ cut here ]-----------
[ 322.676173] thunderbolt 0000:03:00.0: interrupt for TX ring 0 is already
enabled
[ 322.706970] Call Trace:
[ 322.708542] tb_ring_start+0x110/0x1a0 [thunderbolt]
[ 322.710166] tb_ctl_start+0x36/0xc0 [thunderbolt]
[ 322.711762] ? pci_restore_standard_config+0x50/0x50
[ 322.713333] ? pci_restore_standard_config+0x50/0x50
[ 322.748162] thunderbolt 0000:03:00.0: interrupt for RX ring 0 is already
enabled
[ 322.788047] ? pci_restore_standard_config+0x50/0x50
[ 322.789901] ? pci_restore_standard_config+0x50/0x50
[ 404.405929] thunderbolt 0000:03:00.0: failed to send driver ready to ICM
[ 405.596681] LTP: starting TBT_XS_FUNC_RTD3_S3_test (tbt_rtd3.sh -c 0 -s
rtd3_host_s3)
Target Release: 20.04
Target Kernel: TBD
** Affects: intel
Importance: Undecided
Status: New
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: intel-kernel-20.04
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1843790
Title:
[Thunderbolt][CML-U/S] After freeze sleep finished more than 30s,
lspci trigger tbt in D0, "TX ring 0 is already enabled" Call Trace
generated and then failed to send driver ready to ICM
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