Your message dated Sat, 5 Dec 2020 15:14:45 +0100
with message-id <[email protected]>
and subject line Re: Bug#963607: xen-hypervisor-4.11-amd64: Xen Hypervisor 
kernel fails to load arcmsr module with "arcmsr0: dma_alloc_coherent got error" 
message.
has caused the Debian Bug report #963607,
regarding xen-hypervisor-4.11-amd64: Xen Hypervisor kernel fails to load arcmsr 
module with "arcmsr0: dma_alloc_coherent got error" message.
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
963607: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=963607
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: xen-hypervisor-4.11-amd64
Version: 4.11.3+24-g14b62ab3e5-1~deb10u1
Severity: important

Dear Maintainer,

After updating to Buster and Xen 4.11 our machine no longer boots the Xen 
kernel.  The default kernel 4.19.118-2+deb10u1 boots normally. 

The machine has an Areca 1882IX-16 card in it when the arcmsr module
tries to load the following error appears. 

        Areca RAID Controller0: Model ARC-1882, F/W V1.56 2019-07-30
        arcmsr0: dma_alloc_coherent got error

No drives are discovered and the initramfs prompt is shown.  

The machine:
 * Supermicro X9DRW 
 * Dual Intel(R) Xeon(R) CPU E5-2630L v2 @ 2.40GHz
 * 128G RAM
 * Areca ARC-1882IX-16 (1G onboard cache)

Nothing I have tried is effective:
 * Turning on BIOS above 4G decoding stops the Intel 10GBE ixgbe driver from 
functioning and doesn't fix the arcmsr
 * Unloading and reloading the arcmsr module from initramfs prompt
 * Downgrading the Areca 1882 bios to v1.52 as per 
http://faq.areca.com.tw/index.php?action=artikel&cat=7&id=902&artlang=en
 * Kernel parameters
 ** pci=nocrs 
 ** dom0_mem=8G 
 ** mem=3072M
 ** mem2048M cma=1024M
 ** cma=2048
 ** cma=3076@512M
 ** iommu=1 intel_iommu=1 
 ** arcmsr.host_can_queue=64 as per 
http://faq.areca.com.tw/index.php?action=artikel&cat=15&id=387&artlang=en

I expected the arcmsr module to load and detect disks as it does with
the stock kernel.

I can provide sysctl and dmesg output if it helps.


-- System Information:
Debian Release: 10.4
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 4.19.0-9-amd64 (SMP w/24 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), 
LANGUAGE=en_US:en (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

xen-hypervisor-4.11-amd64 depends on no packages.

Versions of packages xen-hypervisor-4.11-amd64 recommends:
ii  xen-hypervisor-common  4.11.3+24-g14b62ab3e5-1~deb10u1
ii  xen-utils-4.11         4.11.3+24-g14b62ab3e5-1~deb10u1

xen-hypervisor-4.11-amd64 suggests no packages.

-- no debconf information

--- End Message ---
--- Begin Message ---
Hi,

On 11/27/20 11:19 AM, Alex Sanderson wrote:
> 
> I ended up replacing the card with an mpt3 card and haven't had any 
> issues since.  The problem was not resolved with the Areca 1882 but I 
> guess it will be buried in history :)

Yeah. Good to hear the replacement helped.

Closing now.

Hans

--- End Message ---

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