Try attached patch Tony Vroon wrote: > Ladies and gentlemen, > > It would appear that the ext2-fs driver is not reliably able to read > directories on my ~3TB / filesystem: > /dev/root 3.4T 1.7T 1.6T 52% / > /dev/root on / type ext4 (rw,noatime,barrier=1,data=ordered) > > Whilst doing some troubleshooting over IRC, I was given a debug patch. > With this patch applied, I'll show you a working directory entry (/etc) > and a non-working directory entry (/boot): > prometheus ~ # grub-fstest -d ext2 -v /dev/sda3 ls /etc > fs/ext2.c:862: grub_fshelp_dir returning: 9 > fs/ext2.c:862: grub_fshelp_dir returning: 9 > fs/ext2.c:862: grub_fshelp_dir returning: 9 > fs/ext2.c:862: grub_fshelp_dir returning: 9 > fs/ext2.c:862: grub_fshelp_dir returning: 9 > fs/ext2.c:862: grub_fshelp_dir returning: 9 > fs/ext2.c:651: iterating inode size=4096 mode=0x41ed > fs/ext2.c:688: got filename: '.', type 2 > fs/ext2.c:862: grub_fshelp_dir returning: 0 > fs/ext2.c:651: iterating inode size=4096 mode=0x41ed > fs/ext2.c:688: got filename: '.', type 2 > fs/ext2.c:688: got filename: '..', type 2 > fs/ext2.c:688: got filename: 'lost+found', type 2 > fs/ext2.c:688: got filename: 'lib', type 7 > fs/ext2.c:688: got filename: '.config', type 1 > fs/ext2.c:688: got filename: 'sbin', type 2 > fs/ext2.c:688: got filename: 'root', type 2 > fs/ext2.c:688: got filename: 'mnt', type 2 > fs/ext2.c:688: got filename: 'opt', type 2 > fs/ext2.c:688: got filename: 'var', type 2 > fs/ext2.c:688: got filename: 'usr', type 2 > fs/ext2.c:688: got filename: 'dev', type 2 > fs/ext2.c:688: got filename: 'lib32', type 2 > fs/ext2.c:688: got filename: 'home', type 2 > fs/ext2.c:688: got filename: 'tmp', type 2 > fs/ext2.c:688: got filename: 'media', type 2 > fs/ext2.c:688: got filename: 'sys', type 2 > fs/ext2.c:688: got filename: 'cvs', type 2 > fs/ext2.c:688: got filename: 'proc', type 2 > fs/ext2.c:688: got filename: 'etc', type 2 > fs/ext2.c:651: iterating inode size=0 mode=0x0 > fs/ext2.c:862: grub_fshelp_dir returning: 0 > > prometheus ~ # grub-fstest -d ext2 -v /dev/sda3 ls /boot > fs/ext2.c:862: grub_fshelp_dir returning: 9 > fs/ext2.c:862: grub_fshelp_dir returning: 9 > fs/ext2.c:862: grub_fshelp_dir returning: 9 > fs/ext2.c:862: grub_fshelp_dir returning: 9 > fs/ext2.c:862: grub_fshelp_dir returning: 9 > fs/ext2.c:862: grub_fshelp_dir returning: 9 > fs/ext2.c:651: iterating inode size=4096 mode=0x41ed > fs/ext2.c:688: got filename: '.', type 2 > fs/ext2.c:862: grub_fshelp_dir returning: 0 > fs/ext2.c:651: iterating inode size=4096 mode=0x41ed > fs/ext2.c:688: got filename: '.', type 2 > fs/ext2.c:688: got filename: '..', type 2 > fs/ext2.c:688: got filename: 'lost+found', type 2 > fs/ext2.c:688: got filename: 'lib', type 7 > fs/ext2.c:688: got filename: '.config', type 1 > fs/ext2.c:688: got filename: 'sbin', type 2 > fs/ext2.c:688: got filename: 'root', type 2 > fs/ext2.c:688: got filename: 'mnt', type 2 > fs/ext2.c:688: got filename: 'opt', type 2 > fs/ext2.c:688: got filename: 'var', type 2 > fs/ext2.c:688: got filename: 'usr', type 2 > fs/ext2.c:688: got filename: 'dev', type 2 > fs/ext2.c:688: got filename: 'lib32', type 2 > fs/ext2.c:688: got filename: 'home', type 2 > fs/ext2.c:688: got filename: 'tmp', type 2 > fs/ext2.c:688: got filename: 'media', type 2 > fs/ext2.c:688: got filename: 'sys', type 2 > fs/ext2.c:688: got filename: 'cvs', type 2 > fs/ext2.c:688: got filename: 'proc', type 2 > fs/ext2.c:688: got filename: 'etc', type 2 > fs/ext2.c:688: got filename: 'lib64', type 2 > fs/ext2.c:688: got filename: 'boot', type 2 > fs/ext2.c:651: iterating inode size=0 mode=0x0 > fs/ext2.c:862: grub_fshelp_dir returning: 0 > > In order to help troubleshoot this, I can apply patches on top of > current SVN, run fstest & test booting for you. Please note that making > images of a 3TB drive is not practical and will not reflect the real > situation to you. > Sorry, but I am not comfortable offering SSH access to random internet > strangers. > > Regards, > Tony V. > > ------------------------------------------------------------------------ > > _______________________________________________ > Grub-devel mailing list > Grub-devel@gnu.org > http://lists.gnu.org/mailman/listinfo/grub-devel >
-- Regards Vladimir 'φ-coder/phcoder' Serbinenko
=== modified file 'fs/ext2.c'
--- fs/ext2.c 2010-01-20 08:12:47 +0000
+++ fs/ext2.c 2010-02-24 10:48:31 +0000
@@ -436,7 +436,8 @@
grub_uint32_t indir[blksz / 4];
if (grub_disk_read (data->disk,
- grub_le_to_cpu32 (inode->blocks.indir_block)
+ ((grub_disk_addr_t)
+ grub_le_to_cpu32 (inode->blocks.indir_block))
<< log2_blksz,
0, blksz, indir))
return grub_errno;
@@ -452,13 +453,15 @@
grub_uint32_t indir[blksz / 4];
if (grub_disk_read (data->disk,
- grub_le_to_cpu32 (inode->blocks.double_indir_block)
+ ((grub_disk_addr_t)
+ grub_le_to_cpu32 (inode->blocks.double_indir_block))
<< log2_blksz,
0, blksz, indir))
return grub_errno;
if (grub_disk_read (data->disk,
- grub_le_to_cpu32 (indir[rblock / perblock])
+ ((grub_disk_addr_t)
+ grub_le_to_cpu32 (indir[rblock / perblock]))
<< log2_blksz,
0, blksz, indir))
return grub_errno;
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