Re: How to report bugs (Re: 6.2-STABLE deadlock?)

2007-04-27 Thread Marc G. Fournier
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 - --On Tuesday, April 24, 2007 23:53:16 -0400 Kris Kennaway [EMAIL PROTECTED] wrote: On Wed, Apr 25, 2007 at 10:53:08AM +0800, LI Xin wrote: Hi, Oleg, Oleg Derevenetz wrote: ??? LI Xin [EMAIL PROTECTED]: [...] I'm not very sure if

Re: How to report bugs (Re: 6.2-STABLE deadlock?)

2007-04-27 Thread Nicolas Rachinsky
* Marc G. Fournier [EMAIL PROTECTED] [2007-04-27 16:03 -0300]: A thought: how hard would it be to add some method of forcing a system crash, that would dump core, from the command line? Something that, by default, would Doesn't 'kill -6 1' work anymore? Nicolas --

Re: How to report bugs (Re: 6.2-STABLE deadlock?)

2007-04-27 Thread Marc G. Fournier
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 - --On Friday, April 27, 2007 22:57:29 +0200 Nicolas Rachinsky [EMAIL PROTECTED] wrote: * Marc G. Fournier [EMAIL PROTECTED] [2007-04-27 16:03 -0300]: A thought: how hard would it be to add some method of forcing a system crash, that would

Re: How to report bugs (Re: 6.2-STABLE deadlock?)

2007-04-27 Thread Daniel O'Connor
On Saturday 28 April 2007 04:33, Marc G. Fournier wrote: A thought: how hard would it be to add some method of forcing a system crash, that would dump core, from the command line? Something that, by default, would be disabled, but for remote debugging purposes, one could enable in the kernel

Re: How to report bugs (Re: 6.2-STABLE deadlock?)

2007-04-25 Thread Oleg Derevenetz
Цитирую Kris Kennaway [EMAIL PROTECTED]: Oleg Derevenetz wrote: ??? LI Xin [EMAIL PROTECTED]: [...] I'm not very sure if this is specific to one disk controller. Actually I got some occasional reports about similar hangs on amd64 6.2-RELEASE (slightly patched version) that

Re: How to report bugs (Re: 6.2-STABLE deadlock?)

2007-04-25 Thread LI Xin
Oleg Derevenetz wrote: [snip] Not all people can do deadlock debugging, though. In my case turning on INVARIANTS and WITNESS leads to unacceptable performance penalty due to heavily loaded server. So I can only describe my case, actions and result without providing any debug information.

Re: How to report bugs (Re: 6.2-STABLE deadlock?)

2007-04-25 Thread Kris Kennaway
On Wed, Apr 25, 2007 at 12:14:20PM +0400, Oleg Derevenetz wrote: Until you (or a developer) have analyzed the resulting information, you cannot definitively determine whether or not your problem is the same as a given random other problem, and you may just confuse the issue by making

Re: How to report bugs (Re: 6.2-STABLE deadlock?)

2007-04-25 Thread Oleg Derevenetz
Цитирую Kris Kennaway [EMAIL PROTECTED]: On Wed, Apr 25, 2007 at 12:14:20PM +0400, Oleg Derevenetz wrote: Until you (or a developer) have analyzed the resulting information, you cannot definitively determine whether or not your problem is the same as a given random other problem, and

Re: How to report bugs (Re: 6.2-STABLE deadlock?)

2007-04-25 Thread Kris Kennaway
On Wed, Apr 25, 2007 at 10:20:25PM +0400, Oleg Derevenetz wrote: ??? Kris Kennaway [EMAIL PROTECTED]: On Wed, Apr 25, 2007 at 12:14:20PM +0400, Oleg Derevenetz wrote: Until you (or a developer) have analyzed the resulting information, you cannot definitively determine whether

How to report bugs (Re: 6.2-STABLE deadlock?)

2007-04-24 Thread Kris Kennaway
On Wed, Apr 25, 2007 at 10:53:08AM +0800, LI Xin wrote: Hi, Oleg, Oleg Derevenetz wrote: ??? LI Xin [EMAIL PROTECTED]: [...] I'm not very sure if this is specific to one disk controller. Actually I got some occasional reports about similar hangs on amd64 6.2-RELEASE (slightly