Bug#415805: Kernel panic on machines with 8 Gbytes of memory
Package: linux-image-2.6.18-4-xen-686
Version: 2.6.18.dfsg.1-11
A server with 8 Gbytes of memory crashes when using xen-create-image or
when downloading a very big file.
I contacted the xen-devel mailing list, and they gave me a solution for
the problem .See this email for details:
http://lists.xensource.com/archives/html/xen-devel/2007-03/msg00874.html
BUG: unable to handle kernel paging request at virtual address f57ae000
printing eip:
c01be5d4
2d747000 -> *pde = 00000000:d5afe001
2b8fe000 -> *pme = 00000000:0768a067
0168a000 -> *pte = 00000000:00000000
Oops: 0000 [#1]
SMP
Modules linked in: bridge netloop ipv6 dm_snapshot dm_mirror dm_mod loop
i2c_i8n
CPU: 0
EIP: 0061:[<c01be5d4>] Not tainted VLI
EFLAGS: 00010206 (2.6.18-4-xen-686 #1)
EIP is at __sync_single+0xa0/0x12a
eax: f57ae000 ebx: 00001000 ecx: 00000400 edx: 00000063
esi: f57ae000 edi: c8e7c000 ebp: 00010000 esp: ea78bd90
ds: 007b es: 007b ss: 0069
Process perl (pid: 2861, ti=ea78a000 task=c0dc1000 task.ti=ea78a000)
Stack: 00000001 c8e7c000 00010000 f57ae000 00000000 c46a7000 00006310
00780000
00000001 c46a7000 c01bead3 00010000 00000001 c9d0cc3c 00008000
00000000
c8e7c000 00000020 c46a7000 00000000 c9d0cc38 00018c40 00000000
00780000
Call Trace:
[<c01bead3>] map_single+0x16b/0x179
[<c01bf11b>] swiotlb_map_sg+0x146/0x1c2
[<c0108ff3>] dma_map_sg+0x74/0x14e
[<ee09f9b1>] ide_build_sglist+0x67/0x6c [ide_core]
[<ee09f9e1>] ide_build_dmatable+0x2b/0x151 [ide_core]
[<c0122f99>] lock_timer_base+0x15/0x2f
[<ee09fb2a>] ide_dma_setup+0x23/0x85 [ide_core]
[<ee056f49>] ide_do_rw_disk+0x344/0x497 [ide_disk]
[<c01f5513>] __add_entropy_words+0x58/0x176
[<ee0996da>] ide_do_request+0x55a/0x717 [ide_core]
[<c01ad5b7>] freed_request+0x1d/0x37
[<ee09914f>] ide_end_request+0xc7/0xcf [ide_core]
[<ee099b05>] ide_intr+0x16b/0x194 [ide_core]
[<c013a823>] handle_IRQ_event+0x27/0x51
[<c013a8e0>] __do_IRQ+0x93/0xe8
[<c010612c>] do_IRQ+0x43/0x53
[<c020c0dc>] evtchn_do_upcall+0x64/0x9b
[<c0104a51>] hypervisor_callback+0x3d/0x48
Code: 7c 24 04 89 c6 03 74 24 10 89 44 24 0c 01 ef 2b 7c 24 08 83 3c 24
02 75 0
EIP: [<c01be5d4>] __sync_single+0xa0/0x12a SS:ESP 0069:ea78bd90
<0>Kernel panic - not syncing: Fatal exception in interrupt
BUG: warning at arch/i386/kernel/smp-xen.c:526/smp_call_function()
[<c010cdc9>] smp_call_function+0x53/0xf8
[<c011b4aa>] printk+0x14/0x18
[<c010ce81>] smp_send_stop+0x13/0x1e
[<c011aad7>] panic+0x45/0xde
[<c0105235>] die+0x242/0x276
[<c0111cf1>] do_page_fault+0xa53/0xb76
[<c011129e>] do_page_fault+0x0/0xb76
[<c0104a0f>] error_code+0x2b/0x30
[<c01be5d4>] __sync_single+0xa0/0x12a
[<c01bead3>] map_single+0x16b/0x179
[<c01bf11b>] swiotlb_map_sg+0x146/0x1c2
[<c0108ff3>] dma_map_sg+0x74/0x14e
[<ee09f9b1>] ide_build_sglist+0x67/0x6c [ide_core]
[<ee09f9e1>] ide_build_dmatable+0x2b/0x151 [ide_core]
[<c0122f99>] lock_timer_base+0x15/0x2f
[<ee09fb2a>] ide_dma_setup+0x23/0x85 [ide_core]
[<ee056f49>] ide_do_rw_disk+0x344/0x497 [ide_disk]
[<c01f5513>] __add_entropy_words+0x58/0x176
[<ee0996da>] ide_do_request+0x55a/0x717 [ide_core]
[<c01ad5b7>] freed_request+0x1d/0x37
[<ee09914f>] ide_end_request+0xc7/0xcf [ide_core]
[<ee099b05>] ide_intr+0x16b/0x194 [ide_core]
[<c013a823>] handle_IRQ_event+0x27/0x51
[<c013a8e0>] __do_IRQ+0x93/0xe8
[<c010612c>] do_IRQ+0x43/0x53
[<c020c0dc>] evtchn_do_upcall+0x64/0x9b
[<c0104a51>] hypervisor_callback+0x3d/0x48
(XEN) Domain 0 crashed: rebooting machine in 5 seconds.
--
Marc Petit-Huguenin
Home: marc@petit-huguenin.org
Work: marc@8x8.com
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