From: Florian Echtler <floe@butterbrot.org>
To: Linux Media Mailing List <linux-media@vger.kernel.org>
Subject: Backtrace in media_pipeline_stop with bcm2835-unicam
Date: Tue, 28 Mar 2023 09:42:24 +0200 [thread overview]
Message-ID: <d5bc46ad-0eb6-54f5-2e9e-7dd2d49ac9c9@butterbrot.org> (raw)
[-- Attachment #1.1: Type: text/plain, Size: 2850 bytes --]
Hello everyone,
I'm running a Raspberry Pi with HQ camera as timelapse webcam. Everything seems
to be working fine, so this is probably relatively low priority, but I still
wanted to mention that I'm getting the following backtrace in
media_pipeline_stop for every picture taken with libcamera:
[244731.171175] ------------[ cut here ]------------
[244731.171210] WARNING: CPU: 0 PID: 900 at drivers/media/mc/mc-entity.c:873
media_pipeline_stop+0x28/0x34 [mc]
[244731.171417] Modules linked in: cmac algif_hash aes_arm aes_generic ecb
algif_skcipher af_alg bnep imx477 hci_uart btbcm bluetooth brcmfmac ecdh_generic
ecc libaes vc4 brcmutil sha256_generic libsha256 snd_soc_hdmi_codec 8021q garp
stp llc drm_display_helper cec cfg80211 drm_dma_helper drm_kms_helper
snd_soc_core bcm2835_unicam snd_compress v4l2_dv_timings snd_pcm_dmaengine
syscopyarea v4l2_fwnode sysfillrect sysimgblt bcm2835_codec(C) i2c_mux_pinctrl
fb_sys_fops i2c_mux raspberrypi_hwmon v4l2_async bcm2835_v4l2(C) bcm2835_isp(C)
v4l2_mem2mem bcm2835_mmal_vchiq(C) rfkill videobuf2_vmalloc videobuf2_dma_contig
videobuf2_memops videobuf2_v4l2 videobuf2_common snd_bcm2835(C) videodev snd_pcm
snd_timer i2c_bcm2835 snd vc_sm_cma(C) mc uio_pdrv_genirq uio fixed drm fuse
drm_panel_orientation_quirks backlight ip_tables x_tables ipv6
[244731.171829] CPU: 0 PID: 900 Comm: raspberry_fakeh Tainted: G WC
6.1.19+ #1637
[244731.171848] Hardware name: BCM2835
[244731.171865] unwind_backtrace from show_stack+0x18/0x1c
[244731.171904] show_stack from dump_stack_lvl+0x34/0x58
[244731.171934] dump_stack_lvl from __warn+0x7c/0xf8
[244731.171967] __warn from warn_slowpath_fmt+0x60/0xcc
[244731.172002] warn_slowpath_fmt from media_pipeline_stop+0x28/0x34 [mc]
[244731.172150] media_pipeline_stop [mc] from unicam_stop_streaming+0x88/0x168
[bcm2835_unicam]
[244731.172343] unicam_stop_streaming [bcm2835_unicam] from
__vb2_queue_cancel+0x30/0x284 [videobuf2_common]
[244731.172554] __vb2_queue_cancel [videobuf2_common] from
vb2_core_streamoff+0x20/0xb8 [videobuf2_common]
[244731.172739] vb2_core_streamoff [videobuf2_common] from
__video_do_ioctl+0x224/0x458 [videodev]
[244731.173460] __video_do_ioctl [videodev] from video_usercopy+0x118/0x574
[videodev]
[244731.174268] video_usercopy [videodev] from sys_ioctl+0x10c/0x90c
[244731.174705] sys_ioctl from ret_fast_syscall+0x0/0x1c
[244731.174732] Exception stack(0xdc905fa8 to 0xdc905ff0)
[244731.174752] 5fa0: a4311ef0 a430d65c 0000000f 40045613
a4312f30 00000000
[244731.174770] 5fc0: a4311ef0 a430d65c a430d670 00000036 0238e568 00000000
b6e90134 0238e508
[244731.174783] 5fe0: a52b9d44 a4cc770c a5237940 b6d0dd4c
[244731.174795] ---[ end trace 0000000000000000 ]---
Best, Florian
--
SENT FROM MY DEC VT50 TERMINAL
[-- Attachment #2: OpenPGP digital signature --]
[-- Type: application/pgp-signature, Size: 203 bytes --]
next reply other threads:[~2023-03-28 7:52 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-28 7:42 Florian Echtler [this message]
2023-03-28 8:59 ` Backtrace in media_pipeline_stop with bcm2835-unicam Dave Stevenson
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=d5bc46ad-0eb6-54f5-2e9e-7dd2d49ac9c9@butterbrot.org \
--to=floe@butterbrot.org \
--cc=linux-media@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.