Bug#1087807: linux-image-6.1.0-27-amd64: Unable to boot: i40e swiotlb buffer is full

From	Ben Hutchings <ben@decadent.org.uk>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#1087807: linux-image-6.1.0-27-amd64: Unable to boot: i40e swiotlb buffer is full
Date	2025-02-20 23:20 +0100
Message-ID	<Kin3H-HH4-1@gated-at.bofh.it> (permalink)
References	<KhYI1-sco-1@gated-at.bofh.it> <Kin3H-HH4-3@gated-at.bofh.it> <JKhk5-9QKH-1@gated-at.bofh.it> <Kin3H-HH4-3@gated-at.bofh.it>
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Hi Adam,

On Thu, 2025-02-20 at 11:32 +0000, Adam Thorn wrote:
> On 19/02/2025 20:12, Ben Hutchings wrote:
> 
> Hi Ben,
> 
> 
> NB all of the following is without specifying swiotlb=$VAL on the kernel 
> cmdline, and booting with the Xen hypervisor.
> 
>  > To confirm this, please can you test:
>  >
>  > 1. Is this fixed in the latest released kernel for bookworm (version
>  > 6.1.128-1)?  If it is, you can stop here.
> 
> 1. booting 6.1.128-1 (linux-image-6.1.0-31-amd64) still fails with the 
> same "swiotlb buffer is full" error logged
> 
>  > 2. Is this fixed in version 6.1.128-1a~test from
>  > <https://people.debian.org/~benh/packages/linux-xen-regression/>?
>  > (This reverts the above change.)
> 
> 2: I've installed 
> linux-image-6.1.0-0.a.test-amd64-unsigned_6.1.128-1a~test_amd64.deb 
> (uname -a includes "6.1.128-1a~test"). That booted fine.
> 
>  > 3. Is this fixed in version 6.1.128-1a~test2, from the same place?
>  > (This adds an upstream fix on top of the above change.)
> 
> 3. I then installed 
> linux-image-6.1.0-0.a.test-amd64-unsigned_6.1.128-1a~test2_amd64.deb 
> (uname -a includes " 6.1.128-1a~test2"). That also boots fine.

Thank you for testing and confirming the fix.  This fix should be
included in the next update to bookworm.

Ben.

-- 
Ben Hutchings
I'm not a reverse psychological virus.
Please don't copy me into your signature.

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Bug#1087807: linux-image-6.1.0-27-amd64: Unable to boot: i40e swiotlb buffer is full Ben Hutchings <ben@decadent.org.uk> - 2025-02-19 21:20 +0100
  Bug#1087807: linux-image-6.1.0-27-amd64: Unable to boot: i40e swiotlb buffer is full Ben Hutchings <ben@decadent.org.uk> - 2025-02-20 23:20 +0100

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