Date: Wed, 17 Feb 2010 20:30:05 GMT From: Jeff Mo <mo0118@gmail.com> To: freebsd-net@FreeBSD.org Subject: Re: kern/125239: [gre] kernel crash when using gre Message-ID: <201002172030.o1HKU54f020455@freefall.freebsd.org>
next in thread | raw e-mail | index | archive | help
The following reply was made to PR kern/125239; it has been noted by GNATS. From: Jeff Mo <mo0118@gmail.com> To: bug-followup@freebsd.org, damien.saucez@uclouvain.be Cc: Subject: Re: kern/125239: [gre] kernel crash when using gre Date: Wed, 17 Feb 2010 10:32:00 -0800 --00504502c5f9e57206047fd010ce Content-Type: text/plain; charset=ISO-8859-1 Hello all, I found the solution about why this bug occurs : <http://www.freebsd.org/cgi/query-pr.cgi?pr=125239&cat=>; I would like to contribute my knowledge to FreeBSD website and you can find my solution in the attached. Please let me know your comment and look forward to your reply. Thanks, -- Jeff Mo Santa Clara University Linux+, SCJP, SCWCD, MCSD --00504502c5f9e57206047fd010ce Content-Type: application/octet-stream; name=kern_125239 Content-Disposition: attachment; filename=kern_125239 Content-Transfer-Encoding: base64 X-Attachment-Id: f_g5sgk88g0 VGhlIHByb2JsZW0gaW4gMTI1MjM5IG9jY3VycyBiZWNhdXNlIHRoZSBpbXBsZW1lbnRhdGlvbiBv ZiBpbl9zZXRfdHVubmVsIGZ1bmN0aW9uIGluCgphZl9pbmV0LmMgd3JvbmdseSBjcmVhdGVzIGEg bG9jYWwgc3RydWN0IHZhcmlhYmxlIChhZGRyZXEpLCByYXRoZXIgdGhhbiB1c2luZyBleGlzdGlu ZwoKZ2xvYmFsIHN0cnVjdCB2YXJpYWJsZShpbl9hZGRyZXEpLCB0byBzdG9yZSByZWxhdGVkIGFk ZHJlc3MgaW5mb3JtYXRpb24gb2YgdHVubmVsLgoKVGhlcmVmb3JlLCB3aGVuIHdlIHVzZSBnZGIg dG8gdHJhY2UgdGhlIGNvZGUgYmVmb3JlIGVudGVyaW5nIGlvY3RsLCB3ZSBmb3VuZCB0aGF0IGFm cAoKLT5hZl9hZGRyZXEgZG9lcyBub3QgY2FycnkgYW55IHNvdXJjZSBhbmQgZGVzdGluYXRpb24g YWRkcmVzcyBpbmZvcm1hdGlvbiBpbnRvIGtlcm5lbC4KVGhlIGZvbGxvd2luZyBzaG93cyB0aGUg dHJhY2luZyByZXN1bHQgYmVmb3JlIG1vZGlmaWNhdGlvbjoKCihnZGIpIHAgKihzdHJ1Y3QgaWZh bGlhc3JlcSAqKWFmcC0+YWZfYWRkcmVxCiQxID0gewogIGlmcmFfbmFtZSA9ICdcMCcgPHJlcGVh dHMgMTUgdGltZXM+LAogIGlmcmFfYWRkciA9IHsKICAgIHNhX2xlbiA9IDAgJ1wwJywKICAgIHNh X2ZhbWlseSA9IDAgJ1wwJywKICAgIHNhX2RhdGEgPSAnXDAnIDxyZXBlYXRzIDEzIHRpbWVzPgog IH0sCiAgaWZyYV9icm9hZGFkZHIgPSB7CiAgICBzYV9sZW4gPSAwICdcMCcsCiAgICBzYV9mYW1p bHkgPSAwICdcMCcsCiAgICBzYV9kYXRhID0gJ1wwJyA8cmVwZWF0cyAxMyB0aW1lcz4KICB9LAog IGlmcmFfbWFzayA9IHsKICAgIHNhX2xlbiA9IDE2ICdcMDIwJywKICAgIHNhX2ZhbWlseSA9IDAg J1wwJywKICAgIHNhX2RhdGEgPSAiXDAwMFwwMDDDg8K/w4PCv8ODwr/Dg8K/XDAwMFwwMDBcMDAw XDAwMFwwMDBcMDAwXDAwMCIKICB9Cn0KCk91ciBwcm9wb3NlZCBzb2x1dGlvbiBpcyB2ZXJ5IHN0 cmFpZ2h0Zm9yd2FyZC4gSW5zdGVhZCBvZiBkZWNsYXJpbmcgYSBuZXcgbG9jYWwKCnZhcmlhYmxl LCB3ZSBzaG91bGQgc3RvcmUgYWRkcmVzcyBkYXRhIGluIHRoZSBnbG9iYWwgdmFyaWFibGUgdGhh dCB3aWxsIGJlIHVzZWQgYXMgYQoKcGFyYW1ldGVyIG9mIGlvY3RsIGZ1Y3Rpb24uIE9uY2Ugb3Vy IGNoYW5nZXMgYXJlIGFwcGxpZWQsIFRoZSBzeXN0ZW0gcnVucyBhcyBub3JtYWwgYXMgaXQgc2hv dWxkIGJlIGFuZCBub3QgY3Jhc2ggYWdhaW4uCgpUaGUgZm9sbG93aW5nIGZpeCBpcyBhcHBsaWVk IHRvIHNvdXJjZSBmcm9tIHRoZSBGcmVlQlNEIDcuMCByZWxlYXNlCgotLS0gYWZfaW5ldC5jLm9s ZCAgICAgICAyMDA4LTA5LTI5IDExOjI1OjMyLjAwMDAwMDAwMCArMDAwMAorKysgYWZfaW5ldC5j ICAgMjAwOC0xMC0wMSAwMjowMzoxMS4wMDAwMDAwMDAgKzAwMDAKQEAgLTE2NywxMyArMTY3LDEy IEBACiBzdGF0aWMgdm9pZAogaW5fc2V0X3R1bm5lbChpbnQgcywgc3RydWN0IGFkZHJpbmZvICpz cmNyZXMsIHN0cnVjdCBhZGRyaW5mbyAqZHN0cmVzKQogewotICAgICAgIHN0cnVjdCBpZmFsaWFz cmVxIGFkZHJlcTsKLSAgICAgICBtZW1zZXQoJmFkZHJlcSwgMCwgc2l6ZW9mKGFkZHJlcSkpOwot ICAgICAgIHN0cm5jcHkoYWRkcmVxLmlmcmFfbmFtZSwgbmFtZSwgSUZOQU1TSVopOwotICAgICAg IG1lbWNweSgmYWRkcmVxLmlmcmFfYWRkciwgc3JjcmVzLT5haV9hZGRyLCBzcmNyZXMtPmFpX2Fk ZHItPnNhX2xlbik7Ci0gICAgICAgbWVtY3B5KCZhZGRyZXEuaWZyYV9kc3RhZGRyLCBkc3RyZXMt PmFpX2FkZHIsIGRzdHJlcy0+YWlfYWRkci0+c2FfbGVuKTsKKyAgICAgICBtZW1zZXQoJmluX2Fk ZHJlcSwgMCwgc2l6ZW9mKGluX2FkZHJlcSkpOworICAgICAgIHN0cm5jcHkoJmluX2FkZHJlcS5p ZnJhX25hbWUsIG5hbWUsIElGTkFNU0laKTsKKyAgICAgICBtZW1jcHkoJmluX2FkZHJlcS5pZnJh X2FkZHIsIHNyY3Jlcy0+YWlfYWRkciwgc3JjcmVzLT5haV9hZGRyLT5zYV9sZW4pOworICAgICAg IG1lbWNweSgmaW5fYWRkcmVxLmlmcmFfZHN0YWRkciwgZHN0cmVzLT5haV9hZGRyLCBkc3RyZXMt PmFpX2FkZHItPnNhX2xlbik7CgotICAgICAgIGlmIChpb2N0bChzLCBTSU9DU0lGUEhZQUREUiwg JmFkZHJlcSkgPCAwKQorICAgICAgIGlmIChpb2N0bChzLCBTSU9DU0lGUEhZQUREUiwgJmluX2Fk ZHJlcSkgPCAwKQogICAgICAgICAgICAgICAgd2FybigiU0lPQ1NJRlBIWUFERFIiKTsKIH0KClRo ZSBmb2xsb3dpbmcgc2hvd3MgdGhlIHRyYWNpbmcgcmVzdWx0IGFmdGVyIG1vZGlmaWNhdGlvbjoK CihnZGIpIHAgKihzdHJ1Y3QgaWZhbGlhc3JlcSAqKWFmcC0+YWZfYWRkcmVxCiQxID0gewogIGlm cmFfbmFtZSA9ICJncmUwIiwgJ1wwJyA8cmVwZWF0cyAxMSB0aW1lcz4sCiAgaWZyYV9hZGRyID0g ewogICAgc2FfbGVuID0gMTYgJ1wwMjAnLAogICAgc2FfZmFtaWx5ID0gMiAnXDAwMicsCiAgICBz YV9kYXRhID0gIlwwMDBcMDAwXG5cblxuXDAwMVwwMDBcMDAwXDAwMFwwMDBcMDAwXDAwMFwwMDAi CiAgfSwKICBpZnJhX2Jyb2FkYWRkciA9IHsKICAgIHNhX2xlbiA9IDE2ICdcMDIwJywKICAgIHNh X2ZhbWlseSA9IDIgJ1wwMDInLAogICAgc2FfZGF0YSA9ICJcMDAwXDAwMFxuXG5cblwwMDJcMDAw XDAwMFwwMDBcMDAwXDAwMFwwMDBcMDAwIgogIH0sCiAgaWZyYV9tYXNrID0gewogICAgc2FfbGVu ID0gMTYgJ1wwMjAnLAogICAgc2FfZmFtaWx5ID0gMCAnXDAnLAogICAgc2FfZGF0YSA9ICJcMDAw XDAwMMODwr/Dg8K/w4PCv8ODwr9cMDAwXDAwMFwwMDBcMDAwXDAwMFwwMDBcMDAwIgogIH0KfQoK CkNoaWVoLUZ1IE1vLCBTdHVkZW50CkNPRU4gMjg0LCBPcGVyYXRpbmcgU3lzdGVtcyBDYXNlIFN0 dWR5ClNhbnRhIENsYXJhIFVuaXZlcnNpdHkKCg== --00504502c5f9e57206047fd010ce--
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201002172030.o1HKU54f020455>