bugThe GNU Hurd - Bugs: bug #48685, update-grub triggers filesystem...

 
 

bug #48685: update-grub triggers filesystem server panics

Submitted by:  Brent Baccala <baccala>
Submitted on:  Wed 03 Aug 2016 07:01:57 AM UTC  
 
Category: HurdSeverity: 3 - Normal
Priority: 5 - NormalItem Group: None
Status: FixedPrivacy: Public
Assigned to: NoneOriginator Name: 
Open/Closed: ClosedReproducibility: Every Time
Size (loc): NonePlanned Release: None
Effort: 0.00
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Wed 03 Aug 2016 07:52:38 AM UTC, comment #1:

The isofs crash is fixed in 21ee0e79. Please update your Hurd packages.

The fact that you are seeing these messages is a (quite nice actually) side-effect of 234568d0. I guess that if you were doing this on a Linux machine, you would see these in the kernel ring buffer. And indeed, I just tried:

[ 667.337992] VFS: Can't find a Minix filesystem V1 | V2 | V3 on device dm-6.
[ 667.339712] hfsplus: unable to find HFS+ superblock
[ 667.341322] qnx4: no qnx4 filesystem (no root dir).
[ 667.342771] ufs: You didn't specify the type of your ufs filesystem

mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...

>>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old

[ 667.342935] ufs: ufs_fill_super(): bad magic number
[ 667.344509] hfs: can't find a HFS filesystem on dev dm-6

Justus Winter <teythoon>
Project Member
Wed 03 Aug 2016 07:01:57 AM UTC, original submission:

I'm running Mach/Hurd in qemu/kvm, on a Linux 4.4.0 host (Ubuntu 16.04). Mach is 1.7+git20160607-486-dbg; the Hurd is from debian-hurd-20160325.

I always get panics when I run update-grub:

Here's what update-grub is reporting:

/dev/hd0s2 is the extended partition:

Looks to me like it's doing something to the extended partition, which seems strange, and then bad things happen.

Brent Baccala <baccala>

 

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    Follow 2 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Wed 03 Aug 2016 07:52:38 AM UTCteythoonStatusNone=>Fixed
      Open/ClosedOpen=>Closed

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