search for: __switch_to_asm

....639287] Call Trace: [23664.639310]? init_auxch+0xf6/0x180 [nouveau] [23664.639331]? nvbios_exec+0x45/0xd0 [nouveau] [23664.639359]? nvkm_dp_train_init+0x12e/0x170 [nouveau] [23664.639386]? nvkm_dp_acquire+0x1a6/0xcb0 [nouveau] [23664.639390]? ? update_blocked_averages+0x77b/0x950 [23664.639394]? ? __switch_to_asm+0x41/0x70 [23664.639395]? ? __switch_to_asm+0x41/0x70 [23664.639397]? ? syscall_return_via_sysret+0x14/0x83 [23664.639399]? ? __switch_to_asm+0x35/0x70 [23664.639400]? ? __switch_to_asm+0x41/0x70 [23664.639402]? ? __switch_to_asm+0x35/0x70 [23664.639404]? ? __switch_to_asm+0x41/0x70 [23664.639405]?...

...64.639310] init_auxch+0xf6/0x180 [nouveau] > [23664.639331] nvbios_exec+0x45/0xd0 [nouveau] > [23664.639359] nvkm_dp_train_init+0x12e/0x170 [nouveau] > [23664.639386] nvkm_dp_acquire+0x1a6/0xcb0 [nouveau] > [23664.639390] ? update_blocked_averages+0x77b/0x950 > [23664.639394] ? __switch_to_asm+0x41/0x70 > [23664.639395] ? __switch_to_asm+0x41/0x70 > [23664.639397] ? syscall_return_via_sysret+0x14/0x83 > [23664.639399] ? __switch_to_asm+0x35/0x70 > [23664.639400] ? __switch_to_asm+0x41/0x70 > [23664.639402] ? __switch_to_asm+0x35/0x70 > [23664.639404] ? __switch_to...

...e_pages+0x175/0x390 [ 2504.250290] ? __filemap_fdatawrite_range+0x7c/0xb0 [ 2504.250879] __filemap_fdatawrite_range+0x7c/0xb0 [ 2504.251427] ext4_release_file+0x67/0xa0 [ 2504.251897] __fput+0xb1/0x220 [ 2504.252260] task_work_run+0x79/0xa0 [ 2504.252676] do_exit+0x2ca/0xc10 [ 2504.253063] ? __switch_to_asm+0x40/0x70 [ 2504.253530] ? __switch_to_asm+0x34/0x70 [ 2504.253995] ? __switch_to_asm+0x40/0x70 [ 2504.254446] do_group_exit+0x35/0xa0 [ 2504.254865] get_signal+0x14e/0x7a0 [ 2504.255281] ? __switch_to_asm+0x34/0x70 [ 2504.255749] ? __switch_to_asm+0x40/0x70 [ 2504.256224] do_signal+0x2b/0x5...

...e_pages+0x175/0x390 [ 2504.250290] ? __filemap_fdatawrite_range+0x7c/0xb0 [ 2504.250879] __filemap_fdatawrite_range+0x7c/0xb0 [ 2504.251427] ext4_release_file+0x67/0xa0 [ 2504.251897] __fput+0xb1/0x220 [ 2504.252260] task_work_run+0x79/0xa0 [ 2504.252676] do_exit+0x2ca/0xc10 [ 2504.253063] ? __switch_to_asm+0x40/0x70 [ 2504.253530] ? __switch_to_asm+0x34/0x70 [ 2504.253995] ? __switch_to_asm+0x40/0x70 [ 2504.254446] do_group_exit+0x35/0xa0 [ 2504.254865] get_signal+0x14e/0x7a0 [ 2504.255281] ? __switch_to_asm+0x34/0x70 [ 2504.255749] ? __switch_to_asm+0x40/0x70 [ 2504.256224] do_signal+0x2b/0x5...

...ch+0xf6/0x180 [nouveau] >> [23664.639331] nvbios_exec+0x45/0xd0 [nouveau] >> [23664.639359] nvkm_dp_train_init+0x12e/0x170 [nouveau] >> [23664.639386] nvkm_dp_acquire+0x1a6/0xcb0 [nouveau] >> [23664.639390] ? update_blocked_averages+0x77b/0x950 >> [23664.639394] ? __switch_to_asm+0x41/0x70 >> [23664.639395] ? __switch_to_asm+0x41/0x70 >> [23664.639397] ? syscall_return_via_sysret+0x14/0x83 >> [23664.639399] ? __switch_to_asm+0x35/0x70 >> [23664.639400] ? __switch_to_asm+0x41/0x70 >> [23664.639402] ? __switch_to_asm+0x35/0x70 >> [2366...

...73.762205] Workqueue: events qxl_client_monitors_config_work_func [qxl] [354073.762206] Call Trace: [354073.762211] __schedule+0x2ba/0x650 [354073.762214] schedule+0x2d/0x90 [354073.762215] schedule_preempt_disabled+0xe/0x10 [354073.762216] __ww_mutex_lock.isra.11+0x3e0/0x750 [354073.762217] ? __switch_to_asm+0x34/0x70 [354073.762218] ? __switch_to_asm+0x40/0x70 [354073.762219] ? __switch_to_asm+0x40/0x70 [354073.762220] __ww_mutex_lock_slowpath+0x16/0x20 [354073.762221] ww_mutex_lock+0x34/0x50 [354073.762235] drm_modeset_lock+0x35/0xb0 [drm] [354073.762243] drm_modeset_lock_all_ctx+0x5d/0xe0 [drm...

...73.762205] Workqueue: events qxl_client_monitors_config_work_func [qxl] [354073.762206] Call Trace: [354073.762211] __schedule+0x2ba/0x650 [354073.762214] schedule+0x2d/0x90 [354073.762215] schedule_preempt_disabled+0xe/0x10 [354073.762216] __ww_mutex_lock.isra.11+0x3e0/0x750 [354073.762217] ? __switch_to_asm+0x34/0x70 [354073.762218] ? __switch_to_asm+0x40/0x70 [354073.762219] ? __switch_to_asm+0x40/0x70 [354073.762220] __ww_mutex_lock_slowpath+0x16/0x20 [354073.762221] ww_mutex_lock+0x34/0x50 [354073.762235] drm_modeset_lock+0x35/0xb0 [drm] [354073.762243] drm_modeset_lock_all_ctx+0x5d/0xe0 [drm...

...290] ? __filemap_fdatawrite_range+0x7c/0xb0 > [ 2504.250879] __filemap_fdatawrite_range+0x7c/0xb0 > [ 2504.251427] ext4_release_file+0x67/0xa0 > [ 2504.251897] __fput+0xb1/0x220 > [ 2504.252260] task_work_run+0x79/0xa0 > [ 2504.252676] do_exit+0x2ca/0xc10 > [ 2504.253063] ? __switch_to_asm+0x40/0x70 > [ 2504.253530] ? __switch_to_asm+0x34/0x70 > [ 2504.253995] ? __switch_to_asm+0x40/0x70 > [ 2504.254446] do_group_exit+0x35/0xa0 > [ 2504.254865] get_signal+0x14e/0x7a0 > [ 2504.255281] ? __switch_to_asm+0x34/0x70 > [ 2504.255749] ? __switch_to_asm+0x40/0x70 >...

On 5/14/19 7:54 AM, Pankaj Gupta wrote: > + if (!list_empty(&vpmem->req_list)) { > + req_buf = list_first_entry(&vpmem->req_list, > + struct virtio_pmem_request, list); > + req_buf->wq_buf_avail = true; > + wake_up(&req_buf->wq_buf); > + list_del(&req_buf->list); Yes, this change is the right one, thank you! > + /* > + * If

On 5/14/19 7:54 AM, Pankaj Gupta wrote: > + if (!list_empty(&vpmem->req_list)) { > + req_buf = list_first_entry(&vpmem->req_list, > + struct virtio_pmem_request, list); > + req_buf->wq_buf_avail = true; > + wake_up(&req_buf->wq_buf); > + list_del(&req_buf->list); Yes, this change is the right one, thank you! > + /* > + * If

...534104]  nouveau_display_init+0x26/0xb0 [nouveau] [ 1192.534132]  nouveau_display_resume+0x1e/0x70 [nouveau] [ 1192.534161]  nouveau_do_suspend+0x160/0x190 [nouveau] [ 1192.534190]  nouveau_pmops_runtime_suspend+0x3d/0xa0 [nouveau] [ 1192.534193]  pci_pm_runtime_suspend+0x56/0x140 [ 1192.534195]  ? __switch_to_asm+0x34/0x70 [ 1192.534196]  ? pci_has_legacy_pm_support+0x60/0x60 [ 1192.534198]  __rpm_callback+0x76/0x120 [ 1192.534200]  ? pci_has_legacy_pm_support+0x60/0x60 [ 1192.534201]  rpm_callback+0x1a/0x70 [ 1192.534202]  ? pci_has_legacy_pm_support+0x60/0x60 [ 1192.534203]  rpm_suspend+0xfa/0x490 [ 1192....

This fixes the extra issues I discovered upstream after the introduction of my rework of the atomic VCPI helpers that occur during suspend/resume. This time around, we use a slightly different but much less complicated approach for fixing said issues. Cc: Daniel Vetter <daniel at ffwll.ch> Lyude Paul (4): drm/dp_mst: Fix unbalanced malloc ref in drm_dp_mst_deallocate_vcpi()

This fixes the extra issues I discovered upstream after the introduction of my rework of the atomic VCPI helpers that occur during suspend/resume. This time around, we use a slightly different but much less complicated approach for fixing said issues. Cc: Daniel Vetter <daniel at ffwll.ch> Lyude Paul (4): drm/dp_mst: Fix unbalanced malloc ref in drm_dp_mst_deallocate_vcpi()

...drivers/gpu/drm/nouveau/nouveau_dmem.c:482 (discriminator 9)) nouveau nouveau_do_suspend (linux/drivers/gpu/drm/nouveau/nouveau_drm.c:748) nouveau nouveau_pmops_runtime_suspend (linux/drivers/gpu/drm/nouveau/nouveau_drm.c:915) nouveau pci_pm_runtime_suspend (linux/drivers/pci/pci-driver.c:1262) ? __switch_to_asm (linux/arch/x86/entry/entry_64.S:312) ? pci_has_legacy_pm_support (linux/drivers/pci/pci-driver.c:1238) __rpm_callback (linux/drivers/base/power/runtime.c:357) ? pci_has_legacy_pm_support (linux/drivers/pci/pci-driver.c:1238) rpm_callback (linux/drivers/base/power/runtime.c:490) ? pci_has_legacy_pm...

...xl_client_monitors_config_work_func [qxl] > [354073.762206] Call Trace: > [354073.762211] __schedule+0x2ba/0x650 > [354073.762214] schedule+0x2d/0x90 > [354073.762215] schedule_preempt_disabled+0xe/0x10 > [354073.762216] __ww_mutex_lock.isra.11+0x3e0/0x750 > [354073.762217] ? __switch_to_asm+0x34/0x70 > [354073.762218] ? __switch_to_asm+0x40/0x70 > [354073.762219] ? __switch_to_asm+0x40/0x70 > [354073.762220] __ww_mutex_lock_slowpath+0x16/0x20 > [354073.762221] ww_mutex_lock+0x34/0x50 > [354073.762235] drm_modeset_lock+0x35/0xb0 [drm] > [354073.762243] drm_modes...

...xl_client_monitors_config_work_func [qxl] > [354073.762206] Call Trace: > [354073.762211] __schedule+0x2ba/0x650 > [354073.762214] schedule+0x2d/0x90 > [354073.762215] schedule_preempt_disabled+0xe/0x10 > [354073.762216] __ww_mutex_lock.isra.11+0x3e0/0x750 > [354073.762217] ? __switch_to_asm+0x34/0x70 > [354073.762218] ? __switch_to_asm+0x40/0x70 > [354073.762219] ? __switch_to_asm+0x40/0x70 > [354073.762220] __ww_mutex_lock_slowpath+0x16/0x20 > [354073.762221] ww_mutex_lock+0x34/0x50 > [354073.762235] drm_modeset_lock+0x35/0xb0 [drm] > [354073.762243] drm_modes...

...lk_mq_make_request+0x28a/0x530 [762303.508382] __alloc_pages_nodemask+0x258/0x2a0 [762303.508386] alloc_pages_vma+0x7c/0x1d0 [762303.508390] __read_swap_cache_async+0x147/0x200 [762303.508392] read_swap_cache_async+0x28/0x60 [762303.508394] swap_cluster_readahead+0x217/0x290 [762303.508397] ? __switch_to_asm+0x40/0x70 [762303.508399] ? __switch_to+0x115/0x450 [762303.508401] ? swap_range_free+0xa3/0xc0 [762303.508403] ? swapin_readahead+0x60/0x5e0 [762303.508405] swapin_readahead+0x60/0x5e0 [762303.508406] ? free_swap_slot+0xc0/0xe0 [762303.508408] ? radix_tree_lookup_slot+0x1e/0x50 [762303.50841...

...> [qxl] > > [354073.762206] Call Trace: > > [354073.762211] __schedule+0x2ba/0x650 > > [354073.762214] schedule+0x2d/0x90 > > [354073.762215] schedule_preempt_disabled+0xe/0x10 > > [354073.762216] __ww_mutex_lock.isra.11+0x3e0/0x750 > > [354073.762217] ? __switch_to_asm+0x34/0x70 > > [354073.762218] ? __switch_to_asm+0x40/0x70 > > [354073.762219] ? __switch_to_asm+0x40/0x70 > > [354073.762220] __ww_mutex_lock_slowpath+0x16/0x20 > > [354073.762221] ww_mutex_lock+0x34/0x50 > > [354073.762235] drm_modeset_lock+0x35/0xb0 [drm] > &...

....351678] ttm_mem_evict_first+0x262/0x340 [ttm] [410260.351678] ttm_bo_force_list_clean+0xa4/0x160 [ttm] [410260.351678] nouveau_do_suspend+0x80/0x170 [nouveau] [410260.351678] nouveau_pmops_runtime_suspend+0x40/0xa0 [nouveau] [410260.351678] pci_pm_runtime_suspend+0x58/0x140 [410260.351678] ? __switch_to_asm+0x40/0x70 [410260.351678] ? pci_pm_thaw_noirq+0xa0/0xa0 [410260.351678] __rpm_callback+0xc1/0x140 [410260.351678] ? pci_pm_thaw_noirq+0xa0/0xa0 [410260.351678] rpm_callback+0x1f/0x70 [410260.351678] rpm_suspend+0x10a/0x5a0 [410260.351678] ? __switch_to_asm+0x34/0x70 [410260.351678] pm_runtim...

...schedule_timeout+0x258/0x360 ? nv50_wndw_atomic_destroy_state+0x1d/0x20 [nouveau] dma_fence_default_wait+0x1fc/0x260 ? dma_fence_release+0xa0/0xa0 dma_fence_wait_timeout+0x3e/0xf0 drm_atomic_helper_wait_for_fences+0x3f/0xc0 [drm_kms_helper] nv50_disp_atomic_commit_tail+0x78/0x860 [nouveau] ? __switch_to_asm+0x40/0x70 ? __switch_to_asm+0x34/0x70 nv50_disp_atomic_commit_work+0x12/0x20 [nouveau] process_one_work+0x20f/0x3c0 worker_thread+0x34/0x400 kthread+0x120/0x140 ? pwq_unbound_release_workfn+0xd0/0xd0 ? kthread_bind+0x40/0x40 ret_from_fork+0x35/0x40 Full log: https://gist.github.com/kenorb/...