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Bug 1630763

Summary: Out of memory when installing RHEL7.6
Product: Red Hat Enterprise Linux 7 Reporter: Roman Bednář <rbednar>
Component: anacondaAssignee: Anaconda Maintenance Team <anaconda-maint-list>
Status: CLOSED WONTFIX QA Contact: Release Test Team <release-test-team-automation>
Severity: urgent Docs Contact:
Priority: unspecified    
Version: 7.6CC: dracut-maint-list, jkonecny, jkortus, jomurphy, rbednar, salmy, sbueno
Target Milestone: rc   
Target Release: ---   
Hardware: Unspecified   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2019-05-26 11:01:33 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description Roman Bednář 2018-09-19 08:37:58 UTC 
Running out of memory when installing RHEL-7.6-20180913.n.0 on 1.2GB RAM VM.


[    6.229433] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 10
[    6.229891] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver
[    6.238196] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver
[    6.254827] ACPI: PCI Interrupt Link [LNKA] enabled at IRQ 10
[    6.255284] virtio-pci 0000:00:05.0: virtio_pci: leaving for legacy driver
[    6.262791] ACPI: PCI Interrupt Link [LNKB] enabled at IRQ 11
[    6.263298] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver
[    6.390569] scsi host0: ata_piix
[    6.413868] scsi host1: ata_piix
[    6.414152] ata1: PATA max MWDMA2 cmd 0x1f0 ctl 0x3f6 bmdma 0xc0c0 irq 14
[    6.414645] ata2: PATA max MWDMA2 cmd 0x170 ctl 0x376 bmdma 0xc0c8 irq 15
 %G[    6.728648] virtio_blk virtio1: [vda] 16777216 512-byte logical blocks (8.58 GB/8.00 GiB)
[    6.745124]  vda: vda1 vda2
[    6.822793] 8021q: 802.1Q VLAN Support v1.8
[    6.883486] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[    6.883887] 8021q: adding VLAN 0 to HW filter on device eth0
[    7.737013] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[    9.882339] dracut-initqueue[931]: % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
[    9.883868] dracut-initqueue[931]: Dload  Upload   Total   Spent    Left  Speed
[    9.923101] dracut-initqueue[931]: 0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0 100 23588  100 23588    0     0   570k      0 --:--:-- --:--:-- --:--:--  575k
[   10.629542] dracut-initqueue[931]: % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
[   10.631130] dracut-initqueue[931]: Dload  Upload   Total   Spent    Left  Speed
[   11.682155] random: crng init done
[   14.495358] dracut-initqueue[931]: 0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0   9  424M    9 39.4M    0     0   106M      0  0:00:03 --:--:--  0:00:03  106M  35  424M   35  149M    0     0   108M      0  0:00:03  0:00:01  0:00:02  108M  61  424M   61  259M    0     0   109M      0  0:00:03  0:00:02  0:00:01  109M  86  424M   86  367M    0     0   109M      0  0:00:03  0:00:03 --:--:--  109M  99  424M   99  422M    0     0   109M      0  0:00:03  0:00:03 --:--:--  109M
[   14.499035] dracut-initqueue[931]: curl: (23) Failed writing body (1986 != 7240)
[   14.961836] loop: module loaded
[   14.704469] dracut-initqueue[931]: mount: wrong fs type, bad option, bad superblock on /dev/loop0,
[   14.705256] dracut-initqueue[931]: missing codepage or helper program, or other error
[   14.706056] dracut-initqueue[931]: In some cases useful info is found in syslog - try
[   14.706244] dracut-initqueue[931]: dmesg | tail or so.
[   14.713338] dracut-initqueue[931]: umount: /run/initramfs/squashfs: not mounted
[   14.719786] dracut-initqueue[931]: /sbin/dmsquash-live-root: line 286: printf: write error: No space left on device
[  137.964841] dracut-initqueue[931]: Warning: dracut-initqueue timeout - starting timeout scripts


1.2GB was fine for RHEL7.5 - flagging as regression.

Installation is possible after increasing to 1.4GB.
Comment 3 Lukáš Nykrýn 2018-09-19 08:49:16 UTC 
Well, Dracut can't do anything about this, it just creates the image, what is inside is decided by external sources. Let's try lorax. But I am still not sure who should deal with these issues.
Comment 5 Brian Lane 2018-09-19 16:43:46 UTC 
There isn't anything lorax can do about this without someone suggesting things to remove from the boot.iso rootfs image. The reality is that over time things get larger as we add more features and tools, installing is almost always going to require more memory than running a minimal system.

One workaround is to mount things from nfs instead of the boot.iso

Anaconda is usually where we document the minimum requirements for installation.
Comment 8 Jiri Konecny 2019-05-26 11:01:33 UTC 
As said in the comment 7, it is expected the OS getting bigger. Closing this bug.