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Date: Thu, 25 Sep 2008 17:03:19 +0200 From: Pavel Machek <pavel@...e.cz> To: kernel list <linux-kernel@...r.kernel.org>, tytso@....edu, jack@...e.cz, sct@...hat.com, akpm@...ux-foundation.org, adilger@....com Cc: linux-ext4@...r.kernel.org Subject: ext3 read only handling Inserting read-only ext3 SD card into a machine and trying to mount ext3 volume on it is very unnice :-(. Is there easy way to "fix" -oro so that it does not write to the media? (Machine died after I played with that SD card a bit more, but I can't easily reproduce that...) Pavel Sep 25 11:51:38 amd kernel: mmcblk0: mmc0:0002 SD1GB 975872KiB (ro) Sep 25 11:51:38 amd kernel: mmcblk0: p1 Sep 25 11:51:47 amd kernel: JBD: Clearing recovery information on journal Sep 25 11:51:47 amd kernel: mmcblk0: error -110 transferring data Sep 25 11:51:47 amd kernel: end_request: I/O error, dev mmcblk0, sector 4017 Sep 25 11:51:47 amd kernel: Buffer I/O error on device mmcblk0p1, logical block 486 Sep 25 11:51:47 amd kernel: lost page write due to I/O error on mmcblk0p1 Sep 25 11:51:48 amd kernel: mmcblk0: error -110 transferring data Sep 25 11:51:48 amd kernel: end_request: I/O error, dev mmcblk0, sector 129 Sep 25 11:51:48 amd kernel: Buffer I/O error on device mmcblk0p1, logical block 0 Sep 25 11:51:48 amd kernel: lost page write due to I/O error on mmcblk0p1 Sep 25 11:51:48 amd kernel: end_request: I/O error, dev mmcblk0, sector 137 Sep 25 11:51:48 amd kernel: Buffer I/O error on device mmcblk0p1, logical block 1 Sep 25 11:51:48 amd kernel: lost page write due to I/O error on mmcblk0p1 Sep 25 11:51:48 amd kernel: mmcblk0: error -110 transferring data Sep 25 11:51:48 amd kernel: end_request: I/O error, dev mmcblk0, sector 161 Sep 25 11:51:48 amd kernel: Buffer I/O error on device mmcblk0p1, logical block 4 Sep 25 11:51:48 amd kernel: lost page write due to I/O error on mmcblk0p1 Sep 25 11:51:49 amd kernel: mmcblk0: error -110 transferring data Sep 25 11:51:49 amd kernel: end_request: I/O error, dev mmcblk0, sector 3977 Sep 25 11:51:49 amd kernel: Buffer I/O error on device mmcblk0p1, logical block 481 Sep 25 11:51:49 amd kernel: lost page write due to I/O error on mmcblk0p1 Sep 25 11:51:49 amd kernel: mmcblk0: error -110 transferring data Sep 25 11:51:49 amd kernel: end_request: I/O error, dev mmcblk0, sector 262305 Sep 25 11:51:49 amd kernel: Buffer I/O error on device mmcblk0p1, logical block 32772 Sep 25 11:51:49 amd kernel: lost page write due to I/O error on mmcblk0p1 Sep 25 11:51:50 amd kernel: mmcblk0: error -110 transferring data Sep 25 11:51:50 amd kernel: end_request: I/O error, dev mmcblk0, sector 524417 Sep 25 11:51:50 amd kernel: Buffer I/O error on device mmcblk0p1, logical block 65536 Sep 25 11:51:50 amd kernel: lost page write due to I/O error on mmcblk0p1 Sep 25 11:51:50 amd kernel: end_request: I/O error, dev mmcblk0, sector 524425 Sep 25 11:51:50 amd kernel: Buffer I/O error on device mmcblk0p1, logical block 65537 Sep 25 11:51:50 amd kernel: lost page write due to I/O error on mmcblk0p1 Sep 25 11:51:50 amd kernel: end_request: I/O error, dev mmcblk0, sector 524433 Sep 25 11:51:50 amd kernel: Buffer I/O error on device mmcblk0p1, logical block 65538 Sep 25 11:51:50 amd kernel: lost page write due to I/O error on mmcblk0p1 Sep 25 11:51:50 amd kernel: mmcblk0: error -110 transferring data Sep 25 11:51:50 amd kernel: end_request: I/O error, dev mmcblk0, sector 528249 Sep 25 11:51:50 amd kernel: Buffer I/O error on device mmcblk0p1, logical block 66015 Sep 25 11:51:50 amd kernel: lost page write due to I/O error on mmcblk0p1 Sep 25 11:51:51 amd kernel: mmcblk0: error -110 transferring data Sep 25 11:51:51 amd kernel: end_request: I/O error, dev mmcblk0, sector 1048705 Sep 25 11:51:51 amd kernel: end_request: I/O error, dev mmcblk0, sector 1048713 Sep 25 11:51:51 amd kernel: end_request: I/O error, dev mmcblk0, sector 1048721 Sep 25 11:51:51 amd kernel: mmcblk0: error -110 transferring data Sep 25 11:51:51 amd kernel: end_request: I/O error, dev mmcblk0, sector 1052537 Sep 25 11:51:52 amd kernel: mmcblk0: error -110 transferring data Sep 25 11:51:52 amd kernel: end_request: I/O error, dev mmcblk0, sector 4017 Sep 25 11:51:52 amd kernel: kjournald starting. Commit interval 5 seconds Sep 25 11:51:52 amd kernel: ------------[ cut here ]------------ Sep 25 11:51:52 amd kernel: WARNING: at /data/l/linux/fs/buffer.c:1186 mark_buffer_dirty+0x57/0x70() Sep 25 11:51:52 amd kernel: Modules linked in: Sep 25 11:51:52 amd kernel: Pid: 16292, comm: mount Not tainted 2.6.27-rc6 #379 Sep 25 11:51:52 amd kernel: [<c022ae8f>] warn_on_slowpath+0x5f/0x90 Sep 25 11:51:52 amd kernel: [<c02a36c2>] __find_get_block+0x82/0x190 Sep 25 11:51:52 amd kernel: [<c024a611>] __lock_acquire+0x181/0x930 Sep 25 11:51:52 amd kernel: [<c024a611>] __lock_acquire+0x181/0x930 Sep 25 11:51:52 amd kernel: [<c03006b7>] journal_update_superblock+0x67/0xd0 Sep 25 11:51:52 amd kernel: [<c02a3c97>] mark_buffer_dirty+0x57/0x70 Sep 25 11:51:52 amd kernel: [<c03006bf>] journal_update_superblock+0x6f/0xd0 Sep 25 11:51:52 amd kernel: [<c0300b31>] journal_flush+0xa1/0x120 Sep 25 11:51:52 amd kernel: [<c02f4a6c>] ext3_mark_recovery_complete+0x2c/0x80 Sep 25 11:51:52 amd kernel: [<c02f747e>] ext3_fill_super+0x125e/0x1800 Sep 25 11:51:52 amd kernel: [<c039089f>] snprintf+0x1f/0x30 Sep 25 11:51:52 amd kernel: [<c02c0d00>] disk_name+0xb0/0xc0 Sep 25 11:51:52 amd kernel: [<c0284304>] get_sb_bdev+0x104/0x130 Sep 25 11:51:52 amd kernel: [<c026a299>] kstrdup+0x39/0x70 Sep 25 11:51:52 amd kernel: [<c02f4810>] ext3_get_sb+0x20/0x30 Sep 25 11:51:52 amd kernel: [<c02f6220>] ext3_fill_super+0x0/0x1800 Sep 25 11:51:52 amd kernel: [<c0283e33>] vfs_kern_mount+0x43/0x90 Sep 25 11:51:52 amd kernel: [<c0283edd>] do_kern_mount+0x3d/0xe0 Sep 25 11:51:52 amd kernel: [<c0299f71>] do_new_mount+0x81/0xc0 Sep 25 11:51:52 amd kernel: [<c029a127>] do_mount+0x177/0x1d0 Sep 25 11:51:52 amd kernel: [<c0297de0>] copy_mount_options+0x40/0x150 Sep 25 11:51:52 amd kernel: [<c029a1f7>] sys_mount+0x77/0xc0 Sep 25 11:51:52 amd kernel: [<c0203c3a>] syscall_call+0x7/0xb Sep 25 11:51:52 amd kernel: ======================= Sep 25 11:51:52 amd kernel: ---[ end trace c1e48b3b4f28cda2 ]--- Sep 25 11:51:52 amd kernel: mmcblk0: error -110 transferring data Sep 25 11:51:52 amd kernel: end_request: I/O error, dev mmcblk0, sector 4017 Sep 25 11:51:53 amd kernel: mmcblk0: error -110 transferring data Sep 25 11:51:53 amd kernel: end_request: I/O error, dev mmcblk0, sector 129 Sep 25 11:51:53 amd kernel: __ratelimit: 6 callbacks suppressed Sep 25 11:51:53 amd kernel: Buffer I/O error on device mmcblk0p1, logical block 0 Sep 25 11:51:53 amd kernel: lost page write due to I/O error on mmcblk0p1 Sep 25 11:51:53 amd kernel: EXT3-fs: mounted filesystem with ordered data mode. Sep 25 11:52:04 amd kernel: mmc0: card 0002 removed -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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