From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 36E0C31D385; Tue, 9 Sep 2025 21:33:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.251.105.195 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757453622; cv=none; b=qK7VeYva6nqjDoPEqaIGyOnrSZe8ZJdRXIvwvvkfVfUeNdos9CAgnp55FoSA6Zo5kL8d5EttgmJ56aq1WFZZV0U0ws3RMpO/uT0zJsc5odxFnRBGsaG5P1iEk0TnOlmQ1JcVGT8dHmAZ/b0LiHJsoFNUq2kp2Qd0P10NU4aqIzA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757453622; c=relaxed/simple; bh=nOsRXuIezYAgPiiR/YaK8zOyx8Hk/0DFgm4DOiE9K1g=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=q8TfOg2g1V0CMVL6gnRDBYAv+F6v25a/jCK8w8STnQthRm+GjMIjfGvXj+e+o4x4NH9HoKKDLhF6cczsmrjaJiiTR323qL0zHaJAa/H5EOp1QGZ4XdeoQfsD3eCzBpU+S42BOvgT9IMTye5Uzazkdk2MmAfvjvYVBVbGl+8g3co= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=CR1KpVHU; arc=none smtp.client-ip=148.251.105.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="CR1KpVHU" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1757453618; bh=nOsRXuIezYAgPiiR/YaK8zOyx8Hk/0DFgm4DOiE9K1g=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=CR1KpVHUhwSkJG/ycUCPbqIjdy3q5XO0TkIRV8Hk+0G7QHodlbShpBvxJ2OsWdNqc lcBjr9DQ1lvE0Y3syiyXf33/rh2gmhtxe3PRVK0w/fYxsj12BqrQDFrl1iBHUConMW mnRUCN2hjCddIFYX4BgHiC4wakzZ54FakE+DHEsEwxN2Z3gZekTtFCYFX0pVZ7sJYI Gz9ofywDa0uLQvG4swtyJTM8r/aTcMC1BpH7bwZlq1sx4i948e4UdhvpGl4pYTX2qQ CMGwcjZ/1N6L8B4BrBrk/p41NT3RhsxFe3Q/6R3pMYG30yKO63QN962ZwWnOe8ujLK wQtUdJRGfjUDw== Received: from [IPv6:2606:6d00:15:d961::5ac] (unknown [IPv6:2606:6d00:15:d961::5ac]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: nicolas) by bali.collaboradmins.com (Postfix) with ESMTPSA id 1EF8517E0489; Tue, 9 Sep 2025 23:33:37 +0200 (CEST) Message-ID: <48540d8ee22cf747d2dd591a7869baf1cba6719e.camel@collabora.com> Subject: Re: [PATCH v3 0/4] Performance improvement of decoder From: Nicolas Dufresne To: "jackson.lee" , "mchehab@kernel.org" , "hverkuil-cisco@xs4all.nl" , "bob.beckett@collabora.com" Cc: "linux-media@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "lafley.kim" , "b-brnich@ti.com" , "hverkuil@xs4all.nl" , Nas Chung Date: Tue, 09 Sep 2025 17:33:34 -0400 In-Reply-To: References: <20250623002153.51-1-jackson.lee@chipsnmedia.com> Autocrypt: addr=nicolas.dufresne@collabora.com; prefer-encrypt=mutual; keydata=mDMEaCN2ixYJKwYBBAHaRw8BAQdAM0EHepTful3JOIzcPv6ekHOenE1u0vDG1gdHFrChD /e0J05pY29sYXMgRHVmcmVzbmUgPG5pY29sYXNAbmR1ZnJlc25lLmNhPoicBBMWCgBEAhsDBQsJCA cCAiICBhUKCQgLAgQWAgMBAh4HAheABQkJZfd1FiEE7w1SgRXEw8IaBG8S2UGUUSlgcvQFAmibrjo CGQEACgkQ2UGUUSlgcvQlQwD/RjpU1SZYcKG6pnfnQ8ivgtTkGDRUJ8gP3fK7+XUjRNIA/iXfhXMN abIWxO2oCXKf3TdD7aQ4070KO6zSxIcxgNQFtDFOaWNvbGFzIER1ZnJlc25lIDxuaWNvbGFzLmR1Z nJlc25lQGNvbGxhYm9yYS5jb20+iJkEExYKAEECGwMFCwkIBwICIgIGFQoJCAsCBBYCAwECHgcCF4 AWIQTvDVKBFcTDwhoEbxLZQZRRKWBy9AUCaCyyxgUJCWX3dQAKCRDZQZRRKWBy9ARJAP96pFmLffZ smBUpkyVBfFAf+zq6BJt769R0al3kHvUKdgD9G7KAHuioxD2v6SX7idpIazjzx8b8rfzwTWyOQWHC AAS0LU5pY29sYXMgRHVmcmVzbmUgPG5pY29sYXMuZHVmcmVzbmVAZ21haWwuY29tPoiZBBMWCgBBF iEE7w1SgRXEw8IaBG8S2UGUUSlgcvQFAmibrGYCGwMFCQll93UFCwkIBwICIgIGFQoJCAsCBBYCAw ECHgcCF4AACgkQ2UGUUSlgcvRObgD/YnQjfi4+L8f4fI7p1pPMTwRTcaRdy6aqkKEmKsCArzQBAK8 bRLv9QjuqsE6oQZra/RB4widZPvphs78H0P6NmpIJ Organization: Collabora Canada Content-Type: multipart/signed; micalg="pgp-sha512"; protocol="application/pgp-signature"; boundary="=-+sP4moG1Rb9SMwzbCOv5" User-Agent: Evolution 3.56.2 (3.56.2-1.fc42) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 --=-+sP4moG1Rb9SMwzbCOv5 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Le mardi 09 septembre 2025 =C3=A0 06:16 +0000, jackson.lee a =C3=A9crit=C2= =A0: > > I tried and reproduce your results. I've used an ISOMP4 file, nothing b= ig, > > 720p 10min video. After 30s of seeking back and forth I've got a deadlo= ck, > > with the following kernel log: > >=20 > > vdec 4210000.video-codec: wave5_vpu_firmware_command_queue_error_check: > > still running: 0x1000 > >=20 > > I don't know if its worse then before, but the bug is severe enough to = be > > concern. To reproduce easily, I pick a longer video, seek forward close= to > > the end, and then seek back (gst-play so smaller steps back) very quick= ly > > till it reaches position 0, and repeat. > >=20 > > This happened without resolution change happening concurrent to seeks, > > just a flat, single resolution video. Once I do the same test with an > > agressive DRC in place, I hit kernel crash. I will share in private ema= il > > the DRC H.264 sample I'm using, and how to make it bigger so its manual= ly > > seekable. > >=20 >=20 > I tried to reproduce this problem, but I am seeing a different phenomenon= . > Can you let me know your Gstreamer version you are using ? GStreamer 1.26.5. I retested today and did not reproduce the crash this tim= e, but did get the "still running" message and stall (recoverable though). You= have to try really hard, it might be worth automating a tests, so it can be more agressive. Nicolas --=-+sP4moG1Rb9SMwzbCOv5 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQTvDVKBFcTDwhoEbxLZQZRRKWBy9AUCaMCdLgAKCRDZQZRRKWBy 9JZnAP4hb3FwCcpT20b6A0Yu7UItiHm4oMfM64MEttU/pPbqQwEAz+vYyNqLYDaC SIBQ6O82pVLi3aviCR/6aWIDXxZkIwo= =T58A -----END PGP SIGNATURE----- --=-+sP4moG1Rb9SMwzbCOv5--