Re: questions on nonsleepable lock

2007-08-15 Thread Andrey V. Elsukov
Ronnel P. Maglasang wrote: this is getting to be a serious problem in freebsd. i'm also encountering the same panic problem. my box runs on freebsd 6.1 with ipfw, pf, forwarding/routing enabled and several network-based applications. the panic occurs when the system is subjected to a very high

Re: questions on nonsleepable lock

2007-08-15 Thread Ronnel P. Maglasang
this is getting to be a serious problem in freebsd. i'm also encountering the same panic problem. my box runs on freebsd 6.1 with ipfw, pf, forwarding/routing enabled and several network-based applications. the panic occurs when the system is subjected to a very high traffic load and some applicat

Re: questions on nonsleepable lock

2007-08-15 Thread John Baldwin
On Wednesday 15 August 2007 02:27:56 am Nex Mon wrote: > Hello All, > > Can someone point me out or explain the technical details of this kernel > panic: > > sleeping thread (tid 100093, pid 2676) owns nonsleepable lock > panic: sleeping thread > -- > -- > > > Is this caused by incorrect use of

Re: questions on nonsleepable lock

2007-08-15 Thread Roman Divacky
On Wed, Aug 15, 2007 at 05:10:48PM +0800, Nex Mon wrote: > thanks for your reply. > > i didn't use WITNESS. it is disabled. > > is their a list a list of which locks are sleepable and non-sleepable > in FreeBSD6.2? is sleeping triggered by a call to "sleep", IO operation > or a result of context

Re: questions on nonsleepable lock

2007-08-15 Thread Nex Mon
thanks for your reply. i didn't use WITNESS. it is disabled. is their a list a list of which locks are sleepable and non-sleepable in FreeBSD6.2? is sleeping triggered by a call to "sleep", IO operation or a result of context switching by kernel? thanks On 8/15/07, Roman Divacky <[EMAIL PROTECT

Re: questions on nonsleepable lock

2007-08-15 Thread Roman Divacky
On Wed, Aug 15, 2007 at 02:27:56PM +0800, Nex Mon wrote: > Hello All, > > Can someone point me out or explain the technical details of this kernel > panic: > > sleeping thread (tid 100093, pid 2676) owns nonsleepable lock > panic: sleeping thread it just says that some thread owns a nonsleepable

questions on nonsleepable lock

2007-08-14 Thread Nex Mon
Hello All, Can someone point me out or explain the technical details of this kernel panic: sleeping thread (tid 100093, pid 2676) owns nonsleepable lock panic: sleeping thread -- -- Is this caused by incorrect use of mutex or semaphores? Is this related to kernel scheduling? Can this be address