From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: [regression] USB power management failure to suspend / high CPU usage From: Mathias Nyman Message-Id: Date: Thu, 21 Mar 2019 16:54:01 +0200 To: Eric Blau Cc: Ivan Mironov , Alan Stern , linux-usb@vger.kernel.org List-ID: T24gMjEuMy4yMDE5IDE1LjMyLCBFcmljIEJsYXUgd3JvdGU6Cj4gT24gTW9uLCBNYXIgNCwgMjAx OSBhdCAxMDoxMyBBTSBNYXRoaWFzIE55bWFuCj4gPG1hdGhpYXMubnltYW5AbGludXguaW50ZWwu Y29tPiB3cm90ZToKPj4KPj4gT24gMjYuMi4yMDE5IDAuMTEsIEl2YW4gTWlyb25vdiB3cm90ZToK Pj4+IEhpIE1hdGhpYXMsCj4+Pgo+Pj4gSSBhcHBsaWVkIHlvdXIgcGF0Y2ggb24gdG9wIG9mIHY1 LjAtcmM4IGFuZCB0ZXN0ZWQgaXQgb24gbXkgbGFwdG9wLgo+Pj4KPj4+IEl0IGZpeGVzIHRoZSBz dXNwZW5kIHByb2JsZW0gZnJvbSB0aGUga2VybmVsIHNpZGUsIGJ1dCB0aGVyZSBpcyBhbm90aGVy Cj4+PiBvbmU6IHN0YXJ0aW5nIHdpdGggdGhlIHNlY29uZCBzdXNwZW5kLCBYSENJIGNvbnRyb2xs ZXIgd2FrZXMgdXAgdGhlCj4+PiBzeXN0ZW0ganVzdCBhZnRlciBmZXcgc2Vjb25kcyBhZnRlciBz dXNwZW5kaW5nLiBMYXB0b3Aga2VlcHMgbG9vcGluZwo+Pj4gdGhyb3VnaCBzdXNwZW5kL3Jlc3Vt ZSB3aGlsZSBsaWQgaXMgY2xvc2VkLgo+Pj4KPj4+IFN1Y2ggYmVoYXZpb3VyIGlzIHF1aXRlIHN0 YWJsZTogSSB3YXMgYWJsZSB0byByZXByb2R1Y2UgdGhpcyB0aHJlZQo+Pj4gdGltZXMgd2l0aCBy ZWJvb3RzIGluIGJldHdlZW4uIENvcnJlc3BvbmRpbmcgZG1lc2cgYW5kIHRyYWNlcyBhcmUgaGVy ZQo+Pj4gKGZyb20gb25lIHJ1biBvbmx5KToKPj4+IGh0dHBzOi8vZ2l0aHViLmNvbS9pbS0wL2lu dmVzdGlnYXRlLWNhcmQtcmVhZGVyLXN1c3BlbmQtcHJvYmxlbS1vbi1tYnAxMS40L3RyZWUvbWFz dGVyL3Rlc3QtMjIKPj4+Cj4+PiBBZnRlciBkaXNhYmxpbmcgQUNQSSB3YWtlIHVwIG9uIFhIQzEg KGVjaG8gWEhDMSA+L3Byb2MvYWNwaS93YWtldXApLAo+Pj4gZXZlcnl0aGluZyB3b3JrcyBhcyBl eHBlY3RlZDogc3VzcGVuZC9yZXN1bWUgd29ya3MgZmluZSBtdWx0aXBsZSB0aW1lcywKPj4+IGNh cmQgcmVhZGVyIHJlbWFpbnMgbWlzc2luZyBhZnRlciB0aGUgZmlyc3Qgc3VzcGVuZC9yZXN1bWUu Cj4+Pgo+Pgo+PiBUaGFua3MsIGxvZ3Mgc2hvdyBpdCdzIG5vIGxvbmdlciBpbiBhIHNpbWlsYXIg bG9vcCBhdHRlbXB0aW5nIHNvIHN1c3BlbmQKPj4gdGhlIGJ1cywgYnV0IGRldmljZSBpbnN0ZWFk IGdvZXMgYmV0d2VlbiBwb2xsaW5nLCByeERldGVjdCBhbmQgY29tcGxpYW5jZSwKPj4gbW9kZXMs IHNvbWV0aW1lcyB3aXRoIGNvbGQgYXR0YWNoIHN0YXR1cyBmbGFnIHNlZW4uCj4+Cj4+IE1vc3Qg b2YgdGhlIHRpbWUgaXMgbm93IHNwZW50IHJlc2V0dGluZyB0aGUgZGV2aWNlLgo+Pgo+PiBJIGhh dmUgeWV0IGFub3RoZXIgcGF0Y2gsIHRoaXMgb25lIHdpbGwganVzdCBsb2cgdGhlIHBvcnRzdGF0 dXMuCj4+IEknZCBsaWtlIHRvIGtub3cgaWYgd2UgYXJlIGRvaW5nIHNvbWV0aGluZyBvZGQgd2hl biByZXN1bWluZyB0aGUgcG9ydAo+PiB0aGF0IGNhdXNlcyBpdCB0byBnZXQgc3R1Y2suCj4+Cj4+ IFBhdGNoIGF0dGFjaGVkLCBjYW4geW91IHRyeSBpdCBvdXQ/Cj4+Cj4+IEFsc28gYXZhaWxhYmxl IGZyb20gbXkgcG9ydC1kZWJ1ZyBicmFuY2g6Cj4+IGdpdDovL2dpdC5rZXJuZWwub3JnL3B1Yi9z Y20vbGludXgva2VybmVsL2dpdC9tbnltYW4veGhjaS5naXQgcG9ydC1kZWJ1Zwo+IAo+IFdoZXJl IGRvIHdlIHN0YW5kIHdpdGggdGhpcyBmaXg/IFdlcmUgeW91IGFibGUgdG8gdHJ5IG91dCB0aGlz IHBvcnQKPiBkZWJ1ZyBwYXRjaCwgSXZhbj8KPiAKPiBJIG5vcm1hbGx5IHJ1biB3aXRoIEFDUEkg d2FrZXVwIGRpc2FibGVkIG9uIFhIQzEgYnV0IGlmIG1vcmUgZGVidWdnaW5nCj4gaXMgbmVlZGVk LCBJIGNhbiBlbmFibGUgd2FrZXVwIGFnYWluIGFuZCB0cnkgdG8gcmVwcm9kdWNlIHdoYXQgSXZh biBpcwo+IHNlZWluZy4gSnVzdCBsZXQgbWUga25vdy4gRm9yIG5vdywgSSd2ZSBiZWVuIGFwcGx5 aW5nIE1hdGhpYXMgcHJldmlvdXMKPiBwYXRjaCB0byB0aGUgbGF0ZXN0IGtlcm5lbHMgYW5kIGhh dmUgYmVlbiBzdXNwZW5kaW5nLCBoaWJlcm5hdGluZyBhbmQKPiByZXN1bWluZyBzdWNjZXNzZnVs bHkgd2l0aCB0aGUgY2FyZCByZWFkZXIgZGlzYWJsZWQuCj4gCgpKdXN0IGFkZGVkIHRoZSBwYXRj aCB0byBteSBmb3ItdXNiLWxpbnVzIGJyYW5jaCwgd2lsbCBzZW5kIGl0IGZvcndhcmQgdG9tb3Jy b3cKCi1NYXRoaWFzCg==