linux-kernel - Re: nouveau oops in nouveau_bo

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Date:	Mon, 29 Jul 2013 08:56:16 +0200
From:	Johannes Hirte <johannes.hirte@....tu-ilmenau.de>
To:	Dave Jones <davej@...hat.com>
Cc:	Linux Kernel <linux-kernel@...r.kernel.org>, bskeggs@...hat.com
Subject: Re: nouveau oops in nouveau_bo_new

On Thu, 25 Jul 2013 12:22:03 -0400
Dave Jones <davej@...hat.com> wrote:

> This recently started happening (since the last DRM merge, 3.10 was
> fine).
> 
> [   17.751970] Oops: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC
> [   17.752260] Modules linked in: nouveau(+) video mxm_wmi wmi
> i2c_algo_bit tg3 ttm drm_kms_helper iTCO_wdt drm iTCO_vendor_support
> ptp lpc_ich ppdev dcdbas mfd_core pps_core serio_raw i5k_amb i2c_i801
> pcspkr i2c_core shpchp parport_pc parport xfs libcrc32c raid0 floppy
> [   17.753911] CPU: 3 PID: 292 Comm: systemd-udevd Not tainted
> 3.11.0-rc2+ #13 [   17.754123] Hardware name: Dell
> Inc.                 Precision WorkStation 490    /0DT031, BIOS A08
> 04/25/2008 [   17.754285] task: ed9dabc0 ti: ecdd0000 task.ti:
> ecdd0000 [   17.754392] EIP: 0060:[<f86dde0f>] EFLAGS: 00010296 CPU:
> 3 [   17.754542] EIP is at nouveau_bo_new+0x1f/0x28c [nouveau]
> [   17.754647] EAX: 00000000 EBX: ed8610b0 ECX: 00000100 EDX:
> 00004000 [   17.754753] ESI: 00004000 EDI: ec8390b0 EBP: ecdd1b4c
> ESP: ecdd1b14 [   17.754858]  DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS:
> 0068 [   17.754963] CR0: 80050033 CR2: 00000000 CR3: 2ca65000 CR4:
> 000007f0 [   17.755069] Stack: [   17.755167]  00000003 f1002780
> 000008b0 ecdd0000 f850280f 00000600 000080d0 ed8610b0 [   17.755690]
> 00000100 ef9f3cd0 00000000 ed8610b0 ef9f3cd0 00000000 ecdd1b78
> f86ef2f6 [   17.756210]  00000004 00000000 00000000 00000000 ed861444
> ecef8c30 ebb41520 ef9f3cd0 [   17.756729] Call Trace: [   17.756849]
> [<f850280f>] ? drm_mode_crtc_set_gamma_size+0x23/0x43 [drm]
> [   17.756993]  [<f86ef2f6>] nv04_crtc_create+0xd4/0x142 [nouveau]
> [   17.757138]  [<f86f2758>] nv04_display_create+0xf2/0x35a [nouveau]
> [   17.757281]  [<f86e801a>] nouveau_display_create+0x33f/0x553
> [nouveau] [   17.757422]  [<f86d99fb>] nouveau_drm_load+0x22f/0x5dc
> [nouveau] [   17.757534]  [<c1391816>] ? device_register+0x17/0x1a
> [   17.757648]  [<f84ff77b>] ? drm_sysfs_device_add+0x76/0xa3 [drm]
> [   17.757764]  [<f84fe6bd>] drm_get_pci_dev+0x138/0x238 [drm]
> [   17.757902]  [<f86ab3ce>] ? nouveau_device_create_+0x65/0x11b
> [nouveau] [   17.758044]  [<f86da081>] nouveau_drm_probe+0x2d9/0x360
> [nouveau] [   17.758155]  [<c12d55ac>] pci_device_probe+0x6c/0xb0
> [   17.758261]  [<c1393dae>] driver_probe_device+0x7f/0x356
> [   17.758367]  [<c139412c>] __driver_attach+0x74/0x76
> [   17.758473]  [<c13940b8>] ? __device_attach+0x33/0x33
> [   17.758579]  [<c13922b6>] bus_for_each_dev+0x49/0x74
> [   17.758684]  [<c13938ec>] driver_attach+0x1e/0x20 [   17.758791]
> [<c13940b8>] ? __device_attach+0x33/0x33 [   17.758896]  [<c1393550>]
> bus_add_driver+0x1d0/0x27c [   17.759002]  [<c12d51c2>] ?
> pci_pm_suspend+0x111/0x111 [   17.759109]  [<c12d51c2>] ?
> pci_pm_suspend+0x111/0x111 [   17.759215]  [<c1394667>]
> driver_register+0x6a/0x123 [   17.759321]  [<c12bdfad>] ?
> __raw_spin_lock_init+0x2d/0x4e [   17.759428]  [<c12d45f3>]
> __pci_register_driver+0x4a/0x4d [   17.760008]  [<f84fe8a3>]
> drm_pci_init+0xe6/0xee [drm] [   17.760008]  [<f8752000>] ?
> 0xf8751fff [   17.760008]  [<f8752048>] nouveau_drm_init+0x48/0x1000
> [nouveau] [   17.760008]  [<c10003f0>] do_one_initcall+0xc0/0x180
> [   17.760008]  [<f8752000>] ? 0xf8751fff [   17.760008]
> [<c1033765>] ? set_memory_nx+0x5a/0x5c [   17.760008]  [<c15aca75>] ?
> set_section_ro_nx+0x54/0x59 [   17.760008]  [<c10b4174>]
> load_module+0x1ad6/0x2519 [   17.760008]  [<c10b05ed>] ?
> copy_module_from_fd.isra.49+0x34/0x13b [   17.760008]  [<c10b4d0b>]
> SyS_finit_module+0x73/0xac [   17.760008]  [<c106b0cb>] ?
> up_write+0x1b/0x30 [   17.760008]  [<c11343ca>] ?
> vm_mmap_pgoff+0x7a/0x97 [   17.760008]  [<c15bf03b>]
> sysenter_do_call+0x12/0x32 [   17.760008] Code: c7 83 1c 01 00 00 ff
> ff ff ff eb aa 55 89 e5 57 56 53 83 ec 2c 66 66 66 66 90 89 d6 89 4d
> e8 8b b8 ec 03 00 00 8b 87 8c 00 00 00 <8b> 00 0f b6 88 91 00 00 00
> b8 ff ff ff ff d3 e0 25 ff ff ff 7f [   17.760008] EIP: [<f86dde0f>]
> nouveau_bo_new+0x1f/0x28c [nouveau] SS:ESP 0068:ecdd1b14
> [   17.760008] CR2: 0000000000000000

I've seen a similar oops. Bisect pointed me to
0108bc808107b97e101b15af9705729626be6447 "drm/nouveau: do not allow
negative sizes for now" and reverting this commit fixed it for me.
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