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bug#34162: linux-libre 4.20+ fails to mount ext4 on aarch64
From: |
Efraim Flashner |
Subject: |
bug#34162: linux-libre 4.20+ fails to mount ext4 on aarch64 |
Date: |
Wed, 23 Jan 2019 19:57:08 +0200 |
User-agent: |
Mutt/1.11.0 (2018-11-25) |
On Wed, Jan 23, 2019 at 07:54:24PM +0200, Efraim Flashner wrote:
> On Wed, Jan 23, 2019 at 11:54:31AM +0100, Ludovic Courtès wrote:
> > Hi Vagrant,
> >
> > Vagrant Cascadian <address@hidden> skribis:
> >
> > > After upgrading to linux-libre 4.20, and again tested with 4.20.3, an
> > > aarch64 system failed to boot (using 4.19.10 worked fine):
> > >
> > > [ 3.692351] device-mapper: ioctl: 4.39.0-ioctl (2018-04-03)
> > > initialised: address@hidden
> > > ext2fs_check_if_mount: Can't check if filesystem is mounted due to
> > > missing mtab file while determining whether /dev/sda6 is mounted.
> > > /dev/sda6: clean, 596262/6553600 files, 7663147/26214400 blocks
> > > [ 3.948786] EXT4-fs (sda6): Cannot load crc32c driver.
> > > ERROR: In procedure mount:
> > > In procedure mount: No such file or directory
> > >
> > > Entering a new prompt. Type `,bt' for a backtrace or `,q' to continue.
> > > GNU Guile 2.2.4
> > > Copyright (C) 1995-2017 Free Software Foundation, Inc.
> > >
> > > Guile comes with ABSOLUTELY NO WARRANTY; for details type `,show w'.
> > > This program is free software, and you are welcome to redistribute it
> > > under certain conditions; type `,show c' for details.
> > >
> > > Enter `,help' for help.
> > > scheme@(guile-user)>
> > >
> > > Workaround or fix was to add to config.scm:
> > >
> > > (initrd (append (list "crc32c_generic" ... ) %base-initrd-modules))
> >
> > There are potentially two issues here:
> >
> > 1. Why wasn’t crc32c_generic.ko automatically pulled in by the initrd
> > build code? Isn’t it a dependency of ext4.ko?
> >
> > 2. Is crc32c_generic built-in in our x86_64 kernel config?
> >
> $ grep _CRC gnu/packages/aux-files/linux-libre/4.20-{x86_,arm}64.conf
> gnu/packages/aux-files/linux-libre/4.20-x86_64.conf:#
> CONFIG_W1_SLAVE_DS2433_CRC is not set
> gnu/packages/aux-files/linux-libre/4.20-x86_64.conf:CONFIG_PWM_CRC=y
> gnu/packages/aux-files/linux-libre/4.20-x86_64.conf:CONFIG_CRYPTO_CRC32C=y
> gnu/packages/aux-files/linux-libre/4.20-x86_64.conf:CONFIG_CRYPTO_CRC32C_INTEL=y
> gnu/packages/aux-files/linux-libre/4.20-x86_64.conf:CONFIG_CRYPTO_CRC32=m
> gnu/packages/aux-files/linux-libre/4.20-x86_64.conf:CONFIG_CRYPTO_CRC32_PCLMUL=m
> gnu/packages/aux-files/linux-libre/4.20-x86_64.conf:CONFIG_CRYPTO_CRCT10DIF=y
> gnu/packages/aux-files/linux-libre/4.20-x86_64.conf:CONFIG_CRYPTO_CRCT10DIF_PCLMUL=m
> gnu/packages/aux-files/linux-libre/4.20-x86_64.conf:CONFIG_CRC_CCITT=y
> gnu/packages/aux-files/linux-libre/4.20-x86_64.conf:CONFIG_CRC16=y
> gnu/packages/aux-files/linux-libre/4.20-x86_64.conf:CONFIG_CRC_T10DIF=y
> gnu/packages/aux-files/linux-libre/4.20-x86_64.conf:CONFIG_CRC_ITU_T=m
> gnu/packages/aux-files/linux-libre/4.20-x86_64.conf:CONFIG_CRC32=y
> gnu/packages/aux-files/linux-libre/4.20-x86_64.conf:# CONFIG_CRC32_SELFTEST
> is not set
> gnu/packages/aux-files/linux-libre/4.20-x86_64.conf:CONFIG_CRC32_SLICEBY8=y
> gnu/packages/aux-files/linux-libre/4.20-x86_64.conf:# CONFIG_CRC32_SLICEBY4
> is not set
> gnu/packages/aux-files/linux-libre/4.20-x86_64.conf:# CONFIG_CRC32_SARWATE is
> not set
> gnu/packages/aux-files/linux-libre/4.20-x86_64.conf:# CONFIG_CRC32_BIT is not
> set
> gnu/packages/aux-files/linux-libre/4.20-x86_64.conf:CONFIG_CRC64=m
> gnu/packages/aux-files/linux-libre/4.20-x86_64.conf:# CONFIG_CRC4 is not set
> gnu/packages/aux-files/linux-libre/4.20-x86_64.conf:CONFIG_CRC7=m
> gnu/packages/aux-files/linux-libre/4.20-x86_64.conf:CONFIG_CRC8=m
> gnu/packages/aux-files/linux-libre/4.20-arm64.conf:#
> CONFIG_CRYPTO_CRCT10DIF_ARM64_CE is not set
> gnu/packages/aux-files/linux-libre/4.20-arm64.conf:#
> CONFIG_W1_SLAVE_DS2433_CRC is not set
> gnu/packages/aux-files/linux-libre/4.20-arm64.conf:CONFIG_CRYPTO_CRC32C=m
> gnu/packages/aux-files/linux-libre/4.20-arm64.conf:CONFIG_CRYPTO_CRC32=m
> gnu/packages/aux-files/linux-libre/4.20-arm64.conf:CONFIG_CRYPTO_CRCT10DIF=y
> gnu/packages/aux-files/linux-libre/4.20-arm64.conf:CONFIG_CRC_CCITT=m
> gnu/packages/aux-files/linux-libre/4.20-arm64.conf:CONFIG_CRC16=m
> gnu/packages/aux-files/linux-libre/4.20-arm64.conf:CONFIG_CRC_T10DIF=y
> gnu/packages/aux-files/linux-libre/4.20-arm64.conf:CONFIG_CRC_ITU_T=m
> gnu/packages/aux-files/linux-libre/4.20-arm64.conf:CONFIG_CRC32=y
> gnu/packages/aux-files/linux-libre/4.20-arm64.conf:# CONFIG_CRC32_SELFTEST is
> not set
> gnu/packages/aux-files/linux-libre/4.20-arm64.conf:CONFIG_CRC32_SLICEBY8=y
> gnu/packages/aux-files/linux-libre/4.20-arm64.conf:# CONFIG_CRC32_SLICEBY4 is
> not set
> gnu/packages/aux-files/linux-libre/4.20-arm64.conf:# CONFIG_CRC32_SARWATE is
> not set
> gnu/packages/aux-files/linux-libre/4.20-arm64.conf:# CONFIG_CRC32_BIT is not
> set
> gnu/packages/aux-files/linux-libre/4.20-arm64.conf:CONFIG_CRC64=m
> gnu/packages/aux-files/linux-libre/4.20-arm64.conf:# CONFIG_CRC4 is not set
> gnu/packages/aux-files/linux-libre/4.20-arm64.conf:CONFIG_CRC7=m
> gnu/packages/aux-files/linux-libre/4.20-arm64.conf:CONFIG_CRC8=m
>
> It looks like the only one that they share that is different is
> CONFIG_CRYPTO_CRC32C
>
Checked the others right after I sent the previous email:
$ grep _CRC32C gnu/packages/aux-files/linux-libre/4.20-*.conf
gnu/packages/aux-files/linux-libre/4.20-arm.conf:CONFIG_CRYPTO_CRC32C=y
gnu/packages/aux-files/linux-libre/4.20-arm64.conf:CONFIG_CRYPTO_CRC32C=m
gnu/packages/aux-files/linux-libre/4.20-i686.conf:CONFIG_CRYPTO_CRC32C=y
gnu/packages/aux-files/linux-libre/4.20-i686.conf:CONFIG_CRYPTO_CRC32C_INTEL=y
gnu/packages/aux-files/linux-libre/4.20-x86_64.conf:CONFIG_CRYPTO_CRC32C=y
gnu/packages/aux-files/linux-libre/4.20-x86_64.conf:CONFIG_CRYPTO_CRC32C_INTEL=y
--
Efraim Flashner <address@hidden> אפרים פלשנר
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