Crash looks to be here:
4422 in /build/buildd/linux-3.2.0/drivers/scsi/sym53c8xx_2/sym_hipd.c
4423 in /build/buildd/linux-3.2.0/drivers/scsi/sym53c8xx_2/sym_hipd.c
0xffffffff81438d16 <+742>: mov 0x358(%r13),%rax
0xffffffff81438d1d <+749>: mov 0x80(%rax),%rdx
0xffffffff81438d24 <+756>: mov 0xb8(%rdx),%rdx
0xffffffff81438d2b <+763>: test %rdx,%rdx
0xffffffff81438d2e <+766>: je 0xffffffff81438ffe <sym_int_sir+1486>
which is in C code:
/*
* The device didn't switch to MSG IN phase after
* having reselected the initiator.
*/
case SIR_RESEL_NO_MSG_IN:
scmd_printk(KERN_WARNING, cp->cmd,
"No MSG IN phase after reselection\n");
goto out_stuck;
RAX = 0xb == SIR_RESEL_NO_MSG_IN and R13 is NULL. 0x358(R13) is cp->cmd
p &((struct sym_ccb *) 0x0)->cmd
$2 = (struct scsi_cmnd **) 0x358
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https://bugs.launchpad.net/bugs/992328
Title:
kernel crash in 12.04 kvm guest root on emulated scsi
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