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This fixes some nasty issues I found in nouveau that were being caused looping through connectors using racy legacy methods, along with some caused by making incorrect assumptions about the drm_connector structs in nouveau's connector list. Most of these memory corruption issues could be reproduced by using an MST hub with nouveau. Cc: Karol Herbst <karolherbst at gmail.com> Cc: stable

..._hpd_work+0x67/0x1f0 [nouveau] [ 201.039380] process_one_work+0x7a0/0x14d0 [ 201.039388] ? cancel_delayed_work_sync+0x20/0x20 [ 201.039392] ? lock_acquire+0x113/0x310 [ 201.039398] ? kasan_check_write+0x14/0x20 [ 201.039402] ? do_raw_spin_lock+0xc2/0x1c0 [ 201.039409] worker_thread+0x86/0xb50 [ 201.039418] kthread+0x2e9/0x3a0 [ 201.039422] ? process_one_work+0x14d0/0x14d0 [ 201.039426] ? kthread_create_worker_on_cpu+0xc0/0xc0 [ 201.039431] ret_from_fork+0x3a/0x50 [ 201.039441] [ 201.039444] Allocated by task 79: [ 201.039449] save_stack+0x43/0xd0 [ 201.039452] kasan_kmallo...

Hi Maby stupid question :) It possible to have 3 directors (frontend) but without rings ? All directors connect to this same dovecot (backend) - all backad have this same login_trusted_networks -- Maciej Mi?aszewski IQ PL Sp. z o.o. Starszy Administrator Systemowy

...O32 W 0x100b80 0x000003f4 PFB+0xb80 <= 0x3f4 [0] 443.965203 MMIO32 W 0x100b84 0x00000000 PFB+0xb84 <= 0 [0] 443.965223 MMIO32 R 0x100b00 0x23000305 PFB+0xb00 => 0x23000305 [0] 443.965242 MMIO32 R 0x100e04 0x80044881 PFB+0xe04 => 0x80044881 [0] 443.965262 MMIO32 R 0x100b50 0x00000058 PFB+0xb50 => 0x58 [0] 443.965280 MMIO32 W 0x100b50 0x00000008 PFB+0xb50 <= 0x8 [0] 443.965299 MMIO32 R 0x100b54 0x00000058 PFB+0xb54 => 0x58 [0] 443.965317 MMIO32 W 0x100b54 0x00000008 PFB+0xb54 <= 0x8 [0] 443.965335 MMIO32 W 0x100b00 0x23000305 PFB+0xb00 <= 0x23000305 [0] 443.965354 MMIO32 R...

This fixes some nasty issues I found in nouveau that were being caused looping through connectors using racy legacy methods, along with some caused by making incorrect assumptions about the drm_connector structs in nouveau's connector list. Most of these memory corruption issues could be reproduced by using an MST hub with nouveau. Next version of

...ffffff8112af21>] filemap_fdatawait_range+0x101/0x190 [ 469.037889] [<ffffffffa057e4d8>] btrfs_wait_ordered_range+0x68/0x120 [btrfs] [ 469.037919] [<ffffffffa059f412>] __btrfs_write_out_cache+0x772/0x990 [btrfs] [ 469.037942] [<ffffffffa05573ce>] ? run_clustered_refs+0x1be/0xb50 [btrfs] [ 469.037972] [<ffffffffa05a5278>] ? btrfs_find_ref_cluster+0x68/0x170 [btrfs] [ 469.037999] [<ffffffffa059f6e1>] btrfs_write_out_cache+0xb1/0xf0 [btrfs] [ 469.038021] [<ffffffffa055854f>] btrfs_write_dirty_block_groups+0x50f/0x5e0 [btrfs] [ 469.038043] [<ffffff...

...2a0 [<ffffffff8111d201>] ? select_bad_process+0xe1/0x120 [<ffffffff8111d700>] ? out_of_memory+0x220/0x3c0 [<ffffffff8112c3dc>] ? __alloc_pages_nodemask+0x8ac/0x8d0 [<ffffffff81160d6a>] ? alloc_pages_vma+0x9a/0x150 [<ffffffff81143f0b>] ? handle_pte_fault+0x76b/0xb50 [<ffffffffa00c60f9>] ? ext4_check_acl+0x29/0x90 [ext4] [<ffffffff81075887>] ? current_fs_time+0x27/0x30 [<ffffffff8114452a>] ? handle_mm_fault+0x23a/0x310 [<ffffffff810474e9>] ? __do_page_fault+0x139/0x480 [<ffffffff8114aaba>] ? do_mmap_pgoff+0x33a/0x380 [&...

...10.161943] __kmalloc+0x105/0x230 > > [ 310.163233] __vring_new_virtqueue+0xd1/0xee0 > > [ 310.164623] vring_create_virtqueue+0x2e3/0x5e0 > > [ 310.165536] setup_vq+0x136/0x620 > > [ 310.166286] vp_setup_vq+0x13d/0x6d0 > > [ 310.167059] vp_find_vqs_msix+0x46c/0xb50 > > [ 310.167855] vp_find_vqs+0x71/0x410 > > [ 310.168641] vp_modern_find_vqs+0x21/0x140 > > [ 310.169453] init_vqs+0x957/0x1390 [virtio_net] > > [ 310.170306] virtnet_restore_up+0x4a/0x590 [virtio_net] > > [ 310.171214] virtnet_xdp+0x89f/0xdf0 [virtio_net] &...

...10.161943] __kmalloc+0x105/0x230 > > [ 310.163233] __vring_new_virtqueue+0xd1/0xee0 > > [ 310.164623] vring_create_virtqueue+0x2e3/0x5e0 > > [ 310.165536] setup_vq+0x136/0x620 > > [ 310.166286] vp_setup_vq+0x13d/0x6d0 > > [ 310.167059] vp_find_vqs_msix+0x46c/0xb50 > > [ 310.167855] vp_find_vqs+0x71/0x410 > > [ 310.168641] vp_modern_find_vqs+0x21/0x140 > > [ 310.169453] init_vqs+0x957/0x1390 [virtio_net] > > [ 310.170306] virtnet_restore_up+0x4a/0x590 [virtio_net] > > [ 310.171214] virtnet_xdp+0x89f/0xdf0 [virtio_net] &...