From: Randolph Chung Subject: [parisc-linux] SMP and CONFIG_SLAB_DEBUG Date: Fri, 11 Feb 2005 18:13:10 -0800 Message-ID: <20050212021309.GI2277@tausq.org> Reply-To: Randolph Chung Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii To: parisc-linux@lists.parisc-linux.org Return-Path: List-Id: parisc-linux developers list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: parisc-linux-bounces@lists.parisc-linux.org Has anybody been able to boot a 2.6.11-rc3-pa* kernel SMP with slab debugging enabled? when i tried, i triggered a BUG_ON(): kernel BUG at mm/slab.c:1493! Backtrace: [<10130b34>] printk+0x20/0x2c [<10163d94>] check_irq_off+0x40/0x50 [<10165eec>] do_ccupdate_local+0x10/0x5c [<10114ec4>] ipi_interrupt+0x198/0x250 [<10155ae0>] handle_IRQ_event+0x50/0xa4 [<10155bcc>] __do_IRQ+0x98/0x1e4 the BUG_ON() is checking that irqs are disabled when calling do_ccupdate_local(), which is called as a smp function using IPI. are interrupts supposed to be disabled when ipi_interrupt() is called? did this behaviour change with the recent irq handling changes? randolph -- Randolph Chung Debian GNU/Linux Developer, hppa/ia64 ports http://www.tausq.org/ _______________________________________________ parisc-linux mailing list parisc-linux@lists.parisc-linux.org http://lists.parisc-linux.org/mailman/listinfo/parisc-linux