[Nouveau] [Bug 101322] GM108/NV118: 0 MiB DDR3 and boot crash in gf100_ltc_oneinit_tag_ram

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101322

--- Comment #1 from Karol Herbst <karolherbst at gmail.com> ---
(In reply to Daniel Drake from comment #0)
> Created attachment 131742 [details]
> full dmesg log
> 
> On the Acer Z20-730 laptop, the nouveau driver crashes during boot with:
> 
> [    4.041108] nouveau 0000:01:00.0: pci: failed to adjust cap speed
> [    4.041167] nouveau 0000:01:00.0: pci: failed to adjust lnkctl speed
> [    9.633613] nouveau 0000:01:00.0: fb: 0 MiB DDR3
> [   20.811768] divide error: 0000 [#1] SMP
> [   20.813654] Modules linked in: hid_generic usbmouse usbkbd usbhid i915
> nouveau(+) mxm_wmi i2c_algo_bit drm_kms_helper sdhci_pci syscopyarea
> sysfillrect sysimgblt fb_sys_fops ttm sdhci drm ahci libahci wmi i2c_hid hid
> video
> [   20.815697] CPU: 3 PID: 200 Comm: systemd-udevd Not tainted
> 4.11.0-2-generic #7+dev143.9f9ecd2beos3.2.2-Endless
> [   20.817684] Hardware name: Acer Aspire Z20-730/IPMAL-BR3, BIOS D01
> 07/07/2016
> [   20.819711] task: ffff8a3070288000 task.stack: ffffa3eb4103c000
> [   20.821762] RIP: 0010:gf100_ltc_oneinit_tag_ram+0xba/0x100 [nouveau]
> [   20.823789] RSP: 0018:ffffa3eb4103f6b8 EFLAGS: 00010206
> [   20.825773] RAX: 00001000ffefdfff RBX: ffff8a306f915000 RCX:
> ffff8a3075570030
> [   20.827820] RDX: 0000000000000000 RSI: dead000000000200 RDI:
> ffff8a307fd9b700
> [   20.829797] RBP: ffffa3eb4103f6d0 R08: 000000000001e980 R09:
> ffff8a3077003900
> [   20.831825] R10: ffffa3eb40cdbda0 R11: ffff8a307fd986a4 R12:
> 0000000000000000
> [   20.833814] R13: 0000000100005fff R14: ffff8a306fa2e400 R15:
> ffff8a306f914e00
> [   20.835882] FS:  00007f456d052900(0000) GS:ffff8a307fd80000(0000)
> knlGS:0000000000000000
> [   20.837874] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [   20.839935] CR2: 00007fefceb1c020 CR3: 000000026fbc5000 CR4:
> 00000000003406e0
> [   20.841918] Call Trace:
> [   20.843972]  gm107_ltc_oneinit+0x7c/0x90 [nouveau]
> [   20.845952]  nvkm_ltc_oneinit+0x13/0x20 [nouveau]
> [   20.847991]  nvkm_subdev_init+0x50/0x210 [nouveau]
> [   20.849977]  nvkm_device_init+0x151/0x270 [nouveau]
> [   20.851997]  nvkm_udevice_init+0x48/0x60 [nouveau]
> [   20.853944]  nvkm_object_init+0x40/0x190 [nouveau]
> [   20.855924]  nvkm_ioctl_new+0x179/0x290 [nouveau]
> [   20.857838]  ? nvkm_client_notify+0x30/0x30 [nouveau]
> [   20.859794]  ? nvkm_udevice_rd08+0x30/0x30 [nouveau]
> [   20.861674]  nvkm_ioctl+0x168/0x240 [nouveau]
> [   20.863576]  ? nvif_client_init+0x42/0x110 [nouveau]
> [   20.865449]  nvkm_client_ioctl+0x12/0x20 [nouveau]
> [   20.867368]  nvif_object_ioctl+0x42/0x50 [nouveau]
> [   20.869237]  nvif_object_init+0xc2/0x130 [nouveau]
> [   20.871141]  nvif_device_init+0x12/0x30 [nouveau]
> [   20.872994]  nouveau_cli_init+0x15e/0x1d0 [nouveau]
> [   20.874873]  nouveau_drm_load+0x67/0x8b0 [nouveau]
> [   20.876674]  ? sysfs_do_create_link_sd.isra.2+0x70/0xb0
> [   20.878451]  drm_dev_register+0x148/0x1e0 [drm]
> [   20.880302]  drm_get_pci_dev+0xa0/0x160 [drm]
> [   20.882166]  nouveau_drm_probe+0x1d9/0x260 [nouveau]
> 
> This has been reproduced on 4.12-rc3. Please let us know how we can help
> with further debugging.

does this error appear on older kernels?

Can you get a dmesg booted with "nouveau.debug=debug"?

thanks

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