Date: Tue, 18 Aug 2015 18:50:54 +0200 From: Tastky <tastky@...il.com> To: Rich Felker <dalias@...c.org> Cc: musl@...ts.openwall.com Subject: Re: nfs-utils broken with musl: "select: Bad file descriptor" Just checked with said include and everything recompiled. Unfortunately the same error persists. Running OpenWrt's command /usr/sbin/rpc.statd -p 32778 -o 32779 -F manually (following the script's prior steps, ofc) results in a loop of: sm-notify: Version 1.3.2 starting sm-notify: Already notifying clients; Exiting With strace: http://pastebin.com/raw.php?i=9ypUbmsp On 18.08.2015 05:00, Rich Felker wrote: > On Tue, Aug 18, 2015 at 04:30:21AM +0200, Tastky wrote: >> As by this OpenWRT bugreport: >> https://dev.openwrt.org/ticket/20038 >> >> On various architectures – at least a mips and powerpc one – >> nfs-utils is broken with musl, yielding a never ending stream of >> "my_svc_run() - select: Bad file descriptor" in the system log. >> >> The message originates in the this file: >> http://git.linux-nfs.org/?p=steved/nfs-utils.git;a=blob;f=utils/statd/svc_run.c >> >> "Downgrading" to uClibc has the issue vanish. >> >> I verified this myself with recent git versions of both musl and the >> utils on a fresh ar71xx OpenWRT compilation. > > Here's my quick guess at what's going wrong. This file: > > http://git.linux-nfs.org/?p=steved/nfs-utils.git;a=blob;f=utils/statd/system.h;h=a1739c491474179c16a64f7a2bbfde8f651085c6;hb=HEAD > > contains nonsense to define SVC_FDSET as int rather than using fd_set > on "systems which don't have fd_set" (which don't exist). > Unfortunately, it's checking #ifdef FD_SETSIZE without including the > header that defines it, sys/select.h. If this is the problem, adding: > > #include <sys/select.h> > > to the top of that file should fix the error. > > Note that compiling with -Werror=implicit-function-declaration would > catch such bogus code right away. > > If this turns out not to be the problem, can you send an strace of the > failing program up to the first failure message? > > Rich >
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