From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 71231] System unresponsable after a lot of LUNs have been added
to the system
Date: Fri, 11 Apr 2014 13:49:51 +0000
Message-ID:
References:
Mime-Version: 1.0
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: 7bit
Return-path:
Received: from mail.kernel.org ([198.145.19.201]:55729 "EHLO mail.kernel.org"
rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
id S1754211AbaDKNty (ORCPT );
Fri, 11 Apr 2014 09:49:54 -0400
Received: from mail.kernel.org (localhost [127.0.0.1])
by mail.kernel.org (Postfix) with ESMTP id E601F2081B
for ; Fri, 11 Apr 2014 13:49:52 +0000 (UTC)
Received: from bugzilla2.web.kernel.org (bugzilla2.web.kernel.org [172.20.200.52])
by mail.kernel.org (Postfix) with ESMTP id 0829B2080B
for ; Fri, 11 Apr 2014 13:49:52 +0000 (UTC)
In-Reply-To:
Sender: linux-scsi-owner@vger.kernel.org
List-Id: linux-scsi@vger.kernel.org
To: linux-scsi@vger.kernel.org
https://bugzilla.kernel.org/show_bug.cgi?id=71231
--- Comment #15 from Alex ---
After disabling ACPI Processor and cpuidle, I get these four different stack
traces (system is working, but not rebooting anymore for example) several
times:
Call Trace:
[] __mutex_lock_slowpath+0x5d/0x1d0
[] ? __mutex_lock_slowpath+0x1a8/0x1d0
[] mutex_lock+0x1d/0x40
[] sysfs_dentry_revalidate+0x35/0x100
[] lookup_fast+0x299/0x2e0
[] ? __inode_permission+0x46/0x70
[] link_path_walk+0x19a/0x800
[] ? physflat_send_IPI_mask+0x9/0x10
[] path_openat.isra.68+0x94/0x450
[] ? __mutex_lock_slowpath+0x1a8/0x1d0
[] do_filp_open+0x3c/0x90
[] ? __alloc_fd+0x42/0x100
[] do_sys_open+0xef/0x1d0
[] ? do_notify_resume+0x51/0x80
[] compat_SyS_open+0x16/0x20
[] sysenter_dispatch+0x7/0x25
Call Trace:
[] default_idle+0x9/0x10
[] arch_cpu_idle+0xa/0x10
[] cpu_startup_entry+0x91/0x180
[] start_secondary+0x1a0/0x1a4
Call Trace:
[] ? simple_read_from_buffer+0x42/0xa0
[] sysfs_read_file+0xe3/0x190
[] vfs_read+0xa4/0x180
[] SyS_read+0x4d/0x90
[] sysenter_dispatch+0x7/0x25
Call Trace:
[] __mutex_lock_slowpath+0x5d/0x1d0
[] mutex_lock+0x1d/0x40
[] sysfs_getattr+0x2b/0x60
[] vfs_getattr+0x24/0x40
[] vfs_fstat+0x38/0x70
[] ? __alloc_fd+0x42/0x100
[] sys32_fstat64+0x15/0x30
[] ? do_sys_open+0x164/0x1d0
[] sysenter_dispatch+0x7/0x25
I have booted this Multiprocessor server with 40 FC-LUNs connected
(multipathing --> 80).
--
You are receiving this mail because:
You are the assignee for the bug.