Andy Burns wrote:
2.6.15-1.2041_FC5xen0, my first two attempts to
boot this xen0 crashed and stackdumped :-(
OK, with Yongkang's info I've captured this happening
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=185235
Full serial log attached there, but the offending bit seems to be
Kernel BUG at arch/x86_64/mm/fault-xen.c:292
invalid opcode: 0000 [1] SMP
CPU 0
Modules linked in: snd_mixer_oss snd_pcm snd_timer snd soundcore
snd_page_alloc hw_random i2c_i801 i2c_core dm_snapshot dm_zero dm_mirror
dm_mod ext3 jbd ahci libata sd_mod scsi_mod
Pid: 615, comm: udevd Not tainted 2.6.15-1.2041_FC5xen0 #1
RIP: e030:[<ffffffff801197df>] <ffffffff801197df>{do_page_fault+1690}
RSP: e02b:ffffffff80418978 EFLAGS: 00010287
RAX: ffff800000000000 RBX: ffff880000ed7000 RCX: 00003ffffffff000
RDX: 0000000000050204 RSI: 000000000003ac4e RDI: 0000000000000c00
RBP: ffffffff80101c20 R08: 000000000003ac4e R09: ffff880000ae8070
R10: ffff880000ae9000 R11: ffff880000ae9000 R12: ffffc2000000e008
R13: ffffffff80418a58 R14: ffff880038d8f100 R15: 0000000000000000
FS: 00002b07a11e66d0(0000) GS:ffffffff80499000(0000) knlGS:0000000000000000
CS: e033 DS: 0000 ES: 0000
Process udevd (pid: 615, threadinfo ffff880038cc4000, task ffff880038d8f100)
Stack: 0000000000000001 0000000000030001 ffffffff804189c8 ffffffff801f2163
ffff880000636048 ffff88000230e800 ffff880000636048 ffff880000636048
ffff880000636240 ffffffff801e727d
Call Trace: <IRQ> <ffffffff801f2163>{cfq_dispatch_requests+326}
<ffffffff801e727d>{elv_next_request+321}
<ffffffff801f49fa>{kobject_get+18}
<ffffffff880064f6>{:scsi_mod:scsi_request_fn+843}
<ffffffff8010b503>{error_exit+0}
<ffffffff8803d447>{:ahci:ahci_interrupt+33}
<ffffffff80151e15>{handle_IRQ_event+78}
<ffffffff80151efb>{__do_IRQ+156} <ffffffff8010d4c2>{do_IRQ+65}
<ffffffff8025eeed>{evtchn_do_upcall+132}
<ffffffff8010b5b5>{do_hypervisor_callback+37} <EOI>
<ffffffff8010722a>{hypercall_page+554}
<ffffffff8010722a>{hypercall_page+554}
<ffffffff8018e463>{mntput_no_expire+25}
<ffffffff8025e8d5>{force_evtchn_callback+10}
<ffffffff80119209>{do_page_fault+196}
<ffffffff801845a5>{sys_mknodat+371}
<ffffffff8010b503>{error_exit+0}
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