From: Zhenyu Wang <zhenyuw@linux.intel.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: intel-gfx@lists.freedesktop.org, intel-gvt-dev@lists.freedesktop.org
Subject: Re: [Intel-gfx] 5.14-rc2 warnings with kvmgvt
Date: Thu, 22 Jul 2021 13:05:49 +0800 [thread overview]
Message-ID: <20210722050549.GN13928@zhen-hp.sh.intel.com> (raw)
In-Reply-To: <YPgAuSt6Ps7w4/AI@infradead.org>
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On 2021.07.21 13:10:49 +0200, Christoph Hellwig wrote:
> Hi all,
>
> I'm trying to test some changes for the gvt code, but even with a baseline
> 5.14-rc2 host and guest the 915 driver does not seem overly happy:
>
I think we also got bug report on those display related warnings, should be
some issue with our virtual display model that doesn't work nicely with more i915
display pipe/port check or exercises have been added...But I believe you should
still get virtual framebuffer up and show, right?
> [ 5.693099] i915 0000:00:04.0: [drm] Virtual GPU for Intel GVT-g detected.
> [ 5.694841] i915 0000:00:04.0: [drm] VT-d active for gfx access
> [ 5.696411] i915 0000:00:04.0: [drm] iGVT-g active, disabling use of stolen memory
> [ 5.711317] i915 0000:00:04.0: BAR 6: can't assign [??? 0x00000000 flags 0x20000000] (bogus alignm)
> [ 5.712847] i915 0000:00:04.0: [drm] Failed to find VBIOS tables (VBT)
> [ 5.714343] i915 0000:00:04.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=none:owns=iom
> [ 5.716466] i915 0000:00:04.0: Direct firmware load for i915/kbl_dmc_ver1_04.bin failed with error2
> [ 5.718021] i915 0000:00:04.0: [drm] Failed to load DMC firmware i915/kbl_dmc_ver1_04.bin. Disabli.
> [ 5.719914] i915 0000:00:04.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/k5
> [ 5.733269] i915 0000:00:04.0: [drm] failed to retrieve link info, disabling eDP
> [ 5.735841] i915 0000:00:04.0: [drm] *ERROR* crtc 51: Can't calculate constants, dotclock = 0!
> [ 5.737354] ------------[ cut here ]------------
> [ 5.738141] i915 0000:00:04.0: drm_WARN_ON_ONCE(drm_drv_uses_atomic_modeset(dev))
> [ 5.738165] WARNING: CPU: 0 PID: 1 at drivers/gpu/drm/drm_vblank.c:728 drm_crtc_vblank_helper_get_0
> [ 5.738745] Modules linked in:
> [ 5.738745] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.14.0-rc2+ #22
> [ 5.738745] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-2 04/01/2014
> [ 5.738745] RIP: 0010:drm_crtc_vblank_helper_get_vblank_timestamp_internal+0x335/0x350
> [ 5.738745] Code: 4c 8b 6f 50 4d 85 ed 75 03 4c 8b 2f e8 34 10 26 00 48 c7 c1 20 54 0d 83 4c 89 ea0
> [ 5.738745] RSP: 0000:ffffc90000013a90 EFLAGS: 00010086
> [ 5.738745] RAX: 0000000000000000 RBX: ffffffff81c3c5b0 RCX: 0000000000000000
> [ 5.738745] RDX: 0000000000000003 RSI: 00000000fffeffff RDI: 00000000ffffffff
> [ 5.738745] RBP: ffffc90000013b00 R08: ffffffff83bb3e28 R09: 0000000000000003
> [ 5.738745] R10: ffffffff834b3e40 R11: 3fffffffffffffff R12: 0000000000000000
> [ 5.738745] R13: ffff888100e982f0 R14: ffff8881053f0340 R15: ffff888105592178
> [ 5.738745] FS: 0000000000000000(0000) GS:ffff88813bc00000(0000) knlGS:0000000000000000
> [ 5.738745] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 5.738745] CR2: 0000000000000000 CR3: 0000000003462000 CR4: 00000000000006f0
> [ 5.738745] Call Trace:
> [ 5.738745] drm_get_last_vbltimestamp+0xa5/0xb0
> [ 5.738745] drm_reset_vblank_timestamp+0x56/0xc0
> [ 5.738745] drm_crtc_vblank_on+0x81/0x140
> [ 5.738745] intel_crtc_vblank_on+0x2b/0xe0
> [ 5.738745] intel_modeset_setup_hw_state+0xa9c/0x1ab0
> [ 5.738745] ? ww_mutex_lock+0x2b/0x90
> [ 5.738745] intel_modeset_init_nogem+0x3c5/0x1310
> [ 5.738745] ? intel_irq_postinstall+0x1aa/0x520
> [ 5.738745] i915_driver_probe+0x695/0xd30
> [ 5.738745] ? _raw_spin_unlock_irqrestore+0x33/0x50
> [ 5.738745] pci_device_probe+0xcd/0x140
> [ 5.738745] really_probe.part.0+0x99/0x270
> [ 5.738745] __driver_probe_device+0x8b/0x120
> [ 5.738745] driver_probe_device+0x19/0x90
> [ 5.738745] __driver_attach+0x79/0x120
> [ 5.738745] ? __device_attach_driver+0x90/0x90
> [ 5.738745] bus_for_each_dev+0x78/0xc0
> [ 5.738745] bus_add_driver+0x109/0x1b0
> [ 5.738745] driver_register+0x86/0xd0
> [ 5.738745] ? ttm_init+0x18/0x18
> [ 5.738745] i915_init+0x58/0x72
> [ 5.738745] do_one_initcall+0x56/0x2e0
> [ 5.738745] ? rcu_read_lock_sched_held+0x3a/0x70
> [ 5.738745] kernel_init_freeable+0x186/0x1ce
> [ 5.738745] ? rest_init+0x250/0x250
> [ 5.738745] kernel_init+0x11/0x110
> [ 5.738745] ret_from_fork+0x22/0x30
> [ 5.738745] irq event stamp: 8200428
> [ 5.738745] hardirqs last enabled at (8200427): [<ffffffff825d38e8>] _raw_spin_unlock_irqrestore+0
> [ 5.738745] hardirqs last disabled at (8200428): [<ffffffff825d3671>] _raw_spin_lock_irq+0x41/0x50
> [ 5.738745] softirqs last enabled at (8199086): [<ffffffff8113f3c8>] irq_exit_rcu+0x108/0x140
> [ 5.738745] softirqs last disabled at (8199079): [<ffffffff8113f3c8>] irq_exit_rcu+0x108/0x140
> [ 5.738745] ---[ end trace e99e0812b8ee9c5d ]---
> [ 5.786472] i915 0000:00:04.0: [drm] VGT ballooning configuration:
> [ 5.787531] i915 0000:00:04.0: [drm] Mappable graphic memory: base 0x31c7000 size 65536KiB
> [ 5.788865] i915 0000:00:04.0: [drm] Unmappable graphic memory: base 0xe7ef8000 size 393216KiB
> [ 5.790270] i915 0000:00:04.0: [drm] balloon space: range [ 0x10000000 - 0xe7ef8000 ] 3537888 KiB.
> [ 5.791807] i915 0000:00:04.0: [drm] balloon space: range [ 0xffef8000 - 0x100000000 ] 1056 KiB.
> [ 5.793241] i915 0000:00:04.0: [drm] balloon space: range [ 0x0 - 0x31c7000 ] 50972 KiB.
> [ 5.794565] i915 0000:00:04.0: [drm] balloon space: range [ 0x71c7000 - 0x10000000 ] 145636 KiB.
> [ 5.796028] i915 0000:00:04.0: [drm] VGT balloon successfully
> [ 6.670284] ------------[ cut here ]------------
> [ 6.671155] crtc active state doesn't match with hw state (expected 0, found 1)
> [ 6.672376] WARNING: CPU: 0 PID: 1 at drivers/gpu/drm/i915/display/intel_display.c:8964 intel_atom0
> [ 6.674232] Modules linked in:
> [ 6.674767] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 5.14.0-rc2+ #22
> [ 6.676039] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-2 04/01/2014
> [ 6.677402] RIP: 0010:intel_atomic_commit_tail+0x13c9/0x1410
> [ 6.678335] Code: 0f 0b 0f b6 34 24 89 f1 e9 8d fc ff ff e8 7f 19 7f 00 0f 0b e9 30 fd ff ff e8 739
> [ 6.681400] RSP: 0000:ffffc90000013b20 EFLAGS: 00010282
> [ 6.682264] RAX: 0000000000000000 RBX: ffff888105593800 RCX: 0000000000000000
> [ 6.683453] RDX: 0000000000000001 RSI: ffffffff831a6e3f RDI: 00000000ffffffff
> [ 6.684623] RBP: ffff888104ab2000 R08: 0000000000000001 R09: 0000000000000001
> [ 6.685782] R10: 00000000ffff0000 R11: 3fffffffffffffff R12: ffff888104baa000
> [ 6.686972] R13: ffff888104e5a000 R14: ffff8881053f0000 R15: ffff8881053f0000
> [ 6.688147] FS: 0000000000000000(0000) GS:ffff88813bc00000(0000) knlGS:0000000000000000
> [ 6.689475] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 6.690421] CR2: 0000000000000000 CR3: 0000000003462000 CR4: 00000000000006f0
> [ 6.691611] Call Trace:
> [ 6.692038] intel_atomic_commit+0x32d/0x3b0
> [ 6.692751] intel_initial_commit+0x156/0x1e0
> [ 6.693488] intel_modeset_init+0x19/0x80
> [ 6.694156] i915_driver_probe+0x6bb/0xd30
> [ 6.694860] ? _raw_spin_unlock_irqrestore+0x33/0x50
> [ 6.695690] pci_device_probe+0xcd/0x140
> [ 6.696346] really_probe.part.0+0x99/0x270
> [ 6.697041] __driver_probe_device+0x8b/0x120
> [ 6.697767] driver_probe_device+0x19/0x90
> [ 6.698459] __driver_attach+0x79/0x120
> [ 6.699120] ? __device_attach_driver+0x90/0x90
> [ 6.699878] bus_for_each_dev+0x78/0xc0
> [ 6.700522] bus_add_driver+0x109/0x1b0
> [ 6.701163] driver_register+0x86/0xd0
> [ 6.701786] ? ttm_init+0x18/0x18
> [ 6.702342] i915_init+0x58/0x72
> [ 6.702906] do_one_initcall+0x56/0x2e0
> [ 6.703553] ? rcu_read_lock_sched_held+0x3a/0x70
> [ 6.704335] kernel_init_freeable+0x186/0x1ce
> [ 6.705057] ? rest_init+0x250/0x250
> [ 6.705660] kernel_init+0x11/0x110
> [ 6.706250] ret_from_fork+0x22/0x30
> [ 6.706893] irq event stamp: 8204007
> [ 6.707520] hardirqs last enabled at (8204015): [<ffffffff811acba3>] console_unlock+0x323/0x560
> [ 6.708967] hardirqs last disabled at (8204022): [<ffffffff811acc50>] console_unlock+0x3d0/0x560
> [ 6.710409] softirqs last enabled at (8203694): [<ffffffff8113f3c8>] irq_exit_rcu+0x108/0x140
> [ 6.711894] softirqs last disabled at (8203689): [<ffffffff8113f3c8>] irq_exit_rcu+0x108/0x140
> [ 6.713302] ---[ end trace e99e0812b8ee9c5e ]---
> [ 6.719970] [drm] Initialized i915 1.6.0 20201103 for 0000:00:04.0 on minor 0
>
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next prev parent reply other threads:[~2021-07-22 5:27 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-21 11:10 [Intel-gfx] 5.14-rc2 warnings with kvmgvt Christoph Hellwig
2021-07-21 11:24 ` Rodrigo Vivi
2021-07-21 15:43 ` Christoph Hellwig
2021-07-21 20:40 ` Christoph Hellwig
2021-07-21 21:18 ` Rodrigo Vivi
2021-07-22 4:24 ` Christoph Hellwig
2021-07-22 5:55 ` Lucas De Marchi
2021-07-22 7:20 ` Christoph Hellwig
2021-07-22 16:03 ` Lucas De Marchi
2021-07-22 16:08 ` Christoph Hellwig
2021-07-21 21:47 ` [Intel-gfx] ✗ Fi.CI.BUILD: failure for " Patchwork
2021-07-22 5:05 ` Zhenyu Wang [this message]
2021-07-22 5:52 ` [Intel-gfx] " Christoph Hellwig
2021-07-22 6:34 ` [Intel-gfx] ✗ Fi.CI.BUILD: failure for 5.14-rc2 warnings with kvmgvt (rev2) Patchwork
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