Re: Automated report: NetBSD-current/sparc test failure

[Andrew Doran <ad%netbsd.org@localhost>]

I checked in a potential fix for this.  More scheduler changes to come later
today, though.

Andrew

On Sat, Nov 23, 2019 at 12:48:29PM +0000, NetBSD Test Fixture wrote:
> This is an automatically generated notice of new failures of the
> NetBSD test suite.
> 
> The newly failing test cases are:
> 
>     lib/libc/sys/t_sendrecv:sendrecv_basic
>     lib/libc/sys/t_sendrecv:sendrecv_rerror
> 
> The above tests failed in each of the last 3 test runs, and passed in
> at least 27 consecutive runs before that.
> 
> The following commits were made between the last successful test and
> the failed test:
> 
>     2019.11.21.16.45.05 tkusumi src/usr.sbin/autofs/autounmountd.c,v 1.2
>     2019.11.21.17.47.23 ad src/sys/dev/pci/ichsmb.c,v 1.61
>     2019.11.21.17.47.53 ad src/sys/uvm/uvm_glue.c,v 1.170
>     2019.11.21.17.50.49 ad src/sys/kern/kern_resource.c,v 1.183
>     2019.11.21.17.50.49 ad src/sys/kern/kern_softint.c,v 1.49
>     2019.11.21.17.54.04 ad src/sys/kern/sys_pset.c,v 1.22
>     2019.11.21.17.54.04 ad src/sys/sys/pset.h,v 1.7
>     2019.11.21.17.57.40 ad src/sys/kern/kern_timeout.c,v 1.57
>     2019.11.21.18.17.36 ad src/sys/kern/kern_lwp.c,v 1.209
>     2019.11.21.18.17.36 ad src/sys/kern/kern_sig.c,v 1.380
>     2019.11.21.18.22.05 ad src/sys/kern/kern_lwp.c,v 1.210
>     2019.11.21.18.46.40 martin src/distrib/notes/common/main,v 1.552
>     2019.11.21.18.56.55 ad src/sys/kern/kern_sleepq.c,v 1.52
>     2019.11.21.18.56.55 ad src/sys/kern/kern_turnstile.c,v 1.33
>     2019.11.21.18.56.55 ad src/sys/sys/sleepq.h,v 1.26
>     2019.11.21.19.02.43 ad src/sys/arch/alpha/alpha/ipifuncs.c,v 1.49
>     2019.11.21.19.23.16 martin src/distrib/notes/Makefile.inc,v 1.44
>     2019.11.21.19.23.16 martin src/distrib/notes/acorn32/contents,v 1.5
>     2019.11.21.19.23.16 martin src/distrib/notes/alpha/contents,v 1.19
>     2019.11.21.19.23.17 martin src/distrib/notes/amd64/contents,v 1.8
>     2019.11.21.19.23.17 martin src/distrib/notes/amiga/contents,v 1.23
>     2019.11.21.19.23.17 martin src/distrib/notes/amiga/install,v 1.37
>     2019.11.21.19.23.17 martin src/distrib/notes/arc/contents,v 1.5
>     2019.11.21.19.23.17 martin src/distrib/notes/atari/contents,v 1.23
>     2019.11.21.19.23.17 martin src/distrib/notes/atari/xfer,v 1.18
>     2019.11.21.19.23.17 martin src/distrib/notes/bebox/contents,v 1.5
>     2019.11.21.19.23.17 martin src/distrib/notes/cats/contents,v 1.5
>     2019.11.21.19.23.17 martin src/distrib/notes/common/contents,v 1.179
>     2019.11.21.19.23.17 martin src/distrib/notes/common/legal.common,v 1.99
>     2019.11.21.19.23.17 martin src/distrib/notes/common/main,v 1.553
>     2019.11.21.19.23.17 martin src/distrib/notes/common/netboot,v 1.37
>     2019.11.21.19.23.17 martin src/distrib/notes/common/postinstall,v 1.84
>     2019.11.21.19.23.17 martin src/distrib/notes/common/sysinst,v 1.108
>     2019.11.21.19.23.17 martin src/distrib/notes/common/xfer,v 1.76
>     2019.11.21.19.23.17 martin src/distrib/notes/emips/contents,v 1.5
>     2019.11.21.19.23.17 martin src/distrib/notes/emips/install,v 1.3
>     2019.11.21.19.23.18 martin src/distrib/notes/evbarm/contents,v 1.5
>     2019.11.21.19.23.18 martin src/distrib/notes/evbarm/install,v 1.10
>     2019.11.21.19.23.18 martin src/distrib/notes/evbppc/contents,v 1.6
>     2019.11.21.19.23.18 martin src/distrib/notes/ews4800mips/contents,v 1.5
>     2019.11.21.19.23.18 martin src/distrib/notes/hp300/contents,v 1.20
>     2019.11.21.19.23.18 martin src/distrib/notes/hp300/upgrade,v 1.20
>     2019.11.21.19.23.18 martin src/distrib/notes/hpcarm/contents,v 1.6
>     2019.11.21.19.23.18 martin src/distrib/notes/hpcmips/contents,v 1.13
>     2019.11.21.19.23.18 martin src/distrib/notes/hpcsh/contents,v 1.6
>     2019.11.21.19.23.18 martin src/distrib/notes/hppa/contents,v 1.5
>     2019.11.21.19.23.18 martin src/distrib/notes/i386/contents,v 1.32
>     2019.11.21.19.23.19 martin src/distrib/notes/landisk/contents,v 1.6
>     2019.11.21.19.23.19 martin src/distrib/notes/mac68k/contents,v 1.23
>     2019.11.21.19.23.19 martin src/distrib/notes/mac68k/install,v 1.31
>     2019.11.21.19.23.19 martin src/distrib/notes/mac68k/prep,v 1.18
>     2019.11.21.19.23.19 martin src/distrib/notes/mac68k/xfer,v 1.21
>     2019.11.21.19.23.19 martin src/distrib/notes/macppc/contents,v 1.17
>     2019.11.21.19.23.19 martin src/distrib/notes/macppc/install,v 1.42
>     2019.11.21.19.23.19 martin src/distrib/notes/mmeye/contents,v 1.6
>     2019.11.21.19.23.19 martin src/distrib/notes/mvme68k/contents,v 1.16
>     2019.11.21.19.23.19 martin src/distrib/notes/mvme68k/xfer,v 1.20
>     2019.11.21.19.23.19 martin src/distrib/notes/news68k/contents,v 1.9
>     2019.11.21.19.23.19 martin src/distrib/notes/newsmips/contents,v 1.5
>     2019.11.21.19.23.19 martin src/distrib/notes/next68k/contents,v 1.10
>     2019.11.21.19.23.20 martin src/distrib/notes/ofppc/contents,v 1.6
>     2019.11.21.19.23.20 martin src/distrib/notes/pmax/contents,v 1.20
>     2019.11.21.19.23.20 martin src/distrib/notes/pmax/install,v 1.43
>     2019.11.21.19.23.20 martin src/distrib/notes/prep/contents,v 1.5
>     2019.11.21.19.23.20 martin src/distrib/notes/rs6000/contents,v 1.5
>     2019.11.21.19.23.20 martin src/distrib/notes/sandpoint/contents,v 1.5
>     2019.11.21.19.23.20 martin src/distrib/notes/sgimips/contents,v 1.5
>     2019.11.21.19.23.20 martin src/distrib/notes/sgimips/install,v 1.11
>     2019.11.21.19.23.20 martin src/distrib/notes/shark/contents,v 1.5
>     2019.11.21.19.23.20 martin src/distrib/notes/shark/install,v 1.6
>     2019.11.21.19.23.20 martin src/distrib/notes/sparc/contents,v 1.24
>     2019.11.21.19.23.20 martin src/distrib/notes/sparc/install,v 1.59
>     2019.11.21.19.23.20 martin src/distrib/notes/sparc64/contents,v 1.8
>     2019.11.21.19.23.21 martin src/distrib/notes/sun2/contents,v 1.5
>     2019.11.21.19.23.21 martin src/distrib/notes/sun3/contents,v 1.19
>     2019.11.21.19.23.21 martin src/distrib/notes/sun3/upgrade,v 1.15
>     2019.11.21.19.23.21 martin src/distrib/notes/vax/contents,v 1.14
>     2019.11.21.19.23.21 martin src/distrib/notes/vax/xfer,v 1.15
>     2019.11.21.19.23.21 martin src/distrib/notes/x68k/contents,v 1.20
>     2019.11.21.19.23.58 ad src/sys/arch/aarch64/aarch64/trap.c,v 1.20
>     2019.11.21.19.23.58 ad src/sys/arch/aarch64/include/cpu.h,v 1.15
>     2019.11.21.19.23.58 ad src/sys/arch/alpha/alpha/trap.c,v 1.135
>     2019.11.21.19.23.58 ad src/sys/arch/amd64/amd64/cpufunc.S,v 1.49
>     2019.11.21.19.23.58 ad src/sys/arch/amd64/amd64/trap.c,v 1.125
>     2019.11.21.19.23.58 ad src/sys/arch/amd64/include/cpu.h,v 1.66
>     2019.11.21.19.23.58 ad src/sys/arch/amiga/amiga/trap.c,v 1.138
>     2019.11.21.19.23.59 ad src/sys/arch/arm/arm/ast.c,v 1.31
>     2019.11.21.19.23.59 ad src/sys/arch/arm/include/cpu.h,v 1.102
>     2019.11.21.19.23.59 ad src/sys/arch/atari/atari/trap.c,v 1.116
>     2019.11.21.19.23.59 ad src/sys/arch/cesfic/cesfic/trap.c,v 1.60
>     2019.11.21.19.24.00 ad src/sys/arch/hp300/hp300/trap.c,v 1.154
>     2019.11.21.19.24.00 ad src/sys/arch/hppa/hppa/trap.c,v 1.112
>     2019.11.21.19.24.00 ad src/sys/arch/i386/i386/cpufunc.S,v 1.38
>     2019.11.21.19.24.00 ad src/sys/arch/i386/i386/trap.c,v 1.303
>     2019.11.21.19.24.00 ad src/sys/arch/i386/include/cpu.h,v 1.182
>     2019.11.21.19.24.00 ad src/sys/arch/luna68k/luna68k/trap.c,v 1.72
>     2019.11.21.19.24.00 ad src/sys/arch/mac68k/mac68k/trap.c,v 1.150
>     2019.11.21.19.24.00 ad src/sys/arch/mips/include/cpu.h,v 1.127
>     2019.11.21.19.24.00 ad src/sys/arch/mvme68k/mvme68k/trap.c,v 1.111
>     2019.11.21.19.24.00 ad src/sys/arch/news68k/news68k/trap.c,v 1.72
>     2019.11.21.19.24.01 ad src/sys/arch/next68k/next68k/trap.c,v 1.91
>     2019.11.21.19.24.01 ad src/sys/arch/or1k/include/cpu.h,v 1.3
>     2019.11.21.19.24.01 ad src/sys/arch/riscv/include/cpu.h,v 1.6
>     2019.11.21.19.24.01 ad src/sys/arch/riscv/riscv/trap.c,v 1.4
>     2019.11.21.19.24.01 ad src/sys/arch/sh3/sh3/exception.c,v 1.68
>     2019.11.21.19.24.01 ad src/sys/arch/sparc/include/userret.h,v 1.9
>     2019.11.21.19.24.01 ad src/sys/arch/sparc64/sparc64/trap.c,v 1.192
>     2019.11.21.19.24.01 ad src/sys/arch/sun2/sun2/trap.c,v 1.46
>     2019.11.21.19.24.01 ad src/sys/arch/sun3/sun3/trap.c,v 1.146
>     2019.11.21.19.24.02 ad src/sys/arch/usermode/usermode/trap.c,v 1.71
>     2019.11.21.19.24.02 ad src/sys/arch/vax/vax/trap.c,v 1.136
>     2019.11.21.19.24.02 ad src/sys/arch/x68k/x68k/trap.c,v 1.109
>     2019.11.21.19.24.02 ad src/sys/sys/userret.h,v 1.29
>     2019.11.21.19.27.54 ad src/sys/arch/amd64/amd64/genassym.cf,v 1.78
>     2019.11.21.19.27.54 ad src/sys/arch/amd64/amd64/locore.S,v 1.191
>     2019.11.21.19.27.54 ad src/sys/arch/i386/i386/genassym.cf,v 1.115
>     2019.11.21.19.27.54 ad src/sys/arch/i386/i386/locore.S,v 1.174