simplechrome fails with occupying /tmp.

[Hidehiko Abe]

Hi all,

Today, during the chrome build via simplechrome,

I hit chrome link failure due to out of disk.

Looking at disk, /tmp was filled by tons of lto-llvm-${HASH}.o files.

The work around was setting TMPDIR to some disk with enough free space.

The total file size was about 18G.

Is there any change related to this?

Also, even if this is intentional, can we revert it temporarily for a short term fix,

until the problem is addressed...?

Best regards,

- hidehiko

[Yunlian Jiang]

Are you building it with caroline or terra board?

If this is the case, it is because we enabled Thinlto recently.

This patch

https://chromium-review.googlesource.com/c/chromiumos/chromite/+/812113

should fix it.

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[Hidehiko Abe]

On Sat, Dec 9, 2017 at 12:17 AM, Yunlian Jiang <yun...@google.com> wrote:

Are you building it with caroline or terra board?

If this is the case, it is because we enabled Thinlto recently.

Exactly!

 

This patch

https://chromium-review.googlesource.com/c/chromiumos/chromite/+/812113

should fix it.

Great to know. Thank you very much.

- hidehiko

[Yunlian Jiang]

As a workaround,

you can edit the gn file inside chrome-sdk by running

gn args out_$SDK_BOARD/Release

You need to set 

use_thin_lto to false

and remove 

-Wl,-plugin-opt,-import-instr-limit=30 from cros_target_extra_ldflags