From: Tomasz Chmielewski <mangoo@wpkg.org>
To: "kvm@vger.kernel.org" <kvm@vger.kernel.org>
Subject: 2.6.38.1 general protection fault
Date: Fri, 25 Mar 2011 10:32:00 +0100 [thread overview]
Message-ID: <4D8C6110.6090204@wpkg.org> (raw)
I got this on a 2.6.38.1 system which (I think) had some problem accessing guest image on a btrfs filesystem.
general protection fault: 0000 [#1] SMP
last sysfs file: /sys/kernel/uevent_seqnum
CPU 0
Modules linked in: ipt_MASQUERADE vhost_net kvm_intel kvm iptable_filter xt_tcpudp iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 ip_tables x_tables bridge stp btrfs zlib_deflate crc32c libcrc32c coretemp f71882fg snd_pcm snd_timer snd soundcore i2c_i801 snd_page_alloc tpm_tis tpm tpm_bios pcspkr i7core_edac edac_core r8169 mii raid10 raid456 async_pq async_xor xor async_memcpy async_raid6_recov raid6_pq async_tx raid1 raid0 ahci libahci sata_nv sata_sil sata_via 3w_9xxx 3w_xxxx [last unloaded: scsi_wait_scan]
Pid: 10199, comm: kvm Not tainted 2.6.38.1 #1 MSI MS-7522/MSI X58 Pro-E (MS-7522)
RIP: 0010:[<ffffffffa02cae20>] [<ffffffffa02cae20>] kvm_unmap_rmapp+0x20/0x70 [kvm]
RSP: 0018:ffff880508ee9bf0 EFLAGS: 00010202
RAX: 00008805d6b087f8 RBX: ffff8805b7b10000 RCX: 0000000000000050
RDX: 0000000000000000 RSI: 00008805d6b087f8 RDI: ffff8805b7b10000
RBP: ffff880508ee9c10 R08: ffff8801061d4000 R09: ffffc9001f19aff0
R10: 0000000000000030 R11: 0000000000000000 R12: 0000000000000000
R13: ffffc9001f19aff8 R14: 0000000000000060 R15: ffff8801061d4000
FS: 00007f7ca25d6730(0000) GS:ffff8800bf400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 0000000000462b10 CR3: 00000003ac47f000 CR4: 00000000000026e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process kvm (pid: 10199, threadinfo ffff880508ee8000, task ffff88001b5a5b00)
Stack:
ffffffffffffffcf 00000000000220ff 0000000000000001 ffff8801061d4050
ffff880508ee9c80 ffffffffa02c8a54 0000000000000030 ffffffffa02cae00
0000000000000000 00007f7c80a2b000 ffff8805b7b10000 0000000000000001
Call Trace:
[<ffffffffa02c8a54>] kvm_handle_hva+0xb4/0x170 [kvm]
[<ffffffffa02cae00>] ? kvm_unmap_rmapp+0x0/0x70 [kvm]
[<ffffffffa02c8b27>] kvm_unmap_hva+0x17/0x20 [kvm]
[<ffffffffa02b1e72>] kvm_mmu_notifier_invalidate_range_start+0x62/0xb0 [kvm]
[<ffffffff8113ea11>] __mmu_notifier_invalidate_range_start+0x51/0x70
[<ffffffff8111e2c1>] copy_page_range+0x3b1/0x460
[<ffffffff812c5628>] ? rb_insert_color+0x98/0x140
[<ffffffff81060cdc>] dup_mm+0x2fc/0x500
[<ffffffff810617fe>] copy_process+0x8be/0x11b0
[<ffffffff81062165>] do_fork+0x75/0x350
[<ffffffff81177bcd>] ? mntput+0x1d/0x40
[<ffffffff8115b095>] ? fput+0x1e5/0x270
[<ffffffff815aa7f5>] ? _raw_spin_lock_irq+0x15/0x20
[<ffffffff81075141>] ? sigprocmask+0x91/0x110
[<ffffffff81014ab8>] sys_clone+0x28/0x30
[<ffffffff8100c3e3>] stub_clone+0x13/0x20
[<ffffffff8100c0c2>] ? system_call_fastpath+0x16/0x1b
Code: 49 89 01 eb 91 66 0f 1f 44 00 00 55 48 89 e5 41 55 41 54 53 48 83 ec 08 0f 1f 44 00 00 45 31 e4 48 89 fb 49 89 f5 eb 1d 0f 1f 00 <f6> 06 01 74 38 48 8b 15 a4 66 02 00 48 89 df 41 bc 01 00 00 00
RIP [<ffffffffa02cae20>] kvm_unmap_rmapp+0x20/0x70 [kvm]
RSP <ffff880508ee9bf0>
---[ end trace 85201a339b7635fc ]---
--
Tomasz Chmielewski
http://wpkg.org
next reply other threads:[~2011-03-25 9:39 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-25 9:32 Tomasz Chmielewski [this message]
2011-03-26 9:15 ` 2.6.38.1 general protection fault Avi Kivity
2011-03-26 10:42 ` Tomasz Chmielewski
2011-03-27 9:42 ` Avi Kivity
2011-03-28 6:24 ` Tomasz Chmielewski
2011-03-28 9:19 ` Avi Kivity
2011-03-28 17:54 ` Andrea Arcangeli
2011-03-28 18:02 ` Avi Kivity
2011-03-28 20:04 ` Andrea Arcangeli
2011-03-28 20:14 ` Tomasz Chmielewski
2011-04-20 9:28 ` Thomas Treutner
2011-04-20 10:54 ` Tomasz Chmielewski
2011-03-29 13:34 ` Marcelo Tosatti
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