[Bug 225450] 11.1-* panics on AMD Opteron 2k due to EARLY_AP_STARTUP

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=225450

--- Comment #18 from Pablo Ruiz  ---
I've tried the following patch:

diff --git a/sys/x86/x86/delay.c b/sys/x86/x86/delay.c
index 8cbe6012a96..00dfff48c19 100644
--- a/sys/x86/x86/delay.c
+++ b/sys/x86/x86/delay.c
@@ -70,7 +70,7 @@ delay_tc(int n)
func = get_tsc;
mask = ~0u;
} else {
-   if (tc->tc_quality <= 0)
+   if (tc->tc_quality <= 0 || n == 1)
return (0);
func = tc->tc_get_timecount;
mask = tc->tc_counter_mask;
diff --git a/sys/x86/x86/mp_x86.c b/sys/x86/x86/mp_x86.c
index 04975dd8a2e..c2a90e9a7d4 100644
--- a/sys/x86/x86/mp_x86.c
+++ b/sys/x86/x86/mp_x86.c
@@ -952,7 +952,7 @@ init_secondary_tail(void)
 #endif

mtx_unlock_spin(_boot_mtx);
-while(1);
+//while(1);

/* Wait until all the AP's are up. */
while (atomic_load_acq_int(_started) == 0)

.

But I got to 'db' prompt to:

cpu0 BSP:
 ID: 0x   VER: 0x80050010 LDR: 0x DFR: 0x
  lint0: 0x00010700 lint1: 0x0400 TPR: 0x SVR: 0x01ff
  timer: 0x000100ef therm: 0x0001 err: 0x00f0 pmc: 0x00010400
   AMD ext features: 0x00010003
   AMD elvt0: 0x0001
SMP: AP CPU #1 Launched!
cpu1 AP:


FFa
tFa

FFa

FFa
Fa
kFernel trap 12 with interrupts disabled


Fatal trap 12: page fault while in kernel mode
cpuid = 2; apic id = 02
fault virtual address   = 0x441
fault code  = supervisor read data, page not present
instruction pointer = 0x20:0x80ffb704
stack pointer   = 0x28:0xfe001b97ba90
frame pointer   = 0x28:0xfe001b97baa0
code segment= base 0x0, limit 0xf, type 0x1b
= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags= resume, IOPL = 0
current process = 11 (idle: cpu2)
[ thread pid 11 tid 15 ]
Stopped at  spinlock_exit+0x14: movq0x440(%rbx),%rax
db> show thread
Thread 15 at 0xf8000332c000:
 proc (pid 11): 0xf80003328000
 name: idle: cpu2
 stack: 0xfe001b9a6000-0xfe001b9a9fff
 flags: 0x40024  pflags: 0x20
 state: CAN RUN
 priority: 255
 container lock: sched lock 0 (0x827ee880)
db> bt
Tracing pid 11 tid 15 td 0xf8000332c000
spinlock_exit() at spinlock_exit+0x14/frame 0xfe001b97baa0
_mtx_lock_spin_cookie() at _mtx_lock_spin_cookie+0xa5/frame 0xfe001b97bb10
i8254_delay() at i8254_delay+0x143/frame 0xfe001b97bb50
_mtx_lock_spin_cookie() at _mtx_lock_spin_cookie+0xa5/frame 0xfe001b97bbc0
i8254_delay() at i8254_delay+0x143/frame 0xfe001b97bc00
_mtx_lock_spin_cookie() at _mtx_lock_spin_cookie+0xa5/frame 0xfe001b97bc70
i8254_delay() at i8254_delay+0x143/frame 0xfe001b97bcb0
_mtx_lock_spin_cookie() at _mtx_lock_spin_cookie+0xa5/frame 0xfe001b97bd20
i8254_delay() at i8254_delay+0x143/frame 0xfe001b97bd60
_mtx_lock_spin_cookie() at _mtx_lock_spin_cookie+0xa5/frame 0xfe001b97bdd0
i8254_delay() at i8254_delay+0x143/frame 0xfe001b97be10
_mtx_lock_spin_cookie() at _mtx_lock_spin_cookie+0xa5/frame 0xfe001b97be80
i8254_delay() at i8254_delay+0x143/frame 0xfe001b97bec0
_mtx_lock_spin_cookie() at _mtx_lock_spin_cookie+0xa5/frame 0xfe001b97bf30
i8254_delay() at i8254_delay+0x143/frame 0xfe001b97bf70
_mtx_lock_spin_cookie() at _mtx_lock_spin_cookie+0xa5/frame 0xfe001b97bfe0
i8254_delay() at i8254_delay+0x143/frame 0xfe001b97c020
_mtx_lock_spin_cookie() at _mtx_lock_spin_cookie+0xa5/frame 0xfe001b97c090


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[Bug 225450] 11.1-* panics on AMD Opteron 2k due to EARLY_AP_STARTUP

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=225450

--- Comment #17 from Pablo Ruiz  ---
Hi John,

The CPU mode is 'AMD Opteron(tm) Processor SE (Dual Core)'.

I'll try the patch you suggested and report back..

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[Bug 217149] seq(1) inconsistently omits 'last' when using float increment

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=217149

Mark Linimon  changed:

   What|Removed |Added

   Keywords||patch

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[Bug 225450] 11.1-* panics on AMD Opteron 2k due to EARLY_AP_STARTUP

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=225450

Mark Linimon  changed:

   What|Removed |Added

   Keywords||patch

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[Bug 225791] ena driver causing kernel panics on AWS EC2

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Mark Linimon  changed:

   What|Removed |Added

   Assignee|freebsd-bugs@FreeBSD.org|freebsd-virtualization@Free
   ||BSD.org

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[Bug 225792] ECMP is broken since tryforward()

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Mark Linimon  changed:

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   Assignee|freebsd-bugs@FreeBSD.org|freebsd-...@freebsd.org
   Keywords||regression

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[Bug 225795] panic: found unreferenced mountpoint when accessing and unmounting snapshots in parallel

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=225795

Mark Linimon  changed:

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   Assignee|freebsd-bugs@FreeBSD.org|freebsd...@freebsd.org

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[Bug 225794] VM images for 12.0-CURRENT have problem with USB 3.0 ports

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=225794

Mark Linimon  changed:

   What|Removed |Added

   Assignee|freebsd-bugs@FreeBSD.org|freebsd-virtualization@Free
   ||BSD.org
   Keywords||regression

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[Bug 225838] clang error on 10.4 i386 - ran out of registers during register allocation

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=225838

Mark Linimon  changed:

   What|Removed |Added

   Assignee|freebsd-bugs@FreeBSD.org|freebsd-toolchain@FreeBSD.o
   ||rg

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[Bug 217149] seq(1) inconsistently omits 'last' when using float increment

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=217149

fernando.apesteg...@gmail.com changed:

   What|Removed |Added

 CC||fernando.apesteguia@gmail.c
   ||om

--- Comment #4 from fernando.apesteg...@gmail.com ---
Created attachment 190550
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=190550=edit
patch to /usr.bin/seq/seq.c

I added some lines on top of Yuri's patch to handle the special case of missing
'last'. With this new patch:

$ ./seq 1.6 .05 2
1.6
1.65
1.7
1.75
1.8
1.85
1.9
1.95
2

$ ./seq 1.65 .05 2
1.65
1.7
1.75
1.8
1.85
1.9
1.95
2

$ ./seq 1.1 0.1 1.2
1.1
1.2

$ ./seq 1.1 0.3 1.2
1.1

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[Bug 223969] EFI boot failure with iPXE mapped disks

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=223969

--- Comment #10 from commit-h...@freebsd.org ---
A commit references this bug:

Author: kevans
Date: Mon Feb 12 17:44:38 UTC 2018
New revision: 329175
URL: https://svnweb.freebsd.org/changeset/base/329175

Log:
  MFC Loader Fixes 2017q4p7: r324844,r326089,r326926,r326440,r326484,r326494,
  r326588,r326708,r326784,r326914,r327390,r328446,r326090,r326143,r326144,
  r326182,r326384,r326421,r326440,r326441,r326442,r326443,r326444,r326445,
  r326446,r326447,r326448,r326484,r326485,r326486,r326487,r326488,r326490,
  r326491,r326492,r326493,r326494,r326495,r326504,r326507,r326509,r326584,
  r326585,r326586,r326587,r326588,r326589,r326590,r326591,r326592,r326593,
  r326594,r326600,r326616,r326671,r326707,r326708,r326709,r326710,r326711,
  r326712,r326714,r326720,r326768,r326772,r326784,r326792,r326812,r326854,
  r326855,r326856,r326858,r326886,r326887,r326914,r326926,r326927,r326960,
  r326961,r326962,r326963,r327351,r327453,r327390,r327523,r327524,r326489,
  r327880,r328437,r328438,r328439,r328441,r328446,r328448,r328449,r328612,
  r328613,r328615

  While here, undo our libfdt hack of not including  if we're
  compiling _STANDALONE.

  r324844: When building standalone, don't define errno. Let the definition
from
  stand.h override. This is similar to what we do in the kernel.

  r326089: loader.efi: efipart does not recognize partitionless disks

  r326090: net_parse_rootpath() has no parameters

  r326143: Fix theoretical integer overflow issues. If the product here is

  r326144: Mark the func pointer as __dead2. It looks up loader_main, which

  r326182: Modify all FreeBSD bootloaders on PowerPC AIM (Book-S) systems

  r326384: Use const pointers to avoid casting away constness.

  r326421: loader.efi: efipart should exclude iPXE stub block protocol

  r326440: Remove stale dependency on ufsread.c

  r326441: Minor flags cleanup

  r326442: Cleanup CFALGS usage here

  r326443: We don't need both _STAND and _STANDALONE, use the latter.

  r326444: Move geli to common DO32 stuff

  r326445: Fix random() and srandom() prototypes to match the standard.

  r326446: Undefine _STANDALONE since this is test code.

  r326447: Tweaks to the beri boot loader so that it builds w/o warnings.

  r326448: Fix all warnings related to geli and ZFS support on x86.

  r326484: Const poison the propname.

  r326485: Delcare md_load in libofw.h. Make all prototypes match for ofw

  r326486: Include machine/md_var to pick up __syncicache prototype.

  r326487: Cast mdp (a vm_offset_t) to void * to match prototype.

  r326488: e_entry can be smaller than a pointer. Cast it to an intptr_t

  r326490: Declare our strange brand of main().

  r326491: Disconnet ps3 from the build. There's too many warnings to fix.

  r326492: Cast void * pointer to char * so the arg matches the %s format.

  r326493: Provide a md_load64 prototype.

  r326494: Mark two things as unused (since they are only sometimes used)

  r326495: Now it's safe to bump WARNS to 1.

  r326504: Switch to proper MK_LOADER_GELI tests.

  r326507: increase maximum size of zfsboot

  r326509: loader.efi: add note about iPXE into the efipart.c

  r326584: When building standalone, include stand.h rather than the kernel

  r326585: Include ficl.h before anything else

  r326586: No need to include the userland md5.h, the kernel one is just fine.

  r326587: Use the kernel relative paths, rather than the userland relative
  paths

  r326588: Need to include skein in the include path

  r326589: Make sure we include the right path for skein.h

  r326590: Prefer stdint.h to inttypes.h

  r326591: This isn't NetBSD specific code. Include these for any kernel /

  r326592: Don't inherit CFLAGS. This a specialized test program.

  r326593: Stop building with the standard system headers.

  r326594: Now that we offer a semi-sane standards-ish set of #include files,
  stop hacking includes with sed.

  r326600: Since this is contrib code, create an upstreamable version of my

  r326616: dhcp_try_rfc1048() is not used any more

  r326671: Avoid setting -Wno-tentative-definition-incomplete-type with gcc.

  r326707: Add partial support signal.h functioanlity. Pull in
  machine/signal.h

  r326708: Remove _KERNEL hack now that errno.h does the right thing when
  built standalone.

  r326709: Provide implementations for iscntrl, ispunct and isgraph.

  r326710: Put the files we're copying over into a few variables and clean
  hings up.

  r326711: Const poison a couple of interfaces.

  r326712: Create interp class.

  r326714: boot1.c needs EFI_ZFS_BOOT too, so add it globally.

  r326720: This path belongs in ficl/Makefile, not the common defines for
  users

  r326768: Fix a comment to be more accurate

  r326772: Fix regression with lua import

  r326784: Revert part of 362772. It was causing problems for includes

  r326792: Attempt to unbreak buildworld

  r326812: Revert r326792, r326784, r326772, r326712

  r326854: 

[Bug 225450] 11.1-* panics on AMD Opteron 2k due to EARLY_AP_STARTUP

[bugzilla-noreply]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=225450

--- Comment #16 from John Baldwin  ---
(In reply to Pablo Ruiz from comment #14)
Thanks, this gives me what I was looking for.  We have infinite recursion
because the spin lock code is calling DELAY() which is trying to grab a spin
lock.

One question is why isn't DELAY using the tsc?

Hmm, it seems 'tsc_is_invariant' isn't set.  Are these older AMD CPUs?

You can try this as a hack-workaround to verify it fixes the issue, but I need
to think a bit more about what the right fix might be:

Index: x86/x86/delay.c
===
--- delay.c (revision 329004)
+++ delay.c (working copy)
@@ -72,7 +72,7 @@
func = get_tsc;
mask = ~0u;
} else {
-   if (tc->tc_quality <= 0)
+   if (tc->tc_quality <= 0 || n == 1)
return (0);
func = tc->tc_get_timecount;
mask = tc->tc_counter_mask;

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[Bug 225795] panic: found unreferenced mountpoint when accessing and unmounting snapshots in parallel

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=225795

--- Comment #3 from Alan Somers  ---
Yes, my CURRENT dates from Feb-1.  Would you like me to send you my crash dump
and kernel symbol files?  They'll take around 400 MB.  Or, you could try to
reproduce it yourself.

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[Bug 225795] panic: found unreferenced mountpoint when accessing and unmounting snapshots in parallel

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=225795

Andriy Gapon  changed:

   What|Removed |Added

 CC||a...@freebsd.org

--- Comment #2 from Andriy Gapon  ---
(In reply to Alan Somers from comment #0)
Have you seen this with a recent CURRENT?

I would like to have a dig at the crash dump, if possible.

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[Bug 211360] ESC characters are not interpreted by /bin/sh

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Ellam ByDefault  changed:

   What|Removed |Added

 CC||ellam.bydefa...@gmail.com

--- Comment #7 from Ellam ByDefault  ---
Same bug's here.

FreeBSD 11.1-STABLE (amd64) on PROXMOX KVM with default Display, accessed with
noVNC.

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[Bug 224825] Screen corruption booting 20171227 snapshot

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Mason Loring Bliss  changed:

   What|Removed |Added

   Severity|Affects Only Me |Affects Many People

--- Comment #14 from Mason Loring Bliss  ---
Bumping to "affects many people" as clearly it does.

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[Bug 199152] msdosfs writes on umount to readonly mounted fs

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longw...@incore.de changed:

   What|Removed |Added

 Resolution|--- |FIXED
 Status|In Progress |Closed

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[Bug 202801] panic: spin lock held too long, maybe a pipe issue

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longw...@incore.de changed:

   What|Removed |Added

 CC||longw...@incore.de
 Resolution|--- |Overcome By Events
 Status|New |Closed

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[Bug 192292] eay_cmp_asn1dn() in libcrypto.so.6 is broken after update to openssl 0.9.8za

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longw...@incore.de changed:

   What|Removed |Added

 Status|New |Closed
 CC||longw...@incore.de
 Resolution|--- |Not A Bug

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