Date: Fri, 01 Sep 2000 09:22:13 -0700 From: Fred Gilham <gilham@snapdragon.csl.sri.com> To: freebsd-stable@FreeBSD.ORG Subject: tail -f over NFS in -stable Message-ID: <200009011622.JAA29262@csla.csl.sri.com>
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In 4.1-stable tail -f over NFS polls rather than blocking. ... kevent(0x4,0x0,0x0,0xbfbff54c,0x1,0x0) = 1 (0x1) read(0x3,0x804d000,0x2000) = 0 (0x0) kevent(0x4,0x0,0x0,0xbfbff54c,0x1,0x0) = 1 (0x1) read(0x3,0x804d000,0x2000) = 0 (0x0) kevent(0x4,0x0,0x0,0xbfbff54c,0x1,0x0) = 1 (0x1) read(0x3,0x804d000,0x2000) = 0 (0x0) kevent(0x4,0x0,0x0,0xbfbff54c,0x1,0x0) = 1 (0x1) read(0x3,0x804d000,0x2000) = 0 (0x0) kevent(0x4,0x0,0x0,0xbfbff54c,0x1,0x0) = 1 (0x1) read(0x3,0x804d000,0x2000) = 0 (0x0) kevent(0x4,0x0,0x0,0xbfbff54c,0x1,0x0) = 1 (0x1) read(0x3,0x804d000,0x2000) = 0 (0x0) kevent(0x4,0x0,0x0,0xbfbff54c,0x1,0x0) = 1 (0x1) read(0x3,0x804d000,0x2000) = 0 (0x0) kevent(0x4,0x0,0x0,0xbfbff54c,0x1,0x0) = 1 (0x1) read(0x3,0x804d000,0x2000) = 0 (0x0) (on and on) ... This doesn't seem to happen on a local file: ... kqueue() = 4 (0x4) read(0x3,0x804d000,0x2000) = 0 (0x0) kevent(0x4,0xbfbff54c,0x1,0x0,0x0,0xbfbff4e4) = 0 (0x0) read(0x3,0x804d000,0x2000) = 0 (0x0) (pauses here) FreeBSD snapdragon.csl.sri.com 4.1-STABLE FreeBSD 4.1-STABLE #3: Fri Sep 1 08:57:56 PDT 2000 gilham@snapdragon.csl.sri.com:/usr/src/sys/compile/MYKERN i386 -Fred To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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