Re: Kernel panic while mounting a CD-ROM drive
Hello!
The same happens on my C3000 using the prebuild kernels from parisc-linux.org and
a IDE cdrom drive.
[but there is some progress as my USB keyboard works again so I can use the local monitor for login].
I think the last kernel I tested was version 2.6.12-rc5-pa3
What 'worries' me is that I can see a message like 'module ide_cd missing' when booting.
So far I don't know if that message indicates some error in the kernel (build) or if my configuration tells
the kernel to load it 'dynamically' afterwards (found nothing in /etc/...)
BTW: When I use a serial cable and connect it a PC running minicom I get normal console output, but
suddenly (during hardware detection if I remember right) it starts to beep a lot and I get only
garbage on the screen. After that 'dataquake' is over it works again ...
When I have some time this weekend to test the newest kernel I will try to log the boot message and kernel
panic again - the last time it was somehow missing from my minicom logfile ...)
Erik.
"J. L. Lee" <jllee@singnet.com.sg> schrieb am 17.06.05 17:27:08:
> Hi,
>
> I set up my B2000 (with PCI Matrox Millennum II card) to run on kernel 2.6.11-rc6-pa1 a few days ago and was able to mount the CD-ROM drive and used it on several occassions. However it kept on causing kernel panic and froze the B2000 whenever I tried to mount the CD-ROM drive since today.
>
> The difference then and now (since I last used the CD-ROM drive) is that I have installed successfully a X Windows package. Could this be the reason? I have tried both init level 2 & 3 but this did not make a difference. Any idea what went wrong?
>
> (Please read pps below for the kernel panic messages.)
>
> Rgds,
> Lee
>
> ps. Last few lines of the start-up messages before login prompt showing what components of X Windows is running:
>
> Initializing random number generator...done.
> Setting up X server socket directory /tmp/.X11-unix...done.
> Setting up ICE socket directory /tmp/.ICE-unix...done.
> INIT: Entering runlevel: 3
> Starting system log daemon: syslogd.
> Starting kernel log daemon: klogd.
> Starting portmap daemon: portmap.
> Starting internet superserver: inetd.
> Setting up X font server socket directory /tmp/.font-unix...done.
> Starting X font server: xfs.
> Starting X-TT font server: xfs-xtt.
> Starting Xprint servers: Xprt.
> Starting file alteration monitor: FAM.
> Starting periodic command scheduler: cron.
> Not starting WINGs display manager (wdm); it is not the default display manager.
> Not starting X display manager (xdm); it is not the default display manager.
>
> Debian GNU/Linux 3.1 DebianHPPA.example.com ttyS0
>
> DebianHPPA.example.com login:
>
>
> pps. Kernel panic messages immediately after I issued "mount" command:
>
> mount /dev/hda /media/cdrom0
> Backtrace:
>
> [<10158408>] __blk_queue_bounce+0x1fc/0x294
>
> [<10278774>] __make_request+0x74/0x4e8
>
> [<10279050>] generic_make_request+0x1a8/0x26c
>
> [<10279184>] submit_bio+0x70/0x120
>
> [<10171a10>] submit_bh+0x148/0x1ac
>
> [<101705e8>] block_read_full_page+0x220/0x338
>
> [<1015125c>] read_pages+0x16c/0x1d8
>
> [<101513d4>] __do_page_cache_readahead+0x10c/0x190
>
> [<1015160c>] blockable_page_cache_readahead+0x68/0xe0
>
> [<101518c4>] page_cache_readahead+0x18c/0x1ac
>
> [<1014a050>] do_generic_mapping_read+0x6c0/0x6c8
>
> [<1014a374>] __generic_file_aio_read+0x1b0/0x1c8
>
> [<1014a494>] generic_file_read+0x90/0xb8
>
> [<1016c210>] vfs_read+0xe0/0x158
>
> [<1016c52c>] sys_read+0x58/0xa8
>
> [<1010d12c>] syscall_exit+0x0/0x14
>
>
>
> Kernel Fault: Code=26 regs=1ba94a40 (Addr=0000000c)
>
>
> YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI
>
> PSW: 00000000000001101110111100001111 Not tainted
>
> r00-03 00000000 103a7010 10158408 00011210
>
> r04-07 00011200 00000000 00000000 1f44d140
>
> r08-11 1ba94898 00000000 1f76c370 1049f010
>
> r12-15 00000000 10000000 1049f010 10000000
>
> r16-19 1049f010 10175040 1fff2420 1013ed60
>
> r20-23 1ba949d4 ffffffaf 1ba949d4 00000000
>
> r24-27 00000000 00000010 00011200 1038d010
>
> r28-31 1f44d140 00052045 1ba94a40 1014d1ac
>
> sr0-3 00000000 00000000 00000000 00000028
>
> sr4-7 00000000 00000000 00000000 00000000
>
>
> IASQ: 00000000 00000000 IAOQ: 1014d19c 1014d1a0
>
> IIR: 0cb81099 ISR: 00000000 IOR: 0000000c
>
> CPU: 0 CR30: 1ba94000 CR31: 10428000
>
> ORIG_R28: ea3dad4f
>
> IAOQ[0]: mempool_alloc+0x9c/0x144
>
> IAOQ[1]: mempool_alloc+0xa0/0x144
>
> RP(r2): __blk_queue_bounce+0x1fc/0x294
>
> Kernel panic - not syncing: Kernel Fault
>
>
>
>
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