bug#43362: closed (Linux kernel 5.8.8 and newer)

[GNU bug Tracking System]

Your message dated Mon, 14 Sep 2020 10:59:06 -0700
with message-id <20200914175906.GB24535@ohop.brianlane.com>
and subject line Re: bug#43362: SOLVED
has caused the debbugs.gnu.org bug report #43362,
regarding Linux kernel 5.8.8 and newer
to be marked as done.

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help-debbugs@gnu.org.)


-- 
43362: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=43362
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> --- Begin Message ---
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>
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> Subject: 
>
> Linux kernel 5.8.8 and newer
>
>
>
>
> Date: 
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> Sat, 12 Sep 2020 17:35:00 +0200
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>
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> User-agent: 
>
> Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.1.1
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>
>
>
> Hello,
>
> Since kernel 5.8.8, parted gives the following error message each time 
> parted attempts to modify something on the disk.
>
> libparted 3.3
> Partition(s) 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 
> 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 
> 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 
> 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 
> 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 
> 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 
> 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 
> 123, 124, 125, 126, 127, 128 on /dev/sda have been written, but we have 
> been unable to inform the kernel of the change, probably because it/they 
> are in use.  As a result, the old partition(s) will remain in use.  You 
> should reboot now before making further changes.
>
> In the example above, my disk contains 4 real partitions.
> This bug appears on all the computers I have tried here.
> Is this a new kernel feature or a parted bug?
>
> Best regards.
>
> Alain
>
>
>
> --- End Message ---
> --- Begin Message ---
>
>
>
> Subject: 
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> Re: bug#43362: SOLVED
>
>
>
>
> Date: 
>
> Mon, 14 Sep 2020 10:59:06 -0700
>
>
>
>
> On Sun, Sep 13, 2020 at 05:51:50PM +0200, Bureau wrote:
> > 
> > Hello,
> > 
> > After digging in the kernel, it is a new kernel feature.
> > 
> > In kernel source files :
> > 
> > block/partitions/core.c
> > 
> > have been changed.
> > 
> > To get parted-3.3 working again, in the source code of parted-3.3, 
> > modify the file:
> > 
> > libparted/arch/linux.c
> > 
> > in the function :
> > 
> > static int _disk_sync_part_table()
> > 
> > line 3203, replace :
> > 
> > if (ok [i - 1] || errnums [i - 1] == ENXIO
> > by
> > if (ok [i - 1] || errnums [i - 1] == ENOMEM
> > 
> > Accordingly to the changes made in block/partitions/core.c
> > That is making parted working again.
>
> I dug into this and it's a kernel bug that will be fixed in 5.9 rc5 as
> well as backported to 5.8.10 so changing it in parted isn't the right
> solution.
>
> Thanks,
>
> Brian
>
> -- 
> Brian C. Lane (PST8PDT) - weldr.io - lorax - parted - pykickstart
>
>
>
> --- End Message ---