id summary reporter owner description type status component version resolution keywords cc guest host 7127 iSCSI w/ QNAP targets gives read error / IDE controller reset / reboot of VM Ralph Schmieder "This is related to closed bug #6111 which has been closed. The initial problem (block i/o errors which has been seen on older versions of VirtualBox and the QNAP NAS s/w now shows more subtle but also severe problems: * XP SP3 fully patched running in VM * DMA on primary IDE channel for HDD is set to auto, does not go into 'DMA mode' but stays in 'PIO mode' * XP runs for a while, resets IDE controller several times * Machine reboots eventually Here's a small excerpt from the log file, which is attached. The VM displays the 'The system has recovered from a serious error.' dialog box after XP has restarted. {{{ 01:49:19.035 PIIX3 ATA: execution time for ATA command 0xc4 was 9 seconds 01:49:19.035 PIIX3 ATA: Ctl#0: finished processing RESET 01:55:05.647 iSCSI: login to target iqn.2004-04.com.qnap:ts-439:iscsi.xpsp3.8d49b8 successful 01:55:06.152 iSCSI: login to target iqn.2004-04.com.qnap:ts-439:iscsi.xpsp3.8d49b8 successful 01:55:06.657 iSCSI: login to target iqn.2004-04.com.qnap:ts-439:iscsi.xpsp3.8d49b8 successful 01:55:07.161 iSCSI: login to target iqn.2004-04.com.qnap:ts-439:iscsi.xpsp3.8d49b8 successful 01:55:07.666 iSCSI: login to target iqn.2004-04.com.qnap:ts-439:iscsi.xpsp3.8d49b8 successful 01:55:07.666 PIIX3 ATA: LUN#0: disk read error (rc=VERR_PARSE_ERROR iSector=0xf5cd38 cSectors=0x28) 01:55:08.675 iSCSI: login to target iqn.2004-04.com.qnap:ts-439:iscsi.xpsp3.8d49b8 successful 01:55:42.383 PIIX3 ATA: Ctl#0: RESET, DevSel=0 AIOIf=0 CmdIf0=0xc5 (33694945 usec ago) CmdIf1=0x00 (-1 usec ago) 01:55:42.393 PIIX3 ATA: Async I/O thread probably stuck in operation, interrupting 01:55:42.393 PIIX3 ATA: LUN#0: disk write error (rc=VERR_TIMEOUT iSector=0x1285568 cSectors=0x40) 01:55:42.393 PIIX3 ATA: Ctl#0: finished processing RESET 01:55:42.393 PIIX3 ATA: execution time for ATA command 0xc5 was 33 seconds 01:55:42.398 iSCSI: login to target iqn.2004-04.com.qnap:ts-439:iscsi.xpsp3.8d49b8 successful 01:55:42.457 Changing the VM state from 'RUNNING' to 'RESETTING'. 01:55:42.547 CPUMSetGuestCpuIdFeature: Enabled APIC }}} QNAP Software is the latest available (3.3.0 0629T). The box reports the following information for the iSCSI daemon: {{{ [~] # /sbin/iscsid --version iscsid version 2.0-871 [~] # uname -a Linux speicher 2.6.33.2 #1 SMP Tue Jun 29 06:46:33 CST 2010 i686 unknown [~] # }}} Attached the minidump of the Windows XP system and the relevant VBox.log file. " defect closed virtual disk VirtualBox 3.2.6 fixed iscsi storage Windows Linux