From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ayaz Abdulla Subject: Bug#572201: forcedeth driver hangs under heavy load Date: Wed, 14 Apr 2010 01:33:15 -0400 Message-ID: <4BC5539B.6050908@nvidia.com> References: <1271160298.2098.0.camel@achroite.uk.solarflarecom.com> <4BC47F38.5040509@gmail.com> <1271169741.16881.437.camel@edumazet-laptop> <20100413.144340.138717714.davem@davemloft.net> <1271195179.16881.575.camel@edumazet-laptop> Reply-To: Ayaz Abdulla , 572201@bugs.debian.org Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="------------070606080700040903080308" Cc: David Miller , "smulcahy@gmail.com" , "bhutchings@solarflare.com" , "netdev@vger.kernel.org" , "ben@decadent.org.uk" , "572201@bugs.debian.org" <572201@bugs.debian.org> To: Eric Dumazet Return-path: Resent-Message-ID: In-Reply-To: <1271195179.16881.575.camel@edumazet-laptop> List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Id: netdev.vger.kernel.org This is a multi-part message in MIME format. --------------070606080700040903080308 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable Attached fix has been submitted to netdev. Ayaz Eric Dumazet wrote: > Le mardi 13 avril 2010 =C3=A0 14:43 -0700, David Miller a =C3=A9crit : >=20 >>Do you really come to the conclusion that TSO is broken with the above >>test results? >> >>I would conclude that there is a TX checksumming issue, since merely >>turning TSO off does not fix the problem whereas turning TX >>checksumming off does. >=20 >=20 > Indeed, we clarified the point and it is a TX checksum issue. >=20 >=20 --------------070606080700040903080308 Content-Type: text/plain; name="patch-forcedeth-tx-limit2-fix" Content-Transfer-Encoding: base64 Content-Disposition: inline; filename="patch-forcedeth-tx-limit2-fix" LS0tIG9sZC9kcml2ZXJzL25ldC9mb3JjZWRldGguYwkyMDEwLTA0LTE0IDAxOjE4OjUxLjAw MDAwMDAwMCAtMDQwMAorKysgbmV3L2RyaXZlcnMvbmV0L2ZvcmNlZGV0aC5jCTIwMTAtMDQt MTQgMDE6MjA6NDAuMDAwMDAwMDAwIC0wNDAwCkBAIC01OTAxLDcgKzU5MDEsNyBAQAogCS8q IExpbWl0IHRoZSBudW1iZXIgb2YgdHgncyBvdXRzdGFuZGluZyBmb3IgaHcgYnVnICovCiAJ aWYgKGlkLT5kcml2ZXJfZGF0YSAmIERFVl9ORUVEX1RYX0xJTUlUKSB7CiAJCW5wLT50eF9s aW1pdCA9IDE7Ci0JCWlmICgoaWQtPmRyaXZlcl9kYXRhICYgREVWX05FRURfVFhfTElNSVQy KSAmJgorCQlpZiAoKChpZC0+ZHJpdmVyX2RhdGEgJiBERVZfTkVFRF9UWF9MSU1JVDIpID09 IERFVl9ORUVEX1RYX0xJTUlUMikgJiYKIAkJICAgIHBjaV9kZXYtPnJldmlzaW9uID49IDB4 QTIpCiAJCQlucC0+dHhfbGltaXQgPSAwOwogCX0K --------------070606080700040903080308--