Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262263AbUDHTRd (ORCPT ); Thu, 8 Apr 2004 15:17:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262291AbUDHTRd (ORCPT ); Thu, 8 Apr 2004 15:17:33 -0400 Received: from pileup.ihatent.com ([217.13.24.22]:28112 "EHLO pileup.ihatent.com") by vger.kernel.org with ESMTP id S262263AbUDHTR0 (ORCPT ); Thu, 8 Apr 2004 15:17:26 -0400 To: linux-kernel@vger.kernel.org Subject: Badness in elv_remove_request at drivers/block/elevator.c:253 From: Alexander Hoogerhuis Date: Thu, 08 Apr 2004 20:10:18 +0200 Message-ID: <87smfexrw5.fsf@dorker.boxed.no> User-Agent: Gnus/5.1006 (Gnus v5.10.6) Emacs/21.3 (gnu/linux) MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="=-=-=" Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 10141 Lines: 166 --=-=-= Playing around with some HP servers that are going live soon, I loaded up 2.6.5-mm1 and all filesystems are ext3, the disks are mirrored 36Gb SCSI using the cciss-driver. After the machine had been exceedingly wellbehaved I decided to have fun and did this: formail -s mail < big.mail.box and thus injected approx 20k mails into postfix. The machine stayed responsive and well behaved throughout, but the kernel log caught a few of these: Badness in elv_remove_request at drivers/block/elevator.c:253 Call Trace: [] elv_remove_request+0x92/0x94 [] do_cciss_request+0x290/0x2bf [] as_remove_queued_request+0x70/0xf9 [] scheduler_tick+0x17f/0x4b3 [] as_find_next_arq+0x63/0x76 [] as_move_to_dispatch+0xe8/0x1c4 [] schedule+0x445/0x85c [] as_dispatch_request+0x130/0x2b1 [] as_work_handler+0x78/0x7a [] worker_thread+0x1a2/0x245 [] as_work_handler+0x0/0x7a [] default_wake_function+0x0/0xc [] default_wake_function+0x0/0xc [] worker_thread+0x0/0x245 [] kthread+0x9c/0xa1 [] kthread+0x0/0xa1 [] kernel_thread_helper+0x5/0xb The config used is attached. mvh, A --=-=-= Content-Type: application/octet-stream Content-Disposition: attachment; filename=config.gz Content-Transfer-Encoding: base64 H4sIAAX/ckACA4w8W3PjKLPv369Q1T6cmarZje04jnOq5gEjZLMWggjky76oPLEm4zOOnc+X3cm/ P43kC5JA3oe5qLtpoGn6Bvi3//zmoeNh+7Y4rF4W6/WH95ptst3ikC29t8XPzHvZbr6vXv/XW243 /3PwsuXq8J/f/oN5FNBhOuv3vn6cPxhLrh8J9dsGbkgiElOcUolSnyFAAJPfPLxdZtDL4bhbHT68 dfZ3tva274fVdrO/dkJmAtoyEikUXjnikKAoxZwJGpIrWCoU+SjkETn3Mcyns/b22eH4fuUqp0gY zeZyQgW+AgSXdJay54QkBveB9FMRc0ykTBHGqsQAK2N4KPGpqnxqGhQaRCEHlkmQyhEN1Nf2wxk+ 4kqEyfBKSMfFf+qQfDgABlmepMUGxPeJ76323mZ70NM+txlD53LO5JVLkCgyu34Swc3hUS7xiPhp xLmoQ5Gsw3yC/JBGpI7BwbM5SoxTLhRl9C+SBjxOJfzHHHG+cuF2sVx8W4OGbJdH+Gd/fH/f7gz1 Y9xPQmKMowCkSRRy5Jv9nRDQFT6jLQLiA8lDoogmFyhmJcYTEkvKI6O3MUBNzeMiZQiP6FX3xG77 ku332513+HjPvMVm6X3PtLpn+9ImSkVpDTWEhCgyh1hCTvgcDUnsxEcJQ89OrEwYo8qJHtChZMLd N5VT6cSeNjqK8chJQ+Rjq9Wyotl9v2dHdF2IhwaEktiJY2xmx/VcDAWYIJowSm+gm/HMonhnXLek s2PHOMaPDnjfDsdxIjmx46Y0Ao0VuNeI7jRi731Hv/OYzpzimFCE79POLU2ySEtjMRMzPDIMogbO kO+XIWE7xbAlycnEPp5x8VQSlmoO0CRF4ZDHVI1YufFUpFMej2XKx2UEjSahqPQ9KDuUfFNzgfxa 4yHn0KOguMpTkTBNJIkxF/MyDqCpAEOfwkzwGLbvFT0SRKVgSElsqk4OJSwJERizWNmECFv8yiWK UywS+bV7weZGWzLDhYmYECZURb4cPJptNtwChN1YBjBMagDwNlGASq7+jBFdNSIxy1GXqSoOSztA VjWi/bFts1EMPpP75OtbqQcZlwEgEeoDKLfkwWr39s9il3n+bvV3tjPDE1PnIj6iwxEjrLQaBag7 tA7yhO050Ayp0WkpwfvYpqPi0tqTgFqoaPw8QOBSTImP0ISAy8Z6FQ0ljcnw5PwKH7b9J9tBkLZZ vGZv2eZwDtC8TwgL+sVDgn2+SkMYuil5oKYohs2XSDBwJYcsWOpTOa75fM0TOC//XmxeIALFefB5 hHAUusz9ZzEcujlku++Ll+yzJ6tRgWZhRF7wlQ44VxWQ3m8x6LTKd46JkSEhwgbLY600kBUcwtXe kAKu8yo0UYpHFWCAqpBTeMmro7KoftE7CNeqOEWrht2RE/hkkAwt+nIacnWupDpXwac1AQpclT9E vqq8J3L7yArLVVcCwQwdKFacXRTwszeAqNJY9+uMBKvxgl3sBbvsv8ds8/Lh7SHFWW1er8oC6DSI ybORWJwgxWqDmgSlwPWM9UmAklCBOZ+kkJ9AZMn07rKI0tpEG3opkLkdL3QVli4KLXkJW9iBN3uo D7/T1Qa6abQKDcJLIAtQLUTv/RLQLqt2UK9ovtiatpBoabVN3FW2TvefTy/i09QRBZVpHv8FTd8d asxyEwXhvDtmFoT4oMQixRCqxTTi/4KUNgTBVyrJqCPIEV1Ic8E2l/KMcuOQDqqChuR3GCfu5EHj R6CIta0yOO6vxh028RdPYIYp+uIRyNu/eAzDX/A/09znW/1q1TEF3cu3p633As1Y8dlA4tOYYGWR SoFGkWFcNUj3WIYUHMqwc8dlqA6uJkBrWlwND8kQ4fk5vzYQEWJmzgkCKblf+HaEw3a4xL865Wyo cLu56O/wYrfU67KvW7uCwiokjdAjH1wzUUy90fbwvj6+1j3mqd5QXU0DDI5qbLNtJomuxSDDkNZx aTSJEXN1QQfsRg8nz25tjfUMm5vDH+JqrnGpLn+kZAIbXCf89ozJbCRHAtcWjvzKXo6HvG7xfaX/ 2u7eFgfDUA5oFDAIz8PAKCwVMMQTdQ1CT0BGIW4+haF+9vfqxQxCryWu1csJ7PFqBS2YprriQXSA e5lI7vlTP6YTiwdm2dt29+Gp7OXHZrvevn6cegbDwJT/2VRD+K4r72K3WK+ztaf1rF63gfBS8NiY 6QmgyyAWGCR7Ydsc+hkFHo6i0G5Hrq0DGvBbNDLRNcZmMq5DsEaKdqffrctCb7k8cl0vPiyyiETJ gkaiHpOda0mH7ct2bawrmJqi+bVxxRIWACNwLQz9evvy01sWK2ooZjiGvidp4JvCPkNnvmvu1LFV dEssIO6xGakzElMpgaIUpGiQxBLCVyTcrPWgfISfeq1GkgSSK0f/Gh3q4uZbFYrjuVDcjosGVvlg yJlI2NCTNn1vFmBe/PzabT31LnXhgX9eKsiE7+CPoHcsYHdxGNY1iJqZ7JlvATwpYLbYZzAisBvb l6MOofN06m61zP44/DpoC+X9yNbvd6vN960HeZZe0Dy+25sb/cx65KdNK37qvZrd1SmwVYyAuLnq QBOEXIj5LSqtRPbKgE9AueQ4pRyrsJEkoCFJy6Yhl4qWwcuP1TsAzmty9+34+n31y9xTmsupkmVV Gub3uq1b04Bt3CzKUsZVfINz0qk35P3m1jq34UEw4Cj2G3u2VODqjISivU67kSb+q12p91rUhaFq +FHB5rV7W9X+2jpFieImixOKR+H8hj6i4lSq1jkiuNeZzRrnh0LafpjdN9Mw/7F7i4+idCYaSXJ9 aeYCyUkQkmYaPO93cO+pechYPjx0WjdJ7ptJRkLd3xixJun1GkkkbndazR0JEF4jQST7j932QzMT H3dasN4pD/1/RxiRaYNaycl0LG0bX1LK0LDZzEkK4m03L5IM8VOL3JCeilnnqVl6E4pAJWYODdVW TFf6JVHy5j62bEA6Gbg3bnXTXv1Mzebm9ryIW+p+UCON4qOOHypxT9781K44kfu0XO1/fvEOi/fs i4f932NuFjMvQi6VLvEoLqD2I7QzmksHwYVrbCu/nJkPz+5bbt8yc+IQgmd/vP4Bo/X+7/gz+7b9 9fkyp7fj+rB6h6QjTKJ9WTIpS0IFWW0SVWQUkzx2BYSsYOD/+jhdVeEhHw5pNCxJVe0Wm30+BnQ4 7Fbfjody8JA3lLpeqVQsHYkwkAS4TnHtZb395/filsC1/FST6/00BT2eQWhFfXdH+ggyQK41ykkQ dnnIAj1C7YfO7AZBt9NAgHDzIBHFj649aRI4zdWF6KmRiz9BkZw3LAuNOq4j20K5yBA1T0VCFOvG DhIJWuWINQplFM8BVg1D9Nnsvv3UbhiCr/B9p98wC9I4Ro0FL8MblDdRCcRcPmeIRm6yoa9GDdjT VZkIxw/3TaOtEKaMNY0NjHfT8lLUblpfIRoEQ8tn2mVkPjrcbfUaGMg5A5o+6HHDZhFItnsNaEk7 3RZ1EzznCpbCnr9JQ6W4zQffJGlXlK1MgiB6mJl+5QJvN+1VTdC5RXDftJY5QafTSNC7b98iaOJQ LGi3ab18fP/08KsZ32owzgqk68Ym7W563w0aCEIVI6l43KC5Utw3zNFepeHr5SmOOLso75Mm0E2+ 5KQQ9ZTqZ1hfsLIlq0UhTnv038shj/cpN7W6phROWLkYV4+ZguNen50yoeqR06VdkMjK6XKR4xJC vPb9U9f7FKx22RT+fLY113Q5WY1Bhzf0qrHVFlF2+Ge7+7navNYjvIioc9BhkNUuDAqEx6RUXdTf YB/NCxrAK6RRHjFcKZOIzq5fVDBQZV5mBu3SMZkbVMWoLm2KQAuDcpUCYVF4WUhh05gnylFJBLJK sn9B6Y6poE3IYUxcXFneqf0cOBa2tFrO9fVKPqb5YceVl+4K2f1XjiMO40mLMeqTAMcgJ3Zz4RMM Te2hdEx9RxIFTQIaVuR8PgUL4vJhNHzn56WWqFOJyiWET+Z91NLmAzHn9FYhK7uPnIQoSvutTtt+ XS8MccchrZmjHxSO7Ud/HXvqGyIxcOqUr08H7LIn8K9jWaYwpwYl14zBDSu3SmqK0TQNQj4FCBDW Dyuft1JbwLvtzvu+WO28/x6zY1Yc7ZfY5DeZXFbGgyzlYGkkxgqiK4vmABIMBsXkklOiGG+yg1FM N/ZVVW/PCp0wNi8VBXjkQ0JlF/NzgkL6l0OUynHOS/RZhUJuYyEH1ZpccXh1+JHt9Hw+tVseiBaI 2LfV4XPJBhfcS2aP0fLBHBJizojjbEYm0ZAw59AmJPJ5nN6DpXAobOWeha21ZPgWSQz5XV2v1HG9 egeVelutP7zNSU3cLkzzU0lIXbu+/egIxXSR1h4Sj4QrFM8tqER2vayfxQPQEcAg5vfb7bZeSDve R0IRrG/TxwF1eBUE2ZRjoEhAYsIdNrvbtcKL+q5rRFj2n345JDl0FBQIETF3yZK4EAGobWQ3rhFS kjDqWJvOOK2cQV+QfQiOsK2GrxGKl8pfJ5Az0zzjYeuTVE2pdJnZM2G/3XlyEujKQRrP0phIq63K aeKZfqVA/dnXjrGLqXxyyVZQ7Ewnk8h3bmDluvQ+oSiN9c16574QeZzWaNBgRGdjZigxiRxlBz/s jJ2q49igsn/fd9TMRyh/HGDFzUkIri5wFA3ifrtnX0FYg7ajsCvHT/2Q2nyYokMe3Z/Li2UBWSRE Z0N7fCA7Dg0NfJ86rroKYccIlwUVwpGKVxrkI9b5yTrb7z2tRpB2bX7/sXjbLZar7eeqzY6RbznT U9uf2caLdVZhceiqIZyxq1CMXRZBgot0h0e68srD+ouY6WLjrc5XX0tjm6J69obeFofsuPNiLQGb 8wKVtMuB7nzkfVptvu8Wu2xpT/ni8rH+6WLBMTtst4cfthYDuz8YD/0Bd+5rfSWnCQe2qRENWb5o sBlAcQowQ0v0T6UfwUy+7T/2h+ytNHuNqWkPKN/7j+3mw3Y3VYx4VF9Qunk/HpwnGjQSySXjTfbZ bq1z/pICmJQp45DE6IT2ww5PhUTJzImVOCYkSmdf261Ot5lm/vWx1zdzO030J58DiSP50wRKNuPJ 5BbeVnIpZEjvuO1QYIhYfr5hS3A5uKILgXHGoW8CVT5T2m91O6VqXQ6Gv6vcKxRY9Tv4sd1qIBEo Hg/8JgJMhew4Jl67ElYS2ZjM84N+49XaCQLB6XhQOti6YMBHuwZ0oQnHN0lm6iZJRKbK+qrBUDvz FV7+EkZ2zOSpADZcBSsIgKFroQoCXbMdsAYCgdvtlkB+A8lEzmYzhBpUGPaIVBSPm3YJT/Co2GcN VPpWYP2y+4/FbvEC5qF+uWtiaPhEpScPY9zWnBqwkv6hUL/JKR7WxpYz2Wy3Wqzr98FPTfudh9a1 WGYAK+80TEwUpwmKlX6PVB1JjiczBSmcLa0Hl68pAJIPyn798MQK85iUS39P/VSouXHceb4D7AAC iyRSXzsPvesjqfxdiamfoUgt7twIcFw2T1EwDFbMM8WtTu1yXGETBKOGDdAVzBEsXEjiSl1TIIh7 i8uuZvXygpH6kvuwgipqH8XbmUA/LajUSmkFMEUKj3x+OcueLg4vP5bbV09fazZ05UL3UYWA6k3R nF/d4IWFy+7pV0dmx0ao/5xALptOfeVIeicIJoZHboqQsvbD/UMjAdj6tpuA+Y+zWQoBnuNg4aHT cjYmScwbx0cHjy138ykKSFzFXl7KFaMy5VXcuXGyK+6tO9G9FnB0IbFI3EKc9u97ncdR0ETQf3x0 43We9VcVewro0O/fFvtsWddEo25yVh47czrDnE3tXsDWJzjvf9EnvdEtcK6kEkVQKAc3mQPNDeZg +2MwEtx2T7a4sn/Z1rEyrmgPIRK0AdLSuaavHBXp+P6p13XUjyAhdNX/JI/moi6KoLjEA+ms9329 fX//yG/1nGPrwj2VMv+hPTHwY0cQMEUTuwmP0dRyj/6SY0XD/Nnu6ZXu2/lgDNtPxOpOna32L7Z0 FKKVFElmPzJ8y5arha3VhPqEpxWfU7wtWL2uDuA0J6tltvUGu+1i+bLIy+Pny/8mH798pat4h7Bb vP9YvVhfqwQDR2FHD0eSsPLe5/TzIJv9dg2Lt9q/68vzxSLWHfpkiGzBC/ORzfWaVXij2emy1XGz LN1b0kmCbdvVRwFA03zCp+OMWC9otoZcLtse9zmv2hFm0Vg7W/O5qYYOYKNOqa9GZbA/jxADt81o xOPL4YTmPdruD1qSh912vQbp1Rymbk5GGAKF/EZ2FSphK+qyMy93mONizlU6SgapKh12ajw/cbRI XqOTa4eXkZ48Ol4v9ntbLpdPP0yIgl5H0KX9+remQpg5cacQzYnXlwIqNzOvsjy+LTbXx8fXRzEj 6n8uS3REK8IEwDmfNwpifhoEDhEBssjlr91T3xtsgfL8FqQedeuG40Gl6yKNqugmokKRsVMMU+Sy v0UXCg3cItZvLhlyHO7lI8qTHCd65kqz8oErfWmRcWVfI/q2eHUU8PKefdx3VG9ztP5xgCa5jAT8 bb2qoTtvtr35RkUDTVhtnBvdbrjaHH9drnlomixbgnPXLzSs7A0rdBnD+WxzsVy8H7b1LYSRwu6F RVPXEUy+spD7uB6ca3yswn77wS1e+BNZqvR62PmUHbs+kfKx07I2O6WfYOCg4aHkHcrbulYguC5a yR47hkAY7XWc8wJsp+fEKjoM3eqckFhOUehW+JjyhwaVhXyUK73j3BTYb2jtxuF5/qsD7nkRaV/L 4WL5mh1sZVDdbIj8oUUJAv1asii1ln79S3X0Fe63CiCd6XvCxm9XncDFD3chHNZRkuAkpmpewtyX ftDhBLAwv3czv7cz/7NcXYNP568tQHs2yH+oxmwREwpaC7jAvuH+rKGu7MyRGvdcnLwgbgB6BzLm zNXVc8JV6cb/s36yOmnbSHNM57qSedviV9OuUXmiuHuUBbZbQRf6lV+6u/Mnfq5INT2CAOap12uV VOlPHlLzFsNfQGRqQ/FdapL4QfFdhMxc3gVI3UWq0uk17EXKNZlI1SZaJIz77Ljc5o+Ha7Oo/QJJ Dhj/fyPX0uMmDIT/ymrvlUp4BA49GEIEinmUx3a7l4iu0jRqu1nR7CH/vh4HCMYezCnKfB/2+AGM zfjjW1ljLbqtkLPFwghs/BiUV6Viyt8BeWZXSS5WENXshqY+0tAO3eeTsGpYPiX3Ixris/inulPJ ZmaKbHEsmoVyWqOwH+KX+jg0c1XAm61eE83cp1GOY1/TZwtHQeIQw2r1TOwjCf5kLuVxSPHaGKR+ r4TPsA+P+Zj4aH/FWE1Bjl6TsRUggvFFQBK+vGT4TFLfnk17OfFMwOr6LsZ3OSmqGGSahlxPlV5T uYET2T11SGhtLizueKDN2/GjOR5kkYaUjh5D7E8vJ/Pl8fTv7Lq298mwH8c4SFzBLbe3zPU4+Bew tamWThFJa1tPcpGwb0JaLSEtqm6t2q0SKM5ntN2uYyyow1nirWMuIVl6b+0Zb50ldXh6kmcuKMlb MpSeuaBzPGuBT+7aQknsDQxze+/qizFWS9xmLAMZir4uYzoOPbDSumlqGfqm2lqGo2WstQxPyzD0 jTEsXVdKc3qXxe6+QEvmcI2UWldbd1A1aM8sOhCPCdwfxEW2jekkpZYTdpDs9OfhV/P6W9ABu6mh 7CCtdRzck4J+v+0Y7cahEXBLFrvusicWoNPsmxhtDTBb7mCHfDsWJaqTsQmB80PsjS2e3u+uyeMU VKFmioWZTigjqd+yUACWS3crIE4RzRQuRxWq0+pF9wYdPSHTR50wxmIhUN+RNuY63Nrx3ixFEaxt nIJEJf+8Kqg6cTXHnL1hy/u+7uH1pjEt7bTK0W1vgRQh0P9UIAHJic8mWAWHI/5KMGyLcgFnGSpD 1vPjHJwpwrUKme8kmeGw4DykY1FmiZHQIaQO2uv75Xy87c3LHXCTOhmJyPH/+ygZ6xp2xrSm9N6o zphsLIXNlmxlRAyVcWU7KrNtrCTzZtzdnc3nmZNlJAFs8JR2yNmBr95TO1EUDsd4bKVV9pkUgaXw eAsirHIHxUFEQgq/suNhWfWPOXr60Tbt9aE9f1xObwdh3AJzNVqr0tiH21asjVslH7iEXDJRq40m 0q5cOKgIRelMLuPK5maeiTLfXL/6P/H96UpLXgAA --=-=-= -- Alexander Hoogerhuis | alexh@boxed.no CCNP - CCDP - MCNE - CCSE | +47 908 21 485 "You have zero privacy anyway. Get over it." --Scott McNealy --=-=-=-- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/