Re: Guest crash with 2.6.27-rc6 (a different one)
Dan Smith wrote: Hi, After hitting the pvclock-related issue, I recompiled my 2.6.27-rc6 kernel without CONFIG_KVM_CLOCK. It stays up far longer, but I see the following guest crash when I stress it (with a source build): Are you using 4K stacks? If so, please try with 8K stacks and report. -- error compiling committee.c: too many arguments to function -- To unsubscribe from this list: send the line unsubscribe kvm in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
Guest crash with 2.6.27-rc6 (a different one)
Hi, After hitting the pvclock-related issue, I recompiled my 2.6.27-rc6 kernel without CONFIG_KVM_CLOCK. It stays up far longer, but I see the following guest crash when I stress it (with a source build): BUG: unable to handle kernel paging request at d97b8000 IP: [c0496f64] __slab_alloc+0x1cd/0x3a1 Oops: 0002 [#1] SMP DEBUG_PAGEALLOC Modules linked in: ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 ipt_REJECT iptable_filter ip_tables bridge stp ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi scsi_transport_iscsi nfs lockd nfs_acl sunrpc ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables x_tables ipv6 dm_mirror dm_log dm_multipath dm_mod virtio_net floppy pcspkr virtio_pci i2c_piix4 i2c_core sr_mod cdrom ata_piix pata_acpi ata_generic ext3 jbd mbcache [last unloaded: microcode] Pid: 3020, comm: sed Not tainted (2.6.27-rc6 #1) EIP: 0060:[c0496f64] EFLAGS: 00210006 CPU: 0 EIP is at __slab_alloc+0x1cd/0x3a1 EAX: 5a5a5a5a EBX: 0009 ECX: 0800 EDX: 2000 ESI: c15f9f20 EDI: d97b8000 EBP: c096ed0c ESP: c096ece0 DS: 007b ES: 007b FS: 00d8 GS: SS: 0068 Process sed (pid: 3020, ti=c096e000 task=d93d14e0 task.ti=d9024000) Stack: d97b8000 c096ecec 0020 df83cbe0 d93d14e0 0020 00200292 00b8 c096ed3c c049738d c06196a1 c18abd58 c06196a1 0020 df83cbe0 00200286 05fa 0020 d8ed4700 c096ed60 Call Trace: [c049738d] ? kmem_cache_alloc+0x63/0xd1 [c06196a1] ? __alloc_skb+0x2e/0x10c [c06196a1] ? __alloc_skb+0x2e/0x10c [c06196a1] ? __alloc_skb+0x2e/0x10c [c061979b] ? __netdev_alloc_skb+0x1c/0x39 [e08572ac] ? try_fill_recv+0x37/0x153 [virtio_net] [c044ab9a] ? lock_release_holdtime+0x43/0x48 [e08579b4] ? virtnet_poll+0x239/0x2f7 [virtio_net] [c06209a5] ? net_rx_action+0xde/0x204 [c0432f93] ? __do_softirq+0x89/0xf1 [c0432f0a] ? __do_softirq+0x0/0xf1 [c0406e51] ? do_softirq+0x7e/0xdf [c046b8e2] ? handle_fasteoi_irq+0x0/0xbd [c0432e6c] ? irq_exit+0x4c/0x8b [c0406f57] ? do_IRQ+0xa5/0xbe [c040558c] ? common_interrupt+0x28/0x30 [c0499b45] ? css_put+0x20/0x23 [c0499bfa] ? __mem_cgroup_uncharge_common+0xb2/0xce [c0499d4d] ? mem_cgroup_uncharge_page+0x12/0x14 [c048aa06] ? page_remove_rmap+0xe4/0xfd [c0484a8b] ? unmap_vmas+0x36d/0x50d [c0487d23] ? exit_mmap+0x57/0xa2 [c042c60f] ? mmput+0x3f/0x90 [c043012d] ? exit_mm+0xed/0xf5 [c0431375] ? do_exit+0x1cc/0x734 [c044354b] ? up_read+0x1b/0x2e [c0431963] ? sys_exit_group+0x0/0x16 [c0431977] ? sys_exit_group+0x14/0x16 [c0404b96] ? syscall_call+0x7/0xb === Code: fe ff 89 45 d4 8b 45 e4 f6 40 01 08 74 2c 89 f0 e8 54 e5 ff ff ba 00 10 00 00 8b 7d d4 89 c1 b8 5a 5a 5a 5a d3 e2 89 d1 c1 e9 02 f3 ab f6 c2 02 74 02 66 ab f6 c2 01 74 01 aa 8b 5d d4 89 5d f0 EIP: [c0496f64] __slab_alloc+0x1cd/0x3a1 SS:ESP 0068:c096ece0 Kernel panic - not syncing: Fatal exception in interrupt [ cut here ] WARNING: at kernel/smp.c:332 smp_call_function_mask+0x38/0x18a() Modules linked in: ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 ipt_REJECT iptable_filter ip_tables bridge stp ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi scsi_transport_iscsi nfs lockd nfs_acl sunrpc ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables x_tables ipv6 dm_mirror dm_log dm_multipath dm_mod virtio_net floppy pcspkr virtio_pci i2c_piix4 i2c_core sr_mod cdrom ata_piix pata_acpi ata_generic ext3 jbd mbcache [last unloaded: microcode] Pid: 3020, comm: sed Tainted: G D 2.6.27-rc6 #1 [c042e716] warn_on_slowpath+0x46/0x6a [c0518b58] ? __delay+0xe/0x10 [c04757e0] ? time_hardirqs_off+0xe/0x1f [c044b056] ? trace_hardirqs_off_caller+0x15/0x97 [c044b0e3] ? trace_hardirqs_off+0xb/0xd [c04757e0] ? time_hardirqs_off+0xe/0x1f [c04757e0] ? time_hardirqs_off+0xe/0x1f [c044b056] ? trace_hardirqs_off_caller+0x15/0x97 [c044b0e3] ? trace_hardirqs_off+0xb/0xd [c042ecff] ? release_console_sem+0x1be/0x1c6 [c0451826] smp_call_function_mask+0x38/0x18a [c041512a] ? stop_this_cpu+0x0/0x4f [c04757e0] ? time_hardirqs_off+0xe/0x1f [c044b056] ? trace_hardirqs_off_caller+0x15/0x97 [c044b0e3] ? trace_hardirqs_off+0xb/0xd [c0692018] ? _spin_unlock_irqrestore+0x3e/0x55 [c04152d2] ? native_smp_send_stop+0x4/0x6e [c04714f1] ? ftrace_record_ip+0x1b3/0x1cc [c0692018] ? _spin_unlock_irqrestore+0x3e/0x55 [c045198f] smp_call_function+0x17/0x19 [c04152ee] native_smp_send_stop+0x20/0x6e [c042e62f] panic+0x53/0xf4 [c06924e1] oops_end+0x87/0x9b [c040608e] die+0x5c/0x64 [c0693ec9] do_page_fault+0x4f5/0x5af [c06939d4] ? do_page_fault+0x0/0x5af [c06922b2] error_code+0x72/0x78 [c048007b] ? shrink_page_list+0x3ba/0x560 [c0496f64] ? __slab_alloc+0x1cd/0x3a1 [c049738d]
Re: Guest crash with 2.6.27-rc6 (a different one)
On Tue, Sep 23, 2008 at 4:44 PM, Dan Smith [EMAIL PROTECTED] wrote: Hi, After hitting the pvclock-related issue, I recompiled my 2.6.27-rc6 kernel without CONFIG_KVM_CLOCK. It stays up far longer, but I see the following guest crash when I stress it (with a source build): BUG: unable to handle kernel paging request at d97b8000 IP: [c0496f64] __slab_alloc+0x1cd/0x3a1 Oops: 0002 [#1] SMP DEBUG_PAGEALLOC It seems to be the same kind of oops, so maybe it's a plain kernel bug ? Have you tested this on baremetal ? Modules linked in: ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 ipt_REJECT iptable_filter ip_tables bridge stp ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi scsi_transport_iscsi nfs lockd nfs_acl sunrpc ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables x_tables ipv6 dm_mirror dm_log dm_multipath dm_mod virtio_net floppy pcspkr virtio_pci i2c_piix4 i2c_core sr_mod cdrom ata_piix pata_acpi ata_generic ext3 jbd mbcache [last unloaded: microcode] Pid: 3020, comm: sed Not tainted (2.6.27-rc6 #1) EIP: 0060:[c0496f64] EFLAGS: 00210006 CPU: 0 EIP is at __slab_alloc+0x1cd/0x3a1 EAX: 5a5a5a5a EBX: 0009 ECX: 0800 EDX: 2000 ESI: c15f9f20 EDI: d97b8000 EBP: c096ed0c ESP: c096ece0 DS: 007b ES: 007b FS: 00d8 GS: SS: 0068 Process sed (pid: 3020, ti=c096e000 task=d93d14e0 task.ti=d9024000) Stack: d97b8000 c096ecec 0020 df83cbe0 d93d14e0 0020 00200292 00b8 c096ed3c c049738d c06196a1 c18abd58 c06196a1 0020 df83cbe0 00200286 05fa 0020 d8ed4700 c096ed60 Call Trace: [c049738d] ? kmem_cache_alloc+0x63/0xd1 [c06196a1] ? __alloc_skb+0x2e/0x10c [c06196a1] ? __alloc_skb+0x2e/0x10c [c06196a1] ? __alloc_skb+0x2e/0x10c [c061979b] ? __netdev_alloc_skb+0x1c/0x39 [e08572ac] ? try_fill_recv+0x37/0x153 [virtio_net] [c044ab9a] ? lock_release_holdtime+0x43/0x48 [e08579b4] ? virtnet_poll+0x239/0x2f7 [virtio_net] [c06209a5] ? net_rx_action+0xde/0x204 [c0432f93] ? __do_softirq+0x89/0xf1 [c0432f0a] ? __do_softirq+0x0/0xf1 [c0406e51] ? do_softirq+0x7e/0xdf [c046b8e2] ? handle_fasteoi_irq+0x0/0xbd [c0432e6c] ? irq_exit+0x4c/0x8b [c0406f57] ? do_IRQ+0xa5/0xbe [c040558c] ? common_interrupt+0x28/0x30 [c0499b45] ? css_put+0x20/0x23 [c0499bfa] ? __mem_cgroup_uncharge_common+0xb2/0xce [c0499d4d] ? mem_cgroup_uncharge_page+0x12/0x14 [c048aa06] ? page_remove_rmap+0xe4/0xfd [c0484a8b] ? unmap_vmas+0x36d/0x50d [c0487d23] ? exit_mmap+0x57/0xa2 [c042c60f] ? mmput+0x3f/0x90 [c043012d] ? exit_mm+0xed/0xf5 [c0431375] ? do_exit+0x1cc/0x734 [c044354b] ? up_read+0x1b/0x2e [c0431963] ? sys_exit_group+0x0/0x16 [c0431977] ? sys_exit_group+0x14/0x16 [c0404b96] ? syscall_call+0x7/0xb === Code: fe ff 89 45 d4 8b 45 e4 f6 40 01 08 74 2c 89 f0 e8 54 e5 ff ff ba 00 10 00 00 8b 7d d4 89 c1 b8 5a 5a 5a 5a d3 e2 89 d1 c1 e9 02 f3 ab f6 c2 02 74 02 66 ab f6 c2 01 74 01 aa 8b 5d d4 89 5d f0 EIP: [c0496f64] __slab_alloc+0x1cd/0x3a1 SS:ESP 0068:c096ece0 Kernel panic - not syncing: Fatal exception in interrupt [ cut here ] WARNING: at kernel/smp.c:332 smp_call_function_mask+0x38/0x18a() Modules linked in: ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 ipt_REJECT iptable_filter ip_tables bridge stp ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi scsi_transport_iscsi nfs lockd nfs_acl sunrpc ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables x_tables ipv6 dm_mirror dm_log dm_multipath dm_mod virtio_net floppy pcspkr virtio_pci i2c_piix4 i2c_core sr_mod cdrom ata_piix pata_acpi ata_generic ext3 jbd mbcache [last unloaded: microcode] Pid: 3020, comm: sed Tainted: G D 2.6.27-rc6 #1 [c042e716] warn_on_slowpath+0x46/0x6a [c0518b58] ? __delay+0xe/0x10 [c04757e0] ? time_hardirqs_off+0xe/0x1f [c044b056] ? trace_hardirqs_off_caller+0x15/0x97 [c044b0e3] ? trace_hardirqs_off+0xb/0xd [c04757e0] ? time_hardirqs_off+0xe/0x1f [c04757e0] ? time_hardirqs_off+0xe/0x1f [c044b056] ? trace_hardirqs_off_caller+0x15/0x97 [c044b0e3] ? trace_hardirqs_off+0xb/0xd [c042ecff] ? release_console_sem+0x1be/0x1c6 [c0451826] smp_call_function_mask+0x38/0x18a [c041512a] ? stop_this_cpu+0x0/0x4f [c04757e0] ? time_hardirqs_off+0xe/0x1f [c044b056] ? trace_hardirqs_off_caller+0x15/0x97 [c044b0e3] ? trace_hardirqs_off+0xb/0xd [c0692018] ? _spin_unlock_irqrestore+0x3e/0x55 [c04152d2] ? native_smp_send_stop+0x4/0x6e [c04714f1] ? ftrace_record_ip+0x1b3/0x1cc [c0692018] ? _spin_unlock_irqrestore+0x3e/0x55 [c045198f] smp_call_function+0x17/0x19 [c04152ee] native_smp_send_stop+0x20/0x6e [c042e62f] panic+0x53/0xf4 [c06924e1] oops_end+0x87/0x9b [c040608e] die+0x5c/0x64 [c0693ec9]
