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Ticket Resolution Summary Owner Reporter
#15789 fixed Compile error in kLdrModMachO.c Bermond
Description

I'm getting the following error when trying to compile VirtualBox using the SVN version:

/storage/linux/src/virtualbox-svn/src/libs/kStuff/kStuff/kLdr/kLdrModMachO.c:871:2693: error: self-comparison always evaluates to true [-Werror=tautological-compare]
                     VALIDATE_AND_ADD_SECTION(32);
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/storage/linux/src/virtualbox-svn/src/libs/kStuff/kStuff/kLdr/kLdrModMachO.c:923:2693: error: self-comparison always evaluates to true [-Werror=tautological-compare]
                     VALIDATE_AND_ADD_SECTION(64);
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cc1: all warnings being treated as errors
kmk: *** [/storage/linux/src/virtualbox-svn/out/linux.amd64/release/obj/VBox-kStuff/kStuff/kLdr/kLdrModMachO.o] Error 1

Using:

OS: Arch Linux x86_64

GCC: 6.1.1

VirtualBox: SVN

#9428 duplicate Guru Meditation -2701 (VERR_VMM_RING0_ASSERTION) Bernd Hohman
Description

Host: Ubuntu 10.04.3 LTS 64bit, Kernel 2.6.32-33-Server Guest: Windows Server 2008 R2 Standard 6.1 Build 7601 SP1 with Thinstuff XPVS Server

Crashes after 4-40 Hours with "Guru Meditation -2701"

!!R0-Assertion Failed!! Expression: RT_SUCCESS_NP(rc) Location : /home/vbox/vbox-4.1.0/src/VBox/VMM/VMMAll/PGMAllPool.cpp(2476) int pgmPoolMonitorInsert(PGMPOOL*, PGMPOOLPAGE*) PGMHandlerPhysicalRegisterEx 000000038c8ab000 failed with -1701

#13956 fixed VM hangs in AHCI when host busy since 4.3.x Bernd Hohman
Description

When the host disk (RAID-5 with slow HD) is moderate busy, several Debian Guests with AHCI and enabled Host I/O Cache stop working.

Today it happened between 11:05-11:15am GMT to 6 Guest in parallel. Other Guests on same Host with AHCI and disabled Host I/O Cache complained about AsyncCompletion but continued running.

No information in the Guest logfiles (syslog, kern.log), only VBox.log. No information in the Host logfiles (syslog, kern.log).

More information on "not working VMs": 'VBoxManage list runningvms' shows this VM as running. 'VBoxManage controlvm acpipowerbutton' shows no effect. 'VBoxManage controlvm poweroff' claims in VBox.log to have stopped the VM, but the command hangs displaying "0%...10%...20%...30%...40%..." and must be interrupted by C, then killing the VBoxHeadless process with "pkill".

All Guests were restarted around 02:30 GMT tonight and crashed around 11:10 GMT. Hanging VMs were restarted around 13:30 GMT

Description of attached files (renamed VBox.log files):

1) bad_blog.log: Guest with AHCI + Host I/O Cache problem. Hang after 08:33.32 runtime, then you can see the poweroff request.

2) bad_dns1.log: Guest with AHCI + Host I/O Cache problem. Hang after 08:33.59 runtime. Guest process was stopped with 'pkill', thats why it doesnt show the last logline with "AHCI#0P0: Canceled write at offset" as in bad_blog.log

3) good_oso.log: Guest with AHCI + no Host I/O Cache. Shows some AsyncCompletion problems but continues working

4) good_test.log: Same like (3)

5) Host version info

We removed Host I/O Cache on all Guests in the past which simply moved the problem to AsyncCompletion problems and crashes (and caused a very bad memory usage too).

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