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Bug#446148: marked as done (linux-image-2.6.18-5-xen-amd64: domU panic with swiotlb=force)

Your message dated Fri, 14 Aug 2009 16:09:19 +0200
with message-id <20090814140919.GA7252@galadriel.inutil.org>
and subject line Closing
has caused the Debian Bug report #446148,
regarding linux-image-2.6.18-5-xen-amd64: domU panic with swiotlb=force
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
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immediately.)


-- 
446148: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=446148
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: linux-image-2.6.18-5-xen-amd64
Version: 2.6.18.dfsg.1-13etch4
Severity: normal

Using swiotlb=force panics the kernel reaaaaaly quick:
Bootdata ok (command line is  root=/dev/sda1 ro swiotlb=force)
Linux version 2.6.18-5-xen-amd64 (Debian 2.6.18.dfsg.1-13etch4)
(dannf@debian.org) (gcc version 4.1.2 20061115 (prerelease) (Debian
4.1.1-21)) #1 SMP Tue Oct 2 21:48:12 UTC 2007
BIOS-provided physical RAM map:
 Xen: 0000000000000000 - 0000000035a00000 (usable)
 No mptable found.
 Built 1 zonelists.  Total pages: 219648
 Kernel command line:  root=/dev/sda1 ro swiotlb=force
 Initializing CPU#0
 PID hash table entries: 4096 (order: 12, 32768 bytes)
 Xen reported: 1800.061 MHz processor.
 Dentry cache hash table entries: 131072 (order: 8, 1048576 bytes)
 Inode-cache hash table entries: 65536 (order: 7, 524288 bytes)
 ----------- [cut here ] --------- [please bite here ] ---------
 Kernel BUG at lib/../arch/i386/kernel/swiotlb.c:162
 invalid opcode: 0000 [1] SMP 
 CPU 0 
 Modules linked in:
 Pid: 0, comm: swapper Not tainted 2.6.18-5-xen-amd64 #1
 RIP: e030:[<ffffffff8030c7f8>]  [<ffffffff8030c7f8>]
 swiotlb_init_with_default_size+0xa0/0x19e
 RSP: e02b:ffffffff804dbf40  EFLAGS: 00010282
 RAX: 00000000fffffff4 RBX: 0000000000000000 RCX: 0000000000000006
 RDX: ffffffffff578000 RSI: 0000000000000000 RDI: 0000000000000000
 RBP: 0000000004000000 R08: 0000000000001000 R09: ffffffff80522040
 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 FS:  0000000000000000(0000) GS:ffffffff804c4000(0000)
 knlGS:0000000000000000
 CS:  e033 DS: 0000 ES: 0000
 Process swapper (pid: 0, threadinfo ffffffff804da000, task
 ffffffff8044bce0)
 Stack:  0000000000000000  0000000000000800  0000000000000000
 ffffffff8026e280 
  0000000000000000  ffffffff804ecf2a  0000000000000000  0000000000000800 
   0000000000000000  0000000000000000 
   Call Trace:
    [<ffffffff8026e280>] pci_swiotlb_init+0x9/0x2d
     [<ffffffff804ecf2a>] mem_init+0x5e/0x233
      [<ffffffff804e36ea>] start_kernel+0x189/0x21a
       [<ffffffff804e320d>] _sinittext+0x20d/0x213


       Code: 0f 0b 68 e1 36 41 80 c2 a2 00 48 83 eb 80 48 8b 05 bb 20 24 
       RIP  [<ffffffff8030c7f8>]
       swiotlb_init_with_default_size+0xa0/0x19e
        RSP <ffffffff804dbf40>
	 <0>Kernel panic - not syncing: Attempted to kill the idle task!

I was hoping this would fix the problem that usblp cannot allocate write
buffers for an USB connected printer.
But alas, this doesn't even produce a working domU.

-- System Information:
Debian Release: 4.0
  APT prefers stable
  APT policy: (990, 'stable')
Architecture: amd64 (x86_64)
Shell:  /bin/sh linked to /bin/bash
Kernel: Linux 2.6.18-5-xen-amd64
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)

Versions of packages linux-image-2.6.18-5-xen-amd64 depends on:
ii  e2fsprog 1.39+1.40-WIP-2006.11.14+dfsg-2 ext2 file system utilities and lib
ii  initramf 0.85h                           tools for generating an initramfs
ii  linux-mo 2.6.18.dfsg.1-13etch4           Linux 2.6.18 modules on AMD64

linux-image-2.6.18-5-xen-amd64 recommends no packages.

-- no debconf information

--- End Message ---
--- Begin Message --- 
The mail address of the submitter bounces, closing the bug.

Cheers,
        Moritz

--- End Message ---
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