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Date: Mon, 28 Oct 2013 20:49:11 +0800 From: Fengguang Wu <fengguang.wu@...el.com> To: Jason Wang <jasowang@...hat.com> Cc: virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [virtio-net] BUG: sleeping function called from invalid context at kernel/mutex.c:616 On Mon, Oct 28, 2013 at 01:44:04PM +0800, Jason Wang wrote: > On 10/24/2013 07:20 AM, Fengguang Wu wrote: > > Yes it reduces the sleeping function bug: > > > > /kernel/x86_64-lkp-CONFIG_SCSI_DEBUG/7c4ed2767afb813493b0a8fb18d666cd44550963 > > > > +------------------------------------------------------------------------------------+-----------+--------------+--------------+ > > | | v3.12-rc3 | 3ab098df35f8 | 7c4ed2767afb | > > +------------------------------------------------------------------------------------+-----------+--------------+--------------+ > > | good_boots | 30 | 0 | 93 | > > | has_kernel_error_warning | 0 | 20 | 7 | > > | BUG:sleeping_function_called_from_invalid_context_at_kernel/mutex.c | 0 | 20 | | > > | INFO:rcu_sched_self-detected_stall_on_CPU(t=jiffies_g=c=q=) | 0 | 0 | 1 | > > | INFO:task_blocked_for_more_than_seconds | 0 | 0 | 2 | > > | INFO:NMI_handler(arch_trigger_all_cpu_backtrace_handler)took_too_long_to_run:msecs | 0 | 0 | 1 | > > | Kernel_panic-not_syncing:hung_task:blocked_tasks | 0 | 0 | 1 | > > | BUG:kernel_test_crashed | 0 | 0 | 3 | > > | BUG:kernel_test_hang | 0 | 0 | 1 | > > +------------------------------------------------------------------------------------+-----------+--------------+--------------+ > > > > However I'll need to increase tests on v3.12-rc3 to make sure it's not > > the patch that added the other error messages. > > > > Thanks, > > Fengguang > > Thanks, any more update on the result of v3.12-rc3 for this? Yes, it's confirmed that there are no new error types in 7c4ed2767afb comparing to v3.12-rc3, so your fix is fine. /kernel/x86_64-lkp-CONFIG_SCSI_DEBUG/7c4ed2767afb813493b0a8fb18d666cd44550963 +------------------------------------------------------------------------------------+-----------+--------------+--------------+ | | v3.12-rc3 | 3ab098df35f8 | 7c4ed2767afb | +------------------------------------------------------------------------------------+-----------+--------------+--------------+ | good_boots | 877 | 0 | 93 | | has_kernel_error_warning | 154 | 20 | 7 | | BUG:kernel_test_hang | 112 | 0 | 1 | | INFO:rcu_sched_self-detected_stall_on_CPU(t=jiffies_g=c=q=) | 1 | 0 | 1 | | INFO:task_blocked_for_more_than_seconds | 18 | 0 | 2 | | INFO:NMI_handler(arch_trigger_all_cpu_backtrace_handler)took_too_long_to_run:msecs | 11 | 0 | 1 | | Kernel_panic-not_syncing:hung_task:blocked_tasks | 11 | 0 | 1 | | BUG:kernel_test_crashed | 13 | 0 | 3 | | Out_of_memory:Kill_process | 9 | | | | BUG:kernel_early_hang_without_any_printk_output | 1 | | | | page_allocation_failure:order:,mode | 1 | | | | Kernel_panic-not_syncing:Out_of_memory_and_no_killable_processes | 2 | | | | BUG:sleeping_function_called_from_invalid_context_at_kernel/mutex.c | 0 | 20 | | +------------------------------------------------------------------------------------+-----------+--------------+--------------+ Thanks, Fengguang -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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