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查看“UbuntuHelp:SquashfsErrors”的源代码
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UbuntuHelp:SquashfsErrors
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{{From|https://help.ubuntu.com/community/SquashfsErrors}} {{Languages|UbuntuHelp:SquashfsErrors}} == SquashFS Errors == === Problem Statement === Some users have reported being unable to boot from the Ubuntu [[UbuntuHelp:LiveCD|LiveCD]], due to SquasFS errors like this: <pre><nowiki> SQUASHFS error: sb_bread failed reading block 0x9d7f3 SQUASHFS error: Unable to read fragment cache block [275faa28] SQUASHFS error: Unable to read page, block 275faa28, size 23a7 </nowiki></pre> === Causes and Solutions === These errors can be due to a variety of reasons: * bad memory modules (solution: use memtest86+ to check your memory) * a bad dvd drive (solution: if possible, try using a different cd/dvd drive) * bad data cable (solution: change it for a new one) * bad media (solution: try burning the iso image to a new disc) * a corrupted iso image (solution: run an md5 checksum, and if they don't match, download the iso image again) === Temporary Workarounds === Some users have reported that adding the ide=nodma or acpi=off allowed them to work around this issue (which proved to be bad memory modules). You might want to give that a try Successful boot was achieved by adding "all_generic_ide" to the grub boot line for the live CD. === If is not a HW problem and you can probe it === If you definitely found that is not a HW issue, add you comment with all the logs and evidence you can get to [https://bugs.edge.launchpad.net/ubuntu/+source/linux/+bug/172937 Launchpad bug #172937] [[category:UbuntuHelp]]
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