a WARNING and a BUG from kernel/lockdep.c
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From: Yong Zhang on 22 Apr 2010 00:40 On Thu, Apr 22, 2010 at 11:31:39AM +0800, Li Zefan wrote: > Maybe this is caused by commit bd6d29c25bb1a24a4c160ec5de43e0004e01f72b > ("lockstat: Make lockstat counting per cpu") Frederic has put patches for it: http://lkml.org/lkml/2010/4/15/391 Thanks, Yong > > ? > > > ============================ > > > ------------[ cut here ]------------ > WARNING: at kernel/lockdep.c:2301 trace_hardirqs_on_caller+0x210/0x220() > Hardware name: Aspire SA85 > Modules linked in: fuse sunrpc ip6t_REJECT nf_conntrack_ipv6 ip6table_filter ip6_tables ipv6 dm_multipath linear ppdev pcspkr parport_pc parport r8169 mii ata_generic pata_acpi sata_sis pata_sis [last unloaded: scsi_wait_scan] > Pid: 2452, comm: java Not tainted 2.6.34-rc5-tip+ #6 > Call Trace: > [<c083c276>] ? printk+0x1d/0x1f > [<c044c1e2>] warn_slowpath_common+0x72/0xa0 > [<c0482500>] ? trace_hardirqs_on_caller+0x210/0x220 > [<c0482500>] ? trace_hardirqs_on_caller+0x210/0x220 > [<c042a52c>] ? __bad_area_nosemaphore+0x2c/0x130 > [<c044c22a>] warn_slowpath_null+0x1a/0x20 > [<c0482500>] trace_hardirqs_on_caller+0x210/0x220 > [<c048251b>] trace_hardirqs_on+0xb/0x10 > [<c042a52c>] __bad_area_nosemaphore+0x2c/0x130 > [<c042a67e>] ? __bad_area+0x2e/0x50 > [<c042a68f>] __bad_area+0x3f/0x50 > [<c0842bd0>] ? do_page_fault+0x0/0x500 > [<c042a6d7>] bad_area_access_error+0x17/0x20 > [<c0842df9>] do_page_fault+0x229/0x500 > [<c084074f>] ? error_code+0x67/0x70 > [<c047e854>] ? trace_hardirqs_off_caller+0x74/0x130 > [<c0842bd0>] ? do_page_fault+0x0/0x500 > [<c0840753>] error_code+0x6b/0x70 > [<c0842bd0>] ? do_page_fault+0x0/0x500 > ---[ end trace 93d0036abe3ab514 ]--- > BUG: using smp_processor_id() in preemptible [00000000] code: java/2452 > caller is trace_hardirqs_on_caller+0x18d/0x220 > Pid: 2452, comm: java Tainted: G W 2.6.34-rc5-tip+ #6 > Call Trace: > [<c083c276>] ? printk+0x1d/0x1f > [<c0627160>] debug_smp_processor_id+0xc0/0xd0 > [<c042a52c>] ? __bad_area_nosemaphore+0x2c/0x130 > [<c048247d>] trace_hardirqs_on_caller+0x18d/0x220 > [<c048251b>] trace_hardirqs_on+0xb/0x10 > [<c042a52c>] __bad_area_nosemaphore+0x2c/0x130 > [<c042a67e>] ? __bad_area+0x2e/0x50 > [<c042a68f>] __bad_area+0x3f/0x50 > [<c0842bd0>] ? do_page_fault+0x0/0x500 > [<c042a6d7>] bad_area_access_error+0x17/0x20 > [<c0842df9>] do_page_fault+0x229/0x500 > [<c084074f>] ? error_code+0x67/0x70 > [<c047e854>] ? trace_hardirqs_off_caller+0x74/0x130 > [<c0842bd0>] ? do_page_fault+0x0/0x500 > [<c0840753>] error_code+0x6b/0x70 > [<c0842bd0>] ? do_page_fault+0x0/0x500 > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo(a)vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ |