Date: Fri, 22 Aug 2003 01:50:33 +0200 From: Thomas Moestl <t.moestl@tu-bs.de> To: Andrew Belashov <bel@orel.ru> Cc: freebsd-sparc64@freebsd.org Subject: Re: Kernel panic in cpu_ipi_send() Message-ID: <20030821235033.GC680@crow.dom2ip.de> In-Reply-To: <3F3A179C.3020104@orel.ru> References: <3F3A179C.3020104@orel.ru>
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On Wed, 2003/08/13 at 14:49:00 +0400, Andrew Belashov wrote:
> Any ideas about this panic:
>
> panic: ipi_send: couldn't send ipi
> cpuid = 1;
> Debugger("panic")
> Stopped at Debugger+0x1c: ta %xcc, 1
>
> db> trace
> panic() at panic+0x134
> cpu_ipi_send() at cpu_ipi_send+0xb0
> cpu_ipi_selected() at cpu_ipi_selected+0x38
> tlb_page_demap() at tlb_page_demap+0x74
> pmap_zero_page_idle() at pmap_zero_page_idle+0xe4
> vm_page_zero_idle() at vm_page_zero_idle+0x74
> vm_pagezero() at vm_pagezero+0xb4
> fork_exit() at fork_exit+0x90
> fork_trampoline() at fork_trampoline+0x8
It should be possible to work around this by bumping IPI_RETRIES in
sys/sparc64/include/smp.h, unless there's a more serious problem in
the background.
- Thomas
--
Thomas Moestl <t.moestl@tu-bs.de> http://www.tu-bs.de/~y0015675/
<tmm@FreeBSD.org> http://people.FreeBSD.org/~tmm/
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