lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:	Sat, 8 Dec 2007 11:00:47 -0500
From:	"Parag Warudkar" <>
To:	"Ingo Molnar" <>
Cc:	"Thomas Gleixner" <>,
	"Pallipadi, Venkatesh" <>,
	LKML <>,
	"Andrew Morton" <>,
	"Linus Torvalds" <>
Subject: Re: soft lockup - CPU#1 stuck for 15s! [swapper:0]

On Dec 8, 2007 10:47 AM, Ingo Molnar <> wrote:
> does the patch below help? But the root cause is likely some timer
> problems - do you get consistent results from:

Haven't yet tried the patch - will try a little later.

>    while :; do time usleep 1111111; done
> or do these sleeps fluctuate?

They seem to fluctuate - not sure if that's supposed to be exact or if
below variations are normal -
This is when my compiles are running -

[parag@...i ~]$ while :; do time usleep 1111111; done

real    0m1.116s
user    0m0.000s
sys     0m0.000s

real    0m1.112s
user    0m0.000s
sys     0m0.000s

real    0m1.130s
user    0m0.000s
sys     0m0.004s

real    0m1.144s
user    0m0.000s
sys     0m0.000s

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

Powered by blists - more mailing lists