First - a disclaimer. My kernel is tainted. I'm asking people here whether anyone knows anything about it, before going through the process of untainting my kernel (nvidia, vmware).
I'm not sure what the conditions are, yet. The problem happened once while downloading the Fedora ISOs (and I didn't get the hint :-\ ), and once while compiling wine and editing a picture with Gimp (about four days apart). The problems are not easilly reproducable.
The CPU jumps to 100%, the mouse still functions (as well as the kcpuload applet), but the window manager no longer functions. The console is filled with messages:
Nov 11 08:08:27 sun kernel: vs-3050: wait_buffer_until_released: nobody releases buffer (dev 03:09, size 4096, blocknr 4587520, count 3, list 0, state 0x10019, page c157a280, (UPTODATE, CLEAN, UNLOCKED)). Still waiting (30000000) JDIRTY !JWAIT sr0: CDROM not ready. Make sure there is a disc in the drive
The second message may not be related. The negative number in the paranthesis keeps changing. The last time the message was
Nov 9 00:52:07 sun kernel: vs-3050: wait_buffer_until_released: nobody releases buffer (dev 03:09, size 4096, blocknr 1146880, count 3, list 0, state 0x10019, page c1563d20, (UPTODATE, CLEAN, UNLOCKED)). Still waiting (210000000) JDIRTY !JWAIT
While X became unresponsive, I could switch to text console, log in, and run programs (top, etc.). I couldn't kill the process that caused the problem (winebuild). It's apparent that neither disk nor filesystem are fatally locked.
One more note - I'm using a new hard disk. The first time this happened, I thought that this may be due to a disk failure. Now I'm no longer sure.
sun:~# uname -r
2.4.22-1-686
Debian/Sid
sun:~# lsmod
Module Size Used by Tainted: PF
sr_mod 14744 2 (autoclean)
cdrom 29184 0 (autoclean) [sr_mod]
nvidia 1630400 11 (autoclean)
apm 10060 1 (autoclean)
vmnet 19600 4
vmmon 23260 0 (unused)
usb-storage 69376 0 (autoclean) (unused)
autofs4 9876 2 (autoclean)
af_packet 13672 1 (autoclean)
decnet 78480 1
ide-scsi 10448 1
scsi_mod 95296 2 [sr_mod usb-storage ide-scsi]
jedec_probe 9760 0 (autoclean)
gen_probe 2512 0 (autoclean) [jedec_probe]
chipreg 761 0 [jedec_probe]
cmpci 26484 1
soundcore 3940 2 [cmpci]
agpgart 41976 3
8139too 15912 1
mii 2464 0 [8139too]
crc32 2912 0 [8139too]
parport_pc 23880 1 (autoclean)
lp 7168 0 (autoclean)
parport 26728 1 (autoclean) [parport_pc lp]
printer 7520 0
scanner 10720 0 (unused)
keybdev 2116 0 (unused)
mousedev 4372 1
hid 21860 0 (unused)
usbmouse 2296 0 (unused)
usbkbd 3672 0 (unused)
input 3648 0 [keybdev mousedev hid usbmouse usbkbd]
usb-uhci 23600 0 (unused)
usbcore 63372 1 [usb-storage printer scanner hid usbmouse usbkbd usb-uhci]
rtc 6792 0 (autoclean)
reiserfs 191056 5 (autoclean)
ext2 36352 1 (autoclean)
ext3 65316 0 (autoclean)
jbd 42760 0 (autoclean) [ext3]
ide-detect 10832 0 (autoclean)
cmd64x 8036 0 (autoclean) (unused)
cmd640 2916 0 (autoclean) (unused)
cy82c693 2156 0 (autoclean) (unused)
slc90e66 4880 0 (autoclean) (unused)
sis5513 11824 0 (autoclean) (unused)
via82cxxx 11144 0 (autoclean) (unused)
aec62xx 6020 0 (autoclean) (unused)
amd74xx 10148 0 (autoclean) (unused)
serverworks 8412 0 (autoclean) (unused)
hpt34x 2504 0 (autoclean) (unused)
hpt366 15556 0 (autoclean) (unused)
ide-disk 16832 7 (autoclean) [hpt366]
piix 8392 1 (autoclean)
opti621 2668 0 (autoclean) (unused)
generic 1928 0 (autoclean) (unused)
sc1200 5232 0 (autoclean) (unused)
alim15x3 7796 0 (autoclean) (unused)
pdc202xx_old 11492 0 (autoclean) (unused)
pdc202xx_new 8004 0 (autoclean) (unused)
ns87415 2056 0 (autoclean) (unused)
rz1000 1064 0 (autoclean) (unused)
cs5530 3728 0 (autoclean) (unused)
adma100 840 0 (autoclean) (unused)
siimage 9124 0 (autoclean) (unused)
triflex 2508 0 (autoclean) (unused)
trm290 2506 0 (autoclean) (unused)
ide-core 99064 7 (autoclean) [usb-storage ide-scsi ide-detect cmd64x cmd640 cy82c693 slc90e66 sis5513 via82cxxx aec62xx amd74xx serverworks hpt34x hpt366 ide-disk piix opti621 generic sc1200 alim15x3 pdc202xx_old pdc202xx_new ns87415 rz1000 cs5530 adma100 siimage triflex trm290]
unix 15500 138 (autoclean)
-- Shachar Shemesh Open Source integration consultant Home page & resume - http://www.shemesh.biz/
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