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Message #180347
[Bug 1552551] Re: Dell CERC Adapter hangs temporarily until reset. REGRESSION
Chris,
I tested the newest Ubuntu Mainline Kernel, 4.6.0-040600rc7-generic
#201605081830 and had the same "SCSI hang" errors. (amd64 version)
Dan
On 5/19/2016, "Christopher M. Penalver"
<christopher.m.penalver@xxxxxxxxx> wrote:
>Daniel A. Gauthier, one last issue before upstreaming, could you please
>test the latest mainline kernel (4.6) and advise to the results?
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https://bugs.launchpad.net/bugs/1552551
Title:
Dell CERC Adapter hangs temporarily until reset. REGRESSION
Status in linux package in Ubuntu:
Incomplete
Bug description:
The HD CERC SATA 1.5 RAID controller (PCI-64 slot) hangs regularly for 10-60 seconds until reset.
The CERC card firmware is the newest I can find reference to: 4.1-0 [bld 7419]. The Dell Poweredge 1800 has newest BIOS (A07).
All hardware has been tested thoroughly OK except possibly the APIC component (Serverset Northbridge?).
The 14.04LTS with all updates (or not) works fine with a perfectly consistent throughput of 77MB/s (slowest HD=66MB/s), RAID5.
15.10 has the hangs of 10-60 seconds, AND with newest updates as of 26-FEB-2016.
I have changed PCI interrupts around and moved card slots to minimize sharing and removed cards - repeatedly.
All hard drives and cables have been thoroughly tested, but the drives are mixed: 1 of 66MB/s, 1 of 125 MB/s, and 3 of 100MB/s.
The drives not only work perfectly in 14.04LTS, but all Windows versions and DOS/BIOS-INT 19 as well (0x13).
I have tried all combinations of card RAID options Read ahead, Write cache, and other BIOS options.
Relevant dmesg lines (these were consecutive):
[ 1046.808027] aacraid: Host adapter abort request (4,0,0,0)
[ 1046.808123] aacraid: Host adapter reset request. SCSI hang ?
[ 1297.828038] aacraid: Host adapter abort request (4,0,0,0)
[ 1297.828168] aacraid: Host adapter reset request. SCSI hang ?
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: linux-image-4.2.0-16-generic 4.2.0-16.19
ProcVersionSignature: Ubuntu 4.2.0-16.19-generic 4.2.3
Uname: Linux 4.2.0-16-generic x86_64
ApportVersion: 2.19.1-0ubuntu3
Architecture: amd64
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
CasperVersion: 1.365
CurrentDesktop: Unity
Date: Thu Mar 3 05:08:57 2016
LiveMediaBuild: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
Lsusb:
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
MachineType: Dell Computer Corporation PowerEdge 1800
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 nouveaufb
ProcKernelCmdLine: BOOT_IMAGE=u15.10-64/casper/vmlinuz.efi file=u15.10-64/preseed/username.seed boot=casper netboot=nfs nfsroot=10.100.1.86:/data2/tftpboot/u15.10-64 initrd=u15.10-64/casper/initrd.lz ipv6.disable=1 net.ifnames=0
RelatedPackageVersions:
linux-restricted-modules-4.2.0-16-generic N/A
linux-backports-modules-4.2.0-16-generic N/A
linux-firmware 1.149
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux
UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/29/2006
dmi.bios.vendor: Dell Computer Corporation
dmi.bios.version: A07
dmi.board.name: 0P8611
dmi.board.vendor: Dell Computer Corporation
dmi.board.version: A04
dmi.chassis.type: 17
dmi.chassis.vendor: Dell Computer Corporation
dmi.modalias: dmi:bvnDellComputerCorporation:bvrA07:bd09/29/2006:svnDellComputerCorporation:pnPowerEdge1800:pvr:rvnDellComputerCorporation:rn0P8611:rvrA04:cvnDellComputerCorporation:ct17:cvr:
dmi.product.name: PowerEdge 1800
dmi.sys.vendor: Dell Computer Corporation
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References