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Thread-Topic: bug: usb: gadget: FSL_UDC_CORE Corrupted request list leads to unrecoverable loop. 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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: infinera.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: PH0PR10MB4615.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 5ace759d-5df1-411a-ba7a-08d9f2c86389 X-MS-Exchange-CrossTenant-originalarrivaltime: 18 Feb 2022 10:21:12.5425 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 285643de-5f5b-4b03-a153-0ae2dc8aaf77 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: xpQcWeavhCK9vynp9ut2gLI0fjG5pnedxbHWlxcLYxj4bd6MuhGRba5pKwD8VW+Z02wrzM+Hre00e84QCxZ+8g== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR10MB3964 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "gregkh@linuxfoundation.org" , "balbi@kernel.org" Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" I think you could apply them as is, only criticism was the commit msgs.=0A= =0A= Jocke=0A= =0A= ________________________________________=0A= From: Thorsten Leemhuis =0A= Sent: 18 February 2022 08:11=0A= To: Leo Li; Joakim Tjernlund; Eugene_Bordenkircher@selinc.com; linux-usb@vg= er.kernel.org; linuxppc-dev@lists.ozlabs.org=0A= Cc: gregkh@linuxfoundation.org; balbi@kernel.org=0A= Subject: Re: bug: usb: gadget: FSL_UDC_CORE Corrupted request list leads to= unrecoverable loop.=0A= =0A= Hi, this is your Linux kernel regression tracker speaking. Top-posting=0A= for once, to make this easy accessible to everyone.=0A= =0A= Sadly it looks to me like nobody is going to address this (quite old)=0A= regression (that afaic only very few people will hit), despite the rough=0A= patch to fix it that was already posted and tested in this thread.=0A= =0A= Well, guess that's how it is sometimes. Marking it as "on back burner"=0A= in regzbot to reduce the noise there:=0A= =0A= #regzbot backburner: Tested patch available, but things nevertheless got=0A= stuck=0A= =0A= Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)=0A= =0A= P.S.: As the Linux kernel's regression tracker I'm getting a lot of=0A= reports on my table. I can only look briefly into most of them and lack=0A= knowledge about most of the areas they concern. I thus unfortunately=0A= will sometimes get things wrong or miss something important. I hope=0A= that's not the case here; if you think it is, don't hesitate to tell me=0A= in a public reply, it's in everyone's interest to set the public record=0A= straight.=0A= =0A= #regzbot poke=0A= =0A= =0A= =0A= On 20.01.22 13:54, Thorsten Leemhuis wrote:=0A= > Hi, this is your Linux kernel regression tracker speaking.=0A= >=0A= > On 04.12.21 01:40, Leo Li wrote:=0A= >>> -----Original Message-----=0A= >>> From: Joakim Tjernlund =0A= >>> Sent: Thursday, December 2, 2021 4:45 PM=0A= >>> To: regressions@leemhuis.info; Leo Li ;=0A= >>> Eugene_Bordenkircher@selinc.com; linux-usb@vger.kernel.org; linuxppc-= =0A= >>> dev@lists.ozlabs.org=0A= >>> Cc: gregkh@linuxfoundation.org; balbi@kernel.org=0A= >>> Subject: Re: bug: usb: gadget: FSL_UDC_CORE Corrupted request list lead= s to=0A= >>> unrecoverable loop.=0A= >>>=0A= >>> On Thu, 2021-12-02 at 20:35 +0000, Leo Li wrote:=0A= >>>>=0A= >>>>> -----Original Message-----=0A= >>>>> From: Joakim Tjernlund =0A= >>>>> Sent: Wednesday, December 1, 2021 8:19 AM=0A= >>>>> To: regressions@leemhuis.info; Leo Li ;=0A= >>>>> Eugene_Bordenkircher@selinc.com; linux-usb@vger.kernel.org;=0A= >>>>> linuxppc- dev@lists.ozlabs.org=0A= >>>>> Cc: gregkh@linuxfoundation.org; balbi@kernel.org=0A= >>>>> Subject: Re: bug: usb: gadget: FSL_UDC_CORE Corrupted request list=0A= >>>>> leads to unrecoverable loop.=0A= >>>>>=0A= >>>>> On Tue, 2021-11-30 at 12:56 +0100, Joakim Tjernlund wrote:=0A= >>>>>> On Mon, 2021-11-29 at 23:48 +0000, Eugene Bordenkircher wrote:=0A= >>>>>>> Agreed,=0A= >>>>>>>=0A= >>>>>>> We are happy pick up the torch on this, but I'd like to try and=0A= >>>>>>> hear from=0A= >>>>> Joakim first before we do. The patch set is his, so I'd like to=0A= >>>>> give him the opportunity. I think he's the only one that can add a= =0A= >>>>> truly proper description as well because he mentioned that this=0A= >>>>> includes a "few more fixes" than just the one we ran into. I'd=0A= >>>>> rather hear from him than try to reverse engineer what was being=0A= >>> addressed.=0A= >>>>>>>=0A= >>>>>>> Joakim, if you are still watching the thread, would you like to=0A= >>>>>>> take a stab=0A= >>>>> at it? If I don't hear from you in a couple days, we'll pick up the= =0A= >>>>> torch and do what we can.=0A= >=0A= > Did anything happen? Sure, it's a old regression from the v3.4-rc4 days,= =0A= > but there iirc was already a tested proto-patch in that thread that=0A= > fixes the issue. Or was progress made and I just missed it?=0A= >=0A= > Ciao, Thorsten=0A= >=0A= > P.S.: As a Linux kernel regression tracker I'm getting a lot of reports= =0A= > on my table. I can only look briefly into most of them. Unfortunately=0A= > therefore I sometimes will get things wrong or miss something important.= =0A= > I hope that's not the case here; if you think it is, don't hesitate to=0A= > tell me about it in a public reply, that's in everyone's interest.=0A= >=0A= > BTW, I have no personal interest in this issue, which is tracked using=0A= > regzbot, my Linux kernel regression tracking bot=0A= > (https://nam11.safelinks.protection.outlook.com/?url=3Dhttps%3A%2F%2Flinu= x-regtracking.leemhuis.info%2Fregzbot%2F&data=3D04%7C01%7Cjoakim.tjernl= und%40infinera.com%7C8784242cb55d4627e61608d9f2adec23%7C285643de5f5b4b03a15= 30ae2dc8aaf77%7C1%7C0%7C637807651100768999%7CUnknown%7CTWFpbGZsb3d8eyJWIjoi= MC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata= =3DdQS2xwqJjHY4DqSawLZKoe0XZaBAqPLul5YgPdQWFio%3D&reserved=3D0). I'm on= ly posting=0A= > this mail to get things rolling again and hence don't need to be CC on=0A= > all further activities wrt to this regression.=0A= >=0A= > #regzbot ignore-activity=0A= >=0A= >>>>>> I am far away from this now and still on 4.19. I don't mind if you= =0A= >>>>>> tweak=0A= >>>>> tweak the patches for better "upstreamability"=0A= >>>>>=0A= >>>>> Even better would be to migrate to the chipidea driver, I am told=0A= >>>>> just a few tweaks are needed but this is probably something NXP=0A= >>>>> should do as they have access to other SOC's using chipidea.=0A= >>>>=0A= >>>> I agree with this direction but the problem was with bandwidth. As th= is=0A= >>> controller was only used on legacy platforms, it is harder to justify n= ew effort=0A= >>> on it now.=0A= >>>=0A= >>> Legacy? All PPC is legacy and not supported now?=0A= >>=0A= >> I'm not saying that they are not supported, but they are in maintenance = only mode.=0A=