[Bug 90601] panic on write to 3ware raid array

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=90601

--- Comment #18 from merlin@liao.homelinux.org ---
Created attachment 174171
  --> https://bugzilla.kernel.org/attachment.cgi?id=174171&action=edit
dmesg

I finally managed to get a dmesg output with the crashing kernel.

Especially this part might indicate the root of the problem?
[Thu Apr 16 13:02:10 2015] ------------[ cut here ]------------
[Thu Apr 16 13:02:10 2015] WARNING: CPU: 6 PID: 1736 at lib/dma-debug.c:601
debug_dma_assert_idle+0x17c/0x1e0()
[Thu Apr 16 13:02:10 2015] 3w-sas 0000:03:00.0: DMA-API: cpu touching an active
dma mapped cacheline [cln=0x0000000101ff8e00]
[Thu Apr 16 13:02:10 2015] Modules linked in:
[Thu Apr 16 13:02:10 2015] CPU: 6 PID: 1736 Comm: mount Not tainted
4.0.0-gentoo #1
[Thu Apr 16 13:02:11 2015] Hardware name: Supermicro
X9DR7/E-(J)LN4F/X9DR7/E-(J)LN4F, BIOS 3.0a 09/10/2013
[Thu Apr 16 13:02:11 2015]  ffffffff8170e0f5 ffff88406050fcb8 ffffffff814c8778
000000000000009a
[Thu Apr 16 13:02:11 2015]  ffff88406050fd08 ffff88406050fcf8 ffffffff8107c250
ffff884060422e08
[Thu Apr 16 13:02:11 2015]  ffff8840647fe5e0 0000000000000206 ffffea00e1bf9ce8
ffff884060422e08
[Thu Apr 16 13:02:11 2015] Call Trace:
[Thu Apr 16 13:02:11 2015]  [<ffffffff814c8778>] dump_stack+0x45/0x57
[Thu Apr 16 13:02:11 2015]  [<ffffffff8107c250>] warn_slowpath_common+0x80/0xc0
[Thu Apr 16 13:02:11 2015]  [<ffffffff8107c2d1>] warn_slowpath_fmt+0x41/0x50
[Thu Apr 16 13:02:11 2015]  [<ffffffff812b9dfc>]
debug_dma_assert_idle+0x17c/0x1e0
[Thu Apr 16 13:02:11 2015]  [<ffffffff81114814>] do_wp_page+0xc4/0x810
[Thu Apr 16 13:02:11 2015]  [<ffffffff8111744c>] handle_mm_fault+0xb3c/0x10f0
[Thu Apr 16 13:02:11 2015]  [<ffffffff8111ca6d>] ? do_mmap_pgoff+0x34d/0x400
[Thu Apr 16 13:02:11 2015]  [<ffffffff81070ec6>] __do_page_fault+0x146/0x390
[Thu Apr 16 13:02:11 2015]  [<ffffffff8107114c>] do_page_fault+0xc/0x10
[Thu Apr 16 13:02:11 2015]  [<ffffffff814cf252>] page_fault+0x22/0x30
[Thu Apr 16 13:02:11 2015] ---[ end trace 326b0530baa65706 ]---


I was still able to login with root after that and reproduce the crash with
another backtrace. See the next attachment.

-- 
You are receiving this mail because:
You are the assignee for the bug.