Suddenly, one of the ancient Centos under xen stopped loading... What could happen?

Question

linux

Good day to all! Suddenly, one of the most critical systems I have stopped loading ... Tell me, what's wrong? I don't see it in the log.
PTY PID: 8286
Xen Minimal OS!
start_info: 0x1363000(VA)
nr_pages: 0x138800
shared_inf: 0xbf767000(MA)
pt_base: 0x1366000(VA)
nr_pt_frames: 0xd
mfn_list: 0x99f000(VA)
mod_start: 0x0(VA)
mod_len: 0 flag/grub
: 0x0
menu.lst
stack: 0x95e900-0x97e900
MM: Init
_text: 0x0(VA)
_etext: 0x715c4(VA)
_erodata: 0x8b000(VA)
_edata: 0x90c60(VA)
stack start: 0x95e900(VA)
_end: 0x99ef00 (the VA)
start_pfn: 1376
max_pfn: 138800
Mapping memory range 0x1400000 - 0x138800000
setting the readonly 0x0-0x8b000
skipped 0x1000 the
MM: Initialise page allocator for 1d34000 (1d34000) -138.8 million (138.8 million) the
MM: done
The Demand map pfns AT 138801000-2138801000 .
Heap resides at 2138802000-4138802000.
Initialising timer interface
Initialising console ... done.
gnttab_table mapped at 0x138801000.
Initialising scheduler
Thread "Idle": pointer: 0x2138802050, stack: 0x138730000
Thread "xenstore": pointer: 0x2138802800, stack: 0x138740000
xenbus initialised on irq 1 mfn 0x4c2fbb
Dummy main: start_info=0x97ea00
Thread "main": pointer: 0x2138802fb0, stack: 0x138750000
"main" "(hd0)/grub/menu.lst"
vbd 2049 is hd0
********************* BLKFRONT for device/vbd/2049 **********
backend at /local/domain/0/backend/vbd/285/2049
311296 sectors of 512 bytes
************* ***************
vbd 2050 is hd1
******************* BLKFRONT for device/vbd/2050 ******* ***
backend at /local/domain/0/backend/vbd/285/2050
26624000 sectors of 512 bytes
**************************
vbd 2051 is hd2
******************* BLKFRONT for device/vbd/2051 **********
backend at /local/domain/0/backend /vbd/285/2051
104857600 sectors of 512 bytes
**************************
vbd 2065 is hd3
******************* BLKFRONT for device/vbd/2065 **********
backend at /local/domain/0/backend /vbd/285/2065
524288000 sectors of 512 bytes
**************************
vbd 2081 is hd4
********* ********** BLKFRONT for device/vbd/2081 **********
backend at /local/domain/0/backend/vbd/285/2081
3907022848 sectors of 512 bytes
** **************************
Thread "kbdfront": pointer: 0x2138804320, stack: 0x138770000
************** ***** FBFRONT for device/vfb/0 **********
******************* KBDFRONT for device/vkbd/0 ** ********
backend at /local/domain/0/backend/vkbd/285/0
backend at /local/domain/0/backend/vfb/285/0
/local/domain/0/backend/vkbd/285/0 connected
************************** KBDFRONT
Thread "kbdfront" exited.
/local/domain/0/backend/vfb/285/0 connected
************************** FBFRONT
Thread "kbdfront close": pointer: 0x2138804320, stack: 0x138770000
close fb: backend at /local/domain/0/backend/vfb/285/0
close kbd: backend at /local/domain/0/backend/vkbd/285/0
Booting 'CentOS (2.6.18 -406.el5xen)'
root (hd0)
Filesystem type is ext2fs, using whole disk
kernel /vmlinuz-2.6.18-406.el5xen console=xvc0 root=LABEL=/1
Thread "kbdfront close" exited.
initrd /initrd-2.6.18-406.el5xen.img
close blk: backend=/local/domain/0/backend/vbd/285/2049 node=device/vbd/2049
close blk: backend=/local/domain/0/backend/vbd/285/2050 node=device/vbd /2050
close blk: backend=/local/domain/0/backend/vbd/285/2051 node=device/vbd/2051
close blk: backend=/local/domain/0/backend/vbd/285/2065 node=device /vbd/2065
close blk: backend=/local/domain/0/backend/vbd/285/2081 node=device/vbd/2081

Answer 1

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