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Re: [Qemu-devel] VirtIO 9p2000.L `locale-gen` fail; cache=loose
From: |
C Anthony Risinger |
Subject: |
Re: [Qemu-devel] VirtIO 9p2000.L `locale-gen` fail; cache=loose |
Date: |
Thu, 5 Jul 2012 01:34:10 -0500 |
On Thu, Feb 23, 2012 at 12:08 PM, Aneesh Kumar K.V
<address@hidden> wrote:
> On Tue, 21 Feb 2012 21:58:39 -0600, C Anthony Risinger <address@hidden> wrote:
>> On Sat, Feb 18, 2012 at 11:38 AM, Aneesh Kumar K.V
>> <address@hidden> wrote:
>> > On Thu, 16 Feb 2012 06:20:21 -0600, C Anthony Risinger <address@hidden>
>> > wrote:
>> >>
>> >> b) unable to run `locale-gen` on *any* virtfs configuration? (strace)
>> >>
>> >> [...]
>> >> mmap(NULL, 536870912, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
>> >> 0x7fb3aac63000
>> >> mmap(0x7fb3aac63000, 103860, PROT_READ|PROT_WRITE,
>> >> MAP_SHARED|MAP_FIXED, 3, 0) = -1 EINVAL (Invalid argument)
>> >> cannot map archive header: Invalid argument
>> >>
>
> For writable mmap to work you need to mount with -o cache=loose. Did
> you try local-gen with that mount option ?
ok, like 4 months later ... but this is really bugging me and i can't
seem to get it working no matter what options i try.
i have `cache=loose` enabled, but `locale-gen` still fails, albeit
with a different error:
# locale-gen
--------------------------------------------------------
Generating locales...
en_US.UTF-8...cannot change mode of new locale archive: No such file
or directory
--------------------------------------------------------
... so now the mmap is working, and the `ln` supposedly works, but the
file is missing(?):
# strace -ff -s256 -e trace=file,desc locale-gen
--------------------------------------------------------
[...]
[pid 2782] open("/usr/lib/locale/locale-archive", O_RDWR) = -1 ENOENT
(No such file or directory)
[pid 2782] open("/usr/lib/locale/locale-archive.3aopUy",
O_RDWR|O_CREAT|O_EXCL, 0600) = 3
[pid 2782] write(3,
"\t\1\2\336\0\0\0\0008\0\0\0\0\0\0\0\213\3\0\0\274*\0\0\0\0\0\0L\35\0\0\10H\0\0\0\0\0\0\244\1\0\0008\371\0\0\0\0\0\0\323\7\0\0",
56) = 56
[pid 2782] ftruncate(3, 103860) = 0
[pid 2782] mmap(NULL, 536870912, PROT_NONE, MAP_SHARED, 3, 0) = 0x7f84983b0000
[pid 2782] mmap(0x7f84983b0000, 103860, PROT_READ|PROT_WRITE,
MAP_SHARED|MAP_FIXED, 3, 0) = 0x7f84983b0000
[pid 2782] link("/usr/lib/locale/locale-archive.3aopUy",
"/usr/lib/locale/locale-archive") = 0
[pid 2782] unlink("/usr/lib/locale/locale-archive.3aopUy") = 0
[pid 2782] fchmod(3, 0644) = -1 ENOENT (No such file or directory)
[pid 2782] unlink("/usr/lib/locale/locale-archive") = 0
[pid 2782] write(2, "cannot change mode of new locale archive",
40cannot change mode of new locale archive) = 40
[...]
--------------------------------------------------------
... what is going on here? it's like the descriptor magically
disappears ... ideas? everytime there is glibc update, i must chroot
from the host and regenerate the botched locales.
host and guest are both Archlinux, kernel 3.4.4. addtl details follow ...
--------------------------------------------------------
# uname -a
Linux app-devel-misc.xtfx.net 3.4.4-2-ARCH #1 SMP PREEMPT Sun Jun 24
18:59:47 CEST 2012 x86_64 GNU/Linux
# findmnt -r /
TARGET SOURCE FSTYPE OPTIONS
/ /dev/root 9p
rw,relatime,dirsync,trans=virtio,version=9p2000.L,posixacl,cache=loose
# lsmod | grep -E 'fscache|9p|virtio'
9p 43643 1
fscache 41059 1 9p
9pnet_virtio 5926 1
9pnet 62797 2 9p,9pnet_virtio
virtio_balloon 4465 0
virtio_blk 6473 1
virtio_net 13402 0
virtio_pci 7155 0
virtio 3682 5
virtio_blk,virtio_net,virtio_pci,virtio_balloon,9pnet_virtio
virtio_ring 4714 5
virtio_blk,virtio_net,virtio_pci,virtio_balloon,9pnet_virtio
--------------------------------------------------------
thanks,
--
C Anthony
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