Date: Wed, 16 Mar 2016 22:02:51 +0000 (UTC) From: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> To: "Conrad E. Meyer" <cem@FreeBSD.org> Cc: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r296927 - in head: share/man/man9 sys/kern sys/sys Message-ID: <alpine.BSF.2.00.1603162201441.92377@ai.fobar.qr> In-Reply-To: <201603160422.u2G4MWg1012528@repo.freebsd.org> References: <201603160422.u2G4MWg1012528@repo.freebsd.org>
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On Wed, 16 Mar 2016, Conrad E. Meyer wrote: > Author: cem > Date: Wed Mar 16 04:22:32 2016 > New Revision: 296927 > URL: https://svnweb.freebsd.org/changeset/base/296927 > > Log: > fail(9): Upstreaming some fail point enhancements > > This is several year's worth of fail point upgrades done at EMC Isilon. They > are interdependent enough that it makes sense to put a single diff up for them. > Primarily, we added: > > - Changing all mainline execution paths to be lockless, which lets us use fail > points in more sleep-sensitive areas, and allows more parallel execution > - A number of additional commands, including 'pause' that lets us do some > interesting deterministic repros of race conditions > - The ability to dump the stacks of all threads sleeping on a fail point > - A number of other API changes to allow marking up the fail point's context in > the code, and firing callbacks before and after execution > - A man page update > > Submitted by: Matthew Bryan <matthew.bryan@isilon.com> > Reviewed by: cem (earlier version), jhb, kib, pho > With feedback from: bdrewery > Sponsored by: EMC / Isilon Storage Division > Differential Revision: https://reviews.freebsd.org/D5427 > > Modified: > head/share/man/man9/fail.9 > head/sys/kern/kern_fail.c > head/sys/kern/subr_sleepqueue.c > head/sys/sys/fail.h > head/sys/sys/sleepqueue.h This seems to have broken a few kernel configs (just one example); linking kernel.full subr_sleepqueue.o: In function `sleepq_sbuf_print_stacks': /scratch/tmp/bz/head.svn/sys/kern/subr_sleepqueue.c:(.text+0x448): undefined reference to `stack_create' /scratch/tmp/bz/head.svn/sys/kern/subr_sleepqueue.c:(.text+0x448): relocation truncated to fit: R_MIPS_26 against `stack_create' /scratch/tmp/bz/head.svn/sys/kern/subr_sleepqueue.c:(.text+0x504): undefined reference to `stack_save_td' /scratch/tmp/bz/head.svn/sys/kern/subr_sleepqueue.c:(.text+0x504): relocation truncated to fit: R_MIPS_26 against `stack_save_td' /scratch/tmp/bz/head.svn/sys/kern/subr_sleepqueue.c:(.text+0x598): undefined reference to `stack_sbuf_print' /scratch/tmp/bz/head.svn/sys/kern/subr_sleepqueue.c:(.text+0x598): relocation truncated to fit: R_MIPS_26 against `stack_sbuf_print' /scratch/tmp/bz/head.svn/sys/kern/subr_sleepqueue.c:(.text+0x5f0): undefined reference to `stack_destroy' /scratch/tmp/bz/head.svn/sys/kern/subr_sleepqueue.c:(.text+0x5f0): relocation truncated to fit: R_MIPS_26 against `stack_destroy' --- kernel.full --- *** [kernel.full] Error code 1 bmake[5]: stopped in /storage/head/obj/mips.mipsn32/scratch/tmp/bz/head.svn/sys/XLPN32
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