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[193.206.67.163]) by smtp.gmail.com with ESMTPSA id t14sm21084477wrr.33.2019.06.05.00.36.09 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Wed, 05 Jun 2019 00:36:09 -0700 (PDT) Message-ID: <9b013238be4e3c63e33181a954d1ecc3287d22e4.camel@unipv.it> Subject: Re: Slow I/O on USB media From: Andrea Vai To: Greg KH Cc: linux-usb@vger.kernel.org Date: Wed, 05 Jun 2019 09:36:04 +0200 In-Reply-To: <20190604054300.GE1588@kroah.com> References: <2a9e1be71a2c6c940dac904752fdd34129745444.camel@unipv.it> <20190530132522.GA21005@kroah.com> <86676f40a8c1aa44bf5799eac6019183d6d33336.camel@unipv.it> <20190604054300.GE1588@kroah.com> Content-Type: multipart/mixed; boundary="=-cTNppwRX7+7P17Ih7f4+" User-Agent: Evolution 3.30.5 (3.30.5-1.fc29) MIME-Version: 1.0 Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org --=-cTNppwRX7+7P17Ih7f4+ Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Hi, Il giorno mar, 04/06/2019 alle 07.43 +0200, Greg KH ha scritto: > On Mon, Jun 03, 2019 at 01:13:48PM +0200, Andrea Vai wrote: > > Il giorno gio, 30/05/2019 alle 06.25 -0700, Greg KH ha scritto: > > > [...] > > Hi, > > > > > Any chance you can use 'git bisect' to find the offending > commit? > > Yes, I am doing it as I managed to build the kernel from source > > Great! What did you find? # first bad commit: [534903d60376b4989b76ec445630aa10f2bc3043] drm/atomic: Use explicit old crtc state in drm_atomic_add_affected_planes() By the way, as I am not expert, is there a way to double-check that I bisected correctly? (such as, e.g., test with the version before this one, and then with this commit applied?) Attached: "git bisect log" output. Thanks, and bye, Andrea --=-cTNppwRX7+7P17Ih7f4+ Content-Disposition: attachment; filename="bisectlog.txt" Content-Transfer-Encoding: base64 Content-Type: text/plain; name="bisectlog.txt"; charset="UTF-8" Z2l0IGJpc2VjdCBzdGFydAojIGJhZDogW2NkNmM4NGQ4ZjBjZGM5MTFkZjQzNWJiMDc1YmEyMmNl M2M2MDViMDddIExpbnV4IDUuMi1yYzIKZ2l0IGJpc2VjdCBiYWQgY2Q2Yzg0ZDhmMGNkYzkxMWRm NDM1YmIwNzViYTIyY2UzYzYwNWIwNwojIGdvb2Q6IFs4ZmUyOGNiNThiY2IyMzUwMzRiNjRjYmJi NzU1MGE4YTQzZmQ4OGJlXSBMaW51eCA0LjIwCmdpdCBiaXNlY3QgZ29vZCA4ZmUyOGNiNThiY2Iy MzUwMzRiNjRjYmJiNzU1MGE4YTQzZmQ4OGJlCiMgYmFkOiBbZDcyY2I4YzdkOWRiZDljZTgyMGM4 MGYzZmRkYjU2YjI5NmJhOTZmY10gTWVyZ2UgdGFnICdyaXNjdi1mb3ItbGludXMtNS4xLW13MCcg b2YgZ2l0Oi8vZ2l0Lmtlcm5lbC5vcmcvcHViL3NjbS9saW51eC9rZXJuZWwvZ2l0L3BhbG1lci9y aXNjdi1saW51eApnaXQgYmlzZWN0IGJhZCBkNzJjYjhjN2Q5ZGJkOWNlODIwYzgwZjNmZGRiNTZi Mjk2YmE5NmZjCiMgYmFkOiBbYzliZWY0YTY1MTc2OTkyNzQ0NTkwMDU2NDc4MWE5Yzk5ZmRmNjI1 OF0gTWVyZ2UgdGFnICdwaW5jdHJsLXY0LjIxLTEnIG9mIGdpdDovL2dpdC5rZXJuZWwub3JnL3B1 Yi9zY20vbGludXgva2VybmVsL2dpdC9saW51c3cvbGludXgtcGluY3RybApnaXQgYmlzZWN0IGJh ZCBjOWJlZjRhNjUxNzY5OTI3NDQ1OTAwNTY0NzgxYTljOTlmZGY2MjU4CiMgYmFkOiBbZTBjMzhh NGQxZjE5NmE0YjE3ZDJlYmEzNmFmZmY4ZjY1NmE0ZjFkZV0gTWVyZ2UgZ2l0Oi8vZ2l0Lmtlcm5l bC5vcmcvcHViL3NjbS9saW51eC9rZXJuZWwvZ2l0L2RhdmVtL25ldC1uZXh0CmdpdCBiaXNlY3Qg YmFkIGUwYzM4YTRkMWYxOTZhNGIxN2QyZWJhMzZhZmZmOGY2NTZhNGYxZGUKIyBiYWQ6IFtjMmYx ZjNlMGUxN2Q5NGFiMGM2NmQ4M2U2Njk0OTJjYjllOWEzNjk4XSBNZXJnZSBnaXQ6Ly9naXQua2Vy bmVsLm9yZy9wdWIvc2NtL2xpbnV4L2tlcm5lbC9naXQvZGF2ZW0vc3BhcmMtbmV4dApnaXQgYmlz ZWN0IGJhZCBjMmYxZjNlMGUxN2Q5NGFiMGM2NmQ4M2U2Njk0OTJjYjllOWEzNjk4CiMgYmFkOiBb YjNjYzJiZmU3MjQ0ZTg0OGY1ZThjYWE3N2JiZGM3MmMwNGFiZDE3Y10gTWVyZ2UgdGFnICdpM2Mv Zm9yLTQuMjEnIG9mIGdpdDovL2dpdC5rZXJuZWwub3JnL3B1Yi9zY20vbGludXgva2VybmVsL2dp dC9pM2MvbGludXgKZ2l0IGJpc2VjdCBiYWQgYjNjYzJiZmU3MjQ0ZTg0OGY1ZThjYWE3N2JiZGM3 MmMwNGFiZDE3YwojIGdvb2Q6IFsyYWM1ZTM4ZWE0MjAzODUyZDZlOTllZGQzY2YxMWYwNDRiMGE0 MDlmXSBNZXJnZSBkcm0vZHJtLW5leHQgaW50byBkcm0taW50ZWwtbmV4dC1xdWV1ZWQKZ2l0IGJp c2VjdCBnb29kIDJhYzVlMzhlYTQyMDM4NTJkNmU5OWVkZDNjZjExZjA0NGIwYTQwOWYKIyBiYWQ6 IFtmYjg3OGQxMDZiNzczOGFlN2NkYjUxM2Y5ODg3NmIyMmJkNmE0ODVmXSBNZXJnZSB0YWcgJ2V4 eW5vcy1kcm0tbmV4dC1mb3ItdjQuMjEnIG9mIGdpdDovL2dpdC5rZXJuZWwub3JnL3B1Yi9zY20v bGludXgva2VybmVsL2dpdC9kYWVpbmtpL2RybS1leHlub3MgaW50byBkcm0tbmV4dApnaXQgYmlz ZWN0IGJhZCBmYjg3OGQxMDZiNzczOGFlN2NkYjUxM2Y5ODg3NmIyMmJkNmE0ODVmCiMgYmFkOiBb ODE4MTgyZGQxMDk3ZmRjNDkyYWFlZjliMDg3NTVlYTEzMjc0MzUyZF0gTWVyZ2UgdGFnICdpbXgt ZHJtLW5leHQtMjAxOC0xMi0wMycgb2YgZ2l0Oi8vZ2l0LnBlbmd1dHJvbml4LmRlL2dpdC9wemEv bGludXggaW50byBkcm0tbmV4dApnaXQgYmlzZWN0IGJhZCA4MTgxODJkZDEwOTdmZGM0OTJhYWVm OWIwODc1NWVhMTMyNzQzNTJkCiMgYmFkOiBbYWU0YmExOTM2YWI5N2M2YTI3MzNhMjQzMzcwZjMw M2RhM2MxMTgzOV0gZHJtL3N1bjRpOiBmcm9udGVuZDogRGV0ZXJtaW5lIGlucHV0IG1vZGUgYmFz ZWQgb24gdGhlIG51bWJlciBvZiBwbGFuZXMKZ2l0IGJpc2VjdCBiYWQgYWU0YmExOTM2YWI5N2M2 YTI3MzNhMjQzMzcwZjMwM2RhM2MxMTgzOQojIGJhZDogW2IzOWI1Mzk0ZmFiYzc5YWNiYWFmYjI2 Yjc3N2ZkMzQ4Yzg2OGJmN2VdIGRybS9nZW06IEFkZCBkcm1fZ2VtX29iamVjdF9mdW5jcwpnaXQg YmlzZWN0IGJhZCBiMzliNTM5NGZhYmM3OWFjYmFhZmIyNmI3NzdmZDM0OGM4NjhiZjdlCiMgYmFk OiBbN2RiNjQ3YWE4YjEzNDA1OWMzYjhmMjZiMWRkMmUxYWE1YjkxZTJjYV0gZHJtL21lc29uOiBB ZGQgcHJpbWFyeSBwbGFuZSBzY2FsaW5nCmdpdCBiaXNlY3QgYmFkIDdkYjY0N2FhOGIxMzQwNTlj M2I4ZjI2YjFkZDJlMWFhNWI5MWUyY2EKIyBiYWQ6IFtlYjhkZDNhYmViNGRmZmFiNmMzNzNlODdk MDlmYzNiNTg1OGFjMTU4XSBkcm0vdmM0OiBQcmVmZXIgUFBGIG92ZXIgVFBaIHdoZW4gZHN0ID49 IDIvMyBzcmMKZ2l0IGJpc2VjdCBiYWQgZWI4ZGQzYWJlYjRkZmZhYjZjMzczZTg3ZDA5ZmMzYjU4 NThhYzE1OAojIGJhZDogWzc4MzE5NWVjMWNhZGE4NjJkNTRkZWU4ZjMxMmE2MGJjYmJhNWMwZTRd IGRybS9zeW5jb2JqOiBkaXNhYmxlIHRoZSB0aW1lbGluZSBVQVBJIGZvciBub3cgdjIKZ2l0IGJp c2VjdCBiYWQgNzgzMTk1ZWMxY2FkYTg2MmQ1NGRlZThmMzEyYTYwYmNiYmE1YzBlNAojIGJhZDog W2IyNDMyYWRmMzNlOGM4ZWI4MWFmYWJhMzAzMGYwYmEwMTQ1Y2U3ZDRdIGRybS9hdG9taWM6IFVz ZSBleHBsaWNpdCBvbGQvbmV3IHN0YXRlIGluIGRybV9hdG9taWNfY3J0Y19jaGVjaygpCmdpdCBi aXNlY3QgYmFkIGIyNDMyYWRmMzNlOGM4ZWI4MWFmYWJhMzAzMGYwYmEwMTQ1Y2U3ZDQKIyBiYWQ6 IFs1MzQ5MDNkNjAzNzZiNDk4OWI3NmVjNDQ1NjMwYWExMGYyYmMzMDQzXSBkcm0vYXRvbWljOiBV c2UgZXhwbGljaXQgb2xkIGNydGMgc3RhdGUgaW4gZHJtX2F0b21pY19hZGRfYWZmZWN0ZWRfcGxh bmVzKCkKZ2l0IGJpc2VjdCBiYWQgNTM0OTAzZDYwMzc2YjQ5ODliNzZlYzQ0NTYzMGFhMTBmMmJj MzA0MwojIGZpcnN0IGJhZCBjb21taXQ6IFs1MzQ5MDNkNjAzNzZiNDk4OWI3NmVjNDQ1NjMwYWEx MGYyYmMzMDQzXSBkcm0vYXRvbWljOiBVc2UgZXhwbGljaXQgb2xkIGNydGMgc3RhdGUgaW4gZHJt X2F0b21pY19hZGRfYWZmZWN0ZWRfcGxhbmVzKCkK --=-cTNppwRX7+7P17Ih7f4+--