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bh=mSLDibXdDhyTDavCf11nSYFrrSbOyY/Z0MxYwfAK1NU=; b=d+d1VFAEv/L148ZtiOn+bciJVCDjFlqZjv8sG5do+OSMAknfkC8w3+dey8fQDV+doAjeBt eDNrD4bIcWnt7sjnBBHL6z2WfCeYHLvuXlMaLJAIBAeCb5QtoN/+DR89TRAAIsq7OQAsAL 2U2OdG03IX3Ck+7d4ZQKP6Zi4RubeqQ= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-595-caX8nhwhOEiiRcw5KnoPAQ-1; Wed, 25 Nov 2020 01:22:06 -0500 X-MC-Unique: caX8nhwhOEiiRcw5KnoPAQ-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id C346E8A2A22; Wed, 25 Nov 2020 06:21:44 +0000 (UTC) Received: from [10.72.13.165] (ovpn-13-165.pek2.redhat.com [10.72.13.165]) by smtp.corp.redhat.com (Postfix) with ESMTP id 0D6485B4AE; Wed, 25 Nov 2020 06:21:13 +0000 (UTC) Subject: Re: netconsole deadlock with virtnet To: Jakub Kicinski References: <20201117102341.GR47002@unreal> <20201117093325.78f1486d@gandalf.local.home> <93b42091-66f2-bb92-6822-473167b2698d@redhat.com> <20201118091257.2ee6757a@gandalf.local.home> <20201123110855.GD3159@unreal> <20201123093128.701cf81b@gandalf.local.home> <20201123105252.1c295138@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> <20201123140934.38748be3@gandalf.local.home> <20201123112130.759b9487@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> <1133f1a4-6772-8aa3-41dd-edbc1ee76cee@redhat.com> <20201124082035.3e658fa4@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> From: Jason Wang Message-ID: <6e55048e-53ed-c196-729d-f7a5ab3c82fe@redhat.com> Date: Wed, 25 Nov 2020 14:21:12 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20201124082035.3e658fa4@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> Content-Language: en-US X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Cc: Petr Mladek , Leon Romanovsky , John Ogness , "Michael S. Tsirkin" , netdev , Amit Shah , Steven Rostedt , virtualization@lists.linux-foundation.org, Sergey Senozhatsky , Ran Rozenstein , Itay Aveksis X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" Ck9uIDIwMjAvMTEvMjUg5LiK5Y2IMTI6MjAsIEpha3ViIEtpY2luc2tpIHdyb3RlOgo+IE9uIFR1 ZSwgMjQgTm92IDIwMjAgMTE6MjI6MDMgKzA4MDAgSmFzb24gV2FuZyB3cm90ZToKPj4+PiBQZXJo YXBzIHlvdSBuZWVkIHRoZSB0cnlsb2NrIGluIHZpcnRuZXRfcG9sbF90eCgpPwo+Pj4gVGhhdCBj b3VsZCB3b3JrLiBCZXN0IGlmIHdlIHVzZWQgbm9ybWFsIGxvY2sgaWYgISFidWRnZXQsIGFuZCB0 cnlsb2NrCj4+PiB3aGVuIGJ1ZGdldCBpcyAwLiBCdXQgbWF5YmUgdGhhdCdzIHRvbyBoYWlyeS4K Pj4gSWYgd2UgdXNlIHRyeWxvY2ssIHdlIHByb2JhYmx5IGxvc2Uob3IgZGVsYXkpIHR4IG5vdGlm aWNhdGlvbiB0aGF0IG1heQo+PiBoYXZlIHNpZGUgZWZmZWN0cyB0byB0aGUgc3RhY2suCj4gVGhh dCdzIHdoeSBJIHNhaWQgb25seSB0cnlsb2NrIHdpdGggYnVkZ2V0ID09IDAuIE9ubHkgbmV0cG9s bCBjYWxscyB3aXRoCj4gYnVkZ2V0ID09IDAsIEFGQUlLLgoKCk9oIHJpZ2h0LgoKU28gSSB0aGlu ayBtYXliZSB3ZSBjYW4gc3dpdGNoIHRvIHVzZSB0cnlsb2NrIHdoZW4gYnVkZ2V0IGlzIHplcm8g YW5kIAp0cnkgdG8gc2NoZWR1bGUgYW5vdGhlciBUWCBOQVBJIGlmIHdlIHRyeWxvY2sgZmFpbC4K Cgo+Cj4+PiBJJ20gYXNzdW1pbmcgYWxsIHRoaXMgdHJpY2tpbmVzcyBjb21lcyBmcm9tIHZpcnRx dWV1ZV9nZXRfYnVmKCkgbmVlZGluZwo+Pj4gbG9ja2luZyB2cyB0aGUgVFggcGF0aD8gSXQncyBw cmV0dHkgdW51c3VhbCBmb3IgdGhlIGNvbXBsZXRpb24gcGF0aCB0bwo+Pj4gbmVlZCBsb2NraW5n IHZzIHhtaXQgcGF0aC4KPj4gVHdvIHJlYXNvbnMgZm9yIGRvaW5nIHRoaXM6Cj4+Cj4+IDEpIEZv ciBzb21lIGhpc3RvcmljYWwgcmVhc29uLCB3ZSB0cnkgdG8gZnJlZSB0cmFuc21pdHRlZCB0eCBw YWNrZXRzIGluCj4+IHhtaXQgKHNlZSBmcmVlX29sZF94bWl0X3NrYnMoKSBpbiBzdGFydF94bWl0 KCkpLCB3ZSBjYW4gcHJvYmFibHkgcmVtb3ZlCj4+IHRoaXMgaWYgd2UgcmVtb3ZlIHRoZSBub24g dHggaW50ZXJydXB0IG1vZGUuCj4+IDIpIHZpcnRpbyBjb3JlIHJlcXVpcmVzIHZpcnRxdWV1ZV9n ZXRfYnVmKCkgdG8gYmUgc3luY2hyb25pemVkIHdpdGgKPj4gdmlydHF1ZXVlX2FkZCgpLCB3ZSBw cm9iYWJseSBjYW4gc29sdmUgdGhpcyBidXQgaXQgcmVxdWlyZXMgc29tZSBub24KPj4gdHJpdmlh bCByZWZhY3RvcmluZyBpbiB0aGUgdmlydGlvIGNvcmUKPj4KPj4gQnR3LCBoYXZlIGEgcXVpY2sg c2VhcmNoLCB0aGVyZSBhcmUgc2V2ZXJhbCBvdGhlciBkcml2ZXJzIHRoYXQgdXNlcyB0eAo+PiBs b2NrIGluIHRoZSB0eCBOQVBJLgo+IFVubGVzcyB0aGV5IGRvOgo+Cj4gCW5ldGRldi0+cHJpdl9m bGFncyB8PSBJRkZfRElTQUJMRV9ORVRQT0xMOwo+Cj4gdGhleSBhcmUgYWxsIGJyb2tlbi4KCgpZ ZXMuCgpUaGFua3MKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fClZpcnR1YWxpemF0aW9uIG1haWxpbmcgbGlzdApWaXJ0dWFsaXphdGlvbkBsaXN0cy5saW51 eC1mb3VuZGF0aW9uLm9yZwpodHRwczovL2xpc3RzLmxpbnV4Zm91bmRhdGlvbi5vcmcvbWFpbG1h bi9saXN0aW5mby92aXJ0dWFsaXphdGlvbg==