https://bugzilla.kernel.org/show_bug.cgi?id=81861
--- Comment #23 from linux-...@crashplan.pro ---
On the Linux-scsi mailing list a possible patch was introduced that has been
tested to fix another appearance of the mvsas port expander mvs_task_prep
panic.
In that case the resulting panics for
https://bugzilla.kernel.org/show_bug.cgi?id=81861
--- Comment #21 from Nathan R nathan.renniewaldock+kernelb...@gmail.com ---
(In reply to Nathan R from comment #20)
There seems to be various issues with this driver. After reverting that
commit, I can load the driver, but insmod takes a long
https://bugzilla.kernel.org/show_bug.cgi?id=81861
--- Comment #22 from Nathan R nathan.renniewaldock+kernelb...@gmail.com ---
Created attachment 164841
-- https://bugzilla.kernel.org/attachment.cgi?id=164841action=edit
Patched mvsas dmesg in kernel 3.18.3
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Christian Vilhelm christian.vilh...@univ-lille2.fr changed:
What|Removed |Added
CC|
https://bugzilla.kernel.org/show_bug.cgi?id=81861
linux-...@crashplan.pro changed:
What|Removed |Added
Kernel Version|3.16.0 |3.17.1
--- Comment #18 from
https://bugzilla.kernel.org/show_bug.cgi?id=81861
Leon Woestenberg sidebranch.li...@gmail.com changed:
What|Removed |Added
CC|
https://bugzilla.kernel.org/show_bug.cgi?id=81861
--- Comment #16 from linux-...@crashplan.pro ---
When line-by-line dumping the called constants/vars from:
469del_q = TXQ_MODE_I | tag |
470(TXQ_CMD_STP TXQ_CMD_SHIFT) |
471(MVS_PHY_ID TXQ_PHY_SHIFT) |
472
: end_device-Y:0:Z: dev
error handler - general protection fault, RIP: mvs_task_prep_ata+0x80/0x3a0
https://bugzilla.kernel.org/show_bug.cgi?id=81861
--- Comment #16 from linux-...@crashplan.pro ---
When line-by-line dumping the called constants/vars from:
469del_q = TXQ_MODE_I | tag
https://bugzilla.kernel.org/show_bug.cgi?id=81861
--- Comment #13 from linux-...@crashplan.pro ---
It dies between printing the second and the third variable:
[ 30.455440] sas: DONE DISCOVERY on port 0, pid:128, result:0
[ 30.455502] sas: Enter sas_scsi_recover_host busy: 0 failed: 0
[
https://bugzilla.kernel.org/show_bug.cgi?id=81861
--- Comment #14 from linux-...@crashplan.pro ---
By the way:
printk(%d, mvi-tx_prod]);
was changed to:
printk(%d, mvi-tx_prod);
The square bracket after tx_prod was removed.
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--- Comment #15 from linux-...@crashplan.pro ---
Created attachment 147881
-- https://bugzilla.kernel.org/attachment.cgi?id=147881action=edit
Ubuntu Linux/x86_64 3.13.0-35-generic Kernel Configuration
This kernel configuration was used to build
https://bugzilla.kernel.org/show_bug.cgi?id=81861
--- Comment #6 from linux-...@crashplan.pro ---
When connecting just a single 4 drive group to the good ports (for example 2C)
of the external PCIe expander card:
cold boot = doesn't detect any of the 4 PUIS drives
warm boot = does detect all 4
https://bugzilla.kernel.org/show_bug.cgi?id=81861
--- Comment #7 from linux-...@crashplan.pro ---
Created attachment 147751
-- https://bugzilla.kernel.org/attachment.cgi?id=147751action=edit
smartctl -a /dev/sdb (HDS5C3020BLE630)
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--- Comment #8 from linux-...@crashplan.pro ---
Comment on attachment 145681
-- https://bugzilla.kernel.org/attachment.cgi?id=145681
Dmesg output from boot
This is without loading the mvsas kernel module.
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--- Comment #9 from linux-...@crashplan.pro ---
re: Thats not a sensible resolution, it can't be faulting on that line.
Another try using a newer version of package gdb-minimal (Ubuntu 7.7-0ubuntu3.2
from trusty-proposed) gives these identical
https://bugzilla.kernel.org/show_bug.cgi?id=81861
--- Comment #10 from linux-...@crashplan.pro ---
Another test round to see whether there is a difference in crash whether using
cold or warm boot:
5C + cold boot = mvs_task_prep+0x72e/0xd50 [mvsas]
5C + warm boot = mvs_task_prep+0x72e/0xd50
https://bugzilla.kernel.org/show_bug.cgi?id=81861
--- Comment #11 from linux-...@crashplan.pro ---
Created attachment 147771
-- https://bugzilla.kernel.org/attachment.cgi?id=147771action=edit
sg_ses PCIe port expander card output
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--- Comment #12 from Alan a...@lxorguk.ukuu.org.uk ---
0xa01c481e +1838:mov0x254(%rbx),%ecx
is loading an offset from something. It can't be line 471.
It could be line 472, or could be 468. but the offset looks way too big to
https://bugzilla.kernel.org/show_bug.cgi?id=81861
Alan a...@lxorguk.ukuu.org.uk changed:
What|Removed |Added
CC||a...@lxorguk.ukuu.org.uk
https://bugzilla.kernel.org/show_bug.cgi?id=81861
--- Comment #3 from linux-...@crashplan.pro ---
Because Ubuntu doesn't provide debug symbols for their mainline kernel builds
http://comments.gmane.org/gmane.linux.ubuntu.devel.kernel.general/40661 I am
reverting back to their kernel version
https://bugzilla.kernel.org/show_bug.cgi?id=81861
--- Comment #4 from linux-...@crashplan.pro ---
Trying to debug mvs_task_prep with the help of the tutorial at
http://www.opensourceforu.com/2011/01/understanding-a-kernel-oops/.
# cat /sys/module/mvsas/sections/.init.text
0xa00c8000
#
https://bugzilla.kernel.org/show_bug.cgi?id=81861
linux-...@crashplan.pro changed:
What|Removed |Added
Summary|mvsas.ko v0.8.16 error |Oops by mvsas v0.8.16: sas:
https://bugzilla.kernel.org/show_bug.cgi?id=81861
--- Comment #2 from linux-...@crashplan.pro ---
Created attachment 145681
-- https://bugzilla.kernel.org/attachment.cgi?id=145681action=edit
Dmesg output from boot
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