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Dec 15 2019

pho added a comment to D22777: clip within the subtree rooted at entry.

I ran tests with D22777.65668.diff for some 15 hours before running into this (unrelated ?) deadlock:
https://people.freebsd.org/~pho/stress/log/dougm067.txt

Dec 15 2019, 7:33 PM

pho committed rS355770: Added one more tmpfs(5) test scenario..

Added one more tmpfs(5) test scenario.

Dec 15 2019, 5:51 AM

Dec 14 2019

pho added a comment to D22777: clip within the subtree rooted at entry.

With D22777.65663.diff I see:

ukbd0: <Keyboard Interface> on usbus2
kbd2 at ukbd0
mountroot: waiting for device /dev/da0p2...
panic: vm_map_splay_split: max_free invariant fails
cpuid = 9
time = 1576352787
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe012ffbc590
vpanic() at vpanic+0x17e/frame 0xfffffe012ffbc5f0
panic() at panic+0x43/frame 0xfffffe012ffbc650
vm_map_splay() at vm_map_splay+0x3c4/frame 0xfffffe012ffbc750
vm_map_lookup_entry() at vm_map_lookup_entry+0xd1/frame 0xfffffe012ffbc7b0
vm_map_lookup() at vm_map_lookup+0x5b/frame 0xfffffe012ffbc880
vm_fault() at vm_fault+0xba/frame 0xfffffe012ffbca00
vm_fault_trap() at vm_fault_trap+0x6e/frame 0xfffffe012ffbca40
trap_pfault() at trap_pfault+0x1f3/frame 0xfffffe012ffbcac0
trap() at trap+0x470/frame 0xfffffe012ffbcbf0
calltrap() at calltrap+0x8/frame 0xfffffe012ffbcbf0
--- trap 0xc, rip = 0x800380f8f, rsp = 0x7fffffffc240, rbp = 0x7fffffffc290 ---
KDB: enter: panic
[ thread pid 48 tid 100222 ]
Stopped at      kdb_enter+0x37: movq    $0,0x10803b6(%rip)
db> x/s version
version:        FreeBSD 13.0-CURRENT #2 r355746M: Sat Dec 14 20:43:38 CET 2019\012    pho@t2.osted.lan:/usr/src/sys/amd64/compile/PHO\012
db>

Dec 14 2019, 7:52 PM

pho added a comment to D22777: clip within the subtree rooted at entry.

With D22777.65647.diff I got:

Dec 14 2019, 11:45 AM

pho added a comment to D22666: Simplify leaf_alloc, improve some hints.

I ran tests for 20 hours on D22666.65577.diff without seeing any problems.

Dec 14 2019, 8:14 AM

Dec 13 2019

pho added a comment to D22777: clip within the subtree rooted at entry.

With D22777.65534.diff I see:

ses0: pass2,cd0 in 'Slot 01', SATA Slot: scbus2 target 0
WARNING: WITNESS option enabled, expect reduced performance.
WARNING: DIAGNOSTIC option enabled, expect reduced performance.
uhub1: 4 ports with 4 removable, self powered
panic: map 0xfffff80841282000 max = 7ff7df8e9000, max_left = 0, max_right = 0
cpuid = 10
time = 1576237136
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe0130dd5670
vpanic() at vpanic+0x17e/frame 0xfffffe0130dd56d0
panic() at panic+0x43/frame 0xfffffe0130dd5730
_vm_map_assert_consistent() at _vm_map_assert_consistent+0x18c/frame 0xfffffe0130dd5750
vm_map_lookup_entry() at vm_map_lookup_entry+0x589/frame 0xfffffe0130dd57a0
vm_map_lookup() at vm_map_lookup+0xbd/frame 0xfffffe0130dd5880
vm_fault() at vm_fault+0xba/frame 0xfffffe0130dd5a00
vm_fault_trap() at vm_fault_trap+0x6e/frame 0xfffffe0130dd5a40
trap_pfault() at trap_pfault+0x1f3/frame 0xfffffe0130dd5ac0
trap() at trap+0x470/frame 0xfffffe0130dd5bf0
calltrap() at calltrap+0x8/frame 0xfffffe0130dd5bf0
--- trap 0xc, rip = 0x800242355, rsp = 0x7fffffffe1f8, rbp = 0x7fffffffe280 ---
KDB: enter: panic
[ thread pid 46 tid 100221 ]
Stopped at      kdb_enter+0x37: movq    $0,0x1080086(%rip)
db> x/s version
version:        FreeBSD 13.0-CURRENT #0 r355711M: Fri Dec 13 12:33:37 CET 2019\012    pho@t2.osted.lan:/usr/src/sys/amd64/compile/PHO\012
db>

Dec 13 2019, 11:54 AM

Dec 8 2019

pho committed rS355527: Added comment about problem found..

Added comment about problem found.

Dec 8 2019, 9:45 AM

pho committed rS355526: Add two regression tests..

Add two regression tests.

Dec 8 2019, 6:41 AM

pho committed rS355525: Added a regression test..

Added a regression test.

Dec 8 2019, 6:35 AM

pho committed rS355524: Added a regression test..

Added a regression test.

Dec 8 2019, 6:34 AM

pho committed rS355523: Update the list of tests to exclude..

Update the list of tests to exclude.

Dec 8 2019, 6:32 AM

pho committed rS355522: Also catch SIGBUS when accessing an unmapped page..

Also catch SIGBUS when accessing an unmapped page.

Dec 8 2019, 6:30 AM

Dec 2 2019

pho added a comment to D21964: Make vm_map a threaded tree.

Ran a brief 5 hour test with D21964.65115.diff. No problems seen.

Dec 2 2019, 1:27 PM

Dec 1 2019

pho added a comment to D22541: Store the bottom of the shadow chain in OBJ_ANON object->handle member..

I completed a full stress2 test of r355146+1d4f3fce228-c245581(cpuctl). No problems seen.

Dec 1 2019, 8:23 AM

Nov 29 2019

pho added a comment to D21964: Make vm_map a threaded tree.

I ran tests for 5 hours on D21964.65043.diff. No problems seen.

Nov 29 2019, 1:47 PM

Nov 28 2019

pho added a comment to D22589: break up vm_map_splay_merge.

I ran a preliminary 3 hours test with 400 test cases. No problems seen.

Nov 28 2019, 2:14 PM

Nov 26 2019

pho added a comment to D22544: Use macros to search vm_map.

I ran tests on D22544.64854 for 14 hours. No problems seen.

Nov 26 2019, 7:18 AM

Nov 25 2019

pho added a comment to D21964: Make vm_map a threaded tree.

20191125 08:32:45 all (271/680): proccontrol.sh
panic: caller failed to provide space 0x400000 at address 0x800a56000
cpuid = 4
time = 1574667167
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe01b74cc6c0
vpanic() at vpanic+0x17e/frame 0xfffffe01b74cc720
panic() at panic+0x43/frame 0xfffffe01b74cc780
vm_map_alignspace() at vm_map_alignspace+0x9b/frame 0xfffffe01b74cc7f0
vm_map_find() at vm_map_find+0x697/frame 0xfffffe01b74cc8b0
vm_map_find_min() at vm_map_find_min+0x85/frame 0xfffffe01b74cc930
vm_mmap_object() at vm_mmap_object+0x395/frame 0xfffffe01b74cc9c0
kern_mmap() at kern_mmap+0x56b/frame 0xfffffe01b74ccaa0
sys_mmap() at sys_mmap+0x2a/frame 0xfffffe01b74ccac0
amd64_syscall() at amd64_syscall+0x2f1/frame 0xfffffe01b74ccbf0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe01b74ccbf0
--- syscall (477, FreeBSD ELF64, sys_mmap), rip = 0x800ec3f6a, rsp = 0x7fffff8ea238, rbp = 0x7fffff8ea250 ---
KDB: enter: panic
[ thread pid 65014 tid 102218 ]
Stopped at      kdb_enter+0x37: movq    $0,0x1082cc6(%rip)
db>

https://people.freebsd.org/~pho/stress/log/dougm065.txt

Nov 25 2019, 9:34 AM

pho committed rS355077: Added a regression test..

Added a regression test.

Nov 25 2019, 3:09 AM

Nov 24 2019

pho added a comment to D22467: Ignore object->handle for OBJ_ANON objects..

I ran the full stress2 test set without finding any problems.

Nov 24 2019, 12:40 PM

Nov 19 2019

pho added a comment to D22437: Change swp_pager_meta_ctl to swp_pager_meta_lookup.

I ran tests with Diff 64526 for 16 hours without seeing any problems.

Nov 19 2019, 7:42 AM

Nov 18 2019

pho added a comment to D22437: Change swp_pager_meta_ctl to swp_pager_meta_lookup.

20191118 12:46:52 all (2/12): sort.sh
panic: Lookup object not swappable
cpuid = 5
time = 1574077630
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe00e3f802a0
vpanic() at vpanic+0x17e/frame 0xfffffe00e3f80300
panic() at panic+0x43/frame 0xfffffe00e3f80360
swp_pager_meta_lookup() at swp_pager_meta_lookup+0x68/frame 0xfffffe00e3f80390
swp_pager_xfer_source() at swp_pager_xfer_source+0x66/frame 0xfffffe00e3f803d0
swp_pager_meta_transfer() at swp_pager_meta_transfer+0x1b1/frame 0xfffffe00e3f80450
swap_pager_copy() at swap_pager_copy+0x267/frame 0xfffffe00e3f80480
vm_object_collapse() at vm_object_collapse+0x178/frame 0xfffffe00e3f804f0
vm_object_deallocate() at vm_object_deallocate+0x4b1/frame 0xfffffe00e3f80540
vm_map_process_deferred() at vm_map_process_deferred+0xad/frame 0xfffffe00e3f80560
vm_map_remove() at vm_map_remove+0xeb/frame 0xfffffe00e3f80590
exec_new_vmspace() at exec_new_vmspace+0x186/frame 0xfffffe00e3f805f0
exec_elf64_imgact() at exec_elf64_imgact+0x82a/frame 0xfffffe00e3f806e0
kern_execve() at kern_execve+0x5e9/frame 0xfffffe00e3f80a40
sys_execve() at sys_execve+0x4c/frame 0xfffffe00e3f80ac0
amd64_syscall() at amd64_syscall+0x2d0/frame 0xfffffe00e3f80bf0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe00e3f80bf0
--- syscall (59, FreeBSD ELF64, sys_execve), rip = 0x80086675a, rsp = 0x7fffffffe728, rbp = 0x7fffffffe730 ---

https://people.freebsd.org/~pho/stress/log/dougm064.txt

Nov 18 2019, 12:01 PM

Nov 17 2019

pho added a comment to D22405: look for in-transition status in each map entry.

I tested D22405.64459.diff for 10 hours without seeing any problems.

Nov 17 2019, 5:59 AM

Nov 12 2019

pho added a comment to D22302: amd64: move gdt into pcpu.

I ran the full stress2 test using 64144. No problems seen.

Nov 12 2019, 12:28 PM

Nov 11 2019

pho added a comment to D22261: Fix handling of PIPE_EOF in the direct write path..

I only saved the vmcore: https://people.freebsd.org/~pho/vmcore.775.xz

Nov 11 2019, 5:26 PM

pho added a comment to D22302: amd64: move gdt into pcpu.

Just an update: I'm at test number 534 out of 677 with an uptime of 20 hours (tests are sorted by increasing run time).
No problems so far.

Nov 11 2019, 7:41 AM

Nov 10 2019

pho added a comment to D22280: exploit sparsity in swap_pager_copy.

With Diff 64139 I got a "panic: vm_object_madvise: page 0xfffffe0000174cf8 is not managed", which to me seems unrelated.
https://people.freebsd.org/~pho/stress/log/dougm063.txt

Nov 10 2019, 9:30 AM

pho added a comment to D22261: Fix handling of PIPE_EOF in the direct write path..

I completed a full stress2 test with D22261.64008.diff.
The only problem I saw was this (unrelated) panic: https://people.freebsd.org/~pho/stress/log/mark107.txt

Nov 10 2019, 1:04 AM

Nov 7 2019

pho added a comment to D22261: Fix handling of PIPE_EOF in the direct write path..

In D22261#486883, @markj wrote:

Peter, could you please test this patch?

Nov 7 2019, 7:23 PM

pho committed rS354442: Added a regression test..

Added a regression test.

Nov 7 2019, 2:17 PM

Nov 6 2019

pho committed rS354370: Added a regression test..

Added a regression test.

Nov 6 2019, 6:38 AM

Nov 2 2019

pho added a comment to D22163: reduce vm_map consistency assertions.

I ran all of the stress2 tests on Diff 63804 without seeing any problems.

Nov 2 2019, 10:04 AM

Oct 30 2019

pho added a comment to D22163: reduce vm_map consistency assertions.

Still doesn't compile.

Oct 30 2019, 4:18 PM

Oct 28 2019

pho committed rS354133: Added a regression test..

Added a regression test.

Oct 28 2019, 12:40 PM

Oct 27 2019

pho added a comment to D22163: reduce vm_map consistency assertions.

Serial console on mercat1

(kgdb) l *trap_pfault+0x99
0xffffffff8104d129 is in trap_pfault (../../../amd64/amd64/trap.c:743).
738                      * lock, then it is most likely a fatal kernel page fault.
739                      * If WITNESS is enabled, then it's going to whine about
740                      * bogus LORs with various VM locks, so just skip to the
741                      * fatal trap handling directly.
742                      */
743                     if (td->td_critnest != 0 ||
744                         WITNESS_CHECK(WARN_SLEEPOK | WARN_GIANTOK, NULL,
745                         "Kernel page fault") != 0) {
746                             trap_fatal(frame, eva);
747                             return (-1);
(kgdb)

Oct 27 2019, 6:21 PM

pho added a comment to D22163: reduce vm_map consistency assertions.

This is a KPTI test. This looks unrelated to me, but ...

20191027 15:16:52 all (469/677): kpti.sh
Fata
lpanic: Assertion p->tp_row < t->t_winsize.tp_row failed at ../../../teken/teken.c:105
cpuid = 10
time = 1572185813
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffff807d872fd60
vpanic() at vpanic+0x19d/frame 0xfffff807d872fdb0
panic() at panic+0x43/frame 0xfffff807d872fe10
teken_subr_do_putchar() at teken_subr_do_putchar+0x138/frame 0xfffff807d872fe60
teken_subr_regular_character() at teken_subr_regular_character+0x27a/frame 0xfffff807d872fea0
teken_input_char() at teken_input_char+0xa7/frame 0xfffff807d872fec0
teken_input() at teken_input+0x111/frame 0xfffff807d872fef0
termcn_cnputc() at termcn_cnputc+0x6e/frame 0xfffff807d872ff20
cnputc() at cnputc+0x7d/frame 0xfffff807d872ff50
cnputs() at cnputs+0x7a/frame 0xfffff807d872ff80
putchar() at putchar+0x150/frame 0xfffff807d8730000
kvprintf() at kvprintf+0x145/frame 0xfffff807d8730120
??() at 0xffffffff00013051/frame 0xfffff807d87301f0
printf() at printf+0x43/frame 0xfffff807d8730250
trap_fatal() at trap_fatal+0x9c/frame 0xfffff807d87302b0
trap_pfault() at trap_pfault+0x99/frame 0xfffff807d8730310
trap() at trap+0x46f/frame 0xfffff807d8730420
calltrap() at calltrap+0x8/frame 0xfffff807d8730420
--- trap 0x246, rip = 0x80020ac38, rsp = 0x7fffffffdc90, rbp = 0x7fffffffe760 ---
KDB: enter: panic
[ thread pid 256166277 tid 3224064 ]
Stopped at      kdb_enter+0x3b: movq    $0,kdb_why
db>

https://people.freebsd.org/~pho/stress/log/dougm061.txt

Oct 27 2019, 3:44 PM

Oct 20 2019

pho added a comment to D20635: release multiple swap blocks at a time in swp_pager_force_pagein.

Here's a

Oct 20 2019, 5:17 PM

Oct 19 2019

pho added a comment to D22081: Fix pointer loads in uma_vm_zone_stats()..

I tested 63458 for 17 hours with a "-O0" build of uma_core.c. LGTM.

Oct 19 2019, 7:42 AM

Oct 18 2019

pho added a comment to D22081: Fix pointer loads in uma_vm_zone_stats()..

In D22081#482480, @markj wrote:

Peter, could you post the disassembly of uma_vm_zone_stats() from your -O0 kernel?

Oct 18 2019, 5:54 PM

pho added a comment to D20635: release multiple swap blocks at a time in swp_pager_force_pagein.

In D20635#482456, @markj wrote:

In D20635#482367, @pho wrote:

This too, what not what I was hoping for:

Are you compiling with -O0 or some other unusual compiler flags? I suspect the patch in D22081 is required, though it has no effect on generated code in my testing.

Oct 18 2019, 5:08 PM

pho added a comment to D20635: release multiple swap blocks at a time in swp_pager_force_pagein.

This too, what not what I was hoping for:

Oct 18 2019, 12:46 PM

pho added a comment to D20635: release multiple swap blocks at a time in swp_pager_force_pagein.

20191018 08:58:59 all (284/676): pipe2.sh

Oct 18 2019, 8:26 AM

Oct 17 2019

pho added a comment to D20635: release multiple swap blocks at a time in swp_pager_force_pagein.

https://people.freebsd.org/~pho/stress/log/dougm057.txt

Oct 17 2019, 9:06 AM

Oct 15 2019

pho added a comment to D21964: Make vm_map a threaded tree.

With debug.vmmap_check=1 I saw this problem:
https://people.freebsd.org/~pho/stress/log/dougm056.txt

Oct 15 2019, 8:17 AM

Oct 14 2019

pho added a comment to D21964: Make vm_map a threaded tree.

In D21964#481052, @alc wrote:

In D21964#480590, @pho wrote:

I ran all of the stress2 test on 63130. I found one problem, which to me looks unrelated.
https://people.freebsd.org/~pho/stress/log/quota10-2.txt

Peter,

Are you setting debug.vmmap_check to 1?

Oct 14 2019, 6:41 PM

Oct 12 2019

pho added a comment to D21964: Make vm_map a threaded tree.

I ran all of the stress2 test on 63130. I found one problem, which to me looks unrelated.
https://people.freebsd.org/~pho/stress/log/quota10-2.txt

Oct 12 2019, 7:13 PM

Oct 10 2019

pho added a comment to D21964: Make vm_map a threaded tree.

startup_alloc from "UMA Zones", 4 boot pages left
startup_alloc from "UMA Zones", 3 boot pages left
startup_alloc from "UMA Hash", 2 boot pages left
startup_alloc from "UMA Zones", 1 boot pages left
Entering uma_startup1 with 0 boot pages left
panic: map 0xfffff80003002000 max = 7d8df000, max_left = 1ff80000000, max_right = 7d8df000
cpuid = 0
time = 1
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xffffffff824ef830
vpanic() at vpanic+0x19d/frame 0xffffffff824ef880
panic() at panic+0x43/frame 0xffffffff824ef8e0
_vm_map_assert_consistent() at _vm_map_assert_consistent+0x3e1/frame 0xffffffff824ef940
vm_map_splay() at vm_map_splay+0x176/frame 0xffffffff824ef9a0
vm_map_lookup_entry() at vm_map_lookup_entry+0xc7/frame 0xffffffff824ef9f0
vm_map_insert() at vm_map_insert+0x1b5/frame 0xffffffff824efae0
kmem_init() at kmem_init+0xab/frame 0xffffffff824efb10
vm_mem_init() at vm_mem_init+0x51/frame 0xffffffff824efb20
mi_startup() at mi_startup+0x210/frame 0xffffffff824efb70
btext() at btext+0x2c
KDB: enter: panic
[ thread pid 0 tid 0 ]
Stopped at      kdb_enter+0x3b: movq    $0,kdb_why
db> x/s version
version:        FreeBSD 13.0-CURRENT #1 r353388M: Thu Oct 10 12:56:20 CEST 2019\012    pho@mercat1.netperf.freebsd.org:/usr/src/sys/amd64/compile/PHO\012
db>

Oct 10 2019, 11:25 AM

Oct 5 2019

pho added a comment to D21882: Use a loop macro for enumerating vm map entries.

I ran tests on D21882.62898 for more than a day. No problems seen.

Oct 5 2019, 6:26 PM

Oct 4 2019

pho committed rS353101: Added a regression test..

Added a regression test.

Oct 4 2019, 10:45 AM

Oct 3 2019

pho added a comment to D21882: Use a loop macro for enumerating vm map entries.

I ran tests on D21882.62858.diff for 5 1/2 hours without seeing any problems. I'll move on to 62874.

Oct 3 2019, 4:01 PM

Sep 27 2019

pho committed rS352789: Added a regression test..

Added a regression test.

Sep 27 2019, 7:20 AM

Sep 6 2019

pho added a comment to D20664: Changes to vm_map_lookup_entry.

Tested D20664.61715.diff for 6 hours on amd64. No problems seen.

Sep 6 2019, 3:19 PM

Sep 4 2019

pho added a comment to D20664: Changes to vm_map_lookup_entry.

I ran a brief 10 hour test on amd64 with D20664.61638.diff. No problems seen.

Sep 4 2019, 5:36 PM

Sep 3 2019

pho committed rS351738: Disable core dumps..

Disable core dumps.

Sep 3 2019, 7:09 AM

pho committed rS351736: Added problem found..

Added problem found.

Sep 3 2019, 7:02 AM

Sep 2 2019

pho added a comment to D17599: Fix for double free when deleting entries from epoch managed lists.

It is still an issue with HEAD:

:
:
if_delmulti_locked: detaching ifnet instance 0xfffff803d7598000
if_delmulti_locked: detaching ifnet instance 0xfffff803d7598000
if_delmulti_locked: detaching ifnet instance 0xfffff803bc652800
if_delmulti_locked: detaching ifnet instance 0xfffff803bc652800
if_delmulti_locked: detaching ifnet instance 0xfffff803bc652800
if_delmulti_locked: detaching ifnet instance 0xfffff803bc652800
if_delmulti_locked: detaching ifnet instance 0xfffff803bc652800
if_delmulti_locked: detaching ifnet instance 0xfffff803bc652800

Sep 2 2019, 3:21 PM

pho committed rS351689: Added a new nullfs test scenario..

Added a new nullfs test scenario.

Sep 2 2019, 8:03 AM

pho committed rS351688: Added a new tmpfs test scenario..

Added a new tmpfs test scenario.

Sep 2 2019, 8:01 AM

pho committed rS351687: Added finding. Limit load and runtime..

Added finding. Limit load and runtime.

Sep 2 2019, 7:59 AM

pho committed rS351686: Added a regression test..

Added a regression test.

Sep 2 2019, 7:56 AM

pho committed rS351685: Added two more SCTP test case variations..

Added two more SCTP test case variations.

Sep 2 2019, 7:54 AM

pho committed rS351684: Added "Fixed by". Pointed out problem with an uninitialized "flags".

Added "Fixed by". Pointed out problem with an uninitialized "flags"

Sep 2 2019, 7:53 AM

Sep 1 2019

pho added a comment to D21471: vfs: implement usecount implies holdcnt.

I ran the full stress2 test suite with D21471.61489.diff on amd64. No problems seen.

Sep 1 2019, 11:06 PM

Aug 29 2019

pho committed rS351602: Added regression tests..

Added regression tests.

Aug 29 2019, 9:29 AM

Aug 28 2019

pho added a comment to D21412: Rework v_object lifecycle for vnodes..

I ran a full stress2 test on i386 with D21412.61303.diff.
I ran tests on amd64 with D21412.61396.diff for two hours.
No problems seen.

Aug 28 2019, 9:00 PM

Aug 27 2019

pho added a comment to D21412: Rework v_object lifecycle for vnodes..

In D21412#466484, @kib wrote:

Peter, could you, please, start testing this ?

Aug 27 2019, 2:44 PM

Aug 25 2019

pho added a comment to D20814: Make entry simplification one-way.

I ran the full stress2 test with D20814.61081.diff on amd64. LGTM.

Aug 25 2019, 7:00 AM

pho added a comment to D21357: Move OBJT_VNODE specific code from vm_object_terminate() to vnode_destroy_vobject()..

I ran all of the stress2 tests with D21357.61095.diff on amd64. LGTM.

Aug 25 2019, 6:49 AM

Aug 23 2019

pho committed rS351414: Added a test scenario for "recovering from disk failures"..

Added a test scenario for "recovering from disk failures".

Aug 23 2019, 5:04 AM

pho added a comment to D20814: Make entry simplification one-way.

I should be able to free up some test hardware later today.

Aug 23 2019, 4:58 AM

Aug 21 2019

pho added a comment to D21320: amd64: rework PCPU allocation.

I ran a brief 2 hour test with D21320.61033.diff. No problems seen.

Aug 21 2019, 6:35 PM

Aug 16 2019

pho added a comment to D13671: Collection of fixes for OOM handling of some corner cases..

D13671.60851.diff LGTM.

Aug 16 2019, 8:30 AM

Aug 3 2019

pho added a comment to D20863: prototype for trimming.

I ran tests on D20863.60414.diff for 6 hours and got this ktr log.

ktr.log1 MBDownload

Aug 3 2019, 1:03 PM

Aug 1 2019

pho added a comment to D20814: Make entry simplification one-way.

I ran tests for 15 hours on D20814.60344.diff without seeing any problems.

Aug 1 2019, 6:57 PM

pho added a comment to D20361: procdesc: fix reparenting when the debugger is attached.

I completed a full stress2 test on amd64 without seeing any problems.

Aug 1 2019, 3:19 AM

Jul 31 2019

pho added a comment to D20814: Make entry simplification one-way.

With D20814.60322.diff I got:

20190731 19:27:23 all (1/1): mmap10.sh
panic: vm_map_unwire: lookup failed
cpuid = 12
time = 1564594061
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe00c96c5790
vpanic() at vpanic+0x19d/frame 0xfffffe00c96c57e0
panic() at panic+0x43/frame 0xfffffe00c96c5840
vm_map_wire_locked() at vm_map_wire_locked+0x69d/frame 0xfffffe00c96c5900
vm_map_wire() at vm_map_wire+0x40/frame 0xfffffe00c96c5930
kern_mlock() at kern_mlock+0x179/frame 0xfffffe00c96c5980
amd64_syscall() at amd64_syscall+0x2d6/frame 0xfffffe00c96c5ab0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe00c96c5ab0

https://people.freebsd.org/~pho/stress/log/dougm055.txt

Jul 31 2019, 5:51 PM

pho added a comment to D20814: Make entry simplification one-way.

D20814.60315.diff

20190731 16:18:08 all (17/73): mmap10.sh
panic: Lock vm map (user) not exclusively locked @ ../../../vm/vm_map.c:3102
cpuid = 12
time = 1564582693
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe00c7c80800
vpanic() at vpanic+0x19d/frame 0xfffffe00c7c80850
panic() at panic+0x43/frame 0xfffffe00c7c808b0
_sx_xunlock() at _sx_xunlock+0xab/frame 0xfffffe00c7c808d0
_vm_map_unlock() at _vm_map_unlock+0x75/frame 0xfffffe00c7c80900
vm_map_wire() at vm_map_wire+0x58/frame 0xfffffe00c7c80930
kern_mlock() at kern_mlock+0x179/frame 0xfffffe00c7c80980
amd64_syscall() at amd64_syscall+0x2d6/frame 0xfffffe00c7c80ab0

https://people.freebsd.org/~pho/stress/log/dougm054.txt

Jul 31 2019, 2:48 PM

Jul 30 2019

pho added a comment to D21088: Avoid conflicts with libc symbols in libthr jump table..

I ran all of the threaded tests from stress2 on amd64 with D21088.60283.diff.
No problems seen.

Jul 30 2019, 9:12 PM

pho added a comment to D20361: procdesc: fix reparenting when the debugger is attached.

Just a follow up. I'm currently testing your patch on amd64 where I have not yet seen any problems.

Jul 30 2019, 7:03 PM

pho added a comment to D20361: procdesc: fix reparenting when the debugger is attached.

I got this after a 5 hour test on i386, followed by a shutdown:

panic: vm_fault_hold: fault on nofault entry, addr: 0x83326000
cpuid = 0
time = 1564486041
KDB: stack backtrace:
db_trace_self_wrapper(e6666d,1bdcda4,0,23a17534,bd2eb1,...) at db_trace_self_wrapper+0x2a/frame 0x23a17508
kdb_backtrace(e,0,0,2b06100,2db5000,...) at kdb_backtrace+0x2e/frame 0x23a17568
vpanic(163709e,23a175b0,23a175b0,23a17680,12c2044,...) at vpanic+0x121/frame 0x23a17590
panic(163709e,158dad9,83326000,4895800,7000004,...) at panic+0x14/frame 0x23a175a4
vm_fault_hold(2db5000,83326000,2,0,0) at vm_fault_hold+0x2474/frame 0x23a17680
vm_fault(2db5000,83326000,2,0) at vm_fault+0x4a/frame 0x23a176a8
trap_pfault(8332680c) at trap_pfault+0xf3/frame 0x23a176f4
trap(23a177bc,8,28,28,83df8640,...) at trap+0x3c0/frame 0x23a177b0
calltrap() at 0xffc0316d/frame 0x23a177b0
--- trap 0xc, eip = 0xf7f255, esp = 0x23a177fc, ebp = 0x23a17814 ---
funsetownlst(27e5ea50) at funsetownlst+0xa5/frame 0x23a17814
pgdelete(27e5ea6c,23c00a80,1651842,36,23a178f8,...) at pgdelete+0x60/frame 0x23a17834
leavepgrp(298d46a8,0,1651842,396,44c,...) at leavepgrp+0xd5/frame 0x23a1784c
proc_reap(23c00a80,298d46a8,23a17ba4,36,1edeb50,...) at proc_reap+0x714/frame 0x23a178f8
proc_to_reap(23c00a80,298d46a8,7,0,0,...) at proc_to_reap+0x718/frame 0x23a17998
kern_wait6(23c00a80,7,0,0,23a17ba4,...) at kern_wait6+0x37a/frame 0x23a17a78
kern_wait(23c00a80,ffffffff,23a17ba4,36,0,...) at kern_wait+0x119/frame 0x23a17b80
sys_wait4(23c00a80,23c00d0c) at sys_wait4+0x68/frame 0x23a17c08
syscall(23a17ce8,3b,3b,3b,0,...) at syscall+0x304/frame 0x23a17cdc
Xint0x80_syscall() at 0xffc033b7/frame 0x23a17cdc

https://people.freebsd.org/~pho/stress/log/oshogbo001.txt

Jul 30 2019, 11:59 AM

pho added a comment to D20863: prototype for trimming.

Ran tests for another 23 hours on D20863.60217.diff. No problems seen.

Jul 30 2019, 5:43 AM