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[Xen-devel] Fwd: [BUG] task jbd2/xvda4-8:174 blocked for more than 120 seconds.

From: Samuel Thibault <admin@xxxxxxxxxxxx>
To: xen-devel@xxxxxxxxxxxxx, xen@xxxxxxxxxxxxxxxxxxx
Subject: Re: [admin] [BUG] task jbd2/xvda4-8:174 blocked for more than 120 


Sacha, le ven. 08 févr. 2019 18:00:22 +0100, a ecrit:
> On  Debian GNU/Linux 9.7 (stretch) amd64, we have a bug on the last Xen
> Hypervisor version:
>     xen-hypervisor-4.8-amd64 4.8.5+shim4.10.2+xsa282

(Read: 4.8.5+shim4.10.2+xsa282-1+deb9u11)

> The rollback on the previous package version corrected the problem:
>     xen-hypervisor-4.8-amd64 4.8.4+xsa273+shim4.10.1+xsa273-1+deb9u10

(Only the hypervisor needed to be downgraded to fix the issue)

> The errors are on the domU a frozen file system until a kernel panic.

(not really a kernel panic, just a warning that processes are stuck for
more than 2m waiting for fs I/O).

So it looks like the deb9u11 update brought issues with the vbd
behavior, did anybody experience this?

The dom0 and domU kernels are linux-image-4.9.0-8-amd64 4.9.130-2.


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