Messages in this thread | | | Subject | Re: [drm/fb] 6a1b34c0a3: WARNING:at_drivers/gpu/drm/drm_fb_helper.c:#drm_fb_helper_damage_work | From | Thomas Zimmermann <> | Date | Tue, 24 Nov 2020 10:56:02 +0100 |
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Hi
Am 24.11.20 um 02:58 schrieb Xing Zhengjun: > > > On 11/23/2020 4:04 PM, Thomas Zimmermann wrote: >> Hi >> >> Am 22.11.20 um 15:18 schrieb kernel test robot: >>> >>> Greeting, >>> >>> FYI, we noticed the following commit (built with gcc-9): >>> >>> commit: 6a1b34c0a339fdc75d7932ad5702f2177c9d7a1c ("drm/fb-helper: >>> Move damage blit code and its setup into separate routine") >>> url: >>> https://github.com/0day-ci/linux/commits/Thomas-Zimmermann/drm-fb-helper-Various-fixes-and-cleanups/20201120-182750 >>> >>> >>> >>> in testcase: trinity >>> version: trinity-static-i386-x86_64-f93256fb_2019-08-28 >>> with following parameters: >>> >>> runtime: 300s >>> >>> test-description: Trinity is a linux system call fuzz tester. >>> test-url: http://codemonkey.org.uk/projects/trinity/ >>> >>> >>> on test machine: qemu-system-i386 -enable-kvm -cpu SandyBridge -smp 2 >>> -m 8G >>> >>> caused below changes (please refer to attached dmesg/kmsg for entire >>> log/backtrace): >> >> That dmesg is full of messages like >> >> [ 696.323556] alloc_vmap_area: 24 callbacks suppressed >> [ 696.323562] vmap allocation for size 3149824 failed: use >> vmalloc=<size> to increase size >> >> I think the test system needs to be reconfigured first. >> > > We have tried "vmalloc=256M" and "vmalloc=512M", the same warning still > happened.
I added a more descriptive error message before pushing the patch. This may help to find the problem's cause.
Best regards Thomas
> > >> Best regards >> Thomas >> >>> >>> >>> +-----------------------------------------------------------------------+------------+------------+ >>> >>> | >>> | 154f2d1afd | 6a1b34c0a3 | >>> +-----------------------------------------------------------------------+------------+------------+ >>> >>> | >>> WARNING:at_drivers/gpu/drm/drm_fb_helper.c:#drm_fb_helper_damage_work >>> | 0 | 36 | >>> | EIP:drm_fb_helper_damage_work | 0 | 36 | >>> +-----------------------------------------------------------------------+------------+------------+ >>> >>> >>> >>> If you fix the issue, kindly add following tag >>> Reported-by: kernel test robot <oliver.sang@intel.com> >>> >>> >>> [ 106.616652] WARNING: CPU: 1 PID: 173 at >>> drivers/gpu/drm/drm_fb_helper.c:434 >>> drm_fb_helper_damage_work+0x371/0x390 >>> [ 106.627732] Modules linked in: >>> [ 106.632419] CPU: 1 PID: 173 Comm: kworker/1:2 Not tainted >>> 5.10.0-rc4-next-20201120-00007-g6a1b34c0a339 #3 >>> [ 106.637806] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), >>> BIOS 1.12.0-1 04/01/2014 >>> [ 106.642853] Workqueue: events drm_fb_helper_damage_work >>> [ 106.647664] EIP: drm_fb_helper_damage_work+0x371/0x390 >>> [ 106.652305] Code: b1 17 c7 01 68 bd 5b 2d c5 53 50 68 55 21 2d c5 >>> 83 15 44 b1 17 c7 00 e8 ae bc b1 01 83 05 48 b1 17 c7 01 83 15 4c b1 >>> 17 c7 00 <0f> 0b 83 05 50 b1 17 c7 01 83 15 54 b1 17 c7 00 83 c4 10 >>> e9 78 fd >>> [ 106.663517] EAX: 0000002d EBX: c8730520 ECX: 00000847 EDX: 00000000 >>> [ 106.668423] ESI: ca987000 EDI: cab274d8 EBP: f62f5f20 ESP: f62f5ee8 >>> [ 106.673214] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 EFLAGS: >>> 00010246 >>> [ 106.678295] CR0: 80050033 CR2: 00000000 CR3: 063a7000 CR4: 000406d0 >>> [ 106.683160] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000 >>> [ 106.687967] DR6: fffe0ff0 DR7: 00000400 >>> [ 106.690763] Call Trace: >>> [ 106.693394] process_one_work+0x3ea/0xaa0 >>> [ 106.693501] ixgbevf: Intel(R) 10 Gigabit PCI Express Virtual >>> Function Network Driver >>> [ 106.695300] worker_thread+0x330/0x900 >>> [ 106.697406] ixgbevf: Copyright (c) 2009 - 2018 Intel Corporation. >>> [ 106.702963] kthread+0x190/0x210 >>> [ 106.705709] ? rescuer_thread+0x650/0x650 >>> [ 106.708379] ? kthread_insert_work_sanity_check+0x120/0x120 >>> [ 106.711271] ret_from_fork+0x1c/0x30 >>> [ 106.713973] ---[ end trace dd528799d3369ac1 ]--- >>> >>> >>> To reproduce: >>> >>> # build kernel >>> cd linux >>> cp config-5.10.0-rc4-next-20201120-00007-g6a1b34c0a339 .config >>> make HOSTCC=gcc-9 CC=gcc-9 ARCH=i386 olddefconfig prepare >>> modules_prepare bzImage >>> >>> git clone https://github.com/intel/lkp-tests.git >>> cd lkp-tests >>> bin/lkp qemu -k <bzImage> job-script # job-script is >>> attached in this email >>> >>> >>> >>> Thanks, >>> Oliver Sang >>> >> >> >> _______________________________________________ >> LKP mailing list -- lkp@lists.01.org >> To unsubscribe send an email to lkp-leave@lists.01.org >> >
-- Thomas Zimmermann Graphics Driver Developer SUSE Software Solutions Germany GmbH Maxfeldstr. 5, 90409 Nürnberg, Germany (HRB 36809, AG Nürnberg) Geschäftsführer: Felix Imendörffer [unhandled content-type:application/pgp-keys][unhandled content-type:application/pgp-signature] | |