On 6/27/19 12:51 AM, Sebastian Andrzej Siewior wrote:

On 2019-06-03 18:38:53 [+0200], To He Zhe wrote:

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On 2019-05-29 18:20:56 [+0800], He Zhe wrote:

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Hi,

Hi,
 

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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.

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root@intel-x86-64:~# ./tst-robustpi8
007: ------------[ cut here ]------------
007: kernel BUG at /buildarea2/zhe/repo/linux-rt-devel/kernel/locking/rtmutex.c:1336!

…

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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

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Zhe

Sebastian