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1002f40a3b
It is possible that when we abort the channel, we have job clean up worker running, which could race with abort and sometimes result in below panic [ 245.483566] Unable to handle kernel paging request at virtual address 800000000 ... [ 245.548991] PC is at gk20a_channel_abort_clean_up+0xb8/0x140 [ 245.554683] LR is at gk20a_channel_abort_clean_up+0xac/0x140 ... [ 247.301860] [<ffffffc000479390>] gk20a_channel_abort_clean_up+0xb8/0x140 [ 247.312853] [<ffffffc0004794d4>] gk20a_channel_abort+0xbc/0xc8 [ 247.322970] [<ffffffc0004794f8>] gk20a_disable_channel+0x18/0x30 [ 247.333267] [<ffffffc000479628>] gk20a_free_channel+0x118/0x584 [ 247.343473] [<ffffffc000479aa0>] gk20a_channel_close+0xc/0x14 [ 247.353479] [<ffffffc000479b80>] gk20a_channel_release+0xd8/0x104 Fix this by cancelling the job clean up worker before aborting the channel Bug 1777281 Change-Id: Ic24c7c03b27cfb5cd164a52efdb1e2813a41a10a Signed-off-by: Deepak Nibade <dnibade@nvidia.com> Reviewed-on: http://git-master/r/1174416 Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com> Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>