Date: Fri, 16 May 2008 17:57:40 +0400 From: Lev Serebryakov <lev@FreeBSD.org> To: freebsd-stable@freebsd.org Subject: Re: FreeBSD 7.0-STABLE: "mount_nfs" vs "mount -t nfs": problems with second one, UDP timeouts and ICMP ports unreach?! Message-ID: <482D92D4.20908@FreeBSD.org> In-Reply-To: <482D6492.8080209@FreeBSD.org> References: <482D6492.8080209@FreeBSD.org>
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Lev Serebryakov wrote:
> You see? b answer with "UDP port unreachable" on each RPC reply!
Additional info.
ktrace from "mount -t nfs":
=============================================================
65962 mount_nfs 0.006679 RET sendto 40/0x28
65962 mount_nfs 0.006682 CALL
kevent(0x4,0x638110,0x1,0x7fffffffe2d0,0x1,0x7fffffffe310)
65962 mount_nfs 10.218001 GIO fd 4 wrote 32 bytes
65962 mount_nfs 10.218018 GIO fd 4 read 0 bytes
""
65962 mount_nfs 10.218023 RET kevent 0
65962 mount_nfs 10.218029 CALL gettimeofday(0x7fffffffe320,0)
65962 mount_nfs 10.218035 RET gettimeofday 0
65962 mount_nfs 10.218040 CALL close(0x4)
65962 mount_nfs 10.218049 RET close 0
65962 mount_nfs 10.218077 CALL close(0x3)
65962 mount_nfs 10.218087 RET close 0
65962 mount_nfs 10.218101 CALL write(0x2,0x7fffffffdd40,0x37)
65962 mount_nfs 10.218117 GIO fd 2 wrote 55 bytes
"[udp] gateway:/usr/ports: NFSPROC_NULL: RPC: Timed out
"
=============================================================
ktrace (same piece) from "mount_nfs":
=============================================================
93109 mount_nfs 0.005458 RET sendto 40/0x28
93109 mount_nfs 0.005462 CALL
kevent(0x4,0x638110,0x1,0x7fffffffe2a0,0x1,0x7fffffffe2e0)
93109 mount_nfs 0.005724 GIO fd 4 wrote 32 bytes
93109 mount_nfs 0.005738 GIO fd 4 read 32 bytes
93109 mount_nfs 0.005743 RET kevent 1
93109 mount_nfs 0.005748 CALL recvfrom(0x3,0x638134,0x2260,0,0,0)
93109 mount_nfs 0.005756 GIO fd 3 read 24 bytes
93109 mount_nfs 0.005761 RET recvfrom 24/0x18
93109 mount_nfs 0.005767 CALL close(0x4)
93109 mount_nfs 0.005775 RET close 0
93109 mount_nfs 0.005781 CALL close(0x3)
93109 mount_nfs 0.005788 RET close 0
=============================================================
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