Public bug reported:
With Oracular linux-gcp kernel version 6.11.0-1002.2, running the
google-guest-agent causes an error. The guest-agent sets the I/O
scheduler to 'none', causing errors such as below:
```
2024-10-07T09:24:03.262548+00:00 oracular-old-gga-test
google_guest_agent[1125]: panic: invalid return from write: got 256 from a
write of 4
```
With strace, we can also see that the return value of write is
unexpected:
[pid 3127] write(7, "none", 4) = 256
Fix commit is e3accac1a976e65491a9b9fba82ce8ddbd3d2389 ("block: Fix
elv_iosched_local_module handling of "none" scheduler").
** Affects: linux-gcp (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2083845
Title:
Setting I/O scheduler to 'none' causes error in oracular
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