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, 20 Jan 2014 18:39:38 +0000
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https://bugzilla.kernel.org/show_bug.cgi?id=60644
--- Comment #45 from Jeff Johnson ---
I ran more detailed tests this weekend.
ASPM & MSI disabled = stable machine under zfs load
ASPM disabled / MSI enabled = stable machine under zfs load
ASPM enabled / MSI disabled = unstable, lost an HBA under zfs load
Hardware:
Supermicro X8DTH-iF, BIOS 2.1b (current)
2x Xeon X5670, 48GB DDR3 1333Mhz Reg/ECC
3x LSI 9207-8i, phase 18 firmware
36x Seagate ST32000444SS
It appears to be ASPM and vulnerability to issue may vary by chipset. I know
other motherboards mentioned in this thread have a different chipset. I have
other systems in the field with similar components but with a C206 chipset
based motherboard and these issues are not occurring.
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