* glibc nptl tst-robustpi8.c crashes since v5.0.3-rt1
@ 2019-05-29 10:20 He Zhe
2019-06-03 16:38 ` Sebastian Andrzej Siewior
0 siblings, 1 reply; 4+ messages in thread
From: He Zhe @ 2019-05-29 10:20 UTC (permalink / raw)
To: linux-rt-users
Hi,
Since v5.0.3-rt1, glibc/nptl/tst-robustpi8.c causes the following crash.
https://github.com/lattera/glibc/blob/master/nptl/tst-robustpi8.c
root@intel-x86-64:~# ./tst-robustpi8
007: ------------[ cut here ]------------
007: kernel BUG at /buildarea2/zhe/repo/linux-rt-devel/kernel/locking/rtmutex.c:1336!
007: invalid opcode: 0000 [#1] PREEMPT SMP PTI
007: CPU: 7 PID: 536 Comm: tst-robustpi8 Tainted: G W 5.0.3-yocto-preempt-rt+ #23
007: Hardware name: Intel Corporation Broadwell Client platform/Basking Ridge, BIOS BDW-E2R1.86C.0118.R01.1503110618 03/11/2015
007: RIP: 0010:task_blocks_on_rt_mutex+0x211/0x240
007: Code: 89 de 4c 89 e7 e8 0f f7 ff ff 4c 89 e7 e8 f7 f7 ff ff 49 8b 84 24 30 09 00 00 31 d2 48 83 f8 02 0f 97 c2 e9 07 ff ff ff 0f 0b <0f> 0b 0f 0b 48 89 5d c8 e9 99 fe ff ff b8 dd ff ff ff e9 61 ff ff
007: RSP: 0018:ffffa15c41adfab0 EFLAGS: 00010096
007:
007: RAX: ffffa15c41adfc80 RBX: ffffa15c41adfb50 RCX: 0000000000000000
007: RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff9af85af288d0
007: RBP: ffffa15c41adfaf0 R08: 0000000000000001 R09: 0000000000000000
007: R10: 0000000000000000 R11: ffff9af85af283a8 R12: ffff9af85af20000
007: R13: ffff9af85af288d0 R14: ffff9af85af28000 R15: ffffa15c414a2308
007: FS: 00007fac9dd8b700(0000) GS:ffff9af878fc0000(0000) knlGS:0000000000000000
007: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
007: CR2: 000055fd7d150240 CR3: 000000005af18005 CR4: 00000000003606e0
007: Call Trace:
007: rt_spin_lock_slowlock_locked+0x87/0x230
007: rt_spin_lock_slowlock+0x67/0xa0
007: rt_spin_lock+0x38/0x40
007: ? futex_lock_pi+0x2cd/0x490
007: futex_lock_pi+0x2cd/0x490
007: ? hrtimer_init_sleeper+0x130/0x130
007: do_futex+0x330/0xc40
007: ? trace_hardirqs_on_thunk+0x1a/0x1c
007: ? _copy_from_user+0x36/0x70
007: __se_sys_futex+0x7f/0x170
007: __x64_sys_futex+0x29/0x30
007: do_syscall_64+0x55/0x130
007: entry_SYSCALL_64_after_hwframe+0x49/0xbe
007: RIP: 0033:0x7fac9f7590c4
007: Code: 85 c0 0f 84 ee 03 00 00 be 06 00 00 00 45 85 c0 0f 84 b0 04 00 00 4c 8b 54 24 18 ba 01 00 00 00 48 89 df b8 ca 00 00 00 0f 05 <3d> 00 f0 ff ff 0f 86 59 04 00 00 83 f8 92 74 72 89 c2 83 e2 df 83
007: RSP: 002b:00007fac9dd8ade0 EFLAGS: 00000202
007: ORIG_RAX: 00000000000000ca
007: RAX: ffffffffffffffda RBX: 00007fac9f7727d0 RCX: 00007fac9f7590c4
007: RDX: 0000000000000001 RSI: 0000000000000006 RDI: 00007fac9f7727d0
007: RBP: 00007fac9f7727e0 R08: 0000000000000010 R09: 0000000000000000
007: R10: 000055fd7d150240 R11: 0000000000000202 R12: 00007ffe550b363e
007: R13: 0000000000000218 R14: 00007fac9dd8b700 R15: 0000000000000000
007: Modules linked in:
007:
007: ---[ end trace ae0f59c8162f348b ]---
007: RIP: 0010:task_blocks_on_rt_mutex+0x211/0x240
007: Code: 89 de 4c 89 e7 e8 0f f7 ff ff 4c 89 e7 e8 f7 f7 ff ff 49 8b 84 24 30 09 00 00 31 d2 48 83 f8 02 0f 97 c2 e9 07 ff ff ff 0f 0b <0f> 0b 0f 0b 48 89 5d c8 e9 99 fe ff ff b8 dd ff ff ff e9 61 ff ff
007: RSP: 0018:ffffa15c41adfab0 EFLAGS: 00010096
007:
007: RAX: ffffa15c41adfc80 RBX: ffffa15c41adfb50 RCX: 0000000000000000
007: RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff9af85af288d0
007: RBP: ffffa15c41adfaf0 R08: 0000000000000001 R09: 0000000000000000
007: R10: 0000000000000000 R11: ffff9af85af283a8 R12: ffff9af85af20000
007: R13: ffff9af85af288d0 R14: ffff9af85af28000 R15: ffffa15c414a2308
007: FS: 00007fac9dd8b700(0000) GS:ffff9af878fc0000(0000) knlGS:0000000000000000
007: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
007: CR2: 000055fd7d150240 CR3: 000000005af18005 CR4: 00000000003606e0
Zhe
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: glibc nptl tst-robustpi8.c crashes since v5.0.3-rt1
2019-05-29 10:20 glibc nptl tst-robustpi8.c crashes since v5.0.3-rt1 He Zhe
@ 2019-06-03 16:38 ` Sebastian Andrzej Siewior
2019-06-26 16:51 ` Sebastian Andrzej Siewior
0 siblings, 1 reply; 4+ messages in thread
From: Sebastian Andrzej Siewior @ 2019-06-03 16:38 UTC (permalink / raw)
To: He Zhe; +Cc: linux-rt-users
On 2019-05-29 18:20:56 [+0800], He Zhe wrote:
> Hi,
Hi,
> Since v5.0.3-rt1, glibc/nptl/tst-robustpi8.c causes the following crash.
> https://github.com/lattera/glibc/blob/master/nptl/tst-robustpi8.c
thank you for the report.
> root@intel-x86-64:~# ./tst-robustpi8
> 007: ------------[ cut here ]------------
> 007: kernel BUG at /buildarea2/zhe/repo/linux-rt-devel/kernel/locking/rtmutex.c:1336!
…
> 007: Call Trace:
> 007: rt_spin_lock_slowlock_locked+0x87/0x230
> 007: rt_spin_lock_slowlock+0x67/0xa0
> 007: rt_spin_lock+0x38/0x40
> 007: ? futex_lock_pi+0x2cd/0x490
> 007: futex_lock_pi+0x2cd/0x490
> 007: do_futex+0x330/0xc40
> 007: __se_sys_futex+0x7f/0x170
…
this is due to commit
1a1fb985f2e2b ("futex: Handle early deadlock return correctly")
let me see what I can do…
> Zhe
Sebastian
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: glibc nptl tst-robustpi8.c crashes since v5.0.3-rt1
2019-06-03 16:38 ` Sebastian Andrzej Siewior
@ 2019-06-26 16:51 ` Sebastian Andrzej Siewior
2019-06-27 2:26 ` He Zhe
0 siblings, 1 reply; 4+ messages in thread
From: Sebastian Andrzej Siewior @ 2019-06-26 16:51 UTC (permalink / raw)
To: He Zhe; +Cc: linux-rt-users
On 2019-06-03 18:38:53 [+0200], To He Zhe wrote:
> On 2019-05-29 18:20:56 [+0800], He Zhe wrote:
> > Hi,
Hi,
> > Since v5.0.3-rt1, glibc/nptl/tst-robustpi8.c causes the following crash.
> > https://github.com/lattera/glibc/blob/master/nptl/tst-robustpi8.c
>
> thank you for the report.
>
> > root@intel-x86-64:~# ./tst-robustpi8
> > 007: ------------[ cut here ]------------
> > 007: kernel BUG at /buildarea2/zhe/repo/linux-rt-devel/kernel/locking/rtmutex.c:1336!
> …
> > 007: Call Trace:
> > 007: rt_spin_lock_slowlock_locked+0x87/0x230
> > 007: rt_spin_lock_slowlock+0x67/0xa0
> > 007: rt_spin_lock+0x38/0x40
> > 007: ? futex_lock_pi+0x2cd/0x490
> > 007: futex_lock_pi+0x2cd/0x490
> > 007: do_futex+0x330/0xc40
> > 007: __se_sys_futex+0x7f/0x170
> …
>
> let me see what I can do…
I released v5.0.21-rt14 which addresses the issue.
> > Zhe
>
Sebastian
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: glibc nptl tst-robustpi8.c crashes since v5.0.3-rt1
2019-06-26 16:51 ` Sebastian Andrzej Siewior
@ 2019-06-27 2:26 ` He Zhe
0 siblings, 0 replies; 4+ messages in thread
From: He Zhe @ 2019-06-27 2:26 UTC (permalink / raw)
To: Sebastian Andrzej Siewior; +Cc: linux-rt-users
On 6/27/19 12:51 AM, Sebastian Andrzej Siewior wrote:
> On 2019-06-03 18:38:53 [+0200], To He Zhe wrote:
>> On 2019-05-29 18:20:56 [+0800], He Zhe wrote:
>>> Hi,
> Hi,
>
>>> Since v5.0.3-rt1, glibc/nptl/tst-robustpi8.c causes the following crash.
>>> https://github.com/lattera/glibc/blob/master/nptl/tst-robustpi8.c
>> thank you for the report.
>>
>>> root@intel-x86-64:~# ./tst-robustpi8
>>> 007: ------------[ cut here ]------------
>>> 007: kernel BUG at /buildarea2/zhe/repo/linux-rt-devel/kernel/locking/rtmutex.c:1336!
>> …
>>> 007: Call Trace:
>>> 007: rt_spin_lock_slowlock_locked+0x87/0x230
>>> 007: rt_spin_lock_slowlock+0x67/0xa0
>>> 007: rt_spin_lock+0x38/0x40
>>> 007: ? futex_lock_pi+0x2cd/0x490
>>> 007: futex_lock_pi+0x2cd/0x490
>>> 007: do_futex+0x330/0xc40
>>> 007: __se_sys_futex+0x7f/0x170
>> …
>>
>> let me see what I can do…
> I released v5.0.21-rt14 which addresses the issue.
Thanks, I'll give a try ASAP
Zhe
>
>>> Zhe
> Sebastian
>
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2019-06-27 2:27 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2019-05-29 10:20 glibc nptl tst-robustpi8.c crashes since v5.0.3-rt1 He Zhe
2019-06-03 16:38 ` Sebastian Andrzej Siewior
2019-06-26 16:51 ` Sebastian Andrzej Siewior
2019-06-27 2:26 ` He Zhe
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