Re: port-amd64/39283: Kernel crash on Dell Poweredge 2950

[Tobias Nygren <tnn%NetBSD.org@localhost>]

The following reply was made to PR port-amd64/39283; it has been noted by GNATS.

From: Tobias Nygren <tnn%NetBSD.org@localhost>
To: Mindaugas Rasiukevicius <rmind%netbsd.org@localhost>
Cc: gnats-bugs%NetBSD.org@localhost
Subject: Re: port-amd64/39283: Kernel crash on Dell Poweredge 2950
Date: Wed, 9 Dec 2009 16:18:02 +0100

 It tripped over again. Backtrace is similar to before but not identical.
 Looks like lock recursion now (notice the bnx interrupt).
 Would it be possible (and safe?) to return immediately without doing any
 work if mutex_owned()?
 
 panic: lock error
 cpu_Debugger() at netbsd:cpu_Debugger+0x9
 panic() at netbsd:panic+0x1f6
 lockdebug_abort() at netbsd:lockdebug_abort+0x8f
 mutex_abort() at netbsd:mutex_abort+0x29
 mutex_vector_enter() at netbsd:mutex_vector_enter+0x1c4
 pool_cache_invalidate() at netbsd:pool_cache_invalidate+0x23
 pool_reclaim() at netbsd:pool_reclaim+0x69
 pool_reclaim_callback() at netbsd:pool_reclaim_callback+0x41
 callback_run_roundrobin() at netbsd:callback_run_roundrobin+0x100
 uvm_km_va_drain() at netbsd:uvm_km_va_drain+0x1a
 uvm_map_prepare() at netbsd:uvm_map_prepare+0x1ed
 uvm_map() at netbsd:uvm_map+0x127
 km_vacache_alloc() at netbsd:km_vacache_alloc+0x53
 pool_grow() at netbsd:pool_grow+0x36
 pool_get() at netbsd:pool_get+0x1ca
 uvm_km_alloc_poolpage_cache() at netbsd:uvm_km_alloc_poolpage_cache+0x4a
 pool_page_alloc() at netbsd:pool_page_alloc+0x13
 pool_grow() at netbsd:pool_grow+0x36
 pool_get() at netbsd:pool_get+0x1ca
 pool_cache_get_slow() at netbsd:pool_cache_get_slow+0x1b6
 pool_cache_get_paddr() at netbsd:pool_cache_get_paddr+0x14d
 m_get() at netbsd:m_get+0x26
 m_gethdr() at netbsd:m_gethdr+0x9
 bnx_get_buf() at netbsd:bnx_get_buf+0x75
 bnx_rx_intr() at netbsd:bnx_rx_intr+0x2ac
 bnx_intr() at netbsd:bnx_intr+0xf1
 intr_biglock_wrapper() at netbsd:intr_biglock_wrapper+0x1d
 Xintr_ioapic_level1() at netbsd:Xintr_ioapic_level1+0xf4
 --- interrupt ---
 mutex_enter() at netbsd:mutex_enter+0x11
 pool_reclaim() at netbsd:pool_reclaim+0x69
 pool_reclaim_callback() at netbsd:pool_reclaim_callback+0x41
 callback_run_roundrobin() at netbsd:callback_run_roundrobin+0x100
 uvm_km_va_drain() at netbsd:uvm_km_va_drain+0x1a
 uvm_map_prepare() at netbsd:uvm_map_prepare+0x1ed
 uvm_map() at netbsd:uvm_map+0x127
 km_vacache_alloc() at netbsd:km_vacache_alloc+0x53
 pool_grow() at netbsd:pool_grow+0x36
 pool_get() at netbsd:pool_get+0x1ca
 uvm_km_alloc_poolpage_cache() at netbsd:uvm_km_alloc_poolpage_cache+0x4a
 pool_page_alloc() at netbsd:pool_page_alloc+0x13
 pool_grow() at netbsd:pool_grow+0x36
 pool_get() at netbsd:pool_get+0x1ca
 pool_cache_get_slow() at netbsd:pool_cache_get_slow+0x1b6
 pool_cache_get_paddr() at netbsd:pool_cache_get_paddr+0x14d
 bt_alloc() at netbsd:bt_alloc+0x1d
 vmem_add1() at netbsd:vmem_add1+0xa3
 vmem_xalloc() at netbsd:vmem_xalloc+0x58b
 vmem_alloc() at netbsd:vmem_alloc+0x14d
 qc_poolpage_alloc() at netbsd:qc_poolpage_alloc+0x61
 pool_grow() at netbsd:pool_grow+0x36
 pool_get() at netbsd:pool_get+0x1ca
 pool_cache_get_slow() at netbsd:pool_cache_get_slow+0x1b6
 pool_cache_get_paddr() at netbsd:pool_cache_get_paddr+0x14d
 vmem_alloc() at netbsd:vmem_alloc+0x11e
 kmem_alloc() at netbsd:kmem_alloc+0x198
 amap_copy() at netbsd:amap_copy+0x214
 uvm_fault_internal() at netbsd:uvm_fault_internal+0x30c
 trap() at netbsd:trap+0x7da
 --- trap (number 4233368) ---
 0x152de:
 db{0}> mach cpu 1
 using CPU 1
 db{0}> bt
 x86_pause() at netbsd:x86_pause
 mutex_vector_enter() at netbsd:mutex_vector_enter+0x207
 pool_cache_invalidate() at netbsd:pool_cache_invalidate+0x23
 pool_reclaim() at netbsd:pool_reclaim+0x69
 pool_reclaim_callback() at netbsd:pool_reclaim_callback+0x41
 callback_run_roundrobin() at netbsd:callback_run_roundrobin+0x100
 uvm_km_va_drain() at netbsd:uvm_km_va_drain+0x1a
 uvm_map_prepare() at netbsd:uvm_map_prepare+0x1ed
 uvm_map() at netbsd:uvm_map+0x127
 km_vacache_alloc() at netbsd:km_vacache_alloc+0x53
 pool_grow() at netbsd:pool_grow+0x36
 pool_get() at netbsd:pool_get+0x1ca
 uvm_km_alloc_poolpage_cache() at netbsd:uvm_km_alloc_poolpage_cache+0x4a
 pool_page_alloc() at netbsd:pool_page_alloc+0x13
 pool_grow() at netbsd:pool_grow+0x36
 pool_get() at netbsd:pool_get+0x1ca
 pool_cache_get_slow() at netbsd:pool_cache_get_slow+0x1b6
 pool_cache_get_paddr() at netbsd:pool_cache_get_paddr+0x14d
 bt_alloc() at netbsd:bt_alloc+0x1d
 vmem_xalloc() at netbsd:vmem_xalloc+0x2f5
 vmem_alloc() at netbsd:vmem_alloc+0x14d
 qc_poolpage_alloc() at netbsd:qc_poolpage_alloc+0x61
 pool_grow() at netbsd:pool_grow+0x36
 pool_get() at netbsd:pool_get+0x1ca
 pool_cache_get_slow() at netbsd:pool_cache_get_slow+0x1b6
 pool_cache_get_paddr() at netbsd:pool_cache_get_paddr+0x14d
 vmem_alloc() at netbsd:vmem_alloc+0x11e
 kmem_alloc() at netbsd:kmem_alloc+0x198
 amap_copy() at netbsd:amap_copy+0x214
 uvm_fault_internal() at netbsd:uvm_fault_internal+0x30c
 trap() at netbsd:trap+0x7da
 --- trap (number 4233368) ---
 0x152de:
 db{0}>