search for: bus_remove_driv

They can be easy to reproduce, if you try to unload virtio-net Andrey Vagin (2): virtio-net: determine type of bufs correctly virtio: delete napi objects from netdev before releasing memory drivers/net/virtio_net.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) Cc: Rusty Russell <rusty at rustcorp.com.au> Cc: "Michael S. Tsirkin" <mst at redhat.com>

They can be easy to reproduce, if you try to unload virtio-net Andrey Vagin (2): virtio-net: determine type of bufs correctly virtio: delete napi objects from netdev before releasing memory drivers/net/virtio_net.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) Cc: Rusty Russell <rusty at rustcorp.com.au> Cc: "Michael S. Tsirkin" <mst at redhat.com>

...veau_display_destroy+0x29/0x80 [nouveau] nouveau_drm_unload+0x61/0xd0 [nouveau] drm_dev_unregister+0x3f/0xe0 [drm] drm_put_dev+0x27/0x50 [drm] nouveau_drm_device_remove+0x47/0x70 [nouveau] pci_device_remove+0x3b/0xb0 device_release_driver_internal+0x180/0x250 driver_detach+0x32/0x5f bus_remove_driver+0x74/0xc6 pci_unregister_driver+0x22/0xa0 nouveau_drm_exit+0x15/0x16b [nouveau] I don't beleive them to be related. Perhaps there is another issue here? Jeffery Miller (2): drm/nouveau/fbcon: Fix NULL pointer access in nouveau_fbcon_destroy. drm/nouveau/bl: Allocate backlight connec...

...0x8b/0x110 > [<ffffffffa003477c>] virtnet_remove+0x7c/0x90 [virtio_net] > [<ffffffff813ae323>] virtio_dev_remove+0x23/0x80 > [<ffffffff813f62ef>] __device_release_driver+0x7f/0xf0 > [<ffffffff813f6ca0>] driver_detach+0xc0/0xd0 > [<ffffffff813f5f28>] bus_remove_driver+0x58/0xd0 > [<ffffffff813f72ec>] driver_unregister+0x2c/0x50 > [<ffffffff813ae65e>] unregister_virtio_driver+0xe/0x10 > [<ffffffffa0036942>] virtio_net_driver_exit+0x10/0x6ce [virtio_net] > [<ffffffff810d7cf2>] SyS_delete_module+0x172/0x220 > [<fffff...

...0x8b/0x110 > [<ffffffffa003477c>] virtnet_remove+0x7c/0x90 [virtio_net] > [<ffffffff813ae323>] virtio_dev_remove+0x23/0x80 > [<ffffffff813f62ef>] __device_release_driver+0x7f/0xf0 > [<ffffffff813f6ca0>] driver_detach+0xc0/0xd0 > [<ffffffff813f5f28>] bus_remove_driver+0x58/0xd0 > [<ffffffff813f72ec>] driver_unregister+0x2c/0x50 > [<ffffffff813ae65e>] unregister_virtio_driver+0xe/0x10 > [<ffffffffa0036942>] virtio_net_driver_exit+0x10/0x6ce [virtio_net] > [<ffffffff810d7cf2>] SyS_delete_module+0x172/0x220 > [<fffff...

...x61/0xd0 [nouveau] >> drm_dev_unregister+0x3f/0xe0 [drm] >> drm_put_dev+0x27/0x50 [drm] >> nouveau_drm_device_remove+0x47/0x70 [nouveau] >> pci_device_remove+0x3b/0xb0 >> device_release_driver_internal+0x180/0x250 >> driver_detach+0x32/0x5f >> bus_remove_driver+0x74/0xc6 >> pci_unregister_driver+0x22/0xa0 >> nouveau_drm_exit+0x15/0x16b [nouveau] >> >> I don't beleive them to be related. Perhaps there is another issue here? >> >> Jeffery Miller (2): >> drm/nouveau/fbcon: Fix NULL pointer access in nouve...

...irtio_net] > [<ffffffffa003474d>] virtnet_remove+0x4d/0x90 [virtio_net] > [<ffffffff813ae303>] virtio_dev_remove+0x23/0x80 > [<ffffffff813f62cf>] __device_release_driver+0x7f/0xf0 > [<ffffffff813f6c80>] driver_detach+0xc0/0xd0 > [<ffffffff813f5f08>] bus_remove_driver+0x58/0xd0 > [<ffffffff813f72cc>] driver_unregister+0x2c/0x50 > [<ffffffff813ae63e>] unregister_virtio_driver+0xe/0x10 > [<ffffffffa0036852>] virtio_net_driver_exit+0x10/0x7be [virtio_net] > [<ffffffff810d7cf2>] SyS_delete_module+0x172/0x220 > [<fffff...

...irtio_net] > [<ffffffffa003474d>] virtnet_remove+0x4d/0x90 [virtio_net] > [<ffffffff813ae303>] virtio_dev_remove+0x23/0x80 > [<ffffffff813f62cf>] __device_release_driver+0x7f/0xf0 > [<ffffffff813f6c80>] driver_detach+0xc0/0xd0 > [<ffffffff813f5f08>] bus_remove_driver+0x58/0xd0 > [<ffffffff813f72cc>] driver_unregister+0x2c/0x50 > [<ffffffff813ae63e>] unregister_virtio_driver+0xe/0x10 > [<ffffffffa0036852>] virtio_net_driver_exit+0x10/0x7be [virtio_net] > [<ffffffff810d7cf2>] SyS_delete_module+0x172/0x220 > [<fffff...

...troy+0x29/0x80 [nouveau] nouveau_drm_unload+0x65/0xe0 [nouveau] drm_dev_unregister+0x3c/0xe0 [drm] drm_put_dev+0x2e/0x60 [drm] nouveau_drm_device_remove+0x47/0x70 [nouveau] pci_device_remove+0x36/0xb0 device_release_driver_internal+0x157/0x220 driver_detach+0x39/0x70 bus_remove_driver+0x51/0xd0 pci_unregister_driver+0x2a/0xa0 nouveau_drm_exit+0x15/0xfb0 [nouveau] SyS_delete_module+0x18c/0x290 system_call_fast_compare_end+0xc/0x6f Fixes: b53ac1ee12a3 ("drm/nouveau/bl: Do not register interface if Apple GMUX detected") Cc: stable at vger.kernel.org # v...

...u_drm_unload+0x65/0xe0 [nouveau] > drm_dev_unregister+0x3c/0xe0 [drm] > drm_put_dev+0x2e/0x60 [drm] > nouveau_drm_device_remove+0x47/0x70 [nouveau] > pci_device_remove+0x36/0xb0 > device_release_driver_internal+0x157/0x220 > driver_detach+0x39/0x70 > bus_remove_driver+0x51/0xd0 > pci_unregister_driver+0x2a/0xa0 > nouveau_drm_exit+0x15/0xfb0 [nouveau] > SyS_delete_module+0x18c/0x290 > system_call_fast_compare_end+0xc/0x6f > > Fixes: b53ac1ee12a3 ("drm/nouveau/bl: Do not register interface if Apple GMUX detected") &gt...

...> nouveau_drm_unload+0x61/0xd0 [nouveau] > drm_dev_unregister+0x3f/0xe0 [drm] > drm_put_dev+0x27/0x50 [drm] > nouveau_drm_device_remove+0x47/0x70 [nouveau] > pci_device_remove+0x3b/0xb0 > device_release_driver_internal+0x180/0x250 > driver_detach+0x32/0x5f > bus_remove_driver+0x74/0xc6 > pci_unregister_driver+0x22/0xa0 > nouveau_drm_exit+0x15/0x16b [nouveau] > > I don't beleive them to be related. Perhaps there is another issue here? > > Jeffery Miller (2): > drm/nouveau/fbcon: Fix NULL pointer access in nouveau_fbcon_destroy. > drm...

...156499b>] free_netdev+0x8b/0x110 [<ffffffffa003477c>] virtnet_remove+0x7c/0x90 [virtio_net] [<ffffffff813ae323>] virtio_dev_remove+0x23/0x80 [<ffffffff813f62ef>] __device_release_driver+0x7f/0xf0 [<ffffffff813f6ca0>] driver_detach+0xc0/0xd0 [<ffffffff813f5f28>] bus_remove_driver+0x58/0xd0 [<ffffffff813f72ec>] driver_unregister+0x2c/0x50 [<ffffffff813ae65e>] unregister_virtio_driver+0xe/0x10 [<ffffffffa0036942>] virtio_net_driver_exit+0x10/0x6ce [virtio_net] [<ffffffff810d7cf2>] SyS_delete_module+0x172/0x220 [<ffffffff810a732d>] ? trace_...

...irtio_net] > [<ffffffffa003474d>] virtnet_remove+0x4d/0x90 [virtio_net] > [<ffffffff813ae303>] virtio_dev_remove+0x23/0x80 > [<ffffffff813f62cf>] __device_release_driver+0x7f/0xf0 > [<ffffffff813f6c80>] driver_detach+0xc0/0xd0 > [<ffffffff813f5f08>] bus_remove_driver+0x58/0xd0 > [<ffffffff813f72cc>] driver_unregister+0x2c/0x50 > [<ffffffff813ae63e>] unregister_virtio_driver+0xe/0x10 > [<ffffffffa0036852>] virtio_net_driver_exit+0x10/0x7be [virtio_net] > [<ffffffff810d7cf2>] SyS_delete_module+0x172/0x220 > [<fffff...

...ve_vq_common+0x22/0x40 [virtio_net] [<ffffffffa003474d>] virtnet_remove+0x4d/0x90 [virtio_net] [<ffffffff813ae303>] virtio_dev_remove+0x23/0x80 [<ffffffff813f62cf>] __device_release_driver+0x7f/0xf0 [<ffffffff813f6c80>] driver_detach+0xc0/0xd0 [<ffffffff813f5f08>] bus_remove_driver+0x58/0xd0 [<ffffffff813f72cc>] driver_unregister+0x2c/0x50 [<ffffffff813ae63e>] unregister_virtio_driver+0xe/0x10 [<ffffffffa0036852>] virtio_net_driver_exit+0x10/0x7be [virtio_net] [<ffffffff810d7cf2>] SyS_delete_module+0x172/0x220 [<ffffffff810a732d>] ? trace_...

...02.510786] drm_dev_unregister+0x3a/0xe0 [ 202.510787] drm_put_dev+0x22/0x40 [ 202.510796] nouveau_drm_device_remove+0x42/0x70 [nouveau] [ 202.510798] pci_device_remove+0x36/0xb0 [ 202.510800] device_release_driver_internal+0x155/0x220 [ 202.510802] driver_detach+0x32/0x70 [ 202.510803] bus_remove_driver+0x47/0xa0 [ 202.510804] pci_unregister_driver+0x24/0x90 [ 202.510814] nouveau_drm_exit+0x15/0x4f0 [nouveau] [ 202.510816] __se_sys_delete_module+0x165/0x230 [ 202.510818] do_syscall_64+0x50/0x160 [ 202.510820] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 202.510821] RIP: 0033:0x7f144c417...

...device_unregister+0x2c/0x70 [ 468.071058] unregister_virtio_device+0x20/0x40 [virtio] [ 468.074097] virtio_pci_remove+0x2b/0x70 [virtio_pci] [ 468.076138] pci_device_remove+0x61/0x100 [ 468.078689] __device_release_driver+0xec/0x200 [ 468.080772] driver_detach+0x117/0x120 [ 468.082520] bus_remove_driver+0x98/0x160 [ 468.084323] driver_unregister+0x43/0x70 [ 468.086099] pci_unregister_driver+0x2a/0x90 [ 468.087912] virtio_pci_driver_exit+0x10/0x289 [virtio_pci] [ 468.089980] INFO: Slab 0xffffea0000d4d800 objects=13 used=11 fp=0xffff880035361260 flags=0x3ffc0000004080 [ 468.092800] INFO: O...

...device_unregister+0x2c/0x70 [ 468.071058] unregister_virtio_device+0x20/0x40 [virtio] [ 468.074097] virtio_pci_remove+0x2b/0x70 [virtio_pci] [ 468.076138] pci_device_remove+0x61/0x100 [ 468.078689] __device_release_driver+0xec/0x200 [ 468.080772] driver_detach+0x117/0x120 [ 468.082520] bus_remove_driver+0x98/0x160 [ 468.084323] driver_unregister+0x43/0x70 [ 468.086099] pci_unregister_driver+0x2a/0x90 [ 468.087912] virtio_pci_driver_exit+0x10/0x289 [virtio_pci] [ 468.089980] INFO: Slab 0xffffea0000d4d800 objects=13 used=11 fp=0xffff880035361260 flags=0x3ffc0000004080 [ 468.092800] INFO: O...

...gt; [ 468.071058] unregister_virtio_device+0x20/0x40 [virtio] > [ 468.074097] virtio_pci_remove+0x2b/0x70 [virtio_pci] > [ 468.076138] pci_device_remove+0x61/0x100 > [ 468.078689] __device_release_driver+0xec/0x200 > [ 468.080772] driver_detach+0x117/0x120 > [ 468.082520] bus_remove_driver+0x98/0x160 > [ 468.084323] driver_unregister+0x43/0x70 > [ 468.086099] pci_unregister_driver+0x2a/0x90 > [ 468.087912] virtio_pci_driver_exit+0x10/0x289 [virtio_pci] > [ 468.089980] INFO: Slab 0xffffea0000d4d800 objects=13 used=11 fp=0xffff880035361260 flags=0x3ffc0000004080 &g...

...v_unregister+0x3c/0xe0 [drm] [466017.592089] drm_put_dev+0x2e/0x60 [drm] [466017.592089] nouveau_drm_device_remove+0x44/0x70 [nouveau] [466017.592089] pci_device_remove+0x36/0xb0 [466017.592089] device_release_driver_internal+0x157/0x210 [466017.592089] driver_detach+0x39/0x70 [466017.592089] bus_remove_driver+0x51/0xd0 [466017.592089] pci_unregister_driver+0x2a/0xa0 [466017.592089] nouveau_drm_exit+0x15/0x1c5 [nouveau] [466017.592089] SyS_delete_module+0x18c/0x290 [466017.592089] system_call_fast_compare_end+0xc/0x6f [466017.592089] RIP: 0033:0x7fc9dfefcad7 [466017.592089] RSP: 002b:00007ffea4c86a...

..._destroy+0x41/0x80 [nouveau] nouveau_drm_unload+0x6b/0xd0 [nouveau] drm_dev_unregister+0x3c/0xe0 drm_put_dev+0x2e/0x60 nouveau_drm_device_remove+0x37/0x50 [nouveau] pci_device_remove+0x36/0xb0 device_release_driver_internal+0x160/0x230 driver_detach+0x3a/0x70 bus_remove_driver+0x58/0xd0 pci_unregister_driver+0x3b/0x90 nouveau_drm_exit+0x15/0x432 [nouveau] SyS_delete_module+0x16c/0x230 Issue 8 - acpi: sleeping function in atomic context. (Issue is likely not related to this patch set.) At some point I also got a BUG, nouveau was already unloaded and I ra...