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Bug #1976

closed

ahcicam hang ups?

Added by pavalos about 13 years ago. Updated about 13 years ago.

Status:
Closed
Priority:
High
Assignee:
dillon
Category:
-
Target version:
-
Start date:
Due date:
% Done:

0%

Estimated time:

Description

I've been having issues with parallel builds on my SMP laptop (and I
occansionally see this on ylem). Processes get stuck in the achicam
state, and my disk is pretty much useless after that. I can't get a
core dump, and in fact I can't even get the box to panic:

rama:~# sysctl debug.panic=1
load: 0.00 cmd: zsh 17678 [ahcicam] 0.00u 0.00s 0% 812k

I think Matt has seen this happen on ylem (the rtorrent that couldn't be
killed). I'm not sure what to do about this when the box is in this
state.

I think Sascha has also seen this.

Any suggestions?

--Peter

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 #1

Updated by dillon about 13 years ago

:I've been having issues with parallel builds on my SMP laptop (and I
:occansionally see this on ylem). Processes get stuck in the achicam
:state, and my disk is pretty much useless after that. I can't get a
:core dump, and in fact I can't even get the box to panic:
:
:rama:~# sysctl debug.panic=1
:load: 0.00 cmd: zsh 17678 [ahcicam] 0.00u 0.00s 0% 812k
:
:I think Matt has seen this happen on ylem (the rtorrent that couldn't be
:killed). I'm not sure what to do about this when the box is in this
:state.
:
:I think Sascha has also seen this.
:
:Any suggestions?
:
:--Peter

I think the rtorrent issue is different than your ahcicam issue.
    I've never seen the "ahcicam" issue before ever, it's a new issue.
    I can start running parallel builds on my laptop(s) to try to
    reproduce it.
-Matt
                    Matthew Dillon 
                    <>
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 #2

Updated by pavalos about 13 years ago

It looks like you fixed it in c9f7645b973a801d99a9ae073ff8363caf483082.

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