svn commit: r296927 - in head: share/man/man9 sys/kern sys/sys
Bjoern A. Zeeb
bzeeb-lists at lists.zabbadoz.net
Wed Mar 16 22:03:00 UTC 2016
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 at 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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