From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-it1-f199.google.com (mail-it1-f199.google.com [209.85.166.199]) by kanga.kvack.org (Postfix) with ESMTP id D23B98E0001 for ; Sat, 22 Dec 2018 05:28:28 -0500 (EST) Received: by mail-it1-f199.google.com with SMTP id x3so7853248itb.6 for ; Sat, 22 Dec 2018 02:28:28 -0800 (PST) Received: from mail-sor-f41.google.com (mail-sor-f41.google.com. [209.85.220.41]) by mx.google.com with SMTPS id t195sor4803398iof.88.2018.12.22.02.28.27 for (Google Transport Security); Sat, 22 Dec 2018 02:28:27 -0800 (PST) MIME-Version: 1.0 References: <3ffe451b-1f17-23a5-985b-28d26fbaf7da@amd.com> <09781f6e-5ea3-ccfd-1aa2-79941b089863@amd.com> <9b87556e-ed4d-6ec0-2f98-a08469b7f35e@amd.com> <4a3060aa-2bc7-9845-0135-ddf27e90740e@amd.com> <96c70496-ce62-b162-187c-ff34ebb84ec2@amd.com> <5a413fa2-c3a4-d603-2069-fd27b22062cc@amd.com> In-Reply-To: <5a413fa2-c3a4-d603-2069-fd27b22062cc@amd.com> From: Mikhail Gavrilov Date: Sat, 22 Dec 2018 15:28:18 +0500 Message-ID: Subject: Re: After Vega 56/64 GPU hang I unable reboot system Content-Type: text/plain; charset="UTF-8" Sender: owner-linux-mm@kvack.org List-ID: To: "StDenis, Tom" Cc: "Grodzovsky, Andrey" , "Wentland, Harry" , "Deucher, Alexander" , "Koenig, Christian" , "linux-mm@kvack.org" , "amd-gfx@lists.freedesktop.org" On Thu, 20 Dec 2018 at 21:20, StDenis, Tom wrote: > > Sorry I didn't mean to be dismissive. It's just not a bug in umr though. > > On Fedora I can access those files as root just fine: > > tom@fx8:~$ sudo bash > [sudo] password for tom: > root@fx8:/home/tom# cd /sys/kernel/debug/dri/0 > root@fx8:/sys/kernel/debug/dri/0# xxd -e amdgpu_gca_config > 00000000: 00000003 00000001 00000004 0000000b ................ > 00000010: 00000001 00000002 00000004 00000100 ................ > 00000020: 00000020 00000008 00000020 00000100 ....... ....... > 00000030: 00000030 000004c0 00000000 00000003 0............... > 00000040: 00000000 00000000 00000000 00000000 ................ > 00000050: 00000000 00000000 24000042 00000002 ........B..$.... > 00000060: 00000001 00004100 017f9fcf 0000008e .....A.......... > 00000070: 00000001 000015dd 000000c6 0000d000 ................ > 00000080: 00001458 X... > root@fx8:/sys/kernel/debug/dri/0# > > There must be some sort of ACL or something going on here. > > Tom > Tom, which Fedora version do you tried and with which kernel? I am tried several kernels from old 4.19-rc2 to fresh 4.20-rc7 and every time when I tried run `# cat /sys/kernel/debug/dri/0/amdgpu_gca_config` I got message that "Operation not permitted". I try understand difference with our setups. If you use default kernel it means that kernel options between our setups are same. Difference only in hardware and mounted file systems. P.S. I am also tried ask how to manage ACL in debugfs in platform-driver-x86 mail list, but no one answer. -- Best Regards, Mike Gavrilov. From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3C200C43387 for ; Sat, 22 Dec 2018 10:28:30 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id C60A1219FE for ; Sat, 22 Dec 2018 10:28:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="XJEd3/JR" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C60A1219FE Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 204758E0002; Sat, 22 Dec 2018 05:28:29 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 1B49E8E0001; Sat, 22 Dec 2018 05:28:29 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 07D3D8E0002; Sat, 22 Dec 2018 05:28:29 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from mail-it1-f199.google.com (mail-it1-f199.google.com [209.85.166.199]) by kanga.kvack.org (Postfix) with ESMTP id D23B98E0001 for ; Sat, 22 Dec 2018 05:28:28 -0500 (EST) Received: by mail-it1-f199.google.com with SMTP id x3so7853248itb.6 for ; Sat, 22 Dec 2018 02:28:28 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:dkim-signature:mime-version:references :in-reply-to:from:date:message-id:subject:to:cc; bh=r8vBKEndYeU/DrOpU8FPkOtgVFGveNOgt2nB62lxSg4=; b=VrQZsA1tBmF32lKU7PEmQR/PT8d4kQr6NRE9+ah8wZp/Pn9aYDNvLZwiLgwAAhf33H BlhChpN4hteIE1rogpDZLoaEEYcznW74uM6v5HIrpujEc824spREtPiugZ2gfWJP39/x vg7VbYtP8HSrl1jySoEkMJHJOX4VcrsOA8ZHvMwG4lgh364M+zFb35brTrqyQWGwAUM9 NmRNCT4TbX4CXTpks739m/PCH7ZXlZVSajPc6xDM6LUlfpb1fRY8YBsOPW2cAPw1RmSD JwHt3RM7t19+KXJDMQBQ1LLp5c9KwGQSUOGQt0hIPxYhOd1mWA/gxmCw+dShWeJGWlGd ZZlg== X-Gm-Message-State: AA+aEWYJue6eZZ+3C7P3OtbgDlZx0p/+twoyAooWFru8YQ/5mL4f5NWr DX++YIkuvwAMZTYPEKTyLG2J+OerhAQxBAejS0DHf9pyLRj4Bk7cLeR4hVxSfLoBePXA3QLiiw7 kB8OnU7RI2iZ7FA7O2hGAN+rQsBE/Y3qiON2A29qV0KCWPZJBXzjtMVbzNk5iZAUYM0GlWK/YQC 9ljzcKT6voeKzt2ftY5/RMP3SfEtiYrfC3XdJOl/idkR2J/Q3B0KdjJU8cinLQLLUZ44zmNXBdO LqKiFpicboCWtOFKnCpvOIxmZBWjPbqT8eOqcX0b8OYtypm/aIiiGAqdRt0h8g8Ul7cm03XeOa8 jdC2WYK01fm4NqSRoAjyUPMvDVlEbCG3nj3thgvbbSeqfFCCcek6QKGOuEW0QL4skcsf1X60Oyu l X-Received: by 2002:a02:4511:: with SMTP id y17mr3748975jaa.56.1545474508525; Sat, 22 Dec 2018 02:28:28 -0800 (PST) X-Received: by 2002:a02:4511:: with SMTP id y17mr3748948jaa.56.1545474507575; Sat, 22 Dec 2018 02:28:27 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1545474507; cv=none; d=google.com; s=arc-20160816; b=kRwoKtMlGblbxGLA0YmXlOh0HPTPHAZalrnbUXOxrfEhAxHll6YmEHilF8hd4oZ3wO GX2/h6JLG3r85RV6307NztrY9gWfp9PwD6PEZp2Ow31eQTqZAbsVHGJgE6BxwnnW0VAV PTKx/4oyn6rv/gHg5bkPMV0gIYiliu1bHcbM8+s3NH7axANbyz22BjL/ZPJyGwwcvbZA JzZhvYQ1N0RHsFUebM8knuvycWUJvEZaAmeqxVkvprfSbYUgqekUhN3k9YphrtRxHSxT Nkdj1MvjNLSaIuCd9MXc7QPJLFoEh9V0dXimvXk0jRMpo+Q5ROV086PaFJWeLrrZf2oL A9Qg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:dkim-signature; bh=r8vBKEndYeU/DrOpU8FPkOtgVFGveNOgt2nB62lxSg4=; b=yW6xdRiaPalgMUYf/ZXxohZFDdFaKxSMk/DNIdn09dv0sJpxwohI6imsvuX2K98wWW Rh4W2GcLTYUlT1/HYRZ0ZgJomI6zMYKNYtlWeWMVUWpTCP4tDg2kVnEDeJvU2quRTp+P JWDQPKJ/6/Y2FWeOBvnxSZaAyZTSJGEDu3DUfSsnJ+rEagef27ZAH1YCS8z2LPEVnDlP di0rEF9YqmzNd7+GJgPbPmkkj6te42wqjYeb/uxCr8scPeZ8VjHiVm9bxdze3MYU2KNV sR0KqnJSvjrbGQIv4nZrfUPsrsKcOzX2mHyJ96WKBG82OcmCa7+QBVJ0Mq9SGRXq11J8 IZoQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b="XJEd3/JR"; spf=pass (google.com: domain of mikhail.v.gavrilov@gmail.com designates 209.85.220.41 as permitted sender) smtp.mailfrom=mikhail.v.gavrilov@gmail.com; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: from mail-sor-f41.google.com (mail-sor-f41.google.com. [209.85.220.41]) by mx.google.com with SMTPS id t195sor4803398iof.88.2018.12.22.02.28.27 for (Google Transport Security); Sat, 22 Dec 2018 02:28:27 -0800 (PST) Received-SPF: pass (google.com: domain of mikhail.v.gavrilov@gmail.com designates 209.85.220.41 as permitted sender) client-ip=209.85.220.41; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b="XJEd3/JR"; spf=pass (google.com: domain of mikhail.v.gavrilov@gmail.com designates 209.85.220.41 as permitted sender) smtp.mailfrom=mikhail.v.gavrilov@gmail.com; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=r8vBKEndYeU/DrOpU8FPkOtgVFGveNOgt2nB62lxSg4=; b=XJEd3/JRYKcpsfaFCMhjf+c/InJKM0a/MTV1PNyAg+VtvktrShefknEWl8JPWIRaqw GWksZniiyTX63lhdE2b5yjP5FTLozkk3mSf7oQNz1YDTQtOhguQxKWiRflEKwJGJ0wsb ULMuU9FA5eYXlNGlDSQkXw9wlCEV2J8hqrLh48T6L/JMaeqf4moc6ltSYvclARbLQxBd 3fjKwDNZJJdDJmwTeC6kfhNkX/S7Y92+Sk6p/H5gXMrJHJbJt1aZN+KXDJHy6DMleVIF GJPX+c8z9v0rViGbELJW3nJ3PNmRPyKZqUJZhbXDykGVFiucXLLCRUirQ4Q2mP+5pksR Nhgw== X-Google-Smtp-Source: ALg8bN7e4exUvOevPcYnaF5H32xvUF7ZRhL2MFzq9Kpfbis4X+Oam48Guock+97CY/dMFm69fwlyQ0j0hFLUZZKr8gw= X-Received: by 2002:a6b:c892:: with SMTP id y140mr3760449iof.192.1545474506776; Sat, 22 Dec 2018 02:28:26 -0800 (PST) MIME-Version: 1.0 References: <3ffe451b-1f17-23a5-985b-28d26fbaf7da@amd.com> <09781f6e-5ea3-ccfd-1aa2-79941b089863@amd.com> <9b87556e-ed4d-6ec0-2f98-a08469b7f35e@amd.com> <4a3060aa-2bc7-9845-0135-ddf27e90740e@amd.com> <96c70496-ce62-b162-187c-ff34ebb84ec2@amd.com> <5a413fa2-c3a4-d603-2069-fd27b22062cc@amd.com> In-Reply-To: <5a413fa2-c3a4-d603-2069-fd27b22062cc@amd.com> From: Mikhail Gavrilov Date: Sat, 22 Dec 2018 15:28:18 +0500 Message-ID: Subject: Re: After Vega 56/64 GPU hang I unable reboot system To: "StDenis, Tom" Cc: "Grodzovsky, Andrey" , "Wentland, Harry" , "Deucher, Alexander" , "Koenig, Christian" , "linux-mm@kvack.org" , "amd-gfx@lists.freedesktop.org" Content-Type: text/plain; charset="UTF-8" X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Message-ID: <20181222102818.7GjWZtE0_oBK-7fRdpV4RigOPtpSsRpZZSoETkOWn2M@z> On Thu, 20 Dec 2018 at 21:20, StDenis, Tom wrote: > > Sorry I didn't mean to be dismissive. It's just not a bug in umr though. > > On Fedora I can access those files as root just fine: > > tom@fx8:~$ sudo bash > [sudo] password for tom: > root@fx8:/home/tom# cd /sys/kernel/debug/dri/0 > root@fx8:/sys/kernel/debug/dri/0# xxd -e amdgpu_gca_config > 00000000: 00000003 00000001 00000004 0000000b ................ > 00000010: 00000001 00000002 00000004 00000100 ................ > 00000020: 00000020 00000008 00000020 00000100 ....... ....... > 00000030: 00000030 000004c0 00000000 00000003 0............... > 00000040: 00000000 00000000 00000000 00000000 ................ > 00000050: 00000000 00000000 24000042 00000002 ........B..$.... > 00000060: 00000001 00004100 017f9fcf 0000008e .....A.......... > 00000070: 00000001 000015dd 000000c6 0000d000 ................ > 00000080: 00001458 X... > root@fx8:/sys/kernel/debug/dri/0# > > There must be some sort of ACL or something going on here. > > Tom > Tom, which Fedora version do you tried and with which kernel? I am tried several kernels from old 4.19-rc2 to fresh 4.20-rc7 and every time when I tried run `# cat /sys/kernel/debug/dri/0/amdgpu_gca_config` I got message that "Operation not permitted". I try understand difference with our setups. If you use default kernel it means that kernel options between our setups are same. Difference only in hardware and mounted file systems. P.S. I am also tried ask how to manage ACL in debugfs in platform-driver-x86 mail list, but no one answer. -- Best Regards, Mike Gavrilov. From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mikhail Gavrilov Subject: Re: After Vega 56/64 GPU hang I unable reboot system Date: Sat, 22 Dec 2018 15:28:18 +0500 Message-ID: References: <3ffe451b-1f17-23a5-985b-28d26fbaf7da@amd.com> <09781f6e-5ea3-ccfd-1aa2-79941b089863@amd.com> <9b87556e-ed4d-6ec0-2f98-a08469b7f35e@amd.com> <4a3060aa-2bc7-9845-0135-ddf27e90740e@amd.com> <96c70496-ce62-b162-187c-ff34ebb84ec2@amd.com> <5a413fa2-c3a4-d603-2069-fd27b22062cc@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <5a413fa2-c3a4-d603-2069-fd27b22062cc-5C7GfCeVMHo@public.gmane.org> List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "amd-gfx" To: "StDenis, Tom" Cc: "Grodzovsky, Andrey" , "amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org" , "linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org" , "Deucher, Alexander" , "Wentland, Harry" , "Koenig, Christian" T24gVGh1LCAyMCBEZWMgMjAxOCBhdCAyMToyMCwgU3REZW5pcywgVG9tIDxUb20uU3REZW5pc0Bh bWQuY29tPiB3cm90ZToKPgo+IFNvcnJ5IEkgZGlkbid0IG1lYW4gdG8gYmUgZGlzbWlzc2l2ZS4g IEl0J3MganVzdCBub3QgYSBidWcgaW4gdW1yIHRob3VnaC4KPgo+IE9uIEZlZG9yYSBJIGNhbiBh Y2Nlc3MgdGhvc2UgZmlsZXMgYXMgcm9vdCBqdXN0IGZpbmU6Cj4KPiB0b21AZng4On4kIHN1ZG8g YmFzaAo+IFtzdWRvXSBwYXNzd29yZCBmb3IgdG9tOgo+IHJvb3RAZng4Oi9ob21lL3RvbSMgY2Qg L3N5cy9rZXJuZWwvZGVidWcvZHJpLzAKPiByb290QGZ4ODovc3lzL2tlcm5lbC9kZWJ1Zy9kcmkv MCMgeHhkIC1lIGFtZGdwdV9nY2FfY29uZmlnCj4gMDAwMDAwMDA6IDAwMDAwMDAzIDAwMDAwMDAx IDAwMDAwMDA0IDAwMDAwMDBiICAuLi4uLi4uLi4uLi4uLi4uCj4gMDAwMDAwMTA6IDAwMDAwMDAx IDAwMDAwMDAyIDAwMDAwMDA0IDAwMDAwMTAwICAuLi4uLi4uLi4uLi4uLi4uCj4gMDAwMDAwMjA6 IDAwMDAwMDIwIDAwMDAwMDA4IDAwMDAwMDIwIDAwMDAwMTAwICAgLi4uLi4uLiAuLi4uLi4uCj4g MDAwMDAwMzA6IDAwMDAwMDMwIDAwMDAwNGMwIDAwMDAwMDAwIDAwMDAwMDAzICAwLi4uLi4uLi4u Li4uLi4uCj4gMDAwMDAwNDA6IDAwMDAwMDAwIDAwMDAwMDAwIDAwMDAwMDAwIDAwMDAwMDAwICAu Li4uLi4uLi4uLi4uLi4uCj4gMDAwMDAwNTA6IDAwMDAwMDAwIDAwMDAwMDAwIDI0MDAwMDQyIDAw MDAwMDAyICAuLi4uLi4uLkIuLiQuLi4uCj4gMDAwMDAwNjA6IDAwMDAwMDAxIDAwMDA0MTAwIDAx N2Y5ZmNmIDAwMDAwMDhlICAuLi4uLkEuLi4uLi4uLi4uCj4gMDAwMDAwNzA6IDAwMDAwMDAxIDAw MDAxNWRkIDAwMDAwMGM2IDAwMDBkMDAwICAuLi4uLi4uLi4uLi4uLi4uCj4gMDAwMDAwODA6IDAw MDAxNDU4ICAgICAgICAgICAgICAgICAgICAgICAgICAgICBYLi4uCj4gcm9vdEBmeDg6L3N5cy9r ZXJuZWwvZGVidWcvZHJpLzAjCj4KPiBUaGVyZSBtdXN0IGJlIHNvbWUgc29ydCBvZiBBQ0wgb3Ig c29tZXRoaW5nIGdvaW5nIG9uIGhlcmUuCj4KPiBUb20KPgoKVG9tLCB3aGljaCBGZWRvcmEgdmVy c2lvbiBkbyB5b3UgdHJpZWQgYW5kIHdpdGggd2hpY2gga2VybmVsPwpJIGFtIHRyaWVkIHNldmVy YWwga2VybmVscyBmcm9tIG9sZCA0LjE5LXJjMiB0byBmcmVzaCA0LjIwLXJjNyBhbmQKZXZlcnkg dGltZSB3aGVuIEkgdHJpZWQgcnVuIGAjIGNhdAovc3lzL2tlcm5lbC9kZWJ1Zy9kcmkvMC9hbWRn cHVfZ2NhX2NvbmZpZ2AgSSBnb3QgbWVzc2FnZSB0aGF0CiJPcGVyYXRpb24gbm90IHBlcm1pdHRl ZCIuCkkgdHJ5IHVuZGVyc3RhbmQgZGlmZmVyZW5jZSB3aXRoIG91ciBzZXR1cHMuIElmIHlvdSB1 c2UgZGVmYXVsdCBrZXJuZWwKaXQgbWVhbnMgdGhhdCBrZXJuZWwgb3B0aW9ucyBiZXR3ZWVuIG91 ciBzZXR1cHMgYXJlIHNhbWUuIERpZmZlcmVuY2UKb25seSBpbiBoYXJkd2FyZSBhbmQgbW91bnRl ZCBmaWxlIHN5c3RlbXMuCgpQLlMuIEkgYW0gYWxzbyB0cmllZCBhc2sgaG93IHRvIG1hbmFnZSBB Q0wgaW4gZGVidWdmcyBpbgpwbGF0Zm9ybS1kcml2ZXIteDg2IG1haWwgbGlzdCwgYnV0IG5vIG9u ZSBhbnN3ZXIuCgotLQpCZXN0IFJlZ2FyZHMsCk1pa2UgR2F2cmlsb3YuCl9fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmFtZC1nZnggbWFpbGluZyBsaXN0CmFt ZC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3Jn L21haWxtYW4vbGlzdGluZm8vYW1kLWdmeAo=