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x/build: plan9-arm builder failing #39605

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fhs opened this issue Jun 16, 2020 · 4 comments
Closed

x/build: plan9-arm builder failing #39605

fhs opened this issue Jun 16, 2020 · 4 comments

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@fhs
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@fhs fhs commented Jun 16, 2020

plan9-arm builder has been failing for recent commits, as well as this TryBot run: https://storage.googleapis.com/go-build-log/6840e38d/plan9-arm_1d4b8428.log

Most of the failures have this error:

fossil/fossil: walk: newfid 0x1110 in use

See:

Other errors ("clone failed", "i/o on hungup channel") may be related:

/CC @0intro

@gopherbot add label Builders, NeedsInvestigation, OS-Plan9

@0intro
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@0intro 0intro commented Jun 16, 2020

@millerresearch
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@millerresearch millerresearch commented Jun 16, 2020

Bizarre. I was doing some filesystem cache experiments on a client machine yesterday. It shouldn't be possible for an out-of-spec client to confuse the server enough to interfere with other client sessions, but that might be what happened. I've restarted the builders and I'll keep and eye on them.

@millerresearch
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@millerresearch millerresearch commented Jun 16, 2020

The restarted builders each succeeded with make.rc and then failed to write back the snapshot with context time exceeded. I wonder if the timeout deadline is long enough to allow for several builders contending for a domestic ADSL connection?

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@millerresearch millerresearch commented Jun 17, 2020

It turns out the bottleneck for writing back snapshots was not ADSL bandwidth but a slow AoE connection. I've reconfigured and the builders are more reliable now. OK to close the issue, I think.

@fhs fhs closed this Jun 17, 2020
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