From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 60644] MPT2SAS drops all HDDs when under high I/O
Date: Mon, 29 Jul 2013 11:27:46 +0000
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https://bugzilla.kernel.org/show_bug.cgi?id=60644
Sreekanth Reddy changed:
What |Removed |Added
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CC| |sreekanth.reddy@lsi.com
--- Comment #3 from Sreekanth Reddy ---
Hi,
Can you please provide the driver logs my setting the driver logging level to
0x3f8.
Here are the steps to set the mpt2sas driver logging level
a.While loading the driver
modprobe mpt2sas logging_level=0x3f8
b. If driver is in ramdisk, then in RHEL5/SLES/OEL5 OS, following line has to
be added in /etc/modprobe.conf and reboot the system
options mpt2sas logging_level=0x3f8
(Or)
Add below word at the end of kernel module parameters line in
/boot/grub/menu.lst or /boot/grub/grub.conf file and reboot the system
mpt2sas.logging_level=0x3f8
c. During driver run time
echo 0x3f8 > /sys/module/mpt2sas/parameters/logging_level
Also please provide us the IO rate at which you are faceing this problem.
Regards,
Sreekanth
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