| Bug ID | 104556 |
|---|---|
| Summary | WARNING: CPU: 1 PID: 7288 at mm/slab_common.c:971 kmalloc_slab+0x5e/0x70 |
| Product | DRI |
| Version | XOrg git |
| Hardware | Other |
| OS | All |
| Status | NEW |
| Severity | normal |
| Priority | medium |
| Component | DRM/AMDgpu |
| Assignee | dri-devel@lists.freedesktop.org |
| Reporter | pmenzel+bugs.freedesktop@molgen.mpg.de |
With Linux 4.14.12 and libdrm 2.4.89, running `sudo tests/amdgpu/amdgpu_test l`, it hangs at *gfx ring block test*, and the Linux messages below can be seen running `dmesg`. ``` [ 175.540929] ------------[ cut here ]------------ [ 175.540933] WARNING: CPU: 1 PID: 7288 at mm/slab_common.c:971 kmalloc_slab+0x5e/0x70 [ 175.540934] Modules linked in: nfsv4 nfs 8021q garp mrp stp llc amdgpu ttm drm_kms_helper cfbfillrect syscopyarea cfbimgblt sysfillrect sysimgblt hci_uart fb_sys_fops cfbcopyarea fb font fbdev drm btqca btintel bluetooth wmi_bmof video ecdh_generic wmi nfsd auth_rpcgss oid_registry nfs_acl lockd grace sunrpc ipv6 autofs4 unix [ 175.540960] CPU: 1 PID: 7288 Comm: lt-amdgpu_test Not tainted 4.14.12.mx64.200 #1 [ 175.540961] Hardware name: Dell Inc. OptiPlex 5040/0R790T, BIOS 1.2.7 01/15/2016 [ 175.540961] task: ffff8802389b90c0 task.stack: ffffc9000b724000 [ 175.540963] RIP: 0010:kmalloc_slab+0x5e/0x70 [ 175.540963] RSP: 0018:ffffc9000b727928 EFLAGS: 00010246 [ 175.540964] RAX: 0000000000000000 RBX: ffff880250789008 RCX: ffffc9000b727a90 [ 175.540965] RDX: 00000000048c27c0 RSI: 0000000000000000 RDI: 00000000048c27c0 [ 175.540965] RBP: ffffc9000b727a90 R08: ffff880250789008 R09: ffff880250789038 [ 175.540965] R10: ffff8802427426c8 R11: 00000000ffffffff R12: 00000000014080c0 [ 175.540966] R13: 00000000048c27c0 R14: ffffffffa0338314 R15: ffff8802427426c8 [ 175.540966] FS: 00007f56b969c700(0000) GS:ffff88025c480000(0000) knlGS:0000000000000000 [ 175.540967] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 175.540967] CR2: 00007f56b96d1000 CR3: 000000024a95e004 CR4: 00000000003606e0 [ 175.540968] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 175.540968] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 175.540968] Call Trace: [ 175.540971] __kmalloc+0x23/0x240 [ 175.541001] amdgpu_vram_mgr_new+0xc4/0x2b0 [amdgpu] [ 175.541004] ttm_bo_mem_space+0x111/0x4e0 [ttm] [ 175.541009] ? add_hole+0xcc/0xf0 [drm] [ 175.541010] ttm_bo_validate+0xab/0x120 [ttm] [ 175.541014] ? drm_prime_handle_to_fd_ioctl+0x3e/0x50 [drm] [ 175.541016] ttm_bo_init_reserved+0x343/0x400 [ttm] [ 175.541022] amdgpu_bo_create_restricted+0x1db/0x460 [amdgpu] [ 175.541029] ? amdgpu_fill_buffer+0x2e0/0x2e0 [amdgpu] [ 175.541036] amdgpu_bo_create+0xbd/0x1b0 [amdgpu] [ 175.541043] amdgpu_gem_object_create+0x76/0xe0 [amdgpu] [ 175.541050] ? amdgpu_gem_object_close+0x1b0/0x1b0 [amdgpu] [ 175.541056] amdgpu_gem_create_ioctl+0x84/0x100 [amdgpu] [ 175.541059] drm_ioctl_kernel+0x65/0xb0 [drm] [ 175.541062] drm_ioctl+0x28b/0x330 [drm] [ 175.541069] ? amdgpu_gem_object_close+0x1b0/0x1b0 [amdgpu] [ 175.541070] ? tty_write+0x1e6/0x2c0 [ 175.541071] ? n_tty_open+0xd0/0xd0 [ 175.541076] amdgpu_drm_ioctl+0x46/0x80 [amdgpu] [ 175.541078] do_vfs_ioctl+0x8f/0x5b0 [ 175.541079] ? vfs_write+0x194/0x1b0 [ 175.541080] SyS_ioctl+0x3b/0x70 [ 175.541081] entry_SYSCALL_64_fastpath+0x13/0x6c [ 175.541082] RIP: 0033:0x7f56b86993e7 [ 175.541083] RSP: 002b:00007ffe44526408 EFLAGS: 00000246 [ 175.541083] Code: 82 f3 c3 48 85 ff b8 10 00 00 00 74 f4 48 83 ef 01 48 c1 ef 03 48 63 ff 0f be 87 c0 f6 46 82 eb d1 31 c0 81 e6 00 02 00 00 75 d6 <0f> ff c3 48 8b 04 c5 c0 74 b3 82 c3 66 0f 1f 44 00 00 0f 1f 44 [ 175.541097] ---[ end trace bd4b3546ebd3d3ae ]--- [ 175.541108] [drm:amdgpu_gem_object_create [amdgpu]] *ERROR* Failed to allocate GEM object (1000000000000, 6, 4096, -12) ```
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