Bug#566312: BUG: unable to handle kernel paging request, in skb_copy_bits

2010-08-01 Thread Moritz Muehlenhoff
tags 566312 moreinfo
thanks

On Fri, Jan 22, 2010 at 03:36:23PM -0500, John Morrissey wrote:
 Package: linux-image-2.6.26-2-686-bigmem
 Version: 2.6.26-19lenny2
 Severity: normal
 
 One of our i386 KVM VMs has been crashing every couple of days, with the
 following oops output.
 
 linux-image-2.6.30-2-686-bigmem=2.6.30-8 (from squeeze) made no difference,
 but linux-image-2.6.32-trunk-686-bigmem=2.6.32-5 from unstable has gone
 without a crash for over a week now.

Hi,
The next release of Debian (6.0, code name Squeeze) will be based
on 2.6.32. 

Has the 2.6.32 persisted to not show the bug in question?

Thanks,
Moritz



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Bug#566312: BUG: unable to handle kernel paging request, in skb_copy_bits

2010-08-01 Thread John Morrissey
On Sun, Aug 01, 2010 at 05:48:53PM -0400, Moritz Muehlenhoff wrote:
 On Fri, Jan 22, 2010 at 03:36:23PM -0500, John Morrissey wrote:
  linux-image-2.6.30-2-686-bigmem=2.6.30-8 (from squeeze) made no
  difference, but linux-image-2.6.32-trunk-686-bigmem=2.6.32-5 from
  unstable has gone without a crash for over a week now.
 
 The next release of Debian (6.0, code name Squeeze) will be based
 on 2.6.32. 
 
 Has the 2.6.32 persisted to not show the bug in question?

Yes.

john
-- 
John Morrissey  _o/\   __o
j...@horde.net_- \_  /  \   \,
www.horde.net/__(_)/_(_)/\___(_) /_(_)__



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Bug#566312: BUG: unable to handle kernel paging request, in skb_copy_bits

2010-01-22 Thread John Morrissey
Package: linux-image-2.6.26-2-686-bigmem
Version: 2.6.26-19lenny2
Severity: normal

One of our i386 KVM VMs has been crashing every couple of days, with the
following oops output.

linux-image-2.6.30-2-686-bigmem=2.6.30-8 (from squeeze) made no difference,
but linux-image-2.6.32-trunk-686-bigmem=2.6.32-5 from unstable has gone
without a crash for over a week now.

BUG: unable to handle kernel paging request at fffb8000
IP: [c0263c36] skb_copy_bits+0x55/0x20d
Oops: 0002 [#1] SMP
Modules linked in: ipt_LOG xt_limit ipt_REJECT nf_conntrack_ipv4 xt_state 
nf_conntrack_ftp nf_conntrack xt_tcpudp iptable_filter ip_tables x_tables nfsd 
auth_rpcgss exportfs nfs lockd nfs_acl sunrpc ipv6 loop evdev virtio_balloon 
virtio_net psmouse pcspkr i2c_piix4 i2c_core button ext3 jbd mbcache virtio_blk 
ide_cd_mod cdrom ide_pci_generic floppy virtio_pci virtio_ring virtio uhci_hcd 
usbcore piix ide_core ata_generic libata scsi_mod dock thermal processor fan 
thermal_sys [last unloaded: scsi_wait_scan]

Pid: 24440, comm: netstats-script Not tainted (2.6.26-2-686-bigmem #1)
EIP: 0060:[c0263c36] EFLAGS: 00010282 CPU: 0
EIP is at skb_copy_bits+0x55/0x20d
EAX: 0524 EBX: f40cfc04 ECX: 0149 EDX: f6dbd080
ESI: f58a68d6 EDI: fffb8000 EBP: fffb8000 ESP: f40cfb8c
DS: 007b ES: 007b FS: 00d8 GS:  SS: 0068
Process netstats-script (pid: 24440, ti=f40ce000 task=f44e3b40 task.ti=f40ce000)
Stack:  0084 f6dbd080 05dc 05a8 0008 f40cfc04 0524 
1000 fffb8000 f8baf02f 0524  1000 f8baeeb7 f40cfc04 
f585408c f7fff6e4 007c 107c f40cfc04 05a0 f5993800 f8bb04b1
Call Trace:
[f8baf02f] xdr_skb_read_bits+0x1c/0x30 [sunrpc]
[f8baeeb7] xdr_partial_copy_from_skb+0x11f/0x179 [sunrpc]
[f8bb04b1] xs_tcp_data_recv+0x238/0x3c6 [sunrpc]
[f8baf013] xdr_skb_read_bits+0x0/0x30 [sunrpc]
[c028b446] tcp_read_sock+0xa2/0x1ef
[f8bb0279] xs_tcp_data_recv+0x0/0x3c6 [sunrpc]
[f8bb0f15] xs_tcp_data_ready+0x52/0x62 [sunrpc]
[c0130b3b] mod_timer+0x19/0x36
[c0261337] sk_reset_timer+0xc/0x16
[c0293b10] tcp_rcv_established+0x3b3/0x637
[c0298b80] tcp_v4_do_rcv+0x262/0x3e8
[c029a866] tcp_v4_rcv+0x545/0x597
[c0283167] ip_local_deliver_finish+0xe8/0x183
[c0283062] ip_rcv_finish+0x286/0x2a3
[c0268819] netif_receive_skb+0x31c/0x349
[f88fa9f3] virtnet_poll+0x167/0x258 [virtio_net]
[c026a733] net_rx_action+0x9c/0x177
[c012d125] __do_softirq+0x66/0xd3
[c012d1d7] do_softirq+0x45/0x53
[c012d48e] irq_exit+0x35/0x67
[c010afd7] do_IRQ+0x52/0x63
[c01092a7] common_interrupt+0x23/0x28
[c0119e25] kvm_leave_lazy_mmu+0x29/0x31
[c016a091] unmap_vmas+0x57a/0x7c4
[c017e27e] do_sync_read+0xbf/0xfe
[c016e306] exit_mmap+0x65/0xd1
[c012727e] mmput+0x20/0x7e
[c0182314] flush_old_exec+0x3e5/0x677
[c0181a02] kernel_read+0x32/0x43
[c01a5138] load_elf_binary+0x310/0x108a
[c0168394] page_address+0x73/0x93
[c016852e] kmap_high+0x1c/0x1a2
[c0168394] page_address+0x73/0x93
[c0181726] copy_strings+0x169/0x173
[c01817eb] search_binary_handler+0x8f/0x1a4
[c0182926] do_execve+0x138/0x1c6
[c010713b] sys_execve+0x2a/0x4a
[c01088ce] syscall_call+0x7/0xb
[c02c] xenfb_probe+0x221/0x35b
===
Code: d0 2b 44 24 04 89 54 24 10 85 c0 7e 39 39 44 24 2c 89 ef 0f 4e 44 24 2c 
8b 54 24 08 8b 74 24 04 89 c1 c1 e9 02 03 b2 a4 00 00 00 f3 a5 89 c1 83 e1 03 
74 02 f3 a4 29 44 24 2c 0f 84 92 01 00 00
EIP: [c0263c36] skb_copy_bits+0x55/0x20d SS:ESP 0068:f40cfb8c
Kernel panic - not syncing: Fatal exception in interrupt

-- Package-specific info:

-- System Information:
Debian Release: 5.0.3
  APT prefers stable
  APT policy: (500, 'stable')
Architecture: i386 (i686)

Kernel: Linux 2.6.32-trunk-686-bigmem (SMP w/1 CPU core)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages linux-image-2.6.26-2-686-bigmem depends on:
ii  debconf [debconf-2.0] 1.5.24 Debian configuration management sy
ii  initramfs-tools [linux-initra 0.92o  tools for generating an initramfs
ii  module-init-tools 3.4-1  tools for managing Linux kernel mo

Versions of packages linux-image-2.6.26-2-686-bigmem recommends:
ii  libc6-i6862.7-18 GNU C Library: Shared libraries [i

Versions of packages linux-image-2.6.26-2-686-bigmem suggests:
ii  grub   0.97-47lenny2 GRand Unified Bootloader (Legacy v
pn  linux-doc-2.6.26   none(no description available)

-- debconf information:
  
linux-image-2.6.26-2-686-bigmem/preinst/overwriting-modules-2.6.26-2-686-bigmem:
 true
  shared/kernel-image/really-run-bootloader: true
  linux-image-2.6.26-2-686-bigmem/preinst/lilo-has-ramdisk:
  
linux-image-2.6.26-2-686-bigmem/postinst/bootloader-test-error-2.6.26-2-686-bigmem:
  linux-image-2.6.26-2-686-bigmem/postinst/depmod-error-2.6.26-2-686-bigmem: 
false
  linux-image-2.6.26-2-686-bigmem/preinst/initrd-2.6.26-2-686-bigmem:
  linux-image-2.6.26-2-686-bigmem/preinst/abort-overwrite-2.6.26-2-686-bigmem: