Re: lockdep question (was Re: IPoIB caused a kernel: BUG: soft lockup detected on CPU#0!)

2007-03-11 Thread Ingo Molnar
* Michael S. Tsirkin <[EMAIL PROTECTED]> wrote: > After adding some printks, I started getting these: > > [ 597.036720] BUG: MAX_STACK_TRACE_ENTRIES too low! this should go away if you double the size of MAX_STACK_TRACE_ENTRIES in kernel/lockdep_internals.h. (keep it a power of two) If it

Re: lockdep question (was Re: IPoIB caused a kernel: BUG: soft lockup detected on CPU#0!)

2007-03-11 Thread Michael S. Tsirkin
After adding some printks, I started getting these: [ 597.036720] BUG: MAX_STACK_TRACE_ENTRIES too low! [ 597.041546] turning off the locking correctness validator. [ 597.047135] [] save_trace+0x8a/0x8f [ 597.051751] [] mark_lock+0x65/0x3ff [ 597.056366] [] save_trace+0x3e/0x8f [

Re: lockdep question (was Re: IPoIB caused a kernel: BUG: soft lockup detected on CPU#0!)

2007-03-11 Thread Peter Zijlstra
On Sun, 2007-03-11 at 15:50 +0200, Michael S. Tsirkin wrote: > > Quoting Roland Dreier <[EMAIL PROTECTED]>: > > Subject: Re: IPoIB caused a kernel: BUG: soft lockup detected on CPU#0! > > > > >Feb 27 17:47:52 sw169 kernel: [] > > >_spin_lock_irqsave+0x15/0x24 > > >Feb 27 17:47:52 sw169 kernel:

Re: lockdep question (was Re: IPoIB caused a kernel: BUG: soft lockup detected on CPU#0!)

2007-03-11 Thread Michael S. Tsirkin
> Quoting Michael S. Tsirkin <[EMAIL PROTECTED]>: > Subject: Re: lockdep question (was Re: IPoIB caused a kernel: BUG: soft > lockup detected on CPU#0!) > > > After adding some printks, I started getting these: > > [ 597.036720] BUG: MAX_STACK_TRACE_ENTRIES too low! > [ 597.041546] turning

lockdep question (was Re: IPoIB caused a kernel: BUG: soft lockup detected on CPU#0!)

2007-03-11 Thread Michael S. Tsirkin
> Quoting Roland Dreier <[EMAIL PROTECTED]>: > Subject: Re: IPoIB caused a kernel: BUG: soft lockup detected on CPU#0! > > >Feb 27 17:47:52 sw169 kernel: [] > >_spin_lock_irqsave+0x15/0x24 > >Feb 27 17:47:52 sw169 kernel: [] > >:ib_ipoib:ipoib_neigh_destructor+0xc2/0x139 > > It looks like

lockdep question (was Re: IPoIB caused a kernel: BUG: soft lockup detected on CPU#0!)

2007-03-11 Thread Michael S. Tsirkin
Quoting Roland Dreier [EMAIL PROTECTED]: Subject: Re: IPoIB caused a kernel: BUG: soft lockup detected on CPU#0! Feb 27 17:47:52 sw169 kernel: [8053aaf1] _spin_lock_irqsave+0x15/0x24 Feb 27 17:47:52 sw169 kernel: [88067a23] :ib_ipoib:ipoib_neigh_destructor+0xc2/0x139

Re: lockdep question (was Re: IPoIB caused a kernel: BUG: soft lockup detected on CPU#0!)

2007-03-11 Thread Michael S. Tsirkin
Quoting Michael S. Tsirkin [EMAIL PROTECTED]: Subject: Re: lockdep question (was Re: IPoIB caused a kernel: BUG: soft lockup detected on CPU#0!) After adding some printks, I started getting these: [ 597.036720] BUG: MAX_STACK_TRACE_ENTRIES too low! [ 597.041546] turning off the

Re: lockdep question (was Re: IPoIB caused a kernel: BUG: soft lockup detected on CPU#0!)

2007-03-11 Thread Peter Zijlstra
On Sun, 2007-03-11 at 15:50 +0200, Michael S. Tsirkin wrote: Quoting Roland Dreier [EMAIL PROTECTED]: Subject: Re: IPoIB caused a kernel: BUG: soft lockup detected on CPU#0! Feb 27 17:47:52 sw169 kernel: [8053aaf1] _spin_lock_irqsave+0x15/0x24 Feb 27 17:47:52 sw169 kernel:

Re: lockdep question (was Re: IPoIB caused a kernel: BUG: soft lockup detected on CPU#0!)

2007-03-11 Thread Michael S. Tsirkin
After adding some printks, I started getting these: [ 597.036720] BUG: MAX_STACK_TRACE_ENTRIES too low! [ 597.041546] turning off the locking correctness validator. [ 597.047135] [c023a922] save_trace+0x8a/0x8f [ 597.051751] [c023ae8c] mark_lock+0x65/0x3ff [ 597.056366] [c023a8d6]

Re: lockdep question (was Re: IPoIB caused a kernel: BUG: soft lockup detected on CPU#0!)

2007-03-11 Thread Ingo Molnar
* Michael S. Tsirkin [EMAIL PROTECTED] wrote: After adding some printks, I started getting these: [ 597.036720] BUG: MAX_STACK_TRACE_ENTRIES too low! this should go away if you double the size of MAX_STACK_TRACE_ENTRIES in kernel/lockdep_internals.h. (keep it a power of two) If it doesnt