* [ kernel 3.5 ] Kernel bug when using kvm @ 2012-07-16 11:06 nicolas prochazka 2012-07-16 11:25 ` Avi Kivity 0 siblings, 1 reply; 6+ messages in thread From: nicolas prochazka @ 2012-07-16 11:06 UTC (permalink / raw) To: kvm Hello, with linux kernel 3.5rc6 and 3.5rc7 I do not test with other kernel 3.5. On linux kernel 3.3.8 , threre is no problem. If I start qemu-kvm process, system is overload and dmesg : BUG: unable to handle kernel paging request at 000000010000003b IP: [<ffffffff8119f694>] tid_fd_revalidate+0x84/0x1a0 PGD 66989a067 PUD 0 Oops: 0000 [#1] SMP CPU 3 Modules linked in: [last unloaded: kvm] Regards, Nicolas Prochazka ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [ kernel 3.5 ] Kernel bug when using kvm 2012-07-16 11:06 [ kernel 3.5 ] Kernel bug when using kvm nicolas prochazka @ 2012-07-16 11:25 ` Avi Kivity 2012-07-16 14:37 ` nicolas prochazka 0 siblings, 1 reply; 6+ messages in thread From: Avi Kivity @ 2012-07-16 11:25 UTC (permalink / raw) To: nicolas prochazka; +Cc: kvm On 07/16/2012 02:06 PM, nicolas prochazka wrote: > Hello, > with linux kernel 3.5rc6 and 3.5rc7 > I do not test with other kernel 3.5. > On linux kernel 3.3.8 , threre is no problem. > > If I start qemu-kvm process, system is overload and > dmesg : > > BUG: unable to handle kernel paging request at 000000010000003b > IP: [<ffffffff8119f694>] tid_fd_revalidate+0x84/0x1a0 > PGD 66989a067 PUD 0 > Oops: 0000 [#1] SMP > CPU 3 > Modules linked in: [last unloaded: kvm] Is this repeatable? Please post a complete stack trace. -- error compiling committee.c: too many arguments to function ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [ kernel 3.5 ] Kernel bug when using kvm 2012-07-16 11:25 ` Avi Kivity @ 2012-07-16 14:37 ` nicolas prochazka 2012-07-16 14:40 ` Avi Kivity 0 siblings, 1 reply; 6+ messages in thread From: nicolas prochazka @ 2012-07-16 14:37 UTC (permalink / raw) To: Avi Kivity; +Cc: kvm No, It is not 100% reproductible, I'm trying to find the case, but : Now when i start a qemu-kvm , there is a kvm-pit/xxxx which takes a lot of cpu time ( ~ 20 %) , ( not with kernel 3.3.8 ) for the complete stack trace, which kernel options should i set, i've already kernel debug . Regards, Nicolas Prochazka. 2012/7/16 Avi Kivity <avi@redhat.com>: > On 07/16/2012 02:06 PM, nicolas prochazka wrote: >> Hello, >> with linux kernel 3.5rc6 and 3.5rc7 >> I do not test with other kernel 3.5. >> On linux kernel 3.3.8 , threre is no problem. >> >> If I start qemu-kvm process, system is overload and >> dmesg : >> >> BUG: unable to handle kernel paging request at 000000010000003b >> IP: [<ffffffff8119f694>] tid_fd_revalidate+0x84/0x1a0 >> PGD 66989a067 PUD 0 >> Oops: 0000 [#1] SMP >> CPU 3 >> Modules linked in: [last unloaded: kvm] > > Is this repeatable? > > Please post a complete stack trace. > > > > > -- > error compiling committee.c: too many arguments to function > > ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [ kernel 3.5 ] Kernel bug when using kvm 2012-07-16 14:37 ` nicolas prochazka @ 2012-07-16 14:40 ` Avi Kivity 2012-07-16 14:46 ` nicolas prochazka 0 siblings, 1 reply; 6+ messages in thread From: Avi Kivity @ 2012-07-16 14:40 UTC (permalink / raw) To: nicolas prochazka; +Cc: kvm On 07/16/2012 05:37 PM, nicolas prochazka wrote: > No, It is not 100% reproductible, I'm trying to find the case, but : > Now when i start a qemu-kvm , > there is a kvm-pit/xxxx which takes a lot of cpu time ( ~ 20 %) , ( > not with kernel 3.3.8 ) > > for the complete stack trace, which kernel options should i set, > i've already kernel debug . Should be following the BUG message. Is what you posted everything you got? > > Regards, > Nicolas Prochazka. > > 2012/7/16 Avi Kivity <avi@redhat.com>: >> On 07/16/2012 02:06 PM, nicolas prochazka wrote: >>> Hello, >>> with linux kernel 3.5rc6 and 3.5rc7 >>> I do not test with other kernel 3.5. >>> On linux kernel 3.3.8 , threre is no problem. >>> >>> If I start qemu-kvm process, system is overload and >>> dmesg : >>> >>> BUG: unable to handle kernel paging request at 000000010000003b >>> IP: [<ffffffff8119f694>] tid_fd_revalidate+0x84/0x1a0 >>> PGD 66989a067 PUD 0 >>> Oops: 0000 [#1] SMP >>> CPU 3 >>> Modules linked in: [last unloaded: kvm] >> >> Is this repeatable? >> >> Please post a complete stack trace. >> >> >> >> >> -- >> error compiling committee.c: too many arguments to function >> >> > -- error compiling committee.c: too many arguments to function ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [ kernel 3.5 ] Kernel bug when using kvm 2012-07-16 14:40 ` Avi Kivity @ 2012-07-16 14:46 ` nicolas prochazka 2012-07-16 14:56 ` Oops in proc_fd_instantiate (was: Re: [ kernel 3.5 ] Kernel bug when using kvm) Avi Kivity 0 siblings, 1 reply; 6+ messages in thread From: nicolas prochazka @ 2012-07-16 14:46 UTC (permalink / raw) To: Avi Kivity; +Cc: kvm sorry, i recompile kernel with some option, and crash again : ( it seems i need to run a lot of qemu process to bug ) [ 3117.379546] BUG: unable to handle kernel paging request at 000000010000003b [ 3117.379783] IP: [<ffffffff811a3654>] tid_fd_revalidate+0x84/0x1a0 [ 3117.379978] PGD 6ea4e0067 PUD 0 [ 3117.380012] Oops: 0000 [#1] SMP [ 3117.380012] CPU 4 [ 3117.380012] Modules linked in: kvm_intel kvm [last unloaded: kvm] [ 3117.380012] [ 3117.380012] Pid: 9816, comm: netstat Not tainted 3.5.0-rc7 #2 Dell Inc. PowerEdge M600/0MY736 [ 3117.380012] RIP: 0010:[<ffffffff811a3654>] [<ffffffff811a3654>] tid_fd_revalidate+0x84/0x1a0 [ 3117.380012] RSP: 0018:ffff8806ff6c1d78 EFLAGS: 00010206 [ 3117.380012] RAX: ffff8806fc5042c0 RBX: ffff8806fa161380 RCX: 000000000000007e [ 3117.380012] RDX: 00000000ffffffff RSI: 0000000000000000 RDI: ffff8806fc5042c0 [ 3117.411799] RBP: ffff8806ff6c1d98 R08: ffff88083fd16b30 R09: ffffffff8119fef0 [ 3117.411799] R10: 0000000000000000 R11: 0000000000000206 R12: ffff8807e3d20180 [ 3117.411799] R13: ffff880759832000 R14: ffff8807f2980838 R15: ffff8806ff6c1e08 [ 3117.411799] FS: 00007fcb7124b700(0000) GS:ffff88083fd00000(0000) knlGS:0000000000000000 [ 3117.438973] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3117.438973] CR2: 000000010000003b CR3: 000000075e06c000 CR4: 00000000000027e0 [ 3117.438973] DR0: 0000000000000003 DR1: 00000000000000b0 DR2: 0000000000000001 [ 3117.438973] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 3117.438973] Process netstat (pid: 9816, threadinfo ffff8806ff6c0000, task ffff8807cefb3000) [ 3117.438973] Stack: [ 3117.438973] ffff8807e3d20180 0000000000000007 ffff8806fa161380 ffff8807e3ef5c00 [ 3117.490924] ffff8806ff6c1dc8 ffffffff811a3880 ffffffffff0a0210 0000000000000001 [ 3117.490924] ffff8806ff6c1e98 ffff8807f22a8d00 ffff8806ff6c1e48 ffffffff811a4cd6 [ 3117.490924] Call Trace: [ 3117.490924] [<ffffffff811a3880>] proc_fd_instantiate+0x80/0xa0 [ 3117.490924] [<ffffffff811a4cd6>] proc_fill_cache+0x126/0x150 [ 3117.490924] [<ffffffff811a3800>] ? proc_fdinfo_instantiate+0x90/0x90 [ 3117.490924] [<ffffffff811505a0>] ? filldir64+0xe0/0xe0 [ 3117.490924] [<ffffffff811a5006>] proc_readfd_common+0xf6/0x1c0 [ 3117.490924] [<ffffffff811a3800>] ? proc_fdinfo_instantiate+0x90/0x90 [ 3117.490924] [<ffffffff811505a0>] ? filldir64+0xe0/0xe0 [ 3117.490924] [<ffffffff811a5105>] proc_readfd+0x15/0x20 [ 3117.490924] [<ffffffff811507c0>] vfs_readdir+0xa0/0xc0 [ 3117.490924] [<ffffffff811505a0>] ? filldir64+0xe0/0xe0 [ 3117.490924] [<ffffffff8115096d>] sys_getdents+0x8d/0x100 [ 3117.490924] [<ffffffff81ae9c29>] system_call_fastpath+0x16/0x1b [ 3117.609269] alloc_fd: slot 7 not NULL! [ 3117.490924] Code: b8 00 00 00 48 8b 50 08 44 3b 32 0f 83 9e 00 00 00 45 89 f6 49 c1 e6 03 4c 03 72 08 49 8b 16 48 85 d2 0f 84 87 00 00 00 48 89 c7 <44> 8b 62 3c e8 13 29 ea ff 4c 89 ef e8 4b df ff ff 85 c0 0f 84 [ 3117.490924] RIP [<ffffffff811a3654>] tid_fd_revalidate+0x84/0x1a0 [ 3117.490924] RSP <ffff8806ff6c1d78> [ 3117.651103] CR2: 000000010000003b [ 3117.651103] ------------[ cut here ]------------ [ 3117.651103] WARNING: at kernel/softirq.c:159 local_bh_enable_ip+0x7a/0xa0() [ 3117.651103] Hardware name: PowerEdge M600 [ 3117.651103] Modules linked in: kvm_intel kvm [last unloaded: kvm] [ 3117.651103] Pid: 9816, comm: netstat Not tainted 3.5.0-rc7 #2 [ 3117.651103] Call Trace: [ 3117.651103] [<ffffffff81041c1f>] warn_slowpath_common+0x7f/0xc0 [ 3117.651103] [<ffffffff81041c7a>] warn_slowpath_null+0x1a/0x20 [ 3117.651103] [<ffffffff8104a88a>] local_bh_enable_ip+0x7a/0xa0 [ 3117.651103] [<ffffffff81ae9129>] _raw_spin_unlock_bh+0x19/0x20 [ 3117.651103] [<ffffffff81441dea>] cn_netlink_send+0xaa/0x180 [ 3117.651103] [<ffffffff813d39fb>] uvesafb_exec+0x14b/0x290 [ 3117.651103] [<ffffffff813d3c7c>] uvesafb_blank+0x13c/0x180 [ 3117.651103] [<ffffffff813c0332>] fb_blank+0x62/0xc0 [ 3117.651103] [<ffffffff813d0690>] ? bit_update_start+0x60/0x60 [ 3117.651103] [<ffffffff813cc74b>] fbcon_blank+0x22b/0x2d0 [ 3117.651103] [<ffffffff8106b6fe>] ? up+0x2e/0x50 [ 3117.651103] [<ffffffff81043fa5>] ? console_unlock+0x245/0x3c0 [ 3117.651103] [<ffffffff8102db49>] ? default_spin_lock_flags+0x9/0x10 [ 3117.651103] [<ffffffff81ae8eef>] ? _raw_spin_lock_irqsave+0x2f/0x40 [ 3117.651103] [<ffffffff81052c3c>] ? lock_timer_base+0x3c/0x70 [ 3117.651103] [<ffffffff8105364d>] ? mod_timer+0x15d/0x2b0 [ 3117.651103] [<ffffffff81429d38>] do_unblank_screen+0xa8/0x1c0 [ 3117.651103] [<ffffffff81429e60>] unblank_screen+0x10/0x20 [ 3117.651103] [<ffffffff81395305>] bust_spinlocks+0x15/0x40 [ 3117.651103] [<ffffffff81005c6f>] oops_end+0x3f/0xf0 [ 3117.651103] [<ffffffff8103165d>] no_context+0x11d/0x2d0 [ 3117.651103] [<ffffffff81031541>] ? no_context+0x1/0x2d0 [ 3117.651103] [<ffffffff8103194d>] __bad_area_nosemaphore+0x13d/0x220 [ 3117.651103] [<ffffffff81031aa6>] __bad_area+0x56/0x70 [ 3117.651103] [<ffffffff81031ad3>] bad_area+0x13/0x20 [ 3117.651103] [<ffffffff81032016>] do_page_fault+0x356/0x440 [ 3117.651103] [<ffffffff81ae8eae>] ? _raw_spin_lock+0xe/0x20 [ 3117.651103] [<ffffffff81ae8eae>] ? _raw_spin_lock+0xe/0x20 [ 3117.651103] [<ffffffff8106db4a>] ? lg_local_unlock+0x1a/0x20 [ 3117.651103] [<ffffffff81ae8eae>] ? _raw_spin_lock+0xe/0x20 [ 3117.651103] [<ffffffff8106db4a>] ? lg_local_unlock+0x1a/0x20 [ 3117.651103] [<ffffffff81ae9575>] page_fault+0x25/0x30 [ 3117.651103] [<ffffffff8119fef0>] ? proc_alloc_inode+0x20/0xa0 [ 3117.651103] [<ffffffff811a3654>] ? tid_fd_revalidate+0x84/0x1a0 [ 3117.651103] [<ffffffff811a3624>] ? tid_fd_revalidate+0x54/0x1a0 [ 3117.651103] [<ffffffff811a3880>] proc_fd_instantiate+0x80/0xa0 [ 3117.651103] [<ffffffff811a4cd6>] proc_fill_cache+0x126/0x150 [ 3117.651103] [<ffffffff811a3800>] ? proc_fdinfo_instantiate+0x90/0x90 [ 3117.651103] [<ffffffff811505a0>] ? filldir64+0xe0/0xe0 [ 3117.651103] [<ffffffff811a5006>] proc_readfd_common+0xf6/0x1c0 [ 3117.651103] [<ffffffff811a3800>] ? proc_fdinfo_instantiate+0x90/0x90 [ 3117.651103] [<ffffffff811505a0>] ? filldir64+0xe0/0xe0 [ 3117.651103] [<ffffffff811a5105>] proc_readfd+0x15/0x20 [ 3117.651103] [<ffffffff811507c0>] vfs_readdir+0xa0/0xc0 [ 3117.651103] [<ffffffff811505a0>] ? filldir64+0xe0/0xe0 [ 3117.651103] [<ffffffff8115096d>] sys_getdents+0x8d/0x100 [ 3117.651103] [<ffffffff81ae9c29>] system_call_fastpath+0x16/0x1b [ 3117.651103] ---[ end trace 26e2f3891a2cefe1 ]--- [ 3118.086497] ---[ end trace 26e2f3891a2cefe2 ]--- 2012/7/16 Avi Kivity <avi@redhat.com>: > On 07/16/2012 05:37 PM, nicolas prochazka wrote: >> No, It is not 100% reproductible, I'm trying to find the case, but : >> Now when i start a qemu-kvm , >> there is a kvm-pit/xxxx which takes a lot of cpu time ( ~ 20 %) , ( >> not with kernel 3.3.8 ) >> >> for the complete stack trace, which kernel options should i set, >> i've already kernel debug . > > Should be following the BUG message. Is what you posted everything you got? > >> >> Regards, >> Nicolas Prochazka. >> >> 2012/7/16 Avi Kivity <avi@redhat.com>: >>> On 07/16/2012 02:06 PM, nicolas prochazka wrote: >>>> Hello, >>>> with linux kernel 3.5rc6 and 3.5rc7 >>>> I do not test with other kernel 3.5. >>>> On linux kernel 3.3.8 , threre is no problem. >>>> >>>> If I start qemu-kvm process, system is overload and >>>> dmesg : >>>> >>>> BUG: unable to handle kernel paging request at 000000010000003b >>>> IP: [<ffffffff8119f694>] tid_fd_revalidate+0x84/0x1a0 >>>> PGD 66989a067 PUD 0 >>>> Oops: 0000 [#1] SMP >>>> CPU 3 >>>> Modules linked in: [last unloaded: kvm] >>> >>> Is this repeatable? >>> >>> Please post a complete stack trace. >>> >>> >>> >>> >>> -- >>> error compiling committee.c: too many arguments to function >>> >>> >> > > > -- > error compiling committee.c: too many arguments to function > > ^ permalink raw reply [flat|nested] 6+ messages in thread
* Oops in proc_fd_instantiate (was: Re: [ kernel 3.5 ] Kernel bug when using kvm) 2012-07-16 14:46 ` nicolas prochazka @ 2012-07-16 14:56 ` Avi Kivity 0 siblings, 0 replies; 6+ messages in thread From: Avi Kivity @ 2012-07-16 14:56 UTC (permalink / raw) To: nicolas prochazka; +Cc: kvm, linux-kernel On 07/16/2012 05:46 PM, nicolas prochazka wrote: > sorry, > i recompile kernel with some option, and crash again : > ( it seems i need to run a lot of qemu process to bug ) > > > [ 3117.379546] BUG: unable to handle kernel paging request at 000000010000003b > [ 3117.379783] IP: [<ffffffff811a3654>] tid_fd_revalidate+0x84/0x1a0 > [ 3117.379978] PGD 6ea4e0067 PUD 0 > [ 3117.380012] Oops: 0000 [#1] SMP > [ 3117.380012] CPU 4 > [ 3117.380012] Modules linked in: kvm_intel kvm [last unloaded: kvm] > [ 3117.380012] > [ 3117.380012] Pid: 9816, comm: netstat Not tainted 3.5.0-rc7 #2 Dell > Inc. PowerEdge M600/0MY736 > [ 3117.380012] RIP: 0010:[<ffffffff811a3654>] [<ffffffff811a3654>] > tid_fd_revalidate+0x84/0x1a0 > [ 3117.380012] RSP: 0018:ffff8806ff6c1d78 EFLAGS: 00010206 > [ 3117.380012] RAX: ffff8806fc5042c0 RBX: ffff8806fa161380 RCX: 000000000000007e > [ 3117.380012] RDX: 00000000ffffffff RSI: 0000000000000000 RDI: ffff8806fc5042c0 > [ 3117.411799] RBP: ffff8806ff6c1d98 R08: ffff88083fd16b30 R09: ffffffff8119fef0 > [ 3117.411799] R10: 0000000000000000 R11: 0000000000000206 R12: ffff8807e3d20180 > [ 3117.411799] R13: ffff880759832000 R14: ffff8807f2980838 R15: ffff8806ff6c1e08 > [ 3117.411799] FS: 00007fcb7124b700(0000) GS:ffff88083fd00000(0000) > knlGS:0000000000000000 > [ 3117.438973] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [ 3117.438973] CR2: 000000010000003b CR3: 000000075e06c000 CR4: 00000000000027e0 > [ 3117.438973] DR0: 0000000000000003 DR1: 00000000000000b0 DR2: 0000000000000001 > [ 3117.438973] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > [ 3117.438973] Process netstat (pid: 9816, threadinfo > ffff8806ff6c0000, task ffff8807cefb3000) > [ 3117.438973] Stack: > [ 3117.438973] ffff8807e3d20180 0000000000000007 ffff8806fa161380 > ffff8807e3ef5c00 > [ 3117.490924] ffff8806ff6c1dc8 ffffffff811a3880 ffffffffff0a0210 > 0000000000000001 > [ 3117.490924] ffff8806ff6c1e98 ffff8807f22a8d00 ffff8806ff6c1e48 > ffffffff811a4cd6 > [ 3117.490924] Call Trace: > [ 3117.490924] [<ffffffff811a3880>] proc_fd_instantiate+0x80/0xa0 > [ 3117.490924] [<ffffffff811a4cd6>] proc_fill_cache+0x126/0x150 > [ 3117.490924] [<ffffffff811a3800>] ? proc_fdinfo_instantiate+0x90/0x90 > [ 3117.490924] [<ffffffff811505a0>] ? filldir64+0xe0/0xe0 > [ 3117.490924] [<ffffffff811a5006>] proc_readfd_common+0xf6/0x1c0 > [ 3117.490924] [<ffffffff811a3800>] ? proc_fdinfo_instantiate+0x90/0x90 > [ 3117.490924] [<ffffffff811505a0>] ? filldir64+0xe0/0xe0 > [ 3117.490924] [<ffffffff811a5105>] proc_readfd+0x15/0x20 > [ 3117.490924] [<ffffffff811507c0>] vfs_readdir+0xa0/0xc0 > [ 3117.490924] [<ffffffff811505a0>] ? filldir64+0xe0/0xe0 > [ 3117.490924] [<ffffffff8115096d>] sys_getdents+0x8d/0x100 > [ 3117.490924] [<ffffffff81ae9c29>] system_call_fastpath+0x16/0x1b > [ 3117.609269] alloc_fd: slot 7 not NULL! > [ 3117.490924] Code: b8 00 00 00 48 8b 50 08 44 3b 32 0f 83 9e 00 00 > 00 45 89 f6 49 c1 e6 03 4c 03 72 08 49 8b 16 48 85 d2 0f 84 87 00 00 > 00 48 89 c7 <44> 8b 62 3c e8 13 29 ea ff 4c 89 ef e8 4b df ff ff 85 c0 > 0f 84 Seems to be in the outside kvm. Copying lkml. -- error compiling committee.c: too many arguments to function ^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2012-07-16 14:56 UTC | newest] Thread overview: 6+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2012-07-16 11:06 [ kernel 3.5 ] Kernel bug when using kvm nicolas prochazka 2012-07-16 11:25 ` Avi Kivity 2012-07-16 14:37 ` nicolas prochazka 2012-07-16 14:40 ` Avi Kivity 2012-07-16 14:46 ` nicolas prochazka 2012-07-16 14:56 ` Oops in proc_fd_instantiate (was: Re: [ kernel 3.5 ] Kernel bug when using kvm) Avi Kivity
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.