From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Alexander E. Patrakov" Subject: Re: multipath breaks with recent udev/systemd Date: Mon, 15 Dec 2014 17:53:28 +0500 Message-ID: <548ED9C8.4030200@gmail.com> References: <548EAA80.30604@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <548EAA80.30604@suse.de> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: systemd-devel-bounces@lists.freedesktop.org Sender: "systemd-devel" To: Hannes Reinecke , device-mapper development Cc: Benjamin Marzinski , Kay Sievers , systemd Mailing List , Mike Snitzer List-Id: dm-devel.ids MTUuMTIuMjAxNCAxNDozMSwgSGFubmVzIFJlaW5lY2tlIHdyb3RlOgo+IEhpIGFsbCwKPgo+IGlu IGNvbW1pdCAzZWJkYjgxZWYwODhhZmQzYjRjNzJiNTE2YmViNTYxMGY4YzkzYTBkCj4gKHVkZXY6 IHNlcmlhbGl6ZS9zeW5jaHJvbml6ZSBibG9jayBkZXZpY2UgZXZlbnQgaGFuZGxpbmcgd2l0aCBm aWxlCj4gbG9ja3MpIHVkZXYgc3RhcnRlZCB1c2luZyBmbG9jaygpIG9uIHRoZSBkZXZpY2Ugbm9k ZSwgc3VwcG9zZWRseSB0bwo+IHN5bmNocm9uaXplIHdpdGggYW4gb21pbm91cyAnYmxvY2sgZXZl bnQgaGFuZGxpbmcnLgoKVGhpcyBpcyBhIGR1cGxpY2F0ZSBvZiB0aGUgaXNzdWUgdGhhdCBJIGhh dmUgcmVwb3J0ZWQgZWFybGllcjoKCmh0dHBzOi8vd3d3LnJlZGhhdC5jb20vYXJjaGl2ZXMvZG0t ZGV2ZWwvMjAxNC1PY3RvYmVyL21zZzAwMjEwLmh0bWwKClRoZXJlZm9yZSwgSSB3YW50IHRvIGJl IENDZWQgb24gcmVwbGllcy4KCj4KPiBUaGUgY29kZSBsb29rcyBsaWtlIHRoaXM6Cj4KPiAgICAg ICAgICAgICAgICAgICAgaWYgKGQpIHsKPiAgICAgICAgICAgICAgICAgICAgICAgICAgZmRfbG9j ayA9IG9wZW4odWRldl9kZXZpY2VfZ2V0X2Rldm5vZGUoZCksCj4gT19SRE9OTFl8T19DTE9FWEVD fE9fTk9GT0xMT1d8T19OT05CTE9DSyk7Cj4gICAgICAgICAgICAgICAgICAgICAgICAgIGlmIChm ZF9sb2NrID49IDAgJiYgZmxvY2soZmRfbG9jaywKPiBMT0NLX1NIfExPQ0tfTkIpIDwgMCkgewo+ ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIGxvZ19kZWJ1ZygiVW5hYmxlIHRvIGZsb2Nr KCVzKSwKPiBza2lwcGluZyBldmVudCBoYW5kbGluZzogJW0iLCB1ZGV2X2RldmljZV9nZXRfZGV2 bm9kZShkKSk7Cj4gICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgZXJyID0gLUVXT1VMREJM T0NLOwo+ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIGdvdG8gc2tpcDsKPiAgICAgICAg ICAgICAgICAgICAgICAgICB9Cj4gICAgICAgICAgICAgICAgICAgICB9Cj4KPiBIb3dldmVyLCBt dWx0aXBhdGggc2luY2Ugc2V2ZXJhbCB5ZWFycyBpcyB1c2luZyBhIHNpbWlsYXIgY29uc3RydWN0 Cj4gdG8gbG9jayBhbGwgZGV2aWNlcyBiZWxvbmdpbmcgdG8gYSBtdWx0aXBhdGggZGV2aWNlIHRh YmxlIGJlZm9yZQo+IGNyZWF0aW5nIGEgbXVsaXRwYXRoIGRtLWRldmljZToKPgo+IAl2ZWN0b3Jf Zm9yZWFjaF9zbG90IChtcHAtPnBnLCBwZ3AsIGkpIHsKPiAJCWlmICghcGdwLT5wYXRocykKPiAJ CQljb250aW51ZTsKPiAJCXZlY3Rvcl9mb3JlYWNoX3Nsb3QocGdwLT5wYXRocywgcHAsIGopIHsK PiAJCQlpZiAobG9jayAmJiBmbG9jayhwcC0+ZmQsIExPQ0tfU0ggfCBMT0NLX05CKSAmJgo+IAkJ CSAgICBlcnJubyA9PSBFV09VTERCTE9DSykKPiAJCQkJZ290byBmYWlsOwo+IAkJCWVsc2UgaWYg KCFsb2NrKQo+IAkJCQlmbG9jayhwcC0+ZmQsIExPQ0tfVU4pOwo+IAkJfQo+IAl9Cj4KPiBTbyBk dXJpbmcgYm9vdHVwIGl0J3MgYW55b25lJ3MgZ3Vlc3Mgd2hvJ3MgZmlyc3QsIG11bHRpcGF0aCBv ciB1ZGV2Lgo+IEFuZCBkZXBlbmRpbmcgb24gdGhlIHRpbWluZyBlaXRoZXIgbXVsdGlwYXRoIHdp bGwgZmFpbCB0byBzZXR1cAo+IHRoZSBkZXZpY2UtbWFwcGVyIGRldmljZSBvciB1ZGV2IHdpbGwg c2ltcGx5IGlnbm9yZSB0aGUgZGV2aWNlLgo+IE5laXRoZXIgb2YgdGhvc2UgaXMgYSBnb29kLCBi dXQgdGhlIGZpcnN0IGlzIGFuIGFic29sdXRlIGtpbGxlciBmb3IKPiBtb2Rlcm4gc3lzdGVtcyB3 aGljaCBfcmVseV8gb24gdWRldiB0byBjb25maWd1cmUgZGV2aWNlcy4KPgo+IFNvIGhvdyBpdCB0 aGlzIHN1cHBvc2VkIHRvIHdvcms/Cj4gV2h5IGRvZXMgdWRldiBpZ25vcmUgdGhlIGVudGlyZSBl dmVudCBpZiBpdCBjYW4ndCBnZXQgdGhlIGxvY2s/Cj4gU2hvdWxkbid0IGl0IHJhdGhlciBiZSBy ZXRyaWVkPwo+IFdoYXQgaXMgdGhlIHN1cHBvc2VkIHJlY292ZXJ5IGhlcmU/Cj4KPiBDaGVlcnMs Cj4KPiBIYW5uZXMKPgoKCi0tIApBbGV4YW5kZXIgRS4gUGF0cmFrb3YKX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18Kc3lzdGVtZC1kZXZlbCBtYWlsaW5nIGxp c3QKc3lzdGVtZC1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cDovL2xpc3RzLmZyZWVk ZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL3N5c3RlbWQtZGV2ZWwK