From: Allen Pais <allen.pais@oracle.com>
To: Kirill Tkhai <tkhai@yandex.ru>
Cc: linux-rt-users <linux-rt-users@vger.kernel.org>,
"sparclinux@vger.kernel.org" <sparclinux@vger.kernel.org>,
"davem@davemloft.net" <davem@davemloft.net>,
"bigeasy@linutronix.de" <bigeasy@linutronix.de>
Subject: Re: [PATCH 3/4] sparc64: convert spinlock_t to raw_spinlock_t in mmu_context_t
Date: Wed, 12 Feb 2014 13:18:33 +0530 [thread overview]
Message-ID: <52FB2751.2070101@oracle.com> (raw)
In-Reply-To: <341392153219@web17g.yandex.ru>
On Wednesday 12 February 2014 02:43 AM, Kirill Tkhai wrote:
>
>
> 06.01.2014, 07:56, "Allen Pais" <allen.pais@oracle.com>:
>> In the attempt of get PREEMPT_RT working on sparc64 using
>> linux-stable-rt version 3.10.22-rt19+, the kernel crash
>> with the following trace:
>>
>> [ 1487.027884] I7: <rt_mutex_setprio+0x3c/0x2c0>
>> [ 1487.027885] Call Trace:
>> [ 1487.027887] [00000000004967dc] rt_mutex_setprio+0x3c/0x2c0
>> [ 1487.027892] [00000000004afe20] task_blocks_on_rt_mutex+0x180/0x200
>> [ 1487.027895] [0000000000819114] rt_spin_lock_slowlock+0x94/0x300
>> [ 1487.027897] [0000000000817ebc] __schedule+0x39c/0x53c
>> [ 1487.027899] [00000000008185fc] schedule+0x1c/0xc0
>> [ 1487.027908] [000000000048fff4] smpboot_thread_fn+0x154/0x2e0
>> [ 1487.027913] [000000000048753c] kthread+0x7c/0xa0
>> [ 1487.027920] [00000000004060c4] ret_from_syscall+0x1c/0x2c
>> [ 1487.027922] [0000000000000000] (null)
>>
Now, consistently I've been getting sun4v_data_access_exception.
Here's the trace:
[ 4673.360121] sun4v_data_access_exception: ADDR[0000080000000000] CTX[0000] TYPE[0004], going.
[ 4673.360124] \|/ ____ \|/
[ 4673.360124] "@'/ .. \`@"
[ 4673.360124] /_| \__/ |_\
[ 4673.360124] \__U_/
[ 4673.360128] hackbench(4183): Dax [#1]
[ 4673.360137] CPU: 5 PID: 4183 Comm: hackbench Tainted: G W 3.10.24-rt22+ #12
[ 4673.360141] task: fffff80f9c793840 ti: fffff80f9b270000 task.ti: fffff80f9b270000
[ 4673.360146] TSTATE: 0000004411e01606 TPC: 0000000000407b64 TNPC: 0000000000407b68 Y: 00000000 Tainted: G W
[ 4673.360157] TPC: <tsb_flush+0x4/0x40>
[ 4673.360160] g0: fffff80f9c7c54b8 g1: 0000000000000001 g2: 0000000000008000 g3: 0000000000000000
[ 4673.360163] g4: fffff80f9c793840 g5: fffff80fcfc9c000 g6: fffff80f9b270000 g7: 0000000000000000
[ 4673.360167] o0: 0000080000000130 o1: 000003ffffe00400 o2: 0000000000878e48 o3: 0000000000000000
[ 4673.360170] o4: 0000000000000002 o5: 0000000000000000 sp: fffff80f9b272ec1 ret_pc: 00000000004520d0
[ 4673.360177] RPC: <flush_tsb_user+0x70/0x120>
[ 4673.360180] l0: 0000000000000001 l1: fffff80fd0800870 l2: 0000080000000000 l3: 00000000000001ff
[ 4673.360183] l4: fffff80f9852ea00 l5: fffff80f9852ee10 l6: 0000000000a87000 l7: 0000000000000000
[ 4673.360185] i0: fffff80fd0800868 i1: 0000000000000000 i2: 0000000000000000 i3: 0000000000000000
[ 4673.360187] i4: 0000000000000002 i5: 0000000000000030 i6: fffff80f9b272f71 i7: 00000000004515a8
[ 4673.360192] I7: <flush_tlb_pending+0x68/0xe0>
[ 4673.360193] Call Trace:
[ 4673.360198] [00000000004515a8] flush_tlb_pending+0x68/0xe0
[ 4673.360203] [000000000045185c] arch_leave_lazy_mmu_mode+0x3c/0x60
[ 4673.360210] [000000000052e520] unmap_single_vma+0x400/0x6c0
[ 4673.360213] [000000000052e808] unmap_vmas+0x28/0x60
[ 4673.360220] [0000000000530cc8] exit_mmap+0x88/0x160
[ 4673.360226] [000000000045e0d4] mmput+0x34/0xe0
[ 4673.360236] [00000000004669fc] do_exit+0x1fc/0xa40
[ 4673.360241] [0000000000467270] do_group_exit+0x30/0xe0
[ 4673.360245] [000000000046733c] SyS_exit_group+0x1c/0x40
[ 4673.360256] [0000000000406234] linux_sparc_syscall+0x34/0x44
[ 4673.360260] Caller[00000000004515a8]: flush_tlb_pending+0x68/0xe0
[ 4673.360264] Caller[000000000045185c]: arch_leave_lazy_mmu_mode+0x3c/0x60
[ 4673.360267] Caller[000000000052e520]: unmap_single_vma+0x400/0x6c0
[ 4673.360270] Caller[000000000052e808]: unmap_vmas+0x28/0x60
[ 4673.360274] Caller[0000000000530cc8]: exit_mmap+0x88/0x160
[ 4673.360277] Caller[000000000045e0d4]: mmput+0x34/0xe0
[ 4673.360280] Caller[00000000004669fc]: do_exit+0x1fc/0xa40
[ 4673.360284] Caller[0000000000467270]: do_group_exit+0x30/0xe0
[ 4673.360287] Caller[000000000046733c]: SyS_exit_group+0x1c/0x40
[ 4673.360291] Caller[0000000000406234]: linux_sparc_syscall+0x34/0x44
- Allen
next prev parent reply other threads:[~2014-02-12 7:48 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1388980510-10190-1-git-send-email-allen.pais@oracle.com>
2014-02-05 3:31 ` [PATCH 0/4] PREEMPT_RT support for sparc64 Allen Pais
2014-02-05 8:28 ` Sebastian Andrzej Siewior
2014-02-05 10:38 ` Allen Pais
2014-02-05 10:43 ` Sebastian Andrzej Siewior
2014-02-05 10:51 ` Allen Pais
[not found] ` <1388980510-10190-4-git-send-email-allen.pais@oracle.com>
[not found] ` <341392153219@web17g.yandex.ru>
2014-02-12 7:48 ` Allen Pais [this message]
2014-02-12 8:33 ` [PATCH 3/4] sparc64: convert spinlock_t to raw_spinlock_t in mmu_context_t Kirill Tkhai
2014-02-12 11:28 ` Allen Pais
2014-02-12 11:43 ` Kirill Tkhai
2014-02-12 12:14 ` Allen Pais
2014-02-12 12:45 ` Kirill Tkhai
2014-02-12 13:05 ` Allen Pais
2014-02-19 3:53 ` Allen Pais
2014-02-19 8:09 ` Kirill Tkhai
2014-02-19 8:12 ` Allen Pais
2014-02-19 8:57 ` Kirill Tkhai
2014-02-19 8:59 ` Allen Pais
2014-02-19 9:13 ` Allen Pais
2014-02-19 9:25 ` Kirill Tkhai
2014-02-19 9:31 ` Allen Pais
2014-02-26 7:51 ` Allen Pais
2014-02-28 14:51 ` Kirill Tkhai
2014-03-04 19:10 ` David Miller
2014-03-04 20:28 ` David Miller
2014-03-05 4:30 ` Allen Pais
2014-03-06 21:36 ` David Miller
2014-03-07 14:05 ` Sebastian Andrzej Siewior
2014-03-04 20:39 ` Kirill Tkhai
2014-03-07 13:41 ` Sebastian Andrzej Siewior
2014-03-04 20:03 ` David Miller
2014-03-04 21:26 ` Kirill Tkhai
2014-03-04 20:01 ` David Miller
2014-03-05 4:34 ` Allen Pais
2014-03-05 4:52 ` David Miller
2014-03-04 19:59 ` David Miller
2014-03-04 19:55 ` David Miller
2014-03-04 20:44 ` Kirill Tkhai
2014-03-07 14:29 ` Sebastian Andrzej Siewior
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=52FB2751.2070101@oracle.com \
--to=allen.pais@oracle.com \
--cc=bigeasy@linutronix.de \
--cc=davem@davemloft.net \
--cc=linux-rt-users@vger.kernel.org \
--cc=sparclinux@vger.kernel.org \
--cc=tkhai@yandex.ru \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).