From: Peter Hurley <peter@hurleysoftware.com>
To: sparclinux@vger.kernel.org
Subject: Re: RED state exception (trap type 0x64) on U5 reboot
Date: Sat, 30 Nov 2013 23:07:41 +0000 [thread overview]
Message-ID: <529A6FBD.7030908@hurleysoftware.com> (raw)
In-Reply-To: <alpine.SOC.1.00.1310151347070.902@math.ut.ee>
On 11/29/2013 02:31 AM, Meelis Roos wrote:
>>>>> First I compared the configurations of working and nonworking machines
>>>>> (there were 2 different machines from the same era with problem), then
>>>>> did some conf bisecting and found that CONFIG_SUN_OPENPROMFS causes the
>>>>> RED problem in 3.12-rc5 when compiled modular and module loaded. It did
>>>>> not happen when it was compiled statically, or modular but module was
>>>>> not loaded. Reduced minimalistic configuration that causes this on Ultra
>>>>> 5 is attached to this mail.
>>
>> Is the problem unique to these 2 machines given this configuration, or is
>> the problem reproduceable on other machines using this configuration?
>
> Tried it on Sun E3500 with the same minimal config modified to boot
> there (scsi + console differences), did not trigger. I did get some
> other warning with all the lockdep config enabled, will investigate them
> separately.
Is the warning you received this one from your other email?
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2826 at kernel/lockdep.c:3535 check_flags+0x7c/0x240()
DEBUG_LOCKS_WARN_ON(current->hardirqs_enabled)
Modules linked in: openpromfs
CPU: 0 PID: 2826 Comm: reboot Tainted: G W 3.12.0 #133
Call Trace:
[0000000000454b6c] warn_slowpath_common+0x4c/0x80
[0000000000454c4c] warn_slowpath_fmt+0x2c/0x40
[0000000000499e3c] check_flags+0x7c/0x240
[000000000049d000] lock_acquire+0x20/0x80
[000000000077afe8] _raw_spin_lock+0x28/0x40
[00000000005f8ef4] p1275_cmd_direct+0x14/0x60
[00000000005f8980] prom_reboot+0x20/0x40
[0000000000434c88] machine_restart+0x48/0x60
[000000000047d9cc] kernel_restart+0x4c/0x60
[000000000047db34] SyS_reboot+0x134/0x200
[00000000004060b4] linux_sparc_syscall32+0x34/0x40
---[ end trace 4759822ebc3658d5 ]---
possible reason: unannotated irqs-off.
irq event stamp: 3799
hardirqs last enabled at (3799): [<0000000000404b1c>] rtrap_xcall+0x18/0x20
hardirqs last disabled at (3797): [<0000000000459380>] __do_softirq+0x100/0x180
softirqs last enabled at (3798): [<00000000004593dc>] __do_softirq+0x15c/0x180
softirqs last disabled at (3791): [<000000000042b89c>] do_softirq+0x5c/0xa0
Regards,
Peter Hurley
next prev parent reply other threads:[~2013-11-30 23:07 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-15 11:51 RED state exception (trap type 0x64) on U5 reboot Meelis Roos
2013-10-21 8:58 ` Meelis Roos
2013-10-23 15:00 ` Peter Hurley
2013-10-24 11:48 ` Meelis Roos
2013-11-17 20:35 ` Meelis Roos
2013-11-17 20:52 ` Meelis Roos
2013-11-18 6:21 ` Meelis Roos
2013-11-18 12:41 ` Peter Hurley
2013-11-18 13:51 ` Peter Hurley
2013-11-18 15:46 ` Meelis Roos
2013-11-19 14:23 ` Peter Hurley
2013-11-20 11:50 ` Peter Hurley
2013-11-27 17:39 ` Meelis Roos
2013-11-28 1:38 ` Meelis Roos
2013-11-28 16:47 ` Meelis Roos
2013-11-29 7:31 ` Meelis Roos
2013-11-30 21:42 ` Meelis Roos
2013-11-30 23:04 ` Peter Hurley
2013-11-30 23:07 ` Peter Hurley [this message]
2013-12-01 1:18 ` Peter Hurley
2013-12-01 1:31 ` Meelis Roos
2013-12-01 1:32 ` Meelis Roos
2013-12-01 2:07 ` Peter Hurley
2013-12-01 2:40 ` Peter Hurley
2013-12-01 8:16 ` Meelis Roos
2013-12-01 14:39 ` Peter Hurley
2013-12-03 16:11 ` Meelis Roos
2013-12-03 16:47 ` Peter Hurley
2013-12-04 15:35 ` Meelis Roos
2013-12-06 15:54 ` Peter Hurley
2014-06-16 9:21 ` Meelis Roos
2014-06-16 14:37 ` Peter Hurley
2014-06-16 15:14 ` Christoph Lameter
2014-06-17 10:38 ` Meelis Roos
2014-06-17 14:14 ` Christoph Lameter
2014-06-17 15:50 ` Meelis Roos
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