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Date
June 19, 2025, 12:07 p.m.

Environment
qemu-x86_64 

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[  187.067798] WARNING: drivers/gpu/drm/drm_rect.c:137 at drm_rect_calc_vscale+0x130/0x190, CPU#1: kunit_try_catch/2791
[  187.068634] Modules linked in:
[  187.069398] CPU: 1 UID: 0 PID: 2791 Comm: kunit_try_catch Tainted: G    B D W        N  6.16.0-rc2-next-20250619 #1 PREEMPT(voluntary) 
[  187.071478] Tainted: [B]=BAD_PAGE, [D]=DIE, [W]=WARN, [N]=TEST
[  187.071815] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  187.072861] RIP: 0010:drm_rect_calc_vscale+0x130/0x190
[  187.073373] Code: 7f 43 41 39 ce 7c 3e 48 83 c4 08 89 c8 5b 41 5c 41 5d 41 5e 5d c3 cc cc cc cc 8d 44 08 ff 99 f7 f9 89 c1 85 c0 79 d6 eb de 90 <0f> 0b 90 b9 ea ff ff ff 48 83 c4 08 5b 89 c8 41 5c 41 5d 41 5e 5d
[  187.074806] RSP: 0000:ffff888102617c78 EFLAGS: 00010286
[  187.075454] RAX: 0000000000010000 RBX: 00000000ffff0000 RCX: 00000000ffff0000
[  187.076326] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ffffffffa6837dd4
[  187.076802] RBP: ffff888102617ca0 R08: 0000000000000000 R09: ffffed1020d54be0
[  187.077804] R10: ffff888106aa5f07 R11: 0000000000000000 R12: ffffffffa6837dc0
[  187.078440] R13: 0000000000000000 R14: 000000007fffffff R15: ffff888102617d38
[  187.079312] FS:  0000000000000000(0000) GS:ffff8881b295f000(0000) knlGS:0000000000000000
[  187.079842] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  187.080630] CR2: dffffc00000000c5 CR3: 0000000158ebc000 CR4: 00000000000006f0
[  187.081459] DR0: ffffffffa8867484 DR1: ffffffffa8867489 DR2: ffffffffa886748a
[  187.081852] DR3: ffffffffa886748b DR6: 00000000ffff0ff0 DR7: 0000000000000600
[  187.082681] Call Trace:
[  187.083314]  <TASK>
[  187.083509]  drm_test_rect_calc_vscale+0x108/0x270
[  187.084224]  ? __pfx_drm_test_rect_calc_vscale+0x10/0x10
[  187.084855]  ? __schedule+0x10cc/0x2b60
[  187.085593]  ? __pfx_read_tsc+0x10/0x10
[  187.086196]  ? ktime_get_ts64+0x86/0x230
[  187.086479]  kunit_try_run_case+0x1a5/0x480
[  187.086820]  ? __pfx_kunit_try_run_case+0x10/0x10
[  187.087685]  ? _raw_spin_lock_irqsave+0xa1/0x100
[  187.088378]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[  187.088726]  ? __kthread_parkme+0x82/0x180
[  187.088902]  ? preempt_count_sub+0x50/0x80
[  187.089258]  ? __pfx_kunit_try_run_case+0x10/0x10
[  187.089654]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[  187.090060]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[  187.090829]  kthread+0x337/0x6f0
[  187.091155]  ? trace_preempt_on+0x20/0xc0
[  187.091746]  ? __pfx_kthread+0x10/0x10
[  187.092467]  ? _raw_spin_unlock_irq+0x47/0x80
[  187.092852]  ? calculate_sigpending+0x7b/0xa0
[  187.093553]  ? __pfx_kthread+0x10/0x10
[  187.093904]  ret_from_fork+0x116/0x1d0
[  187.094382]  ? __pfx_kthread+0x10/0x10
[  187.094734]  ret_from_fork_asm+0x1a/0x30
[  187.095360]  </TASK>
[  187.095727] ---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
[  187.032849] WARNING: drivers/gpu/drm/drm_rect.c:137 at drm_rect_calc_vscale+0x130/0x190, CPU#1: kunit_try_catch/2789
[  187.033950] Modules linked in:
[  187.035488] CPU: 1 UID: 0 PID: 2789 Comm: kunit_try_catch Tainted: G    B D W        N  6.16.0-rc2-next-20250619 #1 PREEMPT(voluntary) 
[  187.036608] Tainted: [B]=BAD_PAGE, [D]=DIE, [W]=WARN, [N]=TEST
[  187.036977] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  187.037561] RIP: 0010:drm_rect_calc_vscale+0x130/0x190
[  187.037872] Code: 7f 43 41 39 ce 7c 3e 48 83 c4 08 89 c8 5b 41 5c 41 5d 41 5e 5d c3 cc cc cc cc 8d 44 08 ff 99 f7 f9 89 c1 85 c0 79 d6 eb de 90 <0f> 0b 90 b9 ea ff ff ff 48 83 c4 08 5b 89 c8 41 5c 41 5d 41 5e 5d
[  187.039926] RSP: 0000:ffff8881025bfc78 EFLAGS: 00010286
[  187.040434] RAX: 00000000ffff0000 RBX: 00000000ffff0000 RCX: 0000000000010000
[  187.040722] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ffffffffa6837d9c
[  187.041441] RBP: ffff8881025bfca0 R08: 0000000000000000 R09: ffffed1020d54ba0
[  187.042481] R10: ffff888106aa5d07 R11: 0000000000000000 R12: ffffffffa6837d88
[  187.043374] R13: 0000000000000000 R14: 000000007fffffff R15: ffff8881025bfd38
[  187.043752] FS:  0000000000000000(0000) GS:ffff8881b295f000(0000) knlGS:0000000000000000
[  187.044287] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  187.044900] CR2: dffffc00000000c5 CR3: 0000000158ebc000 CR4: 00000000000006f0
[  187.046061] DR0: ffffffffa8867484 DR1: ffffffffa8867489 DR2: ffffffffa886748a
[  187.046578] DR3: ffffffffa886748b DR6: 00000000ffff0ff0 DR7: 0000000000000600
[  187.046979] Call Trace:
[  187.047424]  <TASK>
[  187.047753]  drm_test_rect_calc_vscale+0x108/0x270
[  187.048403]  ? __pfx_drm_test_rect_calc_vscale+0x10/0x10
[  187.048810]  ? __schedule+0x10cc/0x2b60
[  187.049547]  ? __pfx_read_tsc+0x10/0x10
[  187.049896]  ? ktime_get_ts64+0x86/0x230
[  187.050541]  kunit_try_run_case+0x1a5/0x480
[  187.050911]  ? __pfx_kunit_try_run_case+0x10/0x10
[  187.051308]  ? _raw_spin_lock_irqsave+0xa1/0x100
[  187.051622]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[  187.052376]  ? __kthread_parkme+0x82/0x180
[  187.052750]  ? preempt_count_sub+0x50/0x80
[  187.054033]  ? __pfx_kunit_try_run_case+0x10/0x10
[  187.054375]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[  187.054898]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[  187.055480]  kthread+0x337/0x6f0
[  187.055863]  ? trace_preempt_on+0x20/0xc0
[  187.056491]  ? __pfx_kthread+0x10/0x10
[  187.056805]  ? _raw_spin_unlock_irq+0x47/0x80
[  187.057134]  ? calculate_sigpending+0x7b/0xa0
[  187.058176]  ? __pfx_kthread+0x10/0x10
[  187.058634]  ret_from_fork+0x116/0x1d0
[  187.058983]  ? __pfx_kthread+0x10/0x10
[  187.059649]  ret_from_fork_asm+0x1a/0x30
[  187.059952]  </TASK>
[  187.060399] ---[ end trace 0000000000000000 ]---
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